xref: /dragonfly/sys/dev/drm/amd/amdgpu/dce_v11_0.c (revision 655933d6)
1 /*
2  * Copyright 2014 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 #include <drm/drmP.h>
24 #include "amdgpu.h"
25 #include "amdgpu_pm.h"
26 #include "amdgpu_i2c.h"
27 #include "vid.h"
28 #include "atom.h"
29 #include "amdgpu_atombios.h"
30 #include "atombios_crtc.h"
31 #include "atombios_encoders.h"
32 #include "amdgpu_pll.h"
33 #include "amdgpu_connectors.h"
34 #include "dce_v11_0.h"
35 
36 #include "dce/dce_11_0_d.h"
37 #include "dce/dce_11_0_sh_mask.h"
38 #include "dce/dce_11_0_enum.h"
39 #include "oss/oss_3_0_d.h"
40 #include "oss/oss_3_0_sh_mask.h"
41 #include "gmc/gmc_8_1_d.h"
42 #include "gmc/gmc_8_1_sh_mask.h"
43 
44 #include "ivsrcid/ivsrcid_vislands30.h"
45 
46 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
47 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
48 
49 static const u32 crtc_offsets[] =
50 {
51 	CRTC0_REGISTER_OFFSET,
52 	CRTC1_REGISTER_OFFSET,
53 	CRTC2_REGISTER_OFFSET,
54 	CRTC3_REGISTER_OFFSET,
55 	CRTC4_REGISTER_OFFSET,
56 	CRTC5_REGISTER_OFFSET,
57 	CRTC6_REGISTER_OFFSET
58 };
59 
60 static const u32 hpd_offsets[] =
61 {
62 	HPD0_REGISTER_OFFSET,
63 	HPD1_REGISTER_OFFSET,
64 	HPD2_REGISTER_OFFSET,
65 	HPD3_REGISTER_OFFSET,
66 	HPD4_REGISTER_OFFSET,
67 	HPD5_REGISTER_OFFSET
68 };
69 
70 static const uint32_t dig_offsets[] = {
71 	DIG0_REGISTER_OFFSET,
72 	DIG1_REGISTER_OFFSET,
73 	DIG2_REGISTER_OFFSET,
74 	DIG3_REGISTER_OFFSET,
75 	DIG4_REGISTER_OFFSET,
76 	DIG5_REGISTER_OFFSET,
77 	DIG6_REGISTER_OFFSET,
78 	DIG7_REGISTER_OFFSET,
79 	DIG8_REGISTER_OFFSET
80 };
81 
82 static const struct {
83 	uint32_t        reg;
84 	uint32_t        vblank;
85 	uint32_t        vline;
86 	uint32_t        hpd;
87 
88 } interrupt_status_offsets[] = { {
89 	.reg = mmDISP_INTERRUPT_STATUS,
90 	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
91 	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
92 	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
93 }, {
94 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
95 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
96 	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
97 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
98 }, {
99 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
100 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
101 	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
102 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
103 }, {
104 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
105 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
106 	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
107 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
108 }, {
109 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
110 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
111 	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
112 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
113 }, {
114 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
115 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
116 	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
117 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
118 } };
119 
120 static const u32 cz_golden_settings_a11[] =
121 {
122 	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
123 	mmFBC_MISC, 0x1f311fff, 0x14300000,
124 };
125 
126 static const u32 cz_mgcg_cgcg_init[] =
127 {
128 	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
129 	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
130 };
131 
132 static const u32 stoney_golden_settings_a11[] =
133 {
134 	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
135 	mmFBC_MISC, 0x1f311fff, 0x14302000,
136 };
137 
138 static const u32 polaris11_golden_settings_a11[] =
139 {
140 	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
141 	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
142 	mmFBC_DEBUG1, 0xffffffff, 0x00000008,
143 	mmFBC_MISC, 0x9f313fff, 0x14302008,
144 	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
145 };
146 
147 static const u32 polaris10_golden_settings_a11[] =
148 {
149 	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
150 	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
151 	mmFBC_MISC, 0x9f313fff, 0x14302008,
152 	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
153 };
154 
155 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
156 {
157 	switch (adev->asic_type) {
158 	case CHIP_CARRIZO:
159 		amdgpu_device_program_register_sequence(adev,
160 							cz_mgcg_cgcg_init,
161 							ARRAY_SIZE(cz_mgcg_cgcg_init));
162 		amdgpu_device_program_register_sequence(adev,
163 							cz_golden_settings_a11,
164 							ARRAY_SIZE(cz_golden_settings_a11));
165 		break;
166 	case CHIP_STONEY:
167 		amdgpu_device_program_register_sequence(adev,
168 							stoney_golden_settings_a11,
169 							ARRAY_SIZE(stoney_golden_settings_a11));
170 		break;
171 	case CHIP_POLARIS11:
172 	case CHIP_POLARIS12:
173 		amdgpu_device_program_register_sequence(adev,
174 							polaris11_golden_settings_a11,
175 							ARRAY_SIZE(polaris11_golden_settings_a11));
176 		break;
177 	case CHIP_POLARIS10:
178 	case CHIP_VEGAM:
179 		amdgpu_device_program_register_sequence(adev,
180 							polaris10_golden_settings_a11,
181 							ARRAY_SIZE(polaris10_golden_settings_a11));
182 		break;
183 	default:
184 		break;
185 	}
186 }
187 
188 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
189 				     u32 block_offset, u32 reg)
190 {
191 	unsigned long flags;
192 	u32 r;
193 
194 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
195 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
196 	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
197 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
198 
199 	return r;
200 }
201 
202 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
203 				      u32 block_offset, u32 reg, u32 v)
204 {
205 	unsigned long flags;
206 
207 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
208 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
209 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
210 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
211 }
212 
213 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
214 {
215 	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
216 		return 0;
217 	else
218 		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
219 }
220 
221 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
222 {
223 	unsigned i;
224 
225 	/* Enable pflip interrupts */
226 	for (i = 0; i < adev->mode_info.num_crtc; i++)
227 		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
228 }
229 
230 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
231 {
232 	unsigned i;
233 
234 	/* Disable pflip interrupts */
235 	for (i = 0; i < adev->mode_info.num_crtc; i++)
236 		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
237 }
238 
239 /**
240  * dce_v11_0_page_flip - pageflip callback.
241  *
242  * @adev: amdgpu_device pointer
243  * @crtc_id: crtc to cleanup pageflip on
244  * @crtc_base: new address of the crtc (GPU MC address)
245  *
246  * Triggers the actual pageflip by updating the primary
247  * surface base address.
248  */
249 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
250 				int crtc_id, u64 crtc_base, bool async)
251 {
252 	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
253 	u32 tmp;
254 
255 	/* flip immediate for async, default is vsync */
256 	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
257 	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
258 			    GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
259 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
260 	/* update the scanout addresses */
261 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
262 	       upper_32_bits(crtc_base));
263 	/* writing to the low address triggers the update */
264 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
265 	       lower_32_bits(crtc_base));
266 	/* post the write */
267 	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
268 }
269 
270 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
271 					u32 *vbl, u32 *position)
272 {
273 	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
274 		return -EINVAL;
275 
276 	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
277 	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
278 
279 	return 0;
280 }
281 
282 /**
283  * dce_v11_0_hpd_sense - hpd sense callback.
284  *
285  * @adev: amdgpu_device pointer
286  * @hpd: hpd (hotplug detect) pin
287  *
288  * Checks if a digital monitor is connected (evergreen+).
289  * Returns true if connected, false if not connected.
290  */
291 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
292 			       enum amdgpu_hpd_id hpd)
293 {
294 	bool connected = false;
295 
296 	if (hpd >= adev->mode_info.num_hpd)
297 		return connected;
298 
299 	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
300 	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
301 		connected = true;
302 
303 	return connected;
304 }
305 
306 /**
307  * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
308  *
309  * @adev: amdgpu_device pointer
310  * @hpd: hpd (hotplug detect) pin
311  *
312  * Set the polarity of the hpd pin (evergreen+).
313  */
314 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
315 				      enum amdgpu_hpd_id hpd)
316 {
317 	u32 tmp;
318 	bool connected = dce_v11_0_hpd_sense(adev, hpd);
319 
320 	if (hpd >= adev->mode_info.num_hpd)
321 		return;
322 
323 	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
324 	if (connected)
325 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
326 	else
327 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
328 	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
329 }
330 
331 /**
332  * dce_v11_0_hpd_init - hpd setup callback.
333  *
334  * @adev: amdgpu_device pointer
335  *
336  * Setup the hpd pins used by the card (evergreen+).
337  * Enable the pin, set the polarity, and enable the hpd interrupts.
338  */
339 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
340 {
341 	struct drm_device *dev = adev->ddev;
342 	struct drm_connector *connector;
343 	u32 tmp;
344 
345 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
346 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
347 
348 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
349 			continue;
350 
351 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
352 		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
353 			/* don't try to enable hpd on eDP or LVDS avoid breaking the
354 			 * aux dp channel on imac and help (but not completely fix)
355 			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
356 			 * also avoid interrupt storms during dpms.
357 			 */
358 			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
359 			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
360 			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
361 			continue;
362 		}
363 
364 		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
365 		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
366 		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
367 
368 		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
369 		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
370 				    DC_HPD_CONNECT_INT_DELAY,
371 				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
372 		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
373 				    DC_HPD_DISCONNECT_INT_DELAY,
374 				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
375 		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
376 
377 		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
378 		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
379 	}
380 }
381 
382 /**
383  * dce_v11_0_hpd_fini - hpd tear down callback.
384  *
385  * @adev: amdgpu_device pointer
386  *
387  * Tear down the hpd pins used by the card (evergreen+).
388  * Disable the hpd interrupts.
389  */
390 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
391 {
392 	struct drm_device *dev = adev->ddev;
393 	struct drm_connector *connector;
394 	u32 tmp;
395 
396 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
397 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
398 
399 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
400 			continue;
401 
402 		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
403 		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
404 		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
405 
406 		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
407 	}
408 }
409 
410 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
411 {
412 	return mmDC_GPIO_HPD_A;
413 }
414 
415 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
416 {
417 	u32 crtc_hung = 0;
418 	u32 crtc_status[6];
419 	u32 i, j, tmp;
420 
421 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
422 		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
423 		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
424 			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
425 			crtc_hung |= (1 << i);
426 		}
427 	}
428 
429 	for (j = 0; j < 10; j++) {
430 		for (i = 0; i < adev->mode_info.num_crtc; i++) {
431 			if (crtc_hung & (1 << i)) {
432 				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
433 				if (tmp != crtc_status[i])
434 					crtc_hung &= ~(1 << i);
435 			}
436 		}
437 		if (crtc_hung == 0)
438 			return false;
439 		udelay(100);
440 	}
441 
442 	return true;
443 }
444 
445 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
446 					   bool render)
447 {
448 	u32 tmp;
449 
450 	/* Lockout access through VGA aperture*/
451 	tmp = RREG32(mmVGA_HDP_CONTROL);
452 	if (render)
453 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
454 	else
455 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
456 	WREG32(mmVGA_HDP_CONTROL, tmp);
457 
458 	/* disable VGA render */
459 	tmp = RREG32(mmVGA_RENDER_CONTROL);
460 	if (render)
461 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
462 	else
463 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
464 	WREG32(mmVGA_RENDER_CONTROL, tmp);
465 }
466 
467 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
468 {
469 	int num_crtc = 0;
470 
471 	switch (adev->asic_type) {
472 	case CHIP_CARRIZO:
473 		num_crtc = 3;
474 		break;
475 	case CHIP_STONEY:
476 		num_crtc = 2;
477 		break;
478 	case CHIP_POLARIS10:
479 	case CHIP_VEGAM:
480 		num_crtc = 6;
481 		break;
482 	case CHIP_POLARIS11:
483 	case CHIP_POLARIS12:
484 		num_crtc = 5;
485 		break;
486 	default:
487 		num_crtc = 0;
488 	}
489 	return num_crtc;
490 }
491 
492 void dce_v11_0_disable_dce(struct amdgpu_device *adev)
493 {
494 	/*Disable VGA render and enabled crtc, if has DCE engine*/
495 	if (amdgpu_atombios_has_dce_engine_info(adev)) {
496 		u32 tmp;
497 		int crtc_enabled, i;
498 
499 		dce_v11_0_set_vga_render_state(adev, false);
500 
501 		/*Disable crtc*/
502 		for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
503 			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
504 									 CRTC_CONTROL, CRTC_MASTER_EN);
505 			if (crtc_enabled) {
506 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
507 				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
508 				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
509 				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
510 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
511 			}
512 		}
513 	}
514 }
515 
516 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
517 {
518 	struct drm_device *dev = encoder->dev;
519 	struct amdgpu_device *adev = dev->dev_private;
520 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
521 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
522 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
523 	int bpc = 0;
524 	u32 tmp = 0;
525 	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
526 
527 	if (connector) {
528 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
529 		bpc = amdgpu_connector_get_monitor_bpc(connector);
530 		dither = amdgpu_connector->dither;
531 	}
532 
533 	/* LVDS/eDP FMT is set up by atom */
534 	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
535 		return;
536 
537 	/* not needed for analog */
538 	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
539 	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
540 		return;
541 
542 	if (bpc == 0)
543 		return;
544 
545 	switch (bpc) {
546 	case 6:
547 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
548 			/* XXX sort out optimal dither settings */
549 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
550 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
551 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
552 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
553 		} else {
554 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
555 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
556 		}
557 		break;
558 	case 8:
559 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
560 			/* XXX sort out optimal dither settings */
561 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
562 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
563 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
564 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
565 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
566 		} else {
567 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
568 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
569 		}
570 		break;
571 	case 10:
572 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
573 			/* XXX sort out optimal dither settings */
574 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
575 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
576 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
577 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
578 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
579 		} else {
580 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
581 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
582 		}
583 		break;
584 	default:
585 		/* not needed */
586 		break;
587 	}
588 
589 	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
590 }
591 
592 
593 /* display watermark setup */
594 /**
595  * dce_v11_0_line_buffer_adjust - Set up the line buffer
596  *
597  * @adev: amdgpu_device pointer
598  * @amdgpu_crtc: the selected display controller
599  * @mode: the current display mode on the selected display
600  * controller
601  *
602  * Setup up the line buffer allocation for
603  * the selected display controller (CIK).
604  * Returns the line buffer size in pixels.
605  */
606 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
607 				       struct amdgpu_crtc *amdgpu_crtc,
608 				       struct drm_display_mode *mode)
609 {
610 	u32 tmp, buffer_alloc, i, mem_cfg;
611 	u32 pipe_offset = amdgpu_crtc->crtc_id;
612 	/*
613 	 * Line Buffer Setup
614 	 * There are 6 line buffers, one for each display controllers.
615 	 * There are 3 partitions per LB. Select the number of partitions
616 	 * to enable based on the display width.  For display widths larger
617 	 * than 4096, you need use to use 2 display controllers and combine
618 	 * them using the stereo blender.
619 	 */
620 	if (amdgpu_crtc->base.enabled && mode) {
621 		if (mode->crtc_hdisplay < 1920) {
622 			mem_cfg = 1;
623 			buffer_alloc = 2;
624 		} else if (mode->crtc_hdisplay < 2560) {
625 			mem_cfg = 2;
626 			buffer_alloc = 2;
627 		} else if (mode->crtc_hdisplay < 4096) {
628 			mem_cfg = 0;
629 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
630 		} else {
631 			DRM_DEBUG_KMS("Mode too big for LB!\n");
632 			mem_cfg = 0;
633 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
634 		}
635 	} else {
636 		mem_cfg = 1;
637 		buffer_alloc = 0;
638 	}
639 
640 	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
641 	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
642 	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
643 
644 	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
645 	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
646 	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
647 
648 	for (i = 0; i < adev->usec_timeout; i++) {
649 		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
650 		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
651 			break;
652 		udelay(1);
653 	}
654 
655 	if (amdgpu_crtc->base.enabled && mode) {
656 		switch (mem_cfg) {
657 		case 0:
658 		default:
659 			return 4096 * 2;
660 		case 1:
661 			return 1920 * 2;
662 		case 2:
663 			return 2560 * 2;
664 		}
665 	}
666 
667 	/* controller not enabled, so no lb used */
668 	return 0;
669 }
670 
671 /**
672  * cik_get_number_of_dram_channels - get the number of dram channels
673  *
674  * @adev: amdgpu_device pointer
675  *
676  * Look up the number of video ram channels (CIK).
677  * Used for display watermark bandwidth calculations
678  * Returns the number of dram channels
679  */
680 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
681 {
682 	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
683 
684 	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
685 	case 0:
686 	default:
687 		return 1;
688 	case 1:
689 		return 2;
690 	case 2:
691 		return 4;
692 	case 3:
693 		return 8;
694 	case 4:
695 		return 3;
696 	case 5:
697 		return 6;
698 	case 6:
699 		return 10;
700 	case 7:
701 		return 12;
702 	case 8:
703 		return 16;
704 	}
705 }
706 
707 struct dce10_wm_params {
708 	u32 dram_channels; /* number of dram channels */
709 	u32 yclk;          /* bandwidth per dram data pin in kHz */
710 	u32 sclk;          /* engine clock in kHz */
711 	u32 disp_clk;      /* display clock in kHz */
712 	u32 src_width;     /* viewport width */
713 	u32 active_time;   /* active display time in ns */
714 	u32 blank_time;    /* blank time in ns */
715 	bool interlaced;    /* mode is interlaced */
716 	fixed20_12 vsc;    /* vertical scale ratio */
717 	u32 num_heads;     /* number of active crtcs */
718 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
719 	u32 lb_size;       /* line buffer allocated to pipe */
720 	u32 vtaps;         /* vertical scaler taps */
721 };
722 
723 /**
724  * dce_v11_0_dram_bandwidth - get the dram bandwidth
725  *
726  * @wm: watermark calculation data
727  *
728  * Calculate the raw dram bandwidth (CIK).
729  * Used for display watermark bandwidth calculations
730  * Returns the dram bandwidth in MBytes/s
731  */
732 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
733 {
734 	/* Calculate raw DRAM Bandwidth */
735 	fixed20_12 dram_efficiency; /* 0.7 */
736 	fixed20_12 yclk, dram_channels, bandwidth;
737 	fixed20_12 a;
738 
739 	a.full = dfixed_const(1000);
740 	yclk.full = dfixed_const(wm->yclk);
741 	yclk.full = dfixed_div(yclk, a);
742 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
743 	a.full = dfixed_const(10);
744 	dram_efficiency.full = dfixed_const(7);
745 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
746 	bandwidth.full = dfixed_mul(dram_channels, yclk);
747 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
748 
749 	return dfixed_trunc(bandwidth);
750 }
751 
752 /**
753  * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
754  *
755  * @wm: watermark calculation data
756  *
757  * Calculate the dram bandwidth used for display (CIK).
758  * Used for display watermark bandwidth calculations
759  * Returns the dram bandwidth for display in MBytes/s
760  */
761 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
762 {
763 	/* Calculate DRAM Bandwidth and the part allocated to display. */
764 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
765 	fixed20_12 yclk, dram_channels, bandwidth;
766 	fixed20_12 a;
767 
768 	a.full = dfixed_const(1000);
769 	yclk.full = dfixed_const(wm->yclk);
770 	yclk.full = dfixed_div(yclk, a);
771 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
772 	a.full = dfixed_const(10);
773 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
774 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
775 	bandwidth.full = dfixed_mul(dram_channels, yclk);
776 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
777 
778 	return dfixed_trunc(bandwidth);
779 }
780 
781 /**
782  * dce_v11_0_data_return_bandwidth - get the data return bandwidth
783  *
784  * @wm: watermark calculation data
785  *
786  * Calculate the data return bandwidth used for display (CIK).
787  * Used for display watermark bandwidth calculations
788  * Returns the data return bandwidth in MBytes/s
789  */
790 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
791 {
792 	/* Calculate the display Data return Bandwidth */
793 	fixed20_12 return_efficiency; /* 0.8 */
794 	fixed20_12 sclk, bandwidth;
795 	fixed20_12 a;
796 
797 	a.full = dfixed_const(1000);
798 	sclk.full = dfixed_const(wm->sclk);
799 	sclk.full = dfixed_div(sclk, a);
800 	a.full = dfixed_const(10);
801 	return_efficiency.full = dfixed_const(8);
802 	return_efficiency.full = dfixed_div(return_efficiency, a);
803 	a.full = dfixed_const(32);
804 	bandwidth.full = dfixed_mul(a, sclk);
805 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
806 
807 	return dfixed_trunc(bandwidth);
808 }
809 
810 /**
811  * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
812  *
813  * @wm: watermark calculation data
814  *
815  * Calculate the dmif bandwidth used for display (CIK).
816  * Used for display watermark bandwidth calculations
817  * Returns the dmif bandwidth in MBytes/s
818  */
819 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
820 {
821 	/* Calculate the DMIF Request Bandwidth */
822 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
823 	fixed20_12 disp_clk, bandwidth;
824 	fixed20_12 a, b;
825 
826 	a.full = dfixed_const(1000);
827 	disp_clk.full = dfixed_const(wm->disp_clk);
828 	disp_clk.full = dfixed_div(disp_clk, a);
829 	a.full = dfixed_const(32);
830 	b.full = dfixed_mul(a, disp_clk);
831 
832 	a.full = dfixed_const(10);
833 	disp_clk_request_efficiency.full = dfixed_const(8);
834 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
835 
836 	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
837 
838 	return dfixed_trunc(bandwidth);
839 }
840 
841 /**
842  * dce_v11_0_available_bandwidth - get the min available bandwidth
843  *
844  * @wm: watermark calculation data
845  *
846  * Calculate the min available bandwidth used for display (CIK).
847  * Used for display watermark bandwidth calculations
848  * Returns the min available bandwidth in MBytes/s
849  */
850 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
851 {
852 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
853 	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
854 	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
855 	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
856 
857 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
858 }
859 
860 /**
861  * dce_v11_0_average_bandwidth - get the average available bandwidth
862  *
863  * @wm: watermark calculation data
864  *
865  * Calculate the average available bandwidth used for display (CIK).
866  * Used for display watermark bandwidth calculations
867  * Returns the average available bandwidth in MBytes/s
868  */
869 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
870 {
871 	/* Calculate the display mode Average Bandwidth
872 	 * DisplayMode should contain the source and destination dimensions,
873 	 * timing, etc.
874 	 */
875 	fixed20_12 bpp;
876 	fixed20_12 line_time;
877 	fixed20_12 src_width;
878 	fixed20_12 bandwidth;
879 	fixed20_12 a;
880 
881 	a.full = dfixed_const(1000);
882 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
883 	line_time.full = dfixed_div(line_time, a);
884 	bpp.full = dfixed_const(wm->bytes_per_pixel);
885 	src_width.full = dfixed_const(wm->src_width);
886 	bandwidth.full = dfixed_mul(src_width, bpp);
887 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
888 	bandwidth.full = dfixed_div(bandwidth, line_time);
889 
890 	return dfixed_trunc(bandwidth);
891 }
892 
893 /**
894  * dce_v11_0_latency_watermark - get the latency watermark
895  *
896  * @wm: watermark calculation data
897  *
898  * Calculate the latency watermark (CIK).
899  * Used for display watermark bandwidth calculations
900  * Returns the latency watermark in ns
901  */
902 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
903 {
904 	/* First calculate the latency in ns */
905 	u32 mc_latency = 2000; /* 2000 ns. */
906 	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
907 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
908 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
909 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
910 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
911 		(wm->num_heads * cursor_line_pair_return_time);
912 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
913 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
914 	u32 tmp, dmif_size = 12288;
915 	fixed20_12 a, b, c;
916 
917 	if (wm->num_heads == 0)
918 		return 0;
919 
920 	a.full = dfixed_const(2);
921 	b.full = dfixed_const(1);
922 	if ((wm->vsc.full > a.full) ||
923 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
924 	    (wm->vtaps >= 5) ||
925 	    ((wm->vsc.full >= a.full) && wm->interlaced))
926 		max_src_lines_per_dst_line = 4;
927 	else
928 		max_src_lines_per_dst_line = 2;
929 
930 	a.full = dfixed_const(available_bandwidth);
931 	b.full = dfixed_const(wm->num_heads);
932 	a.full = dfixed_div(a, b);
933 	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
934 	tmp = min(dfixed_trunc(a), tmp);
935 
936 	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
937 
938 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
939 	b.full = dfixed_const(1000);
940 	c.full = dfixed_const(lb_fill_bw);
941 	b.full = dfixed_div(c, b);
942 	a.full = dfixed_div(a, b);
943 	line_fill_time = dfixed_trunc(a);
944 
945 	if (line_fill_time < wm->active_time)
946 		return latency;
947 	else
948 		return latency + (line_fill_time - wm->active_time);
949 
950 }
951 
952 /**
953  * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
954  * average and available dram bandwidth
955  *
956  * @wm: watermark calculation data
957  *
958  * Check if the display average bandwidth fits in the display
959  * dram bandwidth (CIK).
960  * Used for display watermark bandwidth calculations
961  * Returns true if the display fits, false if not.
962  */
963 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
964 {
965 	if (dce_v11_0_average_bandwidth(wm) <=
966 	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
967 		return true;
968 	else
969 		return false;
970 }
971 
972 /**
973  * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
974  * average and available bandwidth
975  *
976  * @wm: watermark calculation data
977  *
978  * Check if the display average bandwidth fits in the display
979  * available bandwidth (CIK).
980  * Used for display watermark bandwidth calculations
981  * Returns true if the display fits, false if not.
982  */
983 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
984 {
985 	if (dce_v11_0_average_bandwidth(wm) <=
986 	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
987 		return true;
988 	else
989 		return false;
990 }
991 
992 /**
993  * dce_v11_0_check_latency_hiding - check latency hiding
994  *
995  * @wm: watermark calculation data
996  *
997  * Check latency hiding (CIK).
998  * Used for display watermark bandwidth calculations
999  * Returns true if the display fits, false if not.
1000  */
1001 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1002 {
1003 	u32 lb_partitions = wm->lb_size / wm->src_width;
1004 	u32 line_time = wm->active_time + wm->blank_time;
1005 	u32 latency_tolerant_lines;
1006 	u32 latency_hiding;
1007 	fixed20_12 a;
1008 
1009 	a.full = dfixed_const(1);
1010 	if (wm->vsc.full > a.full)
1011 		latency_tolerant_lines = 1;
1012 	else {
1013 		if (lb_partitions <= (wm->vtaps + 1))
1014 			latency_tolerant_lines = 1;
1015 		else
1016 			latency_tolerant_lines = 2;
1017 	}
1018 
1019 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1020 
1021 	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1022 		return true;
1023 	else
1024 		return false;
1025 }
1026 
1027 /**
1028  * dce_v11_0_program_watermarks - program display watermarks
1029  *
1030  * @adev: amdgpu_device pointer
1031  * @amdgpu_crtc: the selected display controller
1032  * @lb_size: line buffer size
1033  * @num_heads: number of display controllers in use
1034  *
1035  * Calculate and program the display watermarks for the
1036  * selected display controller (CIK).
1037  */
1038 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1039 					struct amdgpu_crtc *amdgpu_crtc,
1040 					u32 lb_size, u32 num_heads)
1041 {
1042 	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1043 	struct dce10_wm_params wm_low, wm_high;
1044 	u32 active_time;
1045 	u32 line_time = 0;
1046 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1047 	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1048 
1049 	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1050 		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1051 					    (u32)mode->clock);
1052 		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1053 					  (u32)mode->clock);
1054 		line_time = min(line_time, (u32)65535);
1055 
1056 		/* watermark for high clocks */
1057 		if (adev->pm.dpm_enabled) {
1058 			wm_high.yclk =
1059 				amdgpu_dpm_get_mclk(adev, false) * 10;
1060 			wm_high.sclk =
1061 				amdgpu_dpm_get_sclk(adev, false) * 10;
1062 		} else {
1063 			wm_high.yclk = adev->pm.current_mclk * 10;
1064 			wm_high.sclk = adev->pm.current_sclk * 10;
1065 		}
1066 
1067 		wm_high.disp_clk = mode->clock;
1068 		wm_high.src_width = mode->crtc_hdisplay;
1069 		wm_high.active_time = active_time;
1070 		wm_high.blank_time = line_time - wm_high.active_time;
1071 		wm_high.interlaced = false;
1072 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1073 			wm_high.interlaced = true;
1074 		wm_high.vsc = amdgpu_crtc->vsc;
1075 		wm_high.vtaps = 1;
1076 		if (amdgpu_crtc->rmx_type != RMX_OFF)
1077 			wm_high.vtaps = 2;
1078 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1079 		wm_high.lb_size = lb_size;
1080 		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1081 		wm_high.num_heads = num_heads;
1082 
1083 		/* set for high clocks */
1084 		latency_watermark_a = min(dce_v11_0_latency_watermark(&wm_high), (u32)65535);
1085 
1086 		/* possibly force display priority to high */
1087 		/* should really do this at mode validation time... */
1088 		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1089 		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1090 		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1091 		    (adev->mode_info.disp_priority == 2)) {
1092 			DRM_DEBUG_KMS("force priority to high\n");
1093 		}
1094 
1095 		/* watermark for low clocks */
1096 		if (adev->pm.dpm_enabled) {
1097 			wm_low.yclk =
1098 				amdgpu_dpm_get_mclk(adev, true) * 10;
1099 			wm_low.sclk =
1100 				amdgpu_dpm_get_sclk(adev, true) * 10;
1101 		} else {
1102 			wm_low.yclk = adev->pm.current_mclk * 10;
1103 			wm_low.sclk = adev->pm.current_sclk * 10;
1104 		}
1105 
1106 		wm_low.disp_clk = mode->clock;
1107 		wm_low.src_width = mode->crtc_hdisplay;
1108 		wm_low.active_time = active_time;
1109 		wm_low.blank_time = line_time - wm_low.active_time;
1110 		wm_low.interlaced = false;
1111 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1112 			wm_low.interlaced = true;
1113 		wm_low.vsc = amdgpu_crtc->vsc;
1114 		wm_low.vtaps = 1;
1115 		if (amdgpu_crtc->rmx_type != RMX_OFF)
1116 			wm_low.vtaps = 2;
1117 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1118 		wm_low.lb_size = lb_size;
1119 		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1120 		wm_low.num_heads = num_heads;
1121 
1122 		/* set for low clocks */
1123 		latency_watermark_b = min(dce_v11_0_latency_watermark(&wm_low), (u32)65535);
1124 
1125 		/* possibly force display priority to high */
1126 		/* should really do this at mode validation time... */
1127 		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1128 		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1129 		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1130 		    (adev->mode_info.disp_priority == 2)) {
1131 			DRM_DEBUG_KMS("force priority to high\n");
1132 		}
1133 		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1134 	}
1135 
1136 	/* select wm A */
1137 	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1138 	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1139 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1140 	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1141 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1142 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1143 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1144 	/* select wm B */
1145 	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1146 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1147 	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1148 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1149 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1150 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1151 	/* restore original selection */
1152 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1153 
1154 	/* save values for DPM */
1155 	amdgpu_crtc->line_time = line_time;
1156 	amdgpu_crtc->wm_high = latency_watermark_a;
1157 	amdgpu_crtc->wm_low = latency_watermark_b;
1158 	/* Save number of lines the linebuffer leads before the scanout */
1159 	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1160 }
1161 
1162 /**
1163  * dce_v11_0_bandwidth_update - program display watermarks
1164  *
1165  * @adev: amdgpu_device pointer
1166  *
1167  * Calculate and program the display watermarks and line
1168  * buffer allocation (CIK).
1169  */
1170 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1171 {
1172 	struct drm_display_mode *mode = NULL;
1173 	u32 num_heads = 0, lb_size;
1174 	int i;
1175 
1176 	amdgpu_display_update_priority(adev);
1177 
1178 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1179 		if (adev->mode_info.crtcs[i]->base.enabled)
1180 			num_heads++;
1181 	}
1182 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1183 		mode = &adev->mode_info.crtcs[i]->base.mode;
1184 		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1185 		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1186 					    lb_size, num_heads);
1187 	}
1188 }
1189 
1190 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1191 {
1192 	int i;
1193 	u32 offset, tmp;
1194 
1195 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1196 		offset = adev->mode_info.audio.pin[i].offset;
1197 		tmp = RREG32_AUDIO_ENDPT(offset,
1198 					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1199 		if (((tmp &
1200 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1201 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1202 			adev->mode_info.audio.pin[i].connected = false;
1203 		else
1204 			adev->mode_info.audio.pin[i].connected = true;
1205 	}
1206 }
1207 
1208 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1209 {
1210 	int i;
1211 
1212 	dce_v11_0_audio_get_connected_pins(adev);
1213 
1214 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1215 		if (adev->mode_info.audio.pin[i].connected)
1216 			return &adev->mode_info.audio.pin[i];
1217 	}
1218 	DRM_ERROR("No connected audio pins found!\n");
1219 	return NULL;
1220 }
1221 
1222 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1223 {
1224 	struct amdgpu_device *adev = encoder->dev->dev_private;
1225 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1226 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1227 	u32 tmp;
1228 
1229 	if (!dig || !dig->afmt || !dig->afmt->pin)
1230 		return;
1231 
1232 	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1233 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1234 	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1235 }
1236 
1237 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1238 						struct drm_display_mode *mode)
1239 {
1240 	struct amdgpu_device *adev = encoder->dev->dev_private;
1241 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1242 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1243 	struct drm_connector *connector;
1244 	struct amdgpu_connector *amdgpu_connector = NULL;
1245 	u32 tmp;
1246 	int interlace = 0;
1247 
1248 	if (!dig || !dig->afmt || !dig->afmt->pin)
1249 		return;
1250 
1251 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1252 		if (connector->encoder == encoder) {
1253 			amdgpu_connector = to_amdgpu_connector(connector);
1254 			break;
1255 		}
1256 	}
1257 
1258 	if (!amdgpu_connector) {
1259 		DRM_ERROR("Couldn't find encoder's connector\n");
1260 		return;
1261 	}
1262 
1263 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1264 		interlace = 1;
1265 	if (connector->latency_present[interlace]) {
1266 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1267 				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1268 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1269 				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1270 	} else {
1271 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1272 				    VIDEO_LIPSYNC, 0);
1273 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1274 				    AUDIO_LIPSYNC, 0);
1275 	}
1276 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1277 			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1278 }
1279 
1280 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1281 {
1282 	struct amdgpu_device *adev = encoder->dev->dev_private;
1283 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1284 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1285 	struct drm_connector *connector;
1286 	struct amdgpu_connector *amdgpu_connector = NULL;
1287 	u32 tmp;
1288 	u8 *sadb = NULL;
1289 	int sad_count;
1290 
1291 	if (!dig || !dig->afmt || !dig->afmt->pin)
1292 		return;
1293 
1294 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1295 		if (connector->encoder == encoder) {
1296 			amdgpu_connector = to_amdgpu_connector(connector);
1297 			break;
1298 		}
1299 	}
1300 
1301 	if (!amdgpu_connector) {
1302 		DRM_ERROR("Couldn't find encoder's connector\n");
1303 		return;
1304 	}
1305 
1306 	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1307 	if (sad_count < 0) {
1308 		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1309 		sad_count = 0;
1310 	}
1311 
1312 	/* program the speaker allocation */
1313 	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1314 				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1315 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1316 			    DP_CONNECTION, 0);
1317 	/* set HDMI mode */
1318 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1319 			    HDMI_CONNECTION, 1);
1320 	if (sad_count)
1321 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1322 				    SPEAKER_ALLOCATION, sadb[0]);
1323 	else
1324 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1325 				    SPEAKER_ALLOCATION, 5); /* stereo */
1326 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1327 			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1328 
1329 	kfree(sadb);
1330 }
1331 
1332 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1333 {
1334 	struct amdgpu_device *adev = encoder->dev->dev_private;
1335 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1336 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1337 	struct drm_connector *connector;
1338 	struct amdgpu_connector *amdgpu_connector = NULL;
1339 	struct cea_sad *sads;
1340 	int i, sad_count;
1341 
1342 	static const u16 eld_reg_to_type[][2] = {
1343 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1344 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1345 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1346 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1347 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1348 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1349 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1350 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1351 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1352 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1353 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1354 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1355 	};
1356 
1357 	if (!dig || !dig->afmt || !dig->afmt->pin)
1358 		return;
1359 
1360 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1361 		if (connector->encoder == encoder) {
1362 			amdgpu_connector = to_amdgpu_connector(connector);
1363 			break;
1364 		}
1365 	}
1366 
1367 	if (!amdgpu_connector) {
1368 		DRM_ERROR("Couldn't find encoder's connector\n");
1369 		return;
1370 	}
1371 
1372 	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1373 	if (sad_count <= 0) {
1374 		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1375 		return;
1376 	}
1377 	BUG_ON(!sads);
1378 
1379 	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1380 		u32 tmp = 0;
1381 		u8 stereo_freqs = 0;
1382 		int max_channels = -1;
1383 		int j;
1384 
1385 		for (j = 0; j < sad_count; j++) {
1386 			struct cea_sad *sad = &sads[j];
1387 
1388 			if (sad->format == eld_reg_to_type[i][1]) {
1389 				if (sad->channels > max_channels) {
1390 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1391 							    MAX_CHANNELS, sad->channels);
1392 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1393 							    DESCRIPTOR_BYTE_2, sad->byte2);
1394 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1395 							    SUPPORTED_FREQUENCIES, sad->freq);
1396 					max_channels = sad->channels;
1397 				}
1398 
1399 				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1400 					stereo_freqs |= sad->freq;
1401 				else
1402 					break;
1403 			}
1404 		}
1405 
1406 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1407 				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1408 		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1409 	}
1410 
1411 	kfree(sads);
1412 }
1413 
1414 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1415 				  struct amdgpu_audio_pin *pin,
1416 				  bool enable)
1417 {
1418 	if (!pin)
1419 		return;
1420 
1421 	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1422 			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1423 }
1424 
1425 static const u32 pin_offsets[] =
1426 {
1427 	AUD0_REGISTER_OFFSET,
1428 	AUD1_REGISTER_OFFSET,
1429 	AUD2_REGISTER_OFFSET,
1430 	AUD3_REGISTER_OFFSET,
1431 	AUD4_REGISTER_OFFSET,
1432 	AUD5_REGISTER_OFFSET,
1433 	AUD6_REGISTER_OFFSET,
1434 	AUD7_REGISTER_OFFSET,
1435 };
1436 
1437 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1438 {
1439 	int i;
1440 
1441 	if (!amdgpu_audio)
1442 		return 0;
1443 
1444 	adev->mode_info.audio.enabled = true;
1445 
1446 	switch (adev->asic_type) {
1447 	case CHIP_CARRIZO:
1448 	case CHIP_STONEY:
1449 		adev->mode_info.audio.num_pins = 7;
1450 		break;
1451 	case CHIP_POLARIS10:
1452 	case CHIP_VEGAM:
1453 		adev->mode_info.audio.num_pins = 8;
1454 		break;
1455 	case CHIP_POLARIS11:
1456 	case CHIP_POLARIS12:
1457 		adev->mode_info.audio.num_pins = 6;
1458 		break;
1459 	default:
1460 		return -EINVAL;
1461 	}
1462 
1463 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1464 		adev->mode_info.audio.pin[i].channels = -1;
1465 		adev->mode_info.audio.pin[i].rate = -1;
1466 		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1467 		adev->mode_info.audio.pin[i].status_bits = 0;
1468 		adev->mode_info.audio.pin[i].category_code = 0;
1469 		adev->mode_info.audio.pin[i].connected = false;
1470 		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1471 		adev->mode_info.audio.pin[i].id = i;
1472 		/* disable audio.  it will be set up later */
1473 		/* XXX remove once we switch to ip funcs */
1474 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1475 	}
1476 
1477 	return 0;
1478 }
1479 
1480 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1481 {
1482 	int i;
1483 
1484 	if (!amdgpu_audio)
1485 		return;
1486 
1487 	if (!adev->mode_info.audio.enabled)
1488 		return;
1489 
1490 	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1491 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1492 
1493 	adev->mode_info.audio.enabled = false;
1494 }
1495 
1496 /*
1497  * update the N and CTS parameters for a given pixel clock rate
1498  */
1499 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1500 {
1501 	struct drm_device *dev = encoder->dev;
1502 	struct amdgpu_device *adev = dev->dev_private;
1503 	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1504 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1505 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1506 	u32 tmp;
1507 
1508 	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1509 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1510 	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1511 	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1512 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1513 	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1514 
1515 	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1516 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1517 	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1518 	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1519 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1520 	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1521 
1522 	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1523 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1524 	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1525 	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1526 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1527 	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1528 
1529 }
1530 
1531 /*
1532  * build a HDMI Video Info Frame
1533  */
1534 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1535 					       void *buffer, size_t size)
1536 {
1537 	struct drm_device *dev = encoder->dev;
1538 	struct amdgpu_device *adev = dev->dev_private;
1539 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1540 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1541 	uint8_t *frame = buffer + 3;
1542 	uint8_t *header = buffer;
1543 
1544 	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1545 		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1546 	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1547 		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1548 	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1549 		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1550 	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1551 		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1552 }
1553 
1554 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1555 {
1556 	struct drm_device *dev = encoder->dev;
1557 	struct amdgpu_device *adev = dev->dev_private;
1558 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1559 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1560 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1561 	u32 dto_phase = 24 * 1000;
1562 	u32 dto_modulo = clock;
1563 	u32 tmp;
1564 
1565 	if (!dig || !dig->afmt)
1566 		return;
1567 
1568 	/* XXX two dtos; generally use dto0 for hdmi */
1569 	/* Express [24MHz / target pixel clock] as an exact rational
1570 	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1571 	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1572 	 */
1573 	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1574 	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1575 			    amdgpu_crtc->crtc_id);
1576 	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1577 	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1578 	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1579 }
1580 
1581 /*
1582  * update the info frames with the data from the current display mode
1583  */
1584 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1585 				  struct drm_display_mode *mode)
1586 {
1587 	struct drm_device *dev = encoder->dev;
1588 	struct amdgpu_device *adev = dev->dev_private;
1589 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1590 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1591 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1592 	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1593 	struct hdmi_avi_infoframe frame;
1594 	ssize_t err;
1595 	u32 tmp;
1596 	int bpc = 8;
1597 
1598 	if (!dig || !dig->afmt)
1599 		return;
1600 
1601 	/* Silent, r600_hdmi_enable will raise WARN for us */
1602 	if (!dig->afmt->enabled)
1603 		return;
1604 
1605 	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1606 	if (encoder->crtc) {
1607 		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1608 		bpc = amdgpu_crtc->bpc;
1609 	}
1610 
1611 	/* disable audio prior to setting up hw */
1612 	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1613 	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1614 
1615 	dce_v11_0_audio_set_dto(encoder, mode->clock);
1616 
1617 	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1618 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1619 	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1620 
1621 	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1622 
1623 	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1624 	switch (bpc) {
1625 	case 0:
1626 	case 6:
1627 	case 8:
1628 	case 16:
1629 	default:
1630 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1631 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1632 		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1633 			  connector->name, bpc);
1634 		break;
1635 	case 10:
1636 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1637 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1638 		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1639 			  connector->name);
1640 		break;
1641 	case 12:
1642 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1643 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1644 		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1645 			  connector->name);
1646 		break;
1647 	}
1648 	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1649 
1650 	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1651 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1652 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1653 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1654 	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1655 
1656 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1657 	/* enable audio info frames (frames won't be set until audio is enabled) */
1658 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1659 	/* required for audio info values to be updated */
1660 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1661 	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1662 
1663 	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1664 	/* required for audio info values to be updated */
1665 	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1666 	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1667 
1668 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1669 	/* anything other than 0 */
1670 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1671 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1672 
1673 	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1674 
1675 	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1676 	/* set the default audio delay */
1677 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1678 	/* should be suffient for all audio modes and small enough for all hblanks */
1679 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1680 	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1681 
1682 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1683 	/* allow 60958 channel status fields to be updated */
1684 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1685 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1686 
1687 	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1688 	if (bpc > 8)
1689 		/* clear SW CTS value */
1690 		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1691 	else
1692 		/* select SW CTS value */
1693 		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1694 	/* allow hw to sent ACR packets when required */
1695 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1696 	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1697 
1698 	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1699 
1700 	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1701 	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1702 	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1703 
1704 	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1705 	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1706 	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1707 
1708 	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1709 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1710 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1711 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1712 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1713 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1714 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1715 	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1716 
1717 	dce_v11_0_audio_write_speaker_allocation(encoder);
1718 
1719 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1720 	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1721 
1722 	dce_v11_0_afmt_audio_select_pin(encoder);
1723 	dce_v11_0_audio_write_sad_regs(encoder);
1724 	dce_v11_0_audio_write_latency_fields(encoder, mode);
1725 
1726 	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
1727 	if (err < 0) {
1728 		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1729 		return;
1730 	}
1731 
1732 	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1733 	if (err < 0) {
1734 		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1735 		return;
1736 	}
1737 
1738 	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1739 
1740 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1741 	/* enable AVI info frames */
1742 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1743 	/* required for audio info values to be updated */
1744 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1745 	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1746 
1747 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1748 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1749 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1750 
1751 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1752 	/* send audio packets */
1753 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1754 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1755 
1756 	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1757 	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1758 	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1759 	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1760 
1761 	/* enable audio after to setting up hw */
1762 	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1763 }
1764 
1765 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1766 {
1767 	struct drm_device *dev = encoder->dev;
1768 	struct amdgpu_device *adev = dev->dev_private;
1769 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1770 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1771 
1772 	if (!dig || !dig->afmt)
1773 		return;
1774 
1775 	/* Silent, r600_hdmi_enable will raise WARN for us */
1776 	if (enable && dig->afmt->enabled)
1777 		return;
1778 	if (!enable && !dig->afmt->enabled)
1779 		return;
1780 
1781 	if (!enable && dig->afmt->pin) {
1782 		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1783 		dig->afmt->pin = NULL;
1784 	}
1785 
1786 	dig->afmt->enabled = enable;
1787 
1788 	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1789 		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1790 }
1791 
1792 static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1793 {
1794 	int i;
1795 
1796 	for (i = 0; i < adev->mode_info.num_dig; i++)
1797 		adev->mode_info.afmt[i] = NULL;
1798 
1799 	/* DCE11 has audio blocks tied to DIG encoders */
1800 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1801 		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1802 		if (adev->mode_info.afmt[i]) {
1803 			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1804 			adev->mode_info.afmt[i]->id = i;
1805 		} else {
1806 			int j;
1807 			for (j = 0; j < i; j++) {
1808 				kfree(adev->mode_info.afmt[j]);
1809 				adev->mode_info.afmt[j] = NULL;
1810 			}
1811 			return -ENOMEM;
1812 		}
1813 	}
1814 	return 0;
1815 }
1816 
1817 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1818 {
1819 	int i;
1820 
1821 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1822 		kfree(adev->mode_info.afmt[i]);
1823 		adev->mode_info.afmt[i] = NULL;
1824 	}
1825 }
1826 
1827 static const u32 vga_control_regs[6] =
1828 {
1829 	mmD1VGA_CONTROL,
1830 	mmD2VGA_CONTROL,
1831 	mmD3VGA_CONTROL,
1832 	mmD4VGA_CONTROL,
1833 	mmD5VGA_CONTROL,
1834 	mmD6VGA_CONTROL,
1835 };
1836 
1837 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1838 {
1839 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1840 	struct drm_device *dev = crtc->dev;
1841 	struct amdgpu_device *adev = dev->dev_private;
1842 	u32 vga_control;
1843 
1844 	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1845 	if (enable)
1846 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1847 	else
1848 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1849 }
1850 
1851 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1852 {
1853 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1854 	struct drm_device *dev = crtc->dev;
1855 	struct amdgpu_device *adev = dev->dev_private;
1856 
1857 	if (enable)
1858 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1859 	else
1860 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1861 }
1862 
1863 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1864 				     struct drm_framebuffer *fb,
1865 				     int x, int y, int atomic)
1866 {
1867 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1868 	struct drm_device *dev = crtc->dev;
1869 	struct amdgpu_device *adev = dev->dev_private;
1870 	struct drm_framebuffer *target_fb;
1871 	struct drm_gem_object *obj;
1872 	struct amdgpu_bo *abo;
1873 	uint64_t fb_location, tiling_flags;
1874 	uint32_t fb_format, fb_pitch_pixels;
1875 	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1876 	u32 pipe_config;
1877 	u32 tmp, viewport_w, viewport_h;
1878 	int r;
1879 	bool bypass_lut = false;
1880 	struct drm_format_name_buf format_name;
1881 
1882 	/* no fb bound */
1883 	if (!atomic && !crtc->primary->fb) {
1884 		DRM_DEBUG_KMS("No FB bound\n");
1885 		return 0;
1886 	}
1887 
1888 	if (atomic)
1889 		target_fb = fb;
1890 	else
1891 		target_fb = crtc->primary->fb;
1892 
1893 	/* If atomic, assume fb object is pinned & idle & fenced and
1894 	 * just update base pointers
1895 	 */
1896 	obj = target_fb->obj[0];
1897 	abo = gem_to_amdgpu_bo(obj);
1898 	r = amdgpu_bo_reserve(abo, false);
1899 	if (unlikely(r != 0))
1900 		return r;
1901 
1902 	if (!atomic) {
1903 		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1904 		if (unlikely(r != 0)) {
1905 			amdgpu_bo_unreserve(abo);
1906 			return -EINVAL;
1907 		}
1908 	}
1909 	fb_location = amdgpu_bo_gpu_offset(abo);
1910 
1911 	amdgpu_bo_get_tiling_flags(abo, (u64 *)&tiling_flags);
1912 	amdgpu_bo_unreserve(abo);
1913 
1914 	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1915 
1916 	switch (target_fb->format->format) {
1917 	case DRM_FORMAT_C8:
1918 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1919 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1920 		break;
1921 	case DRM_FORMAT_XRGB4444:
1922 	case DRM_FORMAT_ARGB4444:
1923 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1924 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1925 #ifdef __BIG_ENDIAN
1926 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1927 					ENDIAN_8IN16);
1928 #endif
1929 		break;
1930 	case DRM_FORMAT_XRGB1555:
1931 	case DRM_FORMAT_ARGB1555:
1932 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1933 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1934 #ifdef __BIG_ENDIAN
1935 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1936 					ENDIAN_8IN16);
1937 #endif
1938 		break;
1939 	case DRM_FORMAT_BGRX5551:
1940 	case DRM_FORMAT_BGRA5551:
1941 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1942 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1943 #ifdef __BIG_ENDIAN
1944 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1945 					ENDIAN_8IN16);
1946 #endif
1947 		break;
1948 	case DRM_FORMAT_RGB565:
1949 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1950 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1951 #ifdef __BIG_ENDIAN
1952 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1953 					ENDIAN_8IN16);
1954 #endif
1955 		break;
1956 	case DRM_FORMAT_XRGB8888:
1957 	case DRM_FORMAT_ARGB8888:
1958 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1959 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1960 #ifdef __BIG_ENDIAN
1961 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1962 					ENDIAN_8IN32);
1963 #endif
1964 		break;
1965 	case DRM_FORMAT_XRGB2101010:
1966 	case DRM_FORMAT_ARGB2101010:
1967 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1968 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1969 #ifdef __BIG_ENDIAN
1970 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1971 					ENDIAN_8IN32);
1972 #endif
1973 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1974 		bypass_lut = true;
1975 		break;
1976 	case DRM_FORMAT_BGRX1010102:
1977 	case DRM_FORMAT_BGRA1010102:
1978 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1979 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
1980 #ifdef __BIG_ENDIAN
1981 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1982 					ENDIAN_8IN32);
1983 #endif
1984 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1985 		bypass_lut = true;
1986 		break;
1987 	default:
1988 		DRM_ERROR("Unsupported screen format %s\n",
1989 		          drm_get_format_name(target_fb->format->format, &format_name));
1990 		return -EINVAL;
1991 	}
1992 
1993 	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1994 		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1995 
1996 		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1997 		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1998 		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1999 		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2000 		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2001 
2002 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2003 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2004 					  ARRAY_2D_TILED_THIN1);
2005 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2006 					  tile_split);
2007 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2008 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2009 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2010 					  mtaspect);
2011 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2012 					  ADDR_SURF_MICRO_TILING_DISPLAY);
2013 	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2014 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2015 					  ARRAY_1D_TILED_THIN1);
2016 	}
2017 
2018 	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2019 				  pipe_config);
2020 
2021 	dce_v11_0_vga_enable(crtc, false);
2022 
2023 	/* Make sure surface address is updated at vertical blank rather than
2024 	 * horizontal blank
2025 	 */
2026 	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2027 	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2028 			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2029 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2030 
2031 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2032 	       upper_32_bits(fb_location));
2033 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2034 	       upper_32_bits(fb_location));
2035 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2036 	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2037 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2038 	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2039 	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2040 	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2041 
2042 	/*
2043 	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2044 	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2045 	 * retain the full precision throughout the pipeline.
2046 	 */
2047 	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2048 	if (bypass_lut)
2049 		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2050 	else
2051 		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2052 	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2053 
2054 	if (bypass_lut)
2055 		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2056 
2057 	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2058 	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2059 	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2060 	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2061 	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2062 	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2063 
2064 	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2065 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2066 
2067 	dce_v11_0_grph_enable(crtc, true);
2068 
2069 	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2070 	       target_fb->height);
2071 
2072 	x &= ~3;
2073 	y &= ~1;
2074 	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2075 	       (x << 16) | y);
2076 	viewport_w = crtc->mode.hdisplay;
2077 	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2078 	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2079 	       (viewport_w << 16) | viewport_h);
2080 
2081 	/* set pageflip to happen anywhere in vblank interval */
2082 	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2083 
2084 	if (!atomic && fb && fb != crtc->primary->fb) {
2085 		abo = gem_to_amdgpu_bo(fb->obj[0]);
2086 		r = amdgpu_bo_reserve(abo, true);
2087 		if (unlikely(r != 0))
2088 			return r;
2089 		amdgpu_bo_unpin(abo);
2090 		amdgpu_bo_unreserve(abo);
2091 	}
2092 
2093 	/* Bytes per pixel may have changed */
2094 	dce_v11_0_bandwidth_update(adev);
2095 
2096 	return 0;
2097 }
2098 
2099 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2100 				     struct drm_display_mode *mode)
2101 {
2102 	struct drm_device *dev = crtc->dev;
2103 	struct amdgpu_device *adev = dev->dev_private;
2104 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2105 	u32 tmp;
2106 
2107 	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2108 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2109 		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2110 	else
2111 		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2112 	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2113 }
2114 
2115 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2116 {
2117 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2118 	struct drm_device *dev = crtc->dev;
2119 	struct amdgpu_device *adev = dev->dev_private;
2120 	u16 *r, *g, *b;
2121 	int i;
2122 	u32 tmp;
2123 
2124 	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2125 
2126 	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2127 	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2128 	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2129 
2130 	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2131 	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2132 	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2133 
2134 	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2135 	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2136 	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2137 
2138 	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2139 
2140 	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2141 	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2142 	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2143 
2144 	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2145 	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2146 	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2147 
2148 	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2149 	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2150 
2151 	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2152 	r = crtc->gamma_store;
2153 	g = r + crtc->gamma_size;
2154 	b = g + crtc->gamma_size;
2155 	for (i = 0; i < 256; i++) {
2156 		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2157 		       ((*r++ & 0xffc0) << 14) |
2158 		       ((*g++ & 0xffc0) << 4) |
2159 		       (*b++ >> 6));
2160 	}
2161 
2162 	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2163 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2164 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2165 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2166 	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2167 
2168 	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2169 	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2170 	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2171 
2172 	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2173 	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2174 	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2175 
2176 	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2177 	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2178 	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2179 
2180 	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2181 	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2182 	/* XXX this only needs to be programmed once per crtc at startup,
2183 	 * not sure where the best place for it is
2184 	 */
2185 	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2186 	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2187 	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2188 }
2189 
2190 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2191 {
2192 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2193 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2194 
2195 	switch (amdgpu_encoder->encoder_id) {
2196 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2197 		if (dig->linkb)
2198 			return 1;
2199 		else
2200 			return 0;
2201 		break;
2202 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2203 		if (dig->linkb)
2204 			return 3;
2205 		else
2206 			return 2;
2207 		break;
2208 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2209 		if (dig->linkb)
2210 			return 5;
2211 		else
2212 			return 4;
2213 		break;
2214 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2215 		return 6;
2216 		break;
2217 	default:
2218 		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2219 		return 0;
2220 	}
2221 }
2222 
2223 /**
2224  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2225  *
2226  * @crtc: drm crtc
2227  *
2228  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2229  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2230  * monitors a dedicated PPLL must be used.  If a particular board has
2231  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2232  * as there is no need to program the PLL itself.  If we are not able to
2233  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2234  * avoid messing up an existing monitor.
2235  *
2236  * Asic specific PLL information
2237  *
2238  * DCE 10.x
2239  * Tonga
2240  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2241  * CI
2242  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2243  *
2244  */
2245 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2246 {
2247 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2248 	struct drm_device *dev = crtc->dev;
2249 	struct amdgpu_device *adev = dev->dev_private;
2250 	u32 pll_in_use;
2251 	int pll;
2252 
2253 	if ((adev->asic_type == CHIP_POLARIS10) ||
2254 	    (adev->asic_type == CHIP_POLARIS11) ||
2255 	    (adev->asic_type == CHIP_POLARIS12) ||
2256 	    (adev->asic_type == CHIP_VEGAM)) {
2257 		struct amdgpu_encoder *amdgpu_encoder =
2258 			to_amdgpu_encoder(amdgpu_crtc->encoder);
2259 		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2260 
2261 		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2262 			return ATOM_DP_DTO;
2263 
2264 		switch (amdgpu_encoder->encoder_id) {
2265 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2266 			if (dig->linkb)
2267 				return ATOM_COMBOPHY_PLL1;
2268 			else
2269 				return ATOM_COMBOPHY_PLL0;
2270 			break;
2271 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2272 			if (dig->linkb)
2273 				return ATOM_COMBOPHY_PLL3;
2274 			else
2275 				return ATOM_COMBOPHY_PLL2;
2276 			break;
2277 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2278 			if (dig->linkb)
2279 				return ATOM_COMBOPHY_PLL5;
2280 			else
2281 				return ATOM_COMBOPHY_PLL4;
2282 			break;
2283 		default:
2284 			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2285 			return ATOM_PPLL_INVALID;
2286 		}
2287 	}
2288 
2289 	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2290 		if (adev->clock.dp_extclk)
2291 			/* skip PPLL programming if using ext clock */
2292 			return ATOM_PPLL_INVALID;
2293 		else {
2294 			/* use the same PPLL for all DP monitors */
2295 			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2296 			if (pll != ATOM_PPLL_INVALID)
2297 				return pll;
2298 		}
2299 	} else {
2300 		/* use the same PPLL for all monitors with the same clock */
2301 		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2302 		if (pll != ATOM_PPLL_INVALID)
2303 			return pll;
2304 	}
2305 
2306 	/* XXX need to determine what plls are available on each DCE11 part */
2307 	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2308 	if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) {
2309 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2310 			return ATOM_PPLL1;
2311 		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2312 			return ATOM_PPLL0;
2313 		DRM_ERROR("unable to allocate a PPLL\n");
2314 		return ATOM_PPLL_INVALID;
2315 	} else {
2316 		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2317 			return ATOM_PPLL2;
2318 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2319 			return ATOM_PPLL1;
2320 		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2321 			return ATOM_PPLL0;
2322 		DRM_ERROR("unable to allocate a PPLL\n");
2323 		return ATOM_PPLL_INVALID;
2324 	}
2325 	return ATOM_PPLL_INVALID;
2326 }
2327 
2328 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2329 {
2330 	struct amdgpu_device *adev = crtc->dev->dev_private;
2331 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2332 	uint32_t cur_lock;
2333 
2334 	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2335 	if (lock)
2336 		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2337 	else
2338 		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2339 	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2340 }
2341 
2342 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2343 {
2344 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2345 	struct amdgpu_device *adev = crtc->dev->dev_private;
2346 	u32 tmp;
2347 
2348 	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2349 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2350 	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2351 }
2352 
2353 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2354 {
2355 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2356 	struct amdgpu_device *adev = crtc->dev->dev_private;
2357 	u32 tmp;
2358 
2359 	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2360 	       upper_32_bits(amdgpu_crtc->cursor_addr));
2361 	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2362 	       lower_32_bits(amdgpu_crtc->cursor_addr));
2363 
2364 	tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2365 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2366 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2367 	WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2368 }
2369 
2370 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2371 					int x, int y)
2372 {
2373 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2374 	struct amdgpu_device *adev = crtc->dev->dev_private;
2375 	int xorigin = 0, yorigin = 0;
2376 
2377 	amdgpu_crtc->cursor_x = x;
2378 	amdgpu_crtc->cursor_y = y;
2379 
2380 	/* avivo cursor are offset into the total surface */
2381 	x += crtc->x;
2382 	y += crtc->y;
2383 	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2384 
2385 	if (x < 0) {
2386 		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2387 		x = 0;
2388 	}
2389 	if (y < 0) {
2390 		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2391 		y = 0;
2392 	}
2393 
2394 	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2395 	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2396 	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2397 	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2398 
2399 	return 0;
2400 }
2401 
2402 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2403 				      int x, int y)
2404 {
2405 	int ret;
2406 
2407 	dce_v11_0_lock_cursor(crtc, true);
2408 	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2409 	dce_v11_0_lock_cursor(crtc, false);
2410 
2411 	return ret;
2412 }
2413 
2414 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2415 				      struct drm_file *file_priv,
2416 				      uint32_t handle,
2417 				      uint32_t width,
2418 				      uint32_t height,
2419 				      int32_t hot_x,
2420 				      int32_t hot_y)
2421 {
2422 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2423 	struct drm_gem_object *obj;
2424 	struct amdgpu_bo *aobj;
2425 	int ret;
2426 
2427 	if (!handle) {
2428 		/* turn off cursor */
2429 		dce_v11_0_hide_cursor(crtc);
2430 		obj = NULL;
2431 		goto unpin;
2432 	}
2433 
2434 	if ((width > amdgpu_crtc->max_cursor_width) ||
2435 	    (height > amdgpu_crtc->max_cursor_height)) {
2436 		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2437 		return -EINVAL;
2438 	}
2439 
2440 	obj = drm_gem_object_lookup(file_priv, handle);
2441 	if (!obj) {
2442 		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2443 		return -ENOENT;
2444 	}
2445 
2446 	aobj = gem_to_amdgpu_bo(obj);
2447 	ret = amdgpu_bo_reserve(aobj, false);
2448 	if (ret != 0) {
2449 		drm_gem_object_put_unlocked(obj);
2450 		return ret;
2451 	}
2452 
2453 	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2454 	amdgpu_bo_unreserve(aobj);
2455 	if (ret) {
2456 		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2457 		drm_gem_object_put_unlocked(obj);
2458 		return ret;
2459 	}
2460 	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2461 
2462 	dce_v11_0_lock_cursor(crtc, true);
2463 
2464 	if (width != amdgpu_crtc->cursor_width ||
2465 	    height != amdgpu_crtc->cursor_height ||
2466 	    hot_x != amdgpu_crtc->cursor_hot_x ||
2467 	    hot_y != amdgpu_crtc->cursor_hot_y) {
2468 		int x, y;
2469 
2470 		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2471 		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2472 
2473 		dce_v11_0_cursor_move_locked(crtc, x, y);
2474 
2475 		amdgpu_crtc->cursor_width = width;
2476 		amdgpu_crtc->cursor_height = height;
2477 		amdgpu_crtc->cursor_hot_x = hot_x;
2478 		amdgpu_crtc->cursor_hot_y = hot_y;
2479 	}
2480 
2481 	dce_v11_0_show_cursor(crtc);
2482 	dce_v11_0_lock_cursor(crtc, false);
2483 
2484 unpin:
2485 	if (amdgpu_crtc->cursor_bo) {
2486 		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2487 		ret = amdgpu_bo_reserve(aobj, true);
2488 		if (likely(ret == 0)) {
2489 			amdgpu_bo_unpin(aobj);
2490 			amdgpu_bo_unreserve(aobj);
2491 		}
2492 		drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2493 	}
2494 
2495 	amdgpu_crtc->cursor_bo = obj;
2496 	return 0;
2497 }
2498 
2499 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2500 {
2501 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2502 
2503 	if (amdgpu_crtc->cursor_bo) {
2504 		dce_v11_0_lock_cursor(crtc, true);
2505 
2506 		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2507 					     amdgpu_crtc->cursor_y);
2508 
2509 		dce_v11_0_show_cursor(crtc);
2510 
2511 		dce_v11_0_lock_cursor(crtc, false);
2512 	}
2513 }
2514 
2515 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2516 				    u16 *blue, uint32_t size,
2517 				    struct drm_modeset_acquire_ctx *ctx)
2518 {
2519 	dce_v11_0_crtc_load_lut(crtc);
2520 
2521 	return 0;
2522 }
2523 
2524 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2525 {
2526 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2527 
2528 	drm_crtc_cleanup(crtc);
2529 	kfree(amdgpu_crtc);
2530 }
2531 
2532 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2533 	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2534 	.cursor_move = dce_v11_0_crtc_cursor_move,
2535 	.gamma_set = dce_v11_0_crtc_gamma_set,
2536 	.set_config = amdgpu_display_crtc_set_config,
2537 	.destroy = dce_v11_0_crtc_destroy,
2538 	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2539 };
2540 
2541 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2542 {
2543 	struct drm_device *dev = crtc->dev;
2544 	struct amdgpu_device *adev = dev->dev_private;
2545 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2546 	unsigned type;
2547 
2548 	switch (mode) {
2549 	case DRM_MODE_DPMS_ON:
2550 		amdgpu_crtc->enabled = true;
2551 		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2552 		dce_v11_0_vga_enable(crtc, true);
2553 		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2554 		dce_v11_0_vga_enable(crtc, false);
2555 		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2556 		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2557 						amdgpu_crtc->crtc_id);
2558 		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2559 		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2560 		drm_crtc_vblank_on(crtc);
2561 		dce_v11_0_crtc_load_lut(crtc);
2562 		break;
2563 	case DRM_MODE_DPMS_STANDBY:
2564 	case DRM_MODE_DPMS_SUSPEND:
2565 	case DRM_MODE_DPMS_OFF:
2566 		drm_crtc_vblank_off(crtc);
2567 		if (amdgpu_crtc->enabled) {
2568 			dce_v11_0_vga_enable(crtc, true);
2569 			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2570 			dce_v11_0_vga_enable(crtc, false);
2571 		}
2572 		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2573 		amdgpu_crtc->enabled = false;
2574 		break;
2575 	}
2576 	/* adjust pm to dpms */
2577 	amdgpu_pm_compute_clocks(adev);
2578 }
2579 
2580 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2581 {
2582 	/* disable crtc pair power gating before programming */
2583 	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2584 	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2585 	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2586 }
2587 
2588 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2589 {
2590 	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2591 	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2592 }
2593 
2594 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2595 {
2596 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2597 	struct drm_device *dev = crtc->dev;
2598 	struct amdgpu_device *adev = dev->dev_private;
2599 	struct amdgpu_atom_ss ss;
2600 	int i;
2601 
2602 	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2603 	if (crtc->primary->fb) {
2604 		int r;
2605 		struct amdgpu_bo *abo;
2606 
2607 		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2608 		r = amdgpu_bo_reserve(abo, true);
2609 		if (unlikely(r))
2610 			DRM_ERROR("failed to reserve abo before unpin\n");
2611 		else {
2612 			amdgpu_bo_unpin(abo);
2613 			amdgpu_bo_unreserve(abo);
2614 		}
2615 	}
2616 	/* disable the GRPH */
2617 	dce_v11_0_grph_enable(crtc, false);
2618 
2619 	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2620 
2621 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2622 		if (adev->mode_info.crtcs[i] &&
2623 		    adev->mode_info.crtcs[i]->enabled &&
2624 		    i != amdgpu_crtc->crtc_id &&
2625 		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2626 			/* one other crtc is using this pll don't turn
2627 			 * off the pll
2628 			 */
2629 			goto done;
2630 		}
2631 	}
2632 
2633 	switch (amdgpu_crtc->pll_id) {
2634 	case ATOM_PPLL0:
2635 	case ATOM_PPLL1:
2636 	case ATOM_PPLL2:
2637 		/* disable the ppll */
2638 		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2639 						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2640 		break;
2641 	case ATOM_COMBOPHY_PLL0:
2642 	case ATOM_COMBOPHY_PLL1:
2643 	case ATOM_COMBOPHY_PLL2:
2644 	case ATOM_COMBOPHY_PLL3:
2645 	case ATOM_COMBOPHY_PLL4:
2646 	case ATOM_COMBOPHY_PLL5:
2647 		/* disable the ppll */
2648 		amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2649 						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2650 		break;
2651 	default:
2652 		break;
2653 	}
2654 done:
2655 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2656 	amdgpu_crtc->adjusted_clock = 0;
2657 	amdgpu_crtc->encoder = NULL;
2658 	amdgpu_crtc->connector = NULL;
2659 }
2660 
2661 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2662 				  struct drm_display_mode *mode,
2663 				  struct drm_display_mode *adjusted_mode,
2664 				  int x, int y, struct drm_framebuffer *old_fb)
2665 {
2666 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2667 	struct drm_device *dev = crtc->dev;
2668 	struct amdgpu_device *adev = dev->dev_private;
2669 
2670 	if (!amdgpu_crtc->adjusted_clock)
2671 		return -EINVAL;
2672 
2673 	if ((adev->asic_type == CHIP_POLARIS10) ||
2674 	    (adev->asic_type == CHIP_POLARIS11) ||
2675 	    (adev->asic_type == CHIP_POLARIS12) ||
2676 	    (adev->asic_type == CHIP_VEGAM)) {
2677 		struct amdgpu_encoder *amdgpu_encoder =
2678 			to_amdgpu_encoder(amdgpu_crtc->encoder);
2679 		int encoder_mode =
2680 			amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2681 
2682 		/* SetPixelClock calculates the plls and ss values now */
2683 		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2684 						 amdgpu_crtc->pll_id,
2685 						 encoder_mode, amdgpu_encoder->encoder_id,
2686 						 adjusted_mode->clock, 0, 0, 0, 0,
2687 						 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2688 	} else {
2689 		amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2690 	}
2691 	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2692 	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2693 	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2694 	amdgpu_atombios_crtc_scaler_setup(crtc);
2695 	dce_v11_0_cursor_reset(crtc);
2696 	/* update the hw version fpr dpm */
2697 	amdgpu_crtc->hw_mode = *adjusted_mode;
2698 
2699 	return 0;
2700 }
2701 
2702 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2703 				     const struct drm_display_mode *mode,
2704 				     struct drm_display_mode *adjusted_mode)
2705 {
2706 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2707 	struct drm_device *dev = crtc->dev;
2708 	struct drm_encoder *encoder;
2709 
2710 	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2711 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2712 		if (encoder->crtc == crtc) {
2713 			amdgpu_crtc->encoder = encoder;
2714 			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2715 			break;
2716 		}
2717 	}
2718 	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2719 		amdgpu_crtc->encoder = NULL;
2720 		amdgpu_crtc->connector = NULL;
2721 		return false;
2722 	}
2723 	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2724 		return false;
2725 	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2726 		return false;
2727 	/* pick pll */
2728 	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2729 	/* if we can't get a PPLL for a non-DP encoder, fail */
2730 	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2731 	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2732 		return false;
2733 
2734 	return true;
2735 }
2736 
2737 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2738 				  struct drm_framebuffer *old_fb)
2739 {
2740 	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2741 }
2742 
2743 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2744 					 struct drm_framebuffer *fb,
2745 					 int x, int y, enum mode_set_atomic state)
2746 {
2747        return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2748 }
2749 
2750 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2751 	.dpms = dce_v11_0_crtc_dpms,
2752 	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2753 	.mode_set = dce_v11_0_crtc_mode_set,
2754 	.mode_set_base = dce_v11_0_crtc_set_base,
2755 	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2756 	.prepare = dce_v11_0_crtc_prepare,
2757 	.commit = dce_v11_0_crtc_commit,
2758 	.disable = dce_v11_0_crtc_disable,
2759 };
2760 
2761 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2762 {
2763 	struct amdgpu_crtc *amdgpu_crtc;
2764 
2765 	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2766 			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2767 	if (amdgpu_crtc == NULL)
2768 		return -ENOMEM;
2769 
2770 	drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2771 
2772 	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2773 	amdgpu_crtc->crtc_id = index;
2774 	adev->mode_info.crtcs[index] = amdgpu_crtc;
2775 
2776 	amdgpu_crtc->max_cursor_width = 128;
2777 	amdgpu_crtc->max_cursor_height = 128;
2778 	adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2779 	adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2780 
2781 	switch (amdgpu_crtc->crtc_id) {
2782 	case 0:
2783 	default:
2784 		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2785 		break;
2786 	case 1:
2787 		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2788 		break;
2789 	case 2:
2790 		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2791 		break;
2792 	case 3:
2793 		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2794 		break;
2795 	case 4:
2796 		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2797 		break;
2798 	case 5:
2799 		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2800 		break;
2801 	}
2802 
2803 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2804 	amdgpu_crtc->adjusted_clock = 0;
2805 	amdgpu_crtc->encoder = NULL;
2806 	amdgpu_crtc->connector = NULL;
2807 	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2808 
2809 	return 0;
2810 }
2811 
2812 static int dce_v11_0_early_init(void *handle)
2813 {
2814 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2815 
2816 	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2817 	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2818 
2819 	dce_v11_0_set_display_funcs(adev);
2820 
2821 	adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2822 
2823 	switch (adev->asic_type) {
2824 	case CHIP_CARRIZO:
2825 		adev->mode_info.num_hpd = 6;
2826 		adev->mode_info.num_dig = 9;
2827 		break;
2828 	case CHIP_STONEY:
2829 		adev->mode_info.num_hpd = 6;
2830 		adev->mode_info.num_dig = 9;
2831 		break;
2832 	case CHIP_POLARIS10:
2833 	case CHIP_VEGAM:
2834 		adev->mode_info.num_hpd = 6;
2835 		adev->mode_info.num_dig = 6;
2836 		break;
2837 	case CHIP_POLARIS11:
2838 	case CHIP_POLARIS12:
2839 		adev->mode_info.num_hpd = 5;
2840 		adev->mode_info.num_dig = 5;
2841 		break;
2842 	default:
2843 		/* FIXME: not supported yet */
2844 		return -EINVAL;
2845 	}
2846 
2847 	dce_v11_0_set_irq_funcs(adev);
2848 
2849 	return 0;
2850 }
2851 
2852 static int dce_v11_0_sw_init(void *handle)
2853 {
2854 	int r, i;
2855 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2856 
2857 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2858 		r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2859 		if (r)
2860 			return r;
2861 	}
2862 
2863 	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2864 		r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2865 		if (r)
2866 			return r;
2867 	}
2868 
2869 	/* HPD hotplug */
2870 	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2871 	if (r)
2872 		return r;
2873 
2874 	adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2875 
2876 	adev->ddev->mode_config.async_page_flip = true;
2877 
2878 	adev->ddev->mode_config.max_width = 16384;
2879 	adev->ddev->mode_config.max_height = 16384;
2880 
2881 	adev->ddev->mode_config.preferred_depth = 24;
2882 	adev->ddev->mode_config.prefer_shadow = 1;
2883 
2884 	adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2885 
2886 	r = amdgpu_display_modeset_create_props(adev);
2887 	if (r)
2888 		return r;
2889 
2890 	adev->ddev->mode_config.max_width = 16384;
2891 	adev->ddev->mode_config.max_height = 16384;
2892 
2893 
2894 	/* allocate crtcs */
2895 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2896 		r = dce_v11_0_crtc_init(adev, i);
2897 		if (r)
2898 			return r;
2899 	}
2900 
2901 	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2902 		amdgpu_display_print_display_setup(adev->ddev);
2903 	else
2904 		return -EINVAL;
2905 
2906 	/* setup afmt */
2907 	r = dce_v11_0_afmt_init(adev);
2908 	if (r)
2909 		return r;
2910 
2911 	r = dce_v11_0_audio_init(adev);
2912 	if (r)
2913 		return r;
2914 
2915 	drm_kms_helper_poll_init(adev->ddev);
2916 
2917 	adev->mode_info.mode_config_initialized = true;
2918 	return 0;
2919 }
2920 
2921 static int dce_v11_0_sw_fini(void *handle)
2922 {
2923 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2924 
2925 	kfree(adev->mode_info.bios_hardcoded_edid);
2926 
2927 	drm_kms_helper_poll_fini(adev->ddev);
2928 
2929 	dce_v11_0_audio_fini(adev);
2930 
2931 	dce_v11_0_afmt_fini(adev);
2932 
2933 	drm_mode_config_cleanup(adev->ddev);
2934 	adev->mode_info.mode_config_initialized = false;
2935 
2936 	return 0;
2937 }
2938 
2939 static int dce_v11_0_hw_init(void *handle)
2940 {
2941 	int i;
2942 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2943 
2944 	dce_v11_0_init_golden_registers(adev);
2945 
2946 	/* disable vga render */
2947 	dce_v11_0_set_vga_render_state(adev, false);
2948 	/* init dig PHYs, disp eng pll */
2949 	amdgpu_atombios_crtc_powergate_init(adev);
2950 	amdgpu_atombios_encoder_init_dig(adev);
2951 	if ((adev->asic_type == CHIP_POLARIS10) ||
2952 	    (adev->asic_type == CHIP_POLARIS11) ||
2953 	    (adev->asic_type == CHIP_POLARIS12) ||
2954 	    (adev->asic_type == CHIP_VEGAM)) {
2955 		amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
2956 						   DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
2957 		amdgpu_atombios_crtc_set_dce_clock(adev, 0,
2958 						   DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
2959 	} else {
2960 		amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2961 	}
2962 
2963 	/* initialize hpd */
2964 	dce_v11_0_hpd_init(adev);
2965 
2966 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2967 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2968 	}
2969 
2970 	dce_v11_0_pageflip_interrupt_init(adev);
2971 
2972 	return 0;
2973 }
2974 
2975 static int dce_v11_0_hw_fini(void *handle)
2976 {
2977 	int i;
2978 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2979 
2980 	dce_v11_0_hpd_fini(adev);
2981 
2982 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2983 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2984 	}
2985 
2986 	dce_v11_0_pageflip_interrupt_fini(adev);
2987 
2988 	return 0;
2989 }
2990 
2991 static int dce_v11_0_suspend(void *handle)
2992 {
2993 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2994 
2995 	adev->mode_info.bl_level =
2996 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2997 
2998 	return dce_v11_0_hw_fini(handle);
2999 }
3000 
3001 static int dce_v11_0_resume(void *handle)
3002 {
3003 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3004 	int ret;
3005 
3006 	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3007 							   adev->mode_info.bl_level);
3008 
3009 	ret = dce_v11_0_hw_init(handle);
3010 
3011 	/* turn on the BL */
3012 	if (adev->mode_info.bl_encoder) {
3013 		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3014 								  adev->mode_info.bl_encoder);
3015 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3016 						    bl_level);
3017 	}
3018 
3019 	return ret;
3020 }
3021 
3022 static bool dce_v11_0_is_idle(void *handle)
3023 {
3024 	return true;
3025 }
3026 
3027 static int dce_v11_0_wait_for_idle(void *handle)
3028 {
3029 	return 0;
3030 }
3031 
3032 static int dce_v11_0_soft_reset(void *handle)
3033 {
3034 	u32 srbm_soft_reset = 0, tmp;
3035 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3036 
3037 	if (dce_v11_0_is_display_hung(adev))
3038 		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3039 
3040 	if (srbm_soft_reset) {
3041 		tmp = RREG32(mmSRBM_SOFT_RESET);
3042 		tmp |= srbm_soft_reset;
3043 		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3044 		WREG32(mmSRBM_SOFT_RESET, tmp);
3045 		tmp = RREG32(mmSRBM_SOFT_RESET);
3046 
3047 		udelay(50);
3048 
3049 		tmp &= ~srbm_soft_reset;
3050 		WREG32(mmSRBM_SOFT_RESET, tmp);
3051 		tmp = RREG32(mmSRBM_SOFT_RESET);
3052 
3053 		/* Wait a little for things to settle down */
3054 		udelay(50);
3055 	}
3056 	return 0;
3057 }
3058 
3059 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3060 						     int crtc,
3061 						     enum amdgpu_interrupt_state state)
3062 {
3063 	u32 lb_interrupt_mask;
3064 
3065 	if (crtc >= adev->mode_info.num_crtc) {
3066 		DRM_DEBUG("invalid crtc %d\n", crtc);
3067 		return;
3068 	}
3069 
3070 	switch (state) {
3071 	case AMDGPU_IRQ_STATE_DISABLE:
3072 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3073 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3074 						  VBLANK_INTERRUPT_MASK, 0);
3075 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3076 		break;
3077 	case AMDGPU_IRQ_STATE_ENABLE:
3078 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3079 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3080 						  VBLANK_INTERRUPT_MASK, 1);
3081 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3082 		break;
3083 	default:
3084 		break;
3085 	}
3086 }
3087 
3088 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3089 						    int crtc,
3090 						    enum amdgpu_interrupt_state state)
3091 {
3092 	u32 lb_interrupt_mask;
3093 
3094 	if (crtc >= adev->mode_info.num_crtc) {
3095 		DRM_DEBUG("invalid crtc %d\n", crtc);
3096 		return;
3097 	}
3098 
3099 	switch (state) {
3100 	case AMDGPU_IRQ_STATE_DISABLE:
3101 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3102 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3103 						  VLINE_INTERRUPT_MASK, 0);
3104 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3105 		break;
3106 	case AMDGPU_IRQ_STATE_ENABLE:
3107 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3108 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3109 						  VLINE_INTERRUPT_MASK, 1);
3110 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3111 		break;
3112 	default:
3113 		break;
3114 	}
3115 }
3116 
3117 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3118 					struct amdgpu_irq_src *source,
3119 					unsigned hpd,
3120 					enum amdgpu_interrupt_state state)
3121 {
3122 	u32 tmp;
3123 
3124 	if (hpd >= adev->mode_info.num_hpd) {
3125 		DRM_DEBUG("invalid hdp %d\n", hpd);
3126 		return 0;
3127 	}
3128 
3129 	switch (state) {
3130 	case AMDGPU_IRQ_STATE_DISABLE:
3131 		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3132 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3133 		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3134 		break;
3135 	case AMDGPU_IRQ_STATE_ENABLE:
3136 		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3137 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3138 		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3139 		break;
3140 	default:
3141 		break;
3142 	}
3143 
3144 	return 0;
3145 }
3146 
3147 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3148 					struct amdgpu_irq_src *source,
3149 					unsigned type,
3150 					enum amdgpu_interrupt_state state)
3151 {
3152 	switch (type) {
3153 	case AMDGPU_CRTC_IRQ_VBLANK1:
3154 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3155 		break;
3156 	case AMDGPU_CRTC_IRQ_VBLANK2:
3157 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3158 		break;
3159 	case AMDGPU_CRTC_IRQ_VBLANK3:
3160 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3161 		break;
3162 	case AMDGPU_CRTC_IRQ_VBLANK4:
3163 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3164 		break;
3165 	case AMDGPU_CRTC_IRQ_VBLANK5:
3166 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3167 		break;
3168 	case AMDGPU_CRTC_IRQ_VBLANK6:
3169 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3170 		break;
3171 	case AMDGPU_CRTC_IRQ_VLINE1:
3172 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3173 		break;
3174 	case AMDGPU_CRTC_IRQ_VLINE2:
3175 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3176 		break;
3177 	case AMDGPU_CRTC_IRQ_VLINE3:
3178 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3179 		break;
3180 	case AMDGPU_CRTC_IRQ_VLINE4:
3181 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3182 		break;
3183 	case AMDGPU_CRTC_IRQ_VLINE5:
3184 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3185 		break;
3186 	 case AMDGPU_CRTC_IRQ_VLINE6:
3187 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3188 		break;
3189 	default:
3190 		break;
3191 	}
3192 	return 0;
3193 }
3194 
3195 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3196 					    struct amdgpu_irq_src *src,
3197 					    unsigned type,
3198 					    enum amdgpu_interrupt_state state)
3199 {
3200 	u32 reg;
3201 
3202 	if (type >= adev->mode_info.num_crtc) {
3203 		DRM_ERROR("invalid pageflip crtc %d\n", type);
3204 		return -EINVAL;
3205 	}
3206 
3207 	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3208 	if (state == AMDGPU_IRQ_STATE_DISABLE)
3209 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3210 		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3211 	else
3212 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3213 		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3214 
3215 	return 0;
3216 }
3217 
3218 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3219 				  struct amdgpu_irq_src *source,
3220 				  struct amdgpu_iv_entry *entry)
3221 {
3222 	unsigned long flags;
3223 	unsigned crtc_id;
3224 	struct amdgpu_crtc *amdgpu_crtc;
3225 	struct amdgpu_flip_work *works;
3226 
3227 	crtc_id = (entry->src_id - 8) >> 1;
3228 	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3229 
3230 	if (crtc_id >= adev->mode_info.num_crtc) {
3231 		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3232 		return -EINVAL;
3233 	}
3234 
3235 	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3236 	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3237 		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3238 		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3239 
3240 	/* IRQ could occur when in initial stage */
3241 	if(amdgpu_crtc == NULL)
3242 		return 0;
3243 
3244 	spin_lock_irqsave(&adev->ddev->event_lock, flags);
3245 	works = amdgpu_crtc->pflip_works;
3246 	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3247 		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3248 						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3249 						 amdgpu_crtc->pflip_status,
3250 						 AMDGPU_FLIP_SUBMITTED);
3251 		spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3252 		return 0;
3253 	}
3254 
3255 	/* page flip completed. clean up */
3256 	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3257 	amdgpu_crtc->pflip_works = NULL;
3258 
3259 	/* wakeup usersapce */
3260 	if(works->event)
3261 		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3262 
3263 	spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3264 
3265 	drm_crtc_vblank_put(&amdgpu_crtc->base);
3266 	schedule_work(&works->unpin_work);
3267 
3268 	return 0;
3269 }
3270 
3271 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3272 				  int hpd)
3273 {
3274 	u32 tmp;
3275 
3276 	if (hpd >= adev->mode_info.num_hpd) {
3277 		DRM_DEBUG("invalid hdp %d\n", hpd);
3278 		return;
3279 	}
3280 
3281 	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3282 	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3283 	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3284 }
3285 
3286 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3287 					  int crtc)
3288 {
3289 	u32 tmp;
3290 
3291 	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3292 		DRM_DEBUG("invalid crtc %d\n", crtc);
3293 		return;
3294 	}
3295 
3296 	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3297 	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3298 	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3299 }
3300 
3301 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3302 					 int crtc)
3303 {
3304 	u32 tmp;
3305 
3306 	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3307 		DRM_DEBUG("invalid crtc %d\n", crtc);
3308 		return;
3309 	}
3310 
3311 	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3312 	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3313 	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3314 }
3315 
3316 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3317 				struct amdgpu_irq_src *source,
3318 				struct amdgpu_iv_entry *entry)
3319 {
3320 	unsigned crtc = entry->src_id - 1;
3321 	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3322 	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3323 								    crtc);
3324 
3325 	switch (entry->src_data[0]) {
3326 	case 0: /* vblank */
3327 		if (disp_int & interrupt_status_offsets[crtc].vblank)
3328 			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3329 		else
3330 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3331 
3332 		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3333 			drm_handle_vblank(adev->ddev, crtc);
3334 		}
3335 		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3336 
3337 		break;
3338 	case 1: /* vline */
3339 		if (disp_int & interrupt_status_offsets[crtc].vline)
3340 			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3341 		else
3342 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3343 
3344 		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3345 
3346 		break;
3347 	default:
3348 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3349 		break;
3350 	}
3351 
3352 	return 0;
3353 }
3354 
3355 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3356 			     struct amdgpu_irq_src *source,
3357 			     struct amdgpu_iv_entry *entry)
3358 {
3359 	uint32_t disp_int, mask;
3360 	unsigned hpd;
3361 
3362 	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3363 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3364 		return 0;
3365 	}
3366 
3367 	hpd = entry->src_data[0];
3368 	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3369 	mask = interrupt_status_offsets[hpd].hpd;
3370 
3371 	if (disp_int & mask) {
3372 		dce_v11_0_hpd_int_ack(adev, hpd);
3373 		schedule_work(&adev->hotplug_work);
3374 		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3375 	}
3376 
3377 	return 0;
3378 }
3379 
3380 static int dce_v11_0_set_clockgating_state(void *handle,
3381 					  enum amd_clockgating_state state)
3382 {
3383 	return 0;
3384 }
3385 
3386 static int dce_v11_0_set_powergating_state(void *handle,
3387 					  enum amd_powergating_state state)
3388 {
3389 	return 0;
3390 }
3391 
3392 static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3393 	.name = "dce_v11_0",
3394 	.early_init = dce_v11_0_early_init,
3395 	.late_init = NULL,
3396 	.sw_init = dce_v11_0_sw_init,
3397 	.sw_fini = dce_v11_0_sw_fini,
3398 	.hw_init = dce_v11_0_hw_init,
3399 	.hw_fini = dce_v11_0_hw_fini,
3400 	.suspend = dce_v11_0_suspend,
3401 	.resume = dce_v11_0_resume,
3402 	.is_idle = dce_v11_0_is_idle,
3403 	.wait_for_idle = dce_v11_0_wait_for_idle,
3404 	.soft_reset = dce_v11_0_soft_reset,
3405 	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3406 	.set_powergating_state = dce_v11_0_set_powergating_state,
3407 };
3408 
3409 static void
3410 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3411 			  struct drm_display_mode *mode,
3412 			  struct drm_display_mode *adjusted_mode)
3413 {
3414 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3415 
3416 	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3417 
3418 	/* need to call this here rather than in prepare() since we need some crtc info */
3419 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3420 
3421 	/* set scaler clears this on some chips */
3422 	dce_v11_0_set_interleave(encoder->crtc, mode);
3423 
3424 	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3425 		dce_v11_0_afmt_enable(encoder, true);
3426 		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3427 	}
3428 }
3429 
3430 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3431 {
3432 	struct amdgpu_device *adev = encoder->dev->dev_private;
3433 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3434 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3435 
3436 	if ((amdgpu_encoder->active_device &
3437 	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3438 	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3439 	     ENCODER_OBJECT_ID_NONE)) {
3440 		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3441 		if (dig) {
3442 			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3443 			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3444 				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3445 		}
3446 	}
3447 
3448 	amdgpu_atombios_scratch_regs_lock(adev, true);
3449 
3450 	if (connector) {
3451 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3452 
3453 		/* select the clock/data port if it uses a router */
3454 		if (amdgpu_connector->router.cd_valid)
3455 			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3456 
3457 		/* turn eDP panel on for mode set */
3458 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3459 			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3460 							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3461 	}
3462 
3463 	/* this is needed for the pll/ss setup to work correctly in some cases */
3464 	amdgpu_atombios_encoder_set_crtc_source(encoder);
3465 	/* set up the FMT blocks */
3466 	dce_v11_0_program_fmt(encoder);
3467 }
3468 
3469 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3470 {
3471 	struct drm_device *dev = encoder->dev;
3472 	struct amdgpu_device *adev = dev->dev_private;
3473 
3474 	/* need to call this here as we need the crtc set up */
3475 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3476 	amdgpu_atombios_scratch_regs_lock(adev, false);
3477 }
3478 
3479 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3480 {
3481 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3482 	struct amdgpu_encoder_atom_dig *dig;
3483 
3484 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3485 
3486 	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3487 		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3488 			dce_v11_0_afmt_enable(encoder, false);
3489 		dig = amdgpu_encoder->enc_priv;
3490 		dig->dig_encoder = -1;
3491 	}
3492 	amdgpu_encoder->active_device = 0;
3493 }
3494 
3495 /* these are handled by the primary encoders */
3496 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3497 {
3498 
3499 }
3500 
3501 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3502 {
3503 
3504 }
3505 
3506 static void
3507 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3508 		      struct drm_display_mode *mode,
3509 		      struct drm_display_mode *adjusted_mode)
3510 {
3511 
3512 }
3513 
3514 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3515 {
3516 
3517 }
3518 
3519 static void
3520 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3521 {
3522 
3523 }
3524 
3525 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3526 	.dpms = dce_v11_0_ext_dpms,
3527 	.prepare = dce_v11_0_ext_prepare,
3528 	.mode_set = dce_v11_0_ext_mode_set,
3529 	.commit = dce_v11_0_ext_commit,
3530 	.disable = dce_v11_0_ext_disable,
3531 	/* no detect for TMDS/LVDS yet */
3532 };
3533 
3534 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3535 	.dpms = amdgpu_atombios_encoder_dpms,
3536 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3537 	.prepare = dce_v11_0_encoder_prepare,
3538 	.mode_set = dce_v11_0_encoder_mode_set,
3539 	.commit = dce_v11_0_encoder_commit,
3540 	.disable = dce_v11_0_encoder_disable,
3541 	.detect = amdgpu_atombios_encoder_dig_detect,
3542 };
3543 
3544 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3545 	.dpms = amdgpu_atombios_encoder_dpms,
3546 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3547 	.prepare = dce_v11_0_encoder_prepare,
3548 	.mode_set = dce_v11_0_encoder_mode_set,
3549 	.commit = dce_v11_0_encoder_commit,
3550 	.detect = amdgpu_atombios_encoder_dac_detect,
3551 };
3552 
3553 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3554 {
3555 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3556 	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3557 		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3558 	kfree(amdgpu_encoder->enc_priv);
3559 	drm_encoder_cleanup(encoder);
3560 	kfree(amdgpu_encoder);
3561 }
3562 
3563 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3564 	.destroy = dce_v11_0_encoder_destroy,
3565 };
3566 
3567 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3568 				 uint32_t encoder_enum,
3569 				 uint32_t supported_device,
3570 				 u16 caps)
3571 {
3572 	struct drm_device *dev = adev->ddev;
3573 	struct drm_encoder *encoder;
3574 	struct amdgpu_encoder *amdgpu_encoder;
3575 
3576 	/* see if we already added it */
3577 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3578 		amdgpu_encoder = to_amdgpu_encoder(encoder);
3579 		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3580 			amdgpu_encoder->devices |= supported_device;
3581 			return;
3582 		}
3583 
3584 	}
3585 
3586 	/* add a new one */
3587 	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3588 	if (!amdgpu_encoder)
3589 		return;
3590 
3591 	encoder = &amdgpu_encoder->base;
3592 	switch (adev->mode_info.num_crtc) {
3593 	case 1:
3594 		encoder->possible_crtcs = 0x1;
3595 		break;
3596 	case 2:
3597 	default:
3598 		encoder->possible_crtcs = 0x3;
3599 		break;
3600 	case 3:
3601 		encoder->possible_crtcs = 0x7;
3602 		break;
3603 	case 4:
3604 		encoder->possible_crtcs = 0xf;
3605 		break;
3606 	case 5:
3607 		encoder->possible_crtcs = 0x1f;
3608 		break;
3609 	case 6:
3610 		encoder->possible_crtcs = 0x3f;
3611 		break;
3612 	}
3613 
3614 	amdgpu_encoder->enc_priv = NULL;
3615 
3616 	amdgpu_encoder->encoder_enum = encoder_enum;
3617 	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3618 	amdgpu_encoder->devices = supported_device;
3619 	amdgpu_encoder->rmx_type = RMX_OFF;
3620 	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3621 	amdgpu_encoder->is_ext_encoder = false;
3622 	amdgpu_encoder->caps = caps;
3623 
3624 	switch (amdgpu_encoder->encoder_id) {
3625 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3626 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3627 		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3628 				 DRM_MODE_ENCODER_DAC, NULL);
3629 		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3630 		break;
3631 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3632 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3633 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3634 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3635 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3636 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3637 			amdgpu_encoder->rmx_type = RMX_FULL;
3638 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3639 					 DRM_MODE_ENCODER_LVDS, NULL);
3640 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3641 		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3642 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3643 					 DRM_MODE_ENCODER_DAC, NULL);
3644 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3645 		} else {
3646 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3647 					 DRM_MODE_ENCODER_TMDS, NULL);
3648 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3649 		}
3650 		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3651 		break;
3652 	case ENCODER_OBJECT_ID_SI170B:
3653 	case ENCODER_OBJECT_ID_CH7303:
3654 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3655 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3656 	case ENCODER_OBJECT_ID_TITFP513:
3657 	case ENCODER_OBJECT_ID_VT1623:
3658 	case ENCODER_OBJECT_ID_HDMI_SI1930:
3659 	case ENCODER_OBJECT_ID_TRAVIS:
3660 	case ENCODER_OBJECT_ID_NUTMEG:
3661 		/* these are handled by the primary encoders */
3662 		amdgpu_encoder->is_ext_encoder = true;
3663 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3664 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3665 					 DRM_MODE_ENCODER_LVDS, NULL);
3666 		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3667 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3668 					 DRM_MODE_ENCODER_DAC, NULL);
3669 		else
3670 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3671 					 DRM_MODE_ENCODER_TMDS, NULL);
3672 		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3673 		break;
3674 	}
3675 }
3676 
3677 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3678 	.bandwidth_update = &dce_v11_0_bandwidth_update,
3679 	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
3680 	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3681 	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3682 	.hpd_sense = &dce_v11_0_hpd_sense,
3683 	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3684 	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3685 	.page_flip = &dce_v11_0_page_flip,
3686 	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3687 	.add_encoder = &dce_v11_0_encoder_add,
3688 	.add_connector = &amdgpu_connector_add,
3689 };
3690 
3691 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3692 {
3693 	if (adev->mode_info.funcs == NULL)
3694 		adev->mode_info.funcs = &dce_v11_0_display_funcs;
3695 }
3696 
3697 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3698 	.set = dce_v11_0_set_crtc_irq_state,
3699 	.process = dce_v11_0_crtc_irq,
3700 };
3701 
3702 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3703 	.set = dce_v11_0_set_pageflip_irq_state,
3704 	.process = dce_v11_0_pageflip_irq,
3705 };
3706 
3707 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3708 	.set = dce_v11_0_set_hpd_irq_state,
3709 	.process = dce_v11_0_hpd_irq,
3710 };
3711 
3712 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3713 {
3714 	if (adev->mode_info.num_crtc > 0)
3715 		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3716 	else
3717 		adev->crtc_irq.num_types = 0;
3718 	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3719 
3720 	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3721 	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3722 
3723 	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3724 	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3725 }
3726 
3727 const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3728 {
3729 	.type = AMD_IP_BLOCK_TYPE_DCE,
3730 	.major = 11,
3731 	.minor = 0,
3732 	.rev = 0,
3733 	.funcs = &dce_v11_0_ip_funcs,
3734 };
3735 
3736 const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3737 {
3738 	.type = AMD_IP_BLOCK_TYPE_DCE,
3739 	.major = 11,
3740 	.minor = 2,
3741 	.rev = 0,
3742 	.funcs = &dce_v11_0_ip_funcs,
3743 };
3744