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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_BUS
39	tristate
40	depends on DRM
41	depends on OF
42
43config DRM_DP_AUX_CHARDEV
44	bool "DRM DP AUX Interface"
45	depends on DRM
46	help
47	  Choose this option to enable a /dev/drm_dp_auxN node that allows to
48	  read and write values to arbitrary DPCD registers on the DP aux
49	  channel.
50
51config DRM_DEBUG_MM
52	bool "Insert extra checks and debug info into the DRM range managers"
53	default n
54	depends on DRM=y
55	depends on STACKTRACE_SUPPORT
56	select STACKDEPOT
57	help
58	  Enable allocation tracking of memory manager and leak detection on
59	  shutdown.
60
61	  Recommended for driver developers only.
62
63	  If in doubt, say "N".
64
65config DRM_DEBUG_SELFTEST
66	tristate "kselftests for DRM"
67	depends on DRM
68	depends on DEBUG_KERNEL
69	select PRIME_NUMBERS
70	select DRM_LIB_RANDOM
71	select DRM_KMS_HELPER
72	select DRM_EXPORT_FOR_TESTS if m
73	default n
74	help
75	  This option provides kernel modules that can be used to run
76	  various selftests on parts of the DRM api. This option is not
77	  useful for distributions or general kernels, but only for kernel
78	  developers working on DRM and associated drivers.
79
80	  If in doubt, say "N".
81
82config DRM_KMS_HELPER
83	tristate
84	depends on DRM
85	help
86	  CRTC helpers for KMS drivers.
87
88config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
89        bool "Enable refcount backtrace history in the DP MST helpers"
90	depends on STACKTRACE_SUPPORT
91        select STACKDEPOT
92        depends on DRM_KMS_HELPER
93        depends on DEBUG_KERNEL
94        depends on EXPERT
95        help
96          Enables debug tracing for topology refs in DRM's DP MST helpers. A
97          history of each topology reference/dereference will be printed to the
98          kernel log once a port or branch device's topology refcount reaches 0.
99
100          This has the potential to use a lot of memory and print some very
101          large kernel messages. If in doubt, say "N".
102
103config DRM_FBDEV_EMULATION
104	bool "Enable legacy fbdev support for your modesetting driver"
105	depends on DRM
106	depends on FB
107	select DRM_KMS_HELPER
108	select FB_CFB_FILLRECT
109	select FB_CFB_COPYAREA
110	select FB_CFB_IMAGEBLIT
111	select FB_DEFERRED_IO
112	select FB_SYS_FOPS
113	select FB_SYS_FILLRECT
114	select FB_SYS_COPYAREA
115	select FB_SYS_IMAGEBLIT
116	select FRAMEBUFFER_CONSOLE if !EXPERT
117	select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
118	default y
119	help
120	  Choose this option if you have a need for the legacy fbdev
121	  support. Note that this support also provides the linux console
122	  support on top of your modesetting driver.
123
124	  If in doubt, say "Y".
125
126config DRM_FBDEV_OVERALLOC
127	int "Overallocation of the fbdev buffer"
128	depends on DRM_FBDEV_EMULATION
129	default 100
130	help
131	  Defines the fbdev buffer overallocation in percent. Default
132	  is 100. Typical values for double buffering will be 200,
133	  triple buffering 300.
134
135config DRM_FBDEV_LEAK_PHYS_SMEM
136	bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)"
137	depends on DRM_FBDEV_EMULATION && EXPERT
138	default n
139	help
140	  In order to keep user-space compatibility, we want in certain
141	  use-cases to keep leaking the fbdev physical address to the
142	  user-space program handling the fbdev buffer.
143	  This affects, not only, Amlogic, Allwinner or Rockchip devices
144	  with ARM Mali GPUs using an userspace Blob.
145	  This option is not supported by upstream developers and should be
146	  removed as soon as possible and be considered as a broken and
147	  legacy behaviour from a modern fbdev device driver.
148
149	  Please send any bug reports when using this to your proprietary
150	  software vendor that requires this.
151
152	  If in doubt, say "N" or spread the word to your closed source
153	  library vendor.
154
155config DRM_LOAD_EDID_FIRMWARE
156	bool "Allow to specify an EDID data set instead of probing for it"
157	depends on DRM
158	help
159	  Say Y here, if you want to use EDID data to be loaded from the
160	  /lib/firmware directory or one of the provided built-in
161	  data sets. This may be necessary, if the graphics adapter or
162	  monitor are unable to provide appropriate EDID data. Since this
163	  feature is provided as a workaround for broken hardware, the
164	  default case is N. Details and instructions how to build your own
165	  EDID data are given in Documentation/admin-guide/edid.rst.
166
167config DRM_DP_CEC
168	bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
169	depends on DRM
170	select CEC_CORE
171	help
172	  Choose this option if you want to enable HDMI CEC support for
173	  DisplayPort/USB-C to HDMI adapters.
174
175	  Note: not all adapters support this feature, and even for those
176	  that do support this they often do not hook up the CEC pin.
177
178config DRM_TTM
179	tristate
180	depends on DRM && MMU
181	help
182	  GPU memory management subsystem for devices with multiple
183	  GPU memory types. Will be enabled automatically if a device driver
184	  uses it.
185
186config DRM_VRAM_HELPER
187	tristate
188	depends on DRM
189	help
190	  Helpers for VRAM memory management
191
192config DRM_TTM_HELPER
193	tristate
194	depends on DRM
195	select DRM_TTM
196	help
197	  Helpers for ttm-based gem objects
198
199config DRM_GEM_CMA_HELPER
200	bool
201	depends on DRM
202	help
203	  Choose this if you need the GEM CMA helper functions
204
205config DRM_KMS_CMA_HELPER
206	bool
207	depends on DRM
208	select DRM_GEM_CMA_HELPER
209	help
210	  Choose this if you need the KMS CMA helper functions
211
212config DRM_GEM_SHMEM_HELPER
213	bool
214	depends on DRM
215	help
216	  Choose this if you need the GEM shmem helper functions
217
218config DRM_SCHED
219	tristate
220	depends on DRM
221
222source "drivers/gpu/drm/i2c/Kconfig"
223
224source "drivers/gpu/drm/arm/Kconfig"
225
226config DRM_RADEON
227	tristate "ATI Radeon"
228	depends on DRM && PCI && MMU
229	depends on AGP || !AGP
230	select FW_LOADER
231        select DRM_KMS_HELPER
232        select DRM_TTM
233	select DRM_TTM_HELPER
234	select POWER_SUPPLY
235	select HWMON
236	select BACKLIGHT_CLASS_DEVICE
237	select INTERVAL_TREE
238	help
239	  Choose this option if you have an ATI Radeon graphics card.  There
240	  are both PCI and AGP versions.  You don't need to choose this to
241	  run the Radeon in plain VGA mode.
242
243	  If M is selected, the module will be called radeon.
244
245source "drivers/gpu/drm/radeon/Kconfig"
246
247config DRM_AMDGPU
248	tristate "AMD GPU"
249	depends on DRM && PCI && MMU
250	select FW_LOADER
251	select DRM_KMS_HELPER
252	select DRM_SCHED
253	select DRM_TTM
254	select DRM_TTM_HELPER
255	select POWER_SUPPLY
256	select HWMON
257	select BACKLIGHT_CLASS_DEVICE
258	select INTERVAL_TREE
259	help
260	  Choose this option if you have a recent AMD Radeon graphics card.
261
262	  If M is selected, the module will be called amdgpu.
263
264source "drivers/gpu/drm/amd/amdgpu/Kconfig"
265
266source "drivers/gpu/drm/nouveau/Kconfig"
267
268source "drivers/gpu/drm/i915/Kconfig"
269
270source "drivers/gpu/drm/kmb/Kconfig"
271
272config DRM_VGEM
273	tristate "Virtual GEM provider"
274	depends on DRM
275	help
276	  Choose this option to get a virtual graphics memory manager,
277	  as used by Mesa's software renderer for enhanced performance.
278	  If M is selected the module will be called vgem.
279
280config DRM_VKMS
281	tristate "Virtual KMS (EXPERIMENTAL)"
282	depends on DRM
283	select DRM_KMS_HELPER
284	select DRM_GEM_SHMEM_HELPER
285	select CRC32
286	default n
287	help
288	  Virtual Kernel Mode-Setting (VKMS) is used for testing or for
289	  running GPU in a headless machines. Choose this option to get
290	  a VKMS.
291
292	  If M is selected the module will be called vkms.
293
294source "drivers/gpu/drm/exynos/Kconfig"
295
296source "drivers/gpu/drm/rockchip/Kconfig"
297
298source "drivers/gpu/drm/vmwgfx/Kconfig"
299
300source "drivers/gpu/drm/gma500/Kconfig"
301
302source "drivers/gpu/drm/udl/Kconfig"
303
304source "drivers/gpu/drm/ast/Kconfig"
305
306source "drivers/gpu/drm/mgag200/Kconfig"
307
308source "drivers/gpu/drm/armada/Kconfig"
309
310source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
311
312source "drivers/gpu/drm/rcar-du/Kconfig"
313
314source "drivers/gpu/drm/shmobile/Kconfig"
315
316source "drivers/gpu/drm/sun4i/Kconfig"
317
318source "drivers/gpu/drm/omapdrm/Kconfig"
319
320source "drivers/gpu/drm/tilcdc/Kconfig"
321
322source "drivers/gpu/drm/qxl/Kconfig"
323
324source "drivers/gpu/drm/virtio/Kconfig"
325
326source "drivers/gpu/drm/msm/Kconfig"
327
328source "drivers/gpu/drm/fsl-dcu/Kconfig"
329
330source "drivers/gpu/drm/tegra/Kconfig"
331
332source "drivers/gpu/drm/stm/Kconfig"
333
334source "drivers/gpu/drm/panel/Kconfig"
335
336source "drivers/gpu/drm/bridge/Kconfig"
337
338source "drivers/gpu/drm/sti/Kconfig"
339
340source "drivers/gpu/drm/imx/Kconfig"
341
342source "drivers/gpu/drm/ingenic/Kconfig"
343
344source "drivers/gpu/drm/v3d/Kconfig"
345
346source "drivers/gpu/drm/vc4/Kconfig"
347
348source "drivers/gpu/drm/etnaviv/Kconfig"
349
350source "drivers/gpu/drm/hisilicon/Kconfig"
351
352source "drivers/gpu/drm/mediatek/Kconfig"
353
354source "drivers/gpu/drm/zte/Kconfig"
355
356source "drivers/gpu/drm/mxsfb/Kconfig"
357
358source "drivers/gpu/drm/meson/Kconfig"
359
360source "drivers/gpu/drm/tiny/Kconfig"
361
362source "drivers/gpu/drm/pl111/Kconfig"
363
364source "drivers/gpu/drm/tve200/Kconfig"
365
366source "drivers/gpu/drm/xen/Kconfig"
367
368source "drivers/gpu/drm/vboxvideo/Kconfig"
369
370source "drivers/gpu/drm/lima/Kconfig"
371
372source "drivers/gpu/drm/panfrost/Kconfig"
373
374source "drivers/gpu/drm/aspeed/Kconfig"
375
376source "drivers/gpu/drm/mcde/Kconfig"
377
378source "drivers/gpu/drm/tidss/Kconfig"
379
380source "drivers/gpu/drm/xlnx/Kconfig"
381
382source "drivers/gpu/drm/gud/Kconfig"
383
384config DRM_HYPERV
385	tristate "DRM Support for Hyper-V synthetic video device"
386	depends on DRM && PCI && MMU && HYPERV
387	select DRM_KMS_HELPER
388	select DRM_GEM_SHMEM_HELPER
389	help
390	 This is a KMS driver for Hyper-V synthetic video device. Choose this
391	 option if you would like to enable drm driver for Hyper-V virtual
392	 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so
393	 that DRM driver is used by default.
394
395	 If M is selected the module will be called hyperv_drm.
396
397# Keep legacy drivers last
398
399menuconfig DRM_LEGACY
400	bool "Enable legacy drivers (DANGEROUS)"
401	depends on DRM && MMU
402	help
403	  Enable legacy DRI1 drivers. Those drivers expose unsafe and dangerous
404	  APIs to user-space, which can be used to circumvent access
405	  restrictions and other security measures. For backwards compatibility
406	  those drivers are still available, but their use is highly
407	  inadvisable and might harm your system.
408
409	  You are recommended to use the safe modeset-only drivers instead, and
410	  perform 3D emulation in user-space.
411
412	  Unless you have strong reasons to go rogue, say "N".
413
414if DRM_LEGACY
415
416config DRM_TDFX
417	tristate "3dfx Banshee/Voodoo3+"
418	depends on DRM && PCI
419	help
420	  Choose this option if you have a 3dfx Banshee or Voodoo3 (or later),
421	  graphics card.  If M is selected, the module will be called tdfx.
422
423config DRM_R128
424	tristate "ATI Rage 128"
425	depends on DRM && PCI
426	select FW_LOADER
427	help
428	  Choose this option if you have an ATI Rage 128 graphics card.  If M
429	  is selected, the module will be called r128.  AGP support for
430	  this card is strongly suggested (unless you have a PCI version).
431
432config DRM_I810
433	tristate "Intel I810"
434	# !PREEMPTION because of missing ioctl locking
435	depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN)
436	help
437	  Choose this option if you have an Intel I810 graphics card.  If M is
438	  selected, the module will be called i810.  AGP support is required
439	  for this driver to work.
440
441config DRM_MGA
442	tristate "Matrox g200/g400"
443	depends on DRM && PCI
444	select FW_LOADER
445	help
446	  Choose this option if you have a Matrox G200, G400 or G450 graphics
447	  card.  If M is selected, the module will be called mga.  AGP
448	  support is required for this driver to work.
449
450config DRM_SIS
451	tristate "SiS video cards"
452	depends on DRM && AGP
453	depends on FB_SIS || FB_SIS=n
454	help
455	  Choose this option if you have a SiS 630 or compatible video
456	  chipset. If M is selected the module will be called sis. AGP
457	  support is required for this driver to work.
458
459config DRM_VIA
460	tristate "Via unichrome video cards"
461	depends on DRM && PCI
462	help
463	  Choose this option if you have a Via unichrome or compatible video
464	  chipset. If M is selected the module will be called via.
465
466config DRM_SAVAGE
467	tristate "Savage video cards"
468	depends on DRM && PCI
469	help
470	  Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
471	  chipset. If M is selected the module will be called savage.
472
473endif # DRM_LEGACY
474
475config DRM_EXPORT_FOR_TESTS
476	bool
477
478# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
479config DRM_PANEL_ORIENTATION_QUIRKS
480	tristate
481
482config DRM_LIB_RANDOM
483	bool
484	default n
485