xref: /dragonfly/sys/dev/drm/radeon/radeon_drv.c (revision fae225dc)
1 /**
2  * \file radeon_drv.c
3  * ATI Radeon driver
4  *
5  * \author Gareth Hughes <gareth@valinux.com>
6  */
7 
8 /*
9  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10  * All Rights Reserved.
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a
13  * copy of this software and associated documentation files (the "Software"),
14  * to deal in the Software without restriction, including without limitation
15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16  * and/or sell copies of the Software, and to permit persons to whom the
17  * Software is furnished to do so, subject to the following conditions:
18  *
19  * The above copyright notice and this permission notice (including the next
20  * paragraph) shall be included in all copies or substantial portions of the
21  * Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
26  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29  * OTHER DEALINGS IN THE SOFTWARE.
30  *
31  * $FreeBSD: head/sys/dev/drm2/radeon/radeon_drv.c 254885 2013-08-25 19:37:15Z dumbbell $
32  */
33 
34 #include <drm/drmP.h>
35 #include <uapi_drm/radeon_drm.h>
36 #include "radeon_drv.h"
37 #include "radeon_gem.h"
38 #include "radeon_kms.h"
39 #include "radeon_irq_kms.h"
40 
41 #include <drm/drm_pciids.h>
42 #include <linux/module.h>
43 #ifdef PM_TODO
44 #include <linux/pm_runtime.h>
45 #include <linux/vga_switcheroo.h>
46 #endif
47 
48 #include <drm/drm_gem.h>
49 
50 #include "drm/drm_crtc_helper.h"
51 /*
52  * KMS wrapper.
53  * - 2.0.0 - initial interface
54  * - 2.1.0 - add square tiling interface
55  * - 2.2.0 - add r6xx/r7xx const buffer support
56  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
57  * - 2.4.0 - add crtc id query
58  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
59  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
60  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
61  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
62  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
63  *   2.10.0 - fusion 2D tiling
64  *   2.11.0 - backend map, initial compute support for the CS checker
65  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
66  *   2.13.0 - virtual memory support, streamout
67  *   2.14.0 - add evergreen tiling informations
68  *   2.15.0 - add max_pipes query
69  *   2.16.0 - fix evergreen 2D tiled surface calculation
70  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
71  *   2.18.0 - r600-eg: allow "invalid" DB formats
72  *   2.19.0 - r600-eg: MSAA textures
73  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
74  *   2.21.0 - r600-r700: FMASK and CMASK
75  *   2.22.0 - r600 only: RESOLVE_BOX allowed
76  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
77  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
78  *   2.25.0 - eg+: new info request for num SE and num SH
79  *   2.26.0 - r600-eg: fix htile size computation
80  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
81  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
82  *   2.29.0 - R500 FP16 color clear registers
83  *   2.30.0 - fix for FMASK texturing
84  *   2.31.0 - Add fastfb support for rs690
85  *   2.32.0 - new info request for rings working
86  *   2.33.0 - Add SI tiling mode array query
87  *   2.34.0 - Add CIK tiling mode array query
88  *   2.35.0 - Add CIK macrotile mode array query
89  *   2.36.0 - Fix CIK DCE tiling setup
90  *   2.37.0 - allow GS ring setup on r6xx/r7xx
91  *   2.38.0 - RADEON_GEM_OP (GET_INITIAL_DOMAIN, SET_INITIAL_DOMAIN),
92  *            CIK: 1D and linear tiling modes contain valid PIPE_CONFIG
93  *   2.39.0 - Add INFO query for number of active CUs
94  *   2.40.0 - Add RADEON_GEM_GTT_WC/UC, flush HDP cache before submitting
95  *            CS to GPU on >= r600
96  *   2.41.0 - evergreen/cayman: Add SET_BASE/DRAW_INDIRECT command parsing support
97  *   2.42.0 - Add VCE/VUI (Video Usability Information) support
98  *   2.43.0 - RADEON_INFO_GPU_RESET_COUNTER
99  *   2.44.0 - SET_APPEND_CNT packet3 support
100  *   2.45.0 - Allow setting shader registers using DMA/COPY packet3 on SI
101  */
102 #define KMS_DRIVER_MAJOR	2
103 #define KMS_DRIVER_MINOR	45
104 #define KMS_DRIVER_PATCHLEVEL	0
105 int radeon_suspend_kms(struct drm_device *dev, bool suspend,
106 		       bool fbcon, bool freeze);
107 int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
108 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
109 int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
110 void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
111 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
112 				    int *max_error,
113 				    struct timeval *vblank_time,
114 				    unsigned flags);
115 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc,
116 				      unsigned int flags, int *vpos, int *hpos,
117 				      ktime_t *stime, ktime_t *etime,
118 				      const struct drm_display_mode *mode);
119 extern bool radeon_is_px(struct drm_device *dev);
120 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
121 extern int radeon_max_kms_ioctl;
122 #ifdef DUMBBELL_WIP
123 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
124 #endif /* DUMBBELL_WIP */
125 int radeon_mode_dumb_mmap(struct drm_file *filp,
126 			  struct drm_device *dev,
127 			  uint32_t handle, uint64_t *offset_p);
128 int radeon_mode_dumb_create(struct drm_file *file_priv,
129 			    struct drm_device *dev,
130 			    struct drm_mode_create_dumb *args);
131 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
132 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
133 							size_t size,
134 							struct sg_table *sg);
135 int radeon_gem_prime_pin(struct drm_gem_object *obj);
136 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
137 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
138 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
139 
140 #if defined(CONFIG_DEBUG_FS)
141 int radeon_debugfs_init(struct drm_minor *minor);
142 void radeon_debugfs_cleanup(struct drm_minor *minor);
143 #endif
144 
145 /* atpx handler */
146 #if defined(CONFIG_VGA_SWITCHEROO)
147 void radeon_register_atpx_handler(void);
148 void radeon_unregister_atpx_handler(void);
149 #else
150 static inline void radeon_register_atpx_handler(void) {}
151 static inline void radeon_unregister_atpx_handler(void) {}
152 #endif
153 
154 int radeon_no_wb;
155 int radeon_modeset = 1;
156 int radeon_dynclks = -1;
157 int radeon_r4xx_atom = 0;
158 int radeon_agpmode = 0;
159 int radeon_vram_limit = 0;
160 int radeon_gart_size = -1; /* auto */
161 int radeon_benchmarking = 0;
162 int radeon_testing = 0;
163 int radeon_connector_table = 0;
164 int radeon_tv = 1;
165 int radeon_audio = -1;
166 int radeon_disp_priority = 0;
167 int radeon_hw_i2c = 0;
168 int radeon_pcie_gen2 = -1;
169 int radeon_msi = -1;
170 int radeon_lockup_timeout = 10000;
171 int radeon_fastfb = 0;
172 int radeon_dpm = -1;
173 int radeon_aspm = -1;
174 int radeon_runtime_pm = -1;
175 int radeon_hard_reset = 0;
176 int radeon_vm_size = 8;
177 int radeon_vm_block_size = -1;
178 int radeon_deep_color = 0;
179 int radeon_use_pflipirq = 2;
180 int radeon_bapm = -1;
181 int radeon_backlight = -1;
182 int radeon_auxch = -1;
183 int radeon_uvd = 1;
184 int radeon_vce = 1;
185 
186 TUNABLE_INT("drm.radeon.no_wb", &radeon_no_wb);
187 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
188 module_param_named(no_wb, radeon_no_wb, int, 0444);
189 
190 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
191 module_param_named(modeset, radeon_modeset, int, 0400);
192 
193 TUNABLE_INT("drm.radeon.dynclks", &radeon_dynclks);
194 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
195 module_param_named(dynclks, radeon_dynclks, int, 0444);
196 
197 TUNABLE_INT("drm.radeon.r4xx_atom", &radeon_r4xx_atom);
198 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
199 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
200 
201 TUNABLE_INT("drm.radeon.vram_limit", &radeon_vram_limit);
202 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
203 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
204 
205 TUNABLE_INT("drm.radeon.agpmode", &radeon_agpmode);
206 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
207 module_param_named(agpmode, radeon_agpmode, int, 0444);
208 
209 TUNABLE_INT("drm.radeon.gart_size", &radeon_gart_size);
210 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc., -1 = auto)");
211 module_param_named(gartsize, radeon_gart_size, int, 0600);
212 
213 TUNABLE_INT("drm.radeon.benchmarking", &radeon_benchmarking);
214 MODULE_PARM_DESC(benchmark, "Run benchmark");
215 module_param_named(benchmark, radeon_benchmarking, int, 0444);
216 
217 TUNABLE_INT("drm.radeon.testing", &radeon_testing);
218 MODULE_PARM_DESC(test, "Run tests");
219 module_param_named(test, radeon_testing, int, 0444);
220 
221 TUNABLE_INT("drm.radeon.connector_table", &radeon_connector_table);
222 MODULE_PARM_DESC(connector_table, "Force connector table");
223 module_param_named(connector_table, radeon_connector_table, int, 0444);
224 
225 TUNABLE_INT("drm.radeon.tv", &radeon_tv);
226 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
227 module_param_named(tv, radeon_tv, int, 0444);
228 
229 TUNABLE_INT("drm.radeon.audio", &radeon_audio);
230 MODULE_PARM_DESC(audio, "Audio enable (-1 = auto, 0 = disable, 1 = enable)");
231 module_param_named(audio, radeon_audio, int, 0444);
232 
233 TUNABLE_INT("drm.radeon.disp_priority", &radeon_disp_priority);
234 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
235 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
236 
237 TUNABLE_INT("drm.radeon.hw_i2c", &radeon_hw_i2c);
238 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
239 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
240 
241 TUNABLE_INT("drm.radeon.pcie_gen2", &radeon_pcie_gen2);
242 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
243 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
244 
245 TUNABLE_INT("drm.radeon.msi", &radeon_msi);
246 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
247 module_param_named(msi, radeon_msi, int, 0444);
248 
249 TUNABLE_INT("drm.radeon.lockup_timeout", &radeon_lockup_timeout);
250 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
251 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
252 
253 TUNABLE_INT("drm.radeon.fastfb", &radeon_fastfb);
254 MODULE_PARM_DESC(fastfb, "Direct FB access for IGP chips (0 = disable, 1 = enable)");
255 module_param_named(fastfb, radeon_fastfb, int, 0444);
256 
257 TUNABLE_INT("drm.radeon.dpm", &radeon_dpm);
258 MODULE_PARM_DESC(dpm, "DPM support (1 = enable, 0 = disable, -1 = auto)");
259 module_param_named(dpm, radeon_dpm, int, 0444);
260 
261 TUNABLE_INT("drm.radeon.aspm", &radeon_aspm);
262 MODULE_PARM_DESC(aspm, "ASPM support (1 = enable, 0 = disable, -1 = auto)");
263 module_param_named(aspm, radeon_aspm, int, 0444);
264 
265 TUNABLE_INT("drm.radeon.runtime_pm", &radeon_runtime_pm);	/* careful with this */
266 MODULE_PARM_DESC(runpm, "PX runtime pm (1 = force enable, 0 = disable, -1 = PX only default)");
267 module_param_named(runpm, radeon_runtime_pm, int, 0444);
268 
269 TUNABLE_INT("drm.radeon.hard_reset", &radeon_hard_reset);	/* very careful with this */
270 MODULE_PARM_DESC(hard_reset, "PCI config reset (1 = force enable, 0 = disable (default))");
271 module_param_named(hard_reset, radeon_hard_reset, int, 0444);
272 
273 TUNABLE_INT("drm.radeon.vm_size", &radeon_vm_size);
274 MODULE_PARM_DESC(vm_size, "VM address space size in gigabytes (default 4GB)");
275 module_param_named(vm_size, radeon_vm_size, int, 0444);
276 
277 TUNABLE_INT("drm.radeon.vm_block_size", &radeon_vm_block_size);
278 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default depending on vm_size)");
279 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
280 
281 TUNABLE_INT("drm.radeon.deep_color", &radeon_deep_color);
282 MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
283 module_param_named(deep_color, radeon_deep_color, int, 0444);
284 
285 TUNABLE_INT("drm.radeon.use_pflipirq", &radeon_use_pflipirq);
286 MODULE_PARM_DESC(use_pflipirq, "Pflip irqs for pageflip completion (0 = disable, 1 = as fallback, 2 = exclusive (default))");
287 module_param_named(use_pflipirq, radeon_use_pflipirq, int, 0444);
288 
289 TUNABLE_INT("drm.radeon.bapm", &radeon_bapm);
290 MODULE_PARM_DESC(bapm, "BAPM support (1 = enable, 0 = disable, -1 = auto)");
291 module_param_named(bapm, radeon_bapm, int, 0444);
292 
293 TUNABLE_INT("drm.radeon.backlight", &radeon_backlight);
294 MODULE_PARM_DESC(backlight, "backlight support (1 = enable, 0 = disable, -1 = auto)");
295 module_param_named(backlight, radeon_backlight, int, 0444);
296 
297 TUNABLE_INT("drm.radeon.auxch", &radeon_auxch);
298 MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
299 module_param_named(auxch, radeon_auxch, int, 0444);
300 
301 TUNABLE_INT("drm.radeon.uvd", &radeon_uvd);
302 MODULE_PARM_DESC(uvd, "uvd enable/disable uvd support (1 = enable, 0 = disable)");
303 module_param_named(uvd, radeon_uvd, int, 0444);
304 
305 TUNABLE_INT("drm.radeon.vce", &radeon_vce);
306 MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 = disable)");
307 module_param_named(vce, radeon_vce, int, 0444);
308 
309 static drm_pci_id_list_t pciidlist[] = {
310 	radeon_PCI_IDS
311 };
312 
313 static struct drm_driver kms_driver;
314 
315 #ifdef DUMBBELL_WIP
316 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
317 {
318 	struct apertures_struct *ap;
319 	bool primary = false;
320 
321 	ap = alloc_apertures(1);
322 	if (!ap)
323 		return -ENOMEM;
324 
325 	ap->ranges[0].base = pci_resource_start(pdev, 0);
326 	ap->ranges[0].size = pci_resource_len(pdev, 0);
327 
328 #ifdef CONFIG_X86
329 	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
330 #endif
331 	remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
332 	kfree(ap);
333 
334 	return 0;
335 }
336 
337 static int radeon_pci_probe(struct pci_dev *pdev,
338 			    const struct pci_device_id *ent)
339 {
340 	int ret;
341 
342 	/* Get rid of things like offb */
343 	ret = radeon_kick_out_firmware_fb(pdev);
344 	if (ret)
345 		return ret;
346 
347 	return drm_get_pci_dev(pdev, ent, &kms_driver);
348 }
349 
350 static void
351 radeon_pci_remove(struct pci_dev *pdev)
352 {
353 	struct drm_device *dev = pci_get_drvdata(pdev);
354 
355 	drm_put_dev(dev);
356 }
357 
358 static int radeon_pmops_suspend(struct device *dev)
359 {
360 	struct pci_dev *pdev = to_pci_dev(dev);
361 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
362 	return radeon_suspend_kms(drm_dev, true, true, false);
363 }
364 
365 static int radeon_pmops_resume(struct device *dev)
366 {
367 	struct pci_dev *pdev = to_pci_dev(dev);
368 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
369 	return radeon_resume_kms(drm_dev, true, true);
370 }
371 
372 static int radeon_pmops_freeze(struct device *dev)
373 {
374 	struct pci_dev *pdev = to_pci_dev(dev);
375 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
376 	return radeon_suspend_kms(drm_dev, false, true, true);
377 }
378 
379 static int radeon_pmops_thaw(struct device *dev)
380 {
381 	struct pci_dev *pdev = to_pci_dev(dev);
382 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
383 	return radeon_resume_kms(drm_dev, false, true);
384 }
385 
386 static int radeon_pmops_runtime_suspend(struct device *dev)
387 {
388 	struct pci_dev *pdev = to_pci_dev(dev);
389 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
390 	int ret;
391 
392 	if (!radeon_is_px(drm_dev)) {
393 #ifdef PM_TODO
394 		pm_runtime_forbid(dev);
395 #endif
396 		return -EBUSY;
397 	}
398 
399 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
400 	drm_kms_helper_poll_disable(drm_dev);
401 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
402 
403 	ret = radeon_suspend_kms(drm_dev, false, false, false);
404 	pci_save_state(pdev);
405 	pci_disable_device(pdev);
406 	pci_set_power_state(pdev, PCI_D3cold);
407 	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
408 
409 	return 0;
410 }
411 
412 static int radeon_pmops_runtime_resume(struct device *dev)
413 {
414 	struct pci_dev *pdev = to_pci_dev(dev);
415 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
416 	int ret;
417 
418 	if (!radeon_is_px(drm_dev))
419 		return -EINVAL;
420 
421 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
422 
423 	pci_set_power_state(pdev, PCI_D0);
424 	pci_restore_state(pdev);
425 	ret = pci_enable_device(pdev);
426 	if (ret)
427 		return ret;
428 	pci_set_master(pdev);
429 
430 	ret = radeon_resume_kms(drm_dev, false, false);
431 	drm_kms_helper_poll_enable(drm_dev);
432 	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
433 	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
434 	return 0;
435 }
436 
437 static int radeon_pmops_runtime_idle(struct device *dev)
438 {
439 	struct pci_dev *pdev = to_pci_dev(dev);
440 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
441 	struct drm_crtc *crtc;
442 
443 	if (!radeon_is_px(drm_dev)) {
444 #ifdef PM_TODO
445 		pm_runtime_forbid(dev);
446 #endif
447 		return -EBUSY;
448 	}
449 
450 	list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
451 		if (crtc->enabled) {
452 			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
453 			return -EBUSY;
454 		}
455 	}
456 
457 	pm_runtime_mark_last_busy(dev);
458 	pm_runtime_autosuspend(dev);
459 	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
460 	return 1;
461 }
462 
463 long radeon_drm_ioctl(struct file *filp,
464 		      unsigned int cmd, unsigned long arg)
465 {
466 	struct drm_file *file_priv = filp->private_data;
467 	struct drm_device *dev;
468 	long ret;
469 	dev = file_priv->minor->dev;
470 	ret = pm_runtime_get_sync(dev->dev);
471 	if (ret < 0)
472 		return ret;
473 
474 	ret = drm_ioctl(filp, cmd, arg);
475 
476 	pm_runtime_mark_last_busy(dev->dev);
477 	pm_runtime_put_autosuspend(dev->dev);
478 	return ret;
479 }
480 
481 static const struct dev_pm_ops radeon_pm_ops = {
482 	.suspend = radeon_pmops_suspend,
483 	.resume = radeon_pmops_resume,
484 	.freeze = radeon_pmops_freeze,
485 	.thaw = radeon_pmops_thaw,
486 	.poweroff = radeon_pmops_freeze,
487 	.restore = radeon_pmops_resume,
488 	.runtime_suspend = radeon_pmops_runtime_suspend,
489 	.runtime_resume = radeon_pmops_runtime_resume,
490 	.runtime_idle = radeon_pmops_runtime_idle,
491 };
492 
493 static const struct file_operations radeon_driver_kms_fops = {
494 	.owner = THIS_MODULE,
495 	.open = drm_open,
496 	.release = drm_release,
497 	.unlocked_ioctl = radeon_drm_ioctl,
498 	.mmap = radeon_mmap,
499 	.poll = drm_poll,
500 	.read = drm_read,
501 #ifdef CONFIG_COMPAT
502 	.compat_ioctl = radeon_kms_compat_ioctl,
503 #endif
504 };
505 #endif /* DUMBBELL_WIP */
506 
507 static int radeon_sysctl_init(struct drm_device *dev, struct sysctl_ctx_list *ctx,
508 			      struct sysctl_oid *top)
509 {
510 	return drm_add_busid_modesetting(dev, ctx, top);
511 }
512 
513 static struct drm_driver kms_driver = {
514 	.driver_features =
515 	    DRIVER_USE_AGP |
516 	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
517 	    DRIVER_PRIME | DRIVER_RENDER,
518 	.load = radeon_driver_load_kms,
519 	.use_msi = radeon_msi_ok,
520 	.open = radeon_driver_open_kms,
521 	.preclose = radeon_driver_preclose_kms,
522 	.postclose = radeon_driver_postclose_kms,
523 	.lastclose = radeon_driver_lastclose_kms,
524 	.unload = radeon_driver_unload_kms,
525 	.get_vblank_counter = radeon_get_vblank_counter_kms,
526 	.enable_vblank = radeon_enable_vblank_kms,
527 	.disable_vblank = radeon_disable_vblank_kms,
528 	.get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
529 	.get_scanout_position = radeon_get_crtc_scanoutpos,
530 	.irq_preinstall = radeon_driver_irq_preinstall_kms,
531 	.irq_postinstall = radeon_driver_irq_postinstall_kms,
532 	.irq_uninstall = radeon_driver_irq_uninstall_kms,
533 	.irq_handler = radeon_driver_irq_handler_kms,
534 	.sysctl_init = radeon_sysctl_init,
535 	.ioctls = radeon_ioctls_kms,
536 	.gem_free_object = radeon_gem_object_free,
537 	.gem_open_object = radeon_gem_object_open,
538 	.gem_close_object = radeon_gem_object_close,
539 	.dumb_create = radeon_mode_dumb_create,
540 	.dumb_map_offset = radeon_mode_dumb_mmap,
541 	.dumb_destroy = drm_gem_dumb_destroy,
542 #ifdef DUMBBELL_WIP
543 	.fops = &radeon_driver_kms_fops,
544 #endif /* DUMBBELL_WIP */
545 
546 #ifdef DUMBBELL_WIP
547 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
548 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
549 	.gem_prime_export = drm_gem_prime_export,
550 	.gem_prime_import = drm_gem_prime_import,
551 	.gem_prime_pin = radeon_gem_prime_pin,
552 	.gem_prime_unpin = radeon_gem_prime_unpin,
553 	.gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
554 	.gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
555 	.gem_prime_vmap = radeon_gem_prime_vmap,
556 	.gem_prime_vunmap = radeon_gem_prime_vunmap,
557 #endif /* DUMBBELL_WIP */
558 
559 	.name = DRIVER_NAME,
560 	.desc = DRIVER_DESC,
561 	.date = DRIVER_DATE,
562 	.major = KMS_DRIVER_MAJOR,
563 	.minor = KMS_DRIVER_MINOR,
564 	.patchlevel = KMS_DRIVER_PATCHLEVEL,
565 };
566 
567 #ifdef DUMBBELL_WIP
568 static struct drm_driver *driver;
569 static struct pci_driver *pdriver;
570 
571 static struct pci_driver radeon_kms_pci_driver = {
572 	.name = DRIVER_NAME,
573 	.id_table = pciidlist,
574 	.probe = radeon_pci_probe,
575 	.remove = radeon_pci_remove,
576 	.driver.pm = &radeon_pm_ops,
577 };
578 
579 static int __init radeon_init(void)
580 {
581 	if (radeon_modeset == 1) {
582 		DRM_INFO("radeon kernel modesetting enabled.\n");
583 		driver = &kms_driver;
584 		pdriver = &radeon_kms_pci_driver;
585 		driver->driver_features |= DRIVER_MODESET;
586 		driver->num_ioctls = radeon_max_kms_ioctl;
587 		radeon_register_atpx_handler();
588 
589 	} else {
590 		DRM_ERROR("No UMS support in radeon module!\n");
591 		return -EINVAL;
592 	}
593 
594 	/* let modprobe override vga console setting */
595 	return drm_pci_init(driver, pdriver);
596 }
597 
598 static void __exit radeon_exit(void)
599 {
600 	drm_pci_exit(driver, pdriver);
601 	radeon_unregister_atpx_handler();
602 }
603 #endif /* DUMBBELL_WIP */
604 
605 /* =================================================================== */
606 
607 static int
608 radeon_probe(device_t kdev)
609 {
610 
611 	return drm_probe(kdev, pciidlist);
612 }
613 
614 static int
615 radeon_attach(device_t kdev)
616 {
617 	struct drm_device *dev;
618 
619 	dev = device_get_softc(kdev);
620 	if (radeon_modeset == 1) {
621 		kms_driver.driver_features |= DRIVER_MODESET;
622 		kms_driver.num_ioctls = radeon_max_kms_ioctl;
623 		radeon_register_atpx_handler();
624 	}
625 	dev->driver = &kms_driver;
626 	return (drm_attach(kdev, pciidlist));
627 }
628 
629 static int
630 radeon_suspend(device_t kdev)
631 {
632 	struct drm_device *dev;
633 	int ret;
634 
635 	dev = device_get_softc(kdev);
636 	ret = radeon_suspend_kms(dev, true, true, false);
637 
638 	return (-ret);
639 }
640 
641 static int
642 radeon_resume(device_t kdev)
643 {
644 	struct drm_device *dev;
645 	int ret;
646 
647 	dev = device_get_softc(kdev);
648 	ret = radeon_resume_kms(dev, true, true);
649 
650 	return (-ret);
651 }
652 
653 static device_method_t radeon_methods[] = {
654 	/* Device interface */
655 	DEVMETHOD(device_probe,		radeon_probe),
656 	DEVMETHOD(device_attach,	radeon_attach),
657 	DEVMETHOD(device_suspend,	radeon_suspend),
658 	DEVMETHOD(device_resume,	radeon_resume),
659 	DEVMETHOD(device_detach,	drm_release),
660 	DEVMETHOD_END
661 };
662 
663 static driver_t radeon_driver = {
664 	"drm",
665 	radeon_methods,
666 	sizeof(struct drm_device)
667 };
668 
669 extern devclass_t drm_devclass;
670 DRIVER_MODULE_ORDERED(radeonkms, vgapci, radeon_driver, drm_devclass,
671     NULL, NULL, SI_ORDER_ANY);
672 MODULE_DEPEND(radeonkms, drm, 1, 1, 1);
673 MODULE_DEPEND(radeonkms, agp, 1, 1, 1);
674 MODULE_DEPEND(radeonkms, iicbus, 1, 1, 1);
675 MODULE_DEPEND(radeonkms, iic, 1, 1, 1);
676 MODULE_DEPEND(radeonkms, iicbb, 1, 1, 1);
677 #ifdef CONFIG_ACPI
678 MODULE_DEPEND(radeonkms, acpi, 1, 1, 1);
679 #endif
680