1# SPDX-License-Identifier: GPL-2.0-only
2#
3# Drm device configuration
4#
5# This driver provides support for the
6# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
7#
8menuconfig DRM
9	tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
10	depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && HAS_DMA
11	select DRM_PANEL_ORIENTATION_QUIRKS
12	select HDMI
13	select FB_CMDLINE
14	select I2C
15	select I2C_ALGOBIT
16	select DMA_SHARED_BUFFER
17	select SYNC_FILE
18# gallium uses SYS_kcmp for os_same_file_description() to de-duplicate
19# device and dmabuf fd. Let's make sure that is available for our userspace.
20	select KCMP
21	help
22	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
23	  introduced in XFree86 4.0. If you say Y here, you need to select
24	  the module that's right for your graphics card from the list below.
25	  These modules provide support for synchronization, security, and
26	  DMA transfers. Please see <http://dri.sourceforge.net/> for more
27	  details.  You should also select and configure AGP
28	  (/dev/agpgart) support if it is available for your platform.
29
30config DRM_MIPI_DBI
31	tristate
32	depends on DRM
33
34config DRM_MIPI_DSI
35	bool
36	depends on DRM
37
38config DRM_DP_AUX_CHARDEV
39	bool "DRM DP AUX Interface"
40	depends on DRM
41	help
42	  Choose this option to enable a /dev/drm_dp_auxN node that allows to
43	  read and write values to arbitrary DPCD registers on the DP aux
44	  channel.
45
46config DRM_DEBUG_MM
47	bool "Insert extra checks and debug info into the DRM range managers"
48	default n
49	depends on DRM=y
50	depends on STACKTRACE_SUPPORT
51	select STACKDEPOT
52	help
53	  Enable allocation tracking of memory manager and leak detection on
54	  shutdown.
55
56	  Recommended for driver developers only.
57
58	  If in doubt, say "N".
59
60config DRM_DEBUG_SELFTEST
61	tristate "kselftests for DRM"
62	depends on DRM
63	depends on DEBUG_KERNEL
64	select PRIME_NUMBERS
65	select DRM_LIB_RANDOM
66	select DRM_KMS_HELPER
67	select DRM_EXPORT_FOR_TESTS if m
68	default n
69	help
70	  This option provides kernel modules that can be used to run
71	  various selftests on parts of the DRM api. This option is not
72	  useful for distributions or general kernels, but only for kernel
73	  developers working on DRM and associated drivers.
74
75	  If in doubt, say "N".
76
77config DRM_KMS_HELPER
78	tristate
79	depends on DRM
80	help
81	  CRTC helpers for KMS drivers.
82
83config DRM_KMS_FB_HELPER
84	bool
85	depends on DRM_KMS_HELPER
86	select FB
87	select FRAMEBUFFER_CONSOLE if !EXPERT
88	select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
89	select FB_SYS_FOPS
90	select FB_SYS_FILLRECT
91	select FB_SYS_COPYAREA
92	select FB_SYS_IMAGEBLIT
93	select FB_CFB_FILLRECT
94	select FB_CFB_COPYAREA
95	select FB_CFB_IMAGEBLIT
96	select FB_DEFERRED_IO
97	help
98	  FBDEV helpers for KMS drivers.
99
100config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
101        bool "Enable refcount backtrace history in the DP MST helpers"
102	depends on STACKTRACE_SUPPORT
103        select STACKDEPOT
104        depends on DRM_KMS_HELPER
105        depends on DEBUG_KERNEL
106        depends on EXPERT
107        help
108          Enables debug tracing for topology refs in DRM's DP MST helpers. A
109          history of each topology reference/dereference will be printed to the
110          kernel log once a port or branch device's topology refcount reaches 0.
111
112          This has the potential to use a lot of memory and print some very
113          large kernel messages. If in doubt, say "N".
114
115config DRM_FBDEV_EMULATION
116	bool "Enable legacy fbdev support for your modesetting driver"
117	depends on DRM
118	select DRM_KMS_HELPER
119	select DRM_KMS_FB_HELPER
120	default y
121	help
122	  Choose this option if you have a need for the legacy fbdev
123	  support. Note that this support also provides the linux console
124	  support on top of your modesetting driver.
125
126	  If in doubt, say "Y".
127
128config DRM_FBDEV_OVERALLOC
129	int "Overallocation of the fbdev buffer"
130	depends on DRM_FBDEV_EMULATION
131	default 100
132	help
133	  Defines the fbdev buffer overallocation in percent. Default
134	  is 100. Typical values for double buffering will be 200,
135	  triple buffering 300.
136
137config DRM_FBDEV_LEAK_PHYS_SMEM
138	bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)"
139	depends on DRM_FBDEV_EMULATION && EXPERT
140	default n
141	help
142	  In order to keep user-space compatibility, we want in certain
143	  use-cases to keep leaking the fbdev physical address to the
144	  user-space program handling the fbdev buffer.
145	  This affects, not only, Amlogic, Allwinner or Rockchip devices
146	  with ARM Mali GPUs using an userspace Blob.
147	  This option is not supported by upstream developers and should be
148	  removed as soon as possible and be considered as a broken and
149	  legacy behaviour from a modern fbdev device driver.
150
151	  Please send any bug reports when using this to your proprietary
152	  software vendor that requires this.
153
154	  If in doubt, say "N" or spread the word to your closed source
155	  library vendor.
156
157config DRM_LOAD_EDID_FIRMWARE
158	bool "Allow to specify an EDID data set instead of probing for it"
159	depends on DRM
160	help
161	  Say Y here, if you want to use EDID data to be loaded from the
162	  /lib/firmware directory or one of the provided built-in
163	  data sets. This may be necessary, if the graphics adapter or
164	  monitor are unable to provide appropriate EDID data. Since this
165	  feature is provided as a workaround for broken hardware, the
166	  default case is N. Details and instructions how to build your own
167	  EDID data are given in Documentation/admin-guide/edid.rst.
168
169config DRM_DP_CEC
170	bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
171	depends on DRM
172	select CEC_CORE
173	help
174	  Choose this option if you want to enable HDMI CEC support for
175	  DisplayPort/USB-C to HDMI adapters.
176
177	  Note: not all adapters support this feature, and even for those
178	  that do support this they often do not hook up the CEC pin.
179
180config DRM_TTM
181	tristate
182	depends on DRM && MMU
183	help
184	  GPU memory management subsystem for devices with multiple
185	  GPU memory types. Will be enabled automatically if a device driver
186	  uses it.
187
188config DRM_VRAM_HELPER
189	tristate
190	depends on DRM
191	help
192	  Helpers for VRAM memory management
193
194config DRM_TTM_HELPER
195	tristate
196	depends on DRM
197	select DRM_TTM
198	help
199	  Helpers for ttm-based gem objects
200
201config DRM_GEM_CMA_HELPER
202	bool
203	depends on DRM
204	help
205	  Choose this if you need the GEM CMA helper functions
206
207config DRM_KMS_CMA_HELPER
208	bool
209	depends on DRM
210	select DRM_GEM_CMA_HELPER
211	help
212	  Choose this if you need the KMS CMA helper functions
213
214config DRM_GEM_SHMEM_HELPER
215	bool
216	depends on DRM
217	help
218	  Choose this if you need the GEM shmem helper functions
219
220config DRM_SCHED
221	tristate
222	depends on DRM
223
224source "drivers/gpu/drm/i2c/Kconfig"
225
226source "drivers/gpu/drm/arm/Kconfig"
227
228config DRM_RADEON
229	tristate "ATI Radeon"
230	depends on DRM && PCI && MMU
231	depends on AGP || !AGP
232	select FW_LOADER
233        select DRM_KMS_HELPER
234        select DRM_TTM
235	select DRM_TTM_HELPER
236	select POWER_SUPPLY
237	select HWMON
238	select BACKLIGHT_CLASS_DEVICE
239	select INTERVAL_TREE
240	help
241	  Choose this option if you have an ATI Radeon graphics card.  There
242	  are both PCI and AGP versions.  You don't need to choose this to
243	  run the Radeon in plain VGA mode.
244
245	  If M is selected, the module will be called radeon.
246
247source "drivers/gpu/drm/radeon/Kconfig"
248
249config DRM_AMDGPU
250	tristate "AMD GPU"
251	depends on DRM && PCI && MMU
252	select FW_LOADER
253	select DRM_KMS_HELPER
254	select DRM_SCHED
255	select DRM_TTM
256	select DRM_TTM_HELPER
257	select POWER_SUPPLY
258	select HWMON
259	select BACKLIGHT_CLASS_DEVICE
260	select INTERVAL_TREE
261	select CHASH
262	help
263	  Choose this option if you have a recent AMD Radeon graphics card.
264
265	  If M is selected, the module will be called amdgpu.
266
267source "drivers/gpu/drm/amd/amdgpu/Kconfig"
268
269source "drivers/gpu/drm/nouveau/Kconfig"
270
271source "drivers/gpu/drm/i915/Kconfig"
272
273source "drivers/gpu/drm/kmb/Kconfig"
274
275config DRM_VGEM
276	tristate "Virtual GEM provider"
277	depends on DRM
278	help
279	  Choose this option to get a virtual graphics memory manager,
280	  as used by Mesa's software renderer for enhanced performance.
281	  If M is selected the module will be called vgem.
282
283config DRM_VKMS
284	tristate "Virtual KMS (EXPERIMENTAL)"
285	depends on DRM
286	select DRM_KMS_HELPER
287	select DRM_GEM_SHMEM_HELPER
288	select CRC32
289	default n
290	help
291	  Virtual Kernel Mode-Setting (VKMS) is used for testing or for
292	  running GPU in a headless machines. Choose this option to get
293	  a VKMS.
294
295	  If M is selected the module will be called vkms.
296
297source "drivers/gpu/drm/exynos/Kconfig"
298
299source "drivers/gpu/drm/rockchip/Kconfig"
300
301source "drivers/gpu/drm/vmwgfx/Kconfig"
302
303source "drivers/gpu/drm/gma500/Kconfig"
304
305source "drivers/gpu/drm/udl/Kconfig"
306
307source "drivers/gpu/drm/ast/Kconfig"
308
309source "drivers/gpu/drm/mgag200/Kconfig"
310
311source "drivers/gpu/drm/armada/Kconfig"
312
313source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
314
315source "drivers/gpu/drm/rcar-du/Kconfig"
316
317source "drivers/gpu/drm/shmobile/Kconfig"
318
319source "drivers/gpu/drm/sun4i/Kconfig"
320
321source "drivers/gpu/drm/omapdrm/Kconfig"
322
323source "drivers/gpu/drm/tilcdc/Kconfig"
324
325source "drivers/gpu/drm/qxl/Kconfig"
326
327source "drivers/gpu/drm/bochs/Kconfig"
328
329source "drivers/gpu/drm/virtio/Kconfig"
330
331source "drivers/gpu/drm/msm/Kconfig"
332
333source "drivers/gpu/drm/fsl-dcu/Kconfig"
334
335source "drivers/gpu/drm/tegra/Kconfig"
336
337source "drivers/gpu/drm/stm/Kconfig"
338
339source "drivers/gpu/drm/panel/Kconfig"
340
341source "drivers/gpu/drm/bridge/Kconfig"
342
343source "drivers/gpu/drm/sti/Kconfig"
344
345source "drivers/gpu/drm/imx/Kconfig"
346
347source "drivers/gpu/drm/ingenic/Kconfig"
348
349source "drivers/gpu/drm/v3d/Kconfig"
350
351source "drivers/gpu/drm/vc4/Kconfig"
352
353source "drivers/gpu/drm/etnaviv/Kconfig"
354
355source "drivers/gpu/drm/hisilicon/Kconfig"
356
357source "drivers/gpu/drm/mediatek/Kconfig"
358
359source "drivers/gpu/drm/zte/Kconfig"
360
361source "drivers/gpu/drm/mxsfb/Kconfig"
362
363source "drivers/gpu/drm/meson/Kconfig"
364
365source "drivers/gpu/drm/tiny/Kconfig"
366
367source "drivers/gpu/drm/pl111/Kconfig"
368
369source "drivers/gpu/drm/tve200/Kconfig"
370
371source "drivers/gpu/drm/xen/Kconfig"
372
373source "drivers/gpu/drm/vboxvideo/Kconfig"
374
375source "drivers/gpu/drm/lima/Kconfig"
376
377source "drivers/gpu/drm/panfrost/Kconfig"
378
379source "drivers/gpu/drm/aspeed/Kconfig"
380
381source "drivers/gpu/drm/mcde/Kconfig"
382
383source "drivers/gpu/drm/tidss/Kconfig"
384
385source "drivers/gpu/drm/xlnx/Kconfig"
386
387source "drivers/gpu/drm/gud/Kconfig"
388
389# Keep legacy drivers last
390
391menuconfig DRM_LEGACY
392	bool "Enable legacy drivers (DANGEROUS)"
393	depends on DRM && MMU
394	help
395	  Enable legacy DRI1 drivers. Those drivers expose unsafe and dangerous
396	  APIs to user-space, which can be used to circumvent access
397	  restrictions and other security measures. For backwards compatibility
398	  those drivers are still available, but their use is highly
399	  inadvisable and might harm your system.
400
401	  You are recommended to use the safe modeset-only drivers instead, and
402	  perform 3D emulation in user-space.
403
404	  Unless you have strong reasons to go rogue, say "N".
405
406if DRM_LEGACY
407
408config DRM_TDFX
409	tristate "3dfx Banshee/Voodoo3+"
410	depends on DRM && PCI
411	help
412	  Choose this option if you have a 3dfx Banshee or Voodoo3 (or later),
413	  graphics card.  If M is selected, the module will be called tdfx.
414
415config DRM_R128
416	tristate "ATI Rage 128"
417	depends on DRM && PCI
418	select FW_LOADER
419	help
420	  Choose this option if you have an ATI Rage 128 graphics card.  If M
421	  is selected, the module will be called r128.  AGP support for
422	  this card is strongly suggested (unless you have a PCI version).
423
424config DRM_I810
425	tristate "Intel I810"
426	# !PREEMPTION because of missing ioctl locking
427	depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN)
428	help
429	  Choose this option if you have an Intel I810 graphics card.  If M is
430	  selected, the module will be called i810.  AGP support is required
431	  for this driver to work.
432
433config DRM_MGA
434	tristate "Matrox g200/g400"
435	depends on DRM && PCI
436	select FW_LOADER
437	help
438	  Choose this option if you have a Matrox G200, G400 or G450 graphics
439	  card.  If M is selected, the module will be called mga.  AGP
440	  support is required for this driver to work.
441
442config DRM_SIS
443	tristate "SiS video cards"
444	depends on DRM && AGP
445	depends on FB_SIS || FB_SIS=n
446	help
447	  Choose this option if you have a SiS 630 or compatible video
448	  chipset. If M is selected the module will be called sis. AGP
449	  support is required for this driver to work.
450
451config DRM_VIA
452	tristate "Via unichrome video cards"
453	depends on DRM && PCI
454	help
455	  Choose this option if you have a Via unichrome or compatible video
456	  chipset. If M is selected the module will be called via.
457
458config DRM_SAVAGE
459	tristate "Savage video cards"
460	depends on DRM && PCI
461	help
462	  Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
463	  chipset. If M is selected the module will be called savage.
464
465endif # DRM_LEGACY
466
467config DRM_EXPORT_FOR_TESTS
468	bool
469
470# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
471config DRM_PANEL_ORIENTATION_QUIRKS
472	tristate
473
474config DRM_LIB_RANDOM
475	bool
476	default n
477