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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_NOMODESET
12	select DRM_PANEL_ORIENTATION_QUIRKS
13	select HDMI
14	select FB_CMDLINE
15	select I2C
16	select I2C_ALGOBIT
17	select DMA_SHARED_BUFFER
18	select SYNC_FILE
19# gallium uses SYS_kcmp for os_same_file_description() to de-duplicate
20# device and dmabuf fd. Let's make sure that is available for our userspace.
21	select KCMP
22	help
23	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
24	  introduced in XFree86 4.0. If you say Y here, you need to select
25	  the module that's right for your graphics card from the list below.
26	  These modules provide support for synchronization, security, and
27	  DMA transfers. Please see <http://dri.sourceforge.net/> for more
28	  details.  You should also select and configure AGP
29	  (/dev/agpgart) support if it is available for your platform.
30
31config DRM_MIPI_DBI
32	tristate
33	depends on DRM
34	select DRM_KMS_HELPER
35
36config DRM_MIPI_DSI
37	bool
38	depends on DRM
39
40config DRM_DEBUG_MM
41	bool "Insert extra checks and debug info into the DRM range managers"
42	default n
43	depends on DRM=y
44	depends on STACKTRACE_SUPPORT
45	select STACKDEPOT
46	help
47	  Enable allocation tracking of memory manager and leak detection on
48	  shutdown.
49
50	  Recommended for driver developers only.
51
52	  If in doubt, say "N".
53
54config DRM_USE_DYNAMIC_DEBUG
55	bool "use dynamic debug to implement drm.debug"
56	default n
57	depends on BROKEN
58	depends on DRM
59	depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE
60	depends on JUMP_LABEL
61	help
62	  Use dynamic-debug to avoid drm_debug_enabled() runtime overheads.
63	  Due to callsite counts in DRM drivers (~4k in amdgpu) and 56
64	  bytes per callsite, the .data costs can be substantial, and
65	  are therefore configurable.
66
67config DRM_KUNIT_TEST
68	tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS
69	depends on DRM && KUNIT
70	select PRIME_NUMBERS
71	select DRM_DISPLAY_DP_HELPER
72	select DRM_DISPLAY_HELPER
73	select DRM_LIB_RANDOM
74	select DRM_KMS_HELPER
75	select DRM_BUDDY
76	select DRM_EXPORT_FOR_TESTS if m
77	default KUNIT_ALL_TESTS
78	help
79	  This builds unit tests for DRM. This option is not useful for
80	  distributions or general kernels, but only for kernel
81	  developers working on DRM and associated drivers.
82
83	  For more information on KUnit and unit tests in general,
84	  please refer to the KUnit documentation in
85	  Documentation/dev-tools/kunit/.
86
87	  If in doubt, say "N".
88
89config DRM_KMS_HELPER
90	tristate
91	depends on DRM
92	help
93	  CRTC helpers for KMS drivers.
94
95config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
96        bool "Enable refcount backtrace history in the DP MST helpers"
97	depends on STACKTRACE_SUPPORT
98        select STACKDEPOT
99        depends on DRM_KMS_HELPER
100        depends on DEBUG_KERNEL
101        depends on EXPERT
102        help
103          Enables debug tracing for topology refs in DRM's DP MST helpers. A
104          history of each topology reference/dereference will be printed to the
105          kernel log once a port or branch device's topology refcount reaches 0.
106
107          This has the potential to use a lot of memory and print some very
108          large kernel messages. If in doubt, say "N".
109
110config DRM_DEBUG_MODESET_LOCK
111	bool "Enable backtrace history for lock contention"
112	depends on STACKTRACE_SUPPORT
113	depends on DEBUG_KERNEL
114	depends on EXPERT
115	select STACKDEPOT
116	default y if DEBUG_WW_MUTEX_SLOWPATH
117	help
118	  Enable debug tracing of failures to gracefully handle drm modeset lock
119	  contention. A history of each drm modeset lock path hitting -EDEADLK
120	  will be saved until gracefully handled, and the backtrace will be
121	  printed when attempting to lock a contended lock.
122
123	  If in doubt, say "N".
124
125config DRM_FBDEV_EMULATION
126	bool "Enable legacy fbdev support for your modesetting driver"
127	depends on DRM_KMS_HELPER
128	depends on FB=y || FB=DRM_KMS_HELPER
129	select FB_CFB_FILLRECT
130	select FB_CFB_COPYAREA
131	select FB_CFB_IMAGEBLIT
132	select FB_DEFERRED_IO
133	select FB_SYS_FOPS
134	select FB_SYS_FILLRECT
135	select FB_SYS_COPYAREA
136	select FB_SYS_IMAGEBLIT
137	select FRAMEBUFFER_CONSOLE if !EXPERT
138	select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
139	default y
140	help
141	  Choose this option if you have a need for the legacy fbdev
142	  support. Note that this support also provides the linux console
143	  support on top of your modesetting driver.
144
145	  If in doubt, say "Y".
146
147config DRM_FBDEV_OVERALLOC
148	int "Overallocation of the fbdev buffer"
149	depends on DRM_FBDEV_EMULATION
150	default 100
151	help
152	  Defines the fbdev buffer overallocation in percent. Default
153	  is 100. Typical values for double buffering will be 200,
154	  triple buffering 300.
155
156config DRM_FBDEV_LEAK_PHYS_SMEM
157	bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)"
158	depends on DRM_FBDEV_EMULATION && EXPERT
159	default n
160	help
161	  In order to keep user-space compatibility, we want in certain
162	  use-cases to keep leaking the fbdev physical address to the
163	  user-space program handling the fbdev buffer.
164	  This affects, not only, Amlogic, Allwinner or Rockchip devices
165	  with ARM Mali GPUs using an userspace Blob.
166	  This option is not supported by upstream developers and should be
167	  removed as soon as possible and be considered as a broken and
168	  legacy behaviour from a modern fbdev device driver.
169
170	  Please send any bug reports when using this to your proprietary
171	  software vendor that requires this.
172
173	  If in doubt, say "N" or spread the word to your closed source
174	  library vendor.
175
176config DRM_LOAD_EDID_FIRMWARE
177	bool "Allow to specify an EDID data set instead of probing for it"
178	depends on DRM
179	help
180	  Say Y here, if you want to use EDID data to be loaded from the
181	  /lib/firmware directory or one of the provided built-in
182	  data sets. This may be necessary, if the graphics adapter or
183	  monitor are unable to provide appropriate EDID data. Since this
184	  feature is provided as a workaround for broken hardware, the
185	  default case is N. Details and instructions how to build your own
186	  EDID data are given in Documentation/admin-guide/edid.rst.
187
188source "drivers/gpu/drm/display/Kconfig"
189
190config DRM_TTM
191	tristate
192	depends on DRM && MMU
193	help
194	  GPU memory management subsystem for devices with multiple
195	  GPU memory types. Will be enabled automatically if a device driver
196	  uses it.
197
198config DRM_BUDDY
199	tristate
200	depends on DRM
201	help
202	  A page based buddy allocator
203
204config DRM_VRAM_HELPER
205	tristate
206	depends on DRM
207	help
208	  Helpers for VRAM memory management
209
210config DRM_TTM_HELPER
211	tristate
212	depends on DRM
213	select DRM_TTM
214	help
215	  Helpers for ttm-based gem objects
216
217config DRM_GEM_DMA_HELPER
218	tristate
219	depends on DRM
220	help
221	  Choose this if you need the GEM DMA helper functions
222
223config DRM_GEM_SHMEM_HELPER
224	tristate
225	depends on DRM && MMU
226	help
227	  Choose this if you need the GEM shmem helper functions
228
229config DRM_SCHED
230	tristate
231	depends on DRM
232
233source "drivers/gpu/drm/i2c/Kconfig"
234
235source "drivers/gpu/drm/arm/Kconfig"
236
237config DRM_RADEON
238	tristate "ATI Radeon"
239	depends on DRM && PCI && MMU
240	depends on AGP || !AGP
241	select FW_LOADER
242	select DRM_DISPLAY_DP_HELPER
243	select DRM_DISPLAY_HELPER
244        select DRM_KMS_HELPER
245        select DRM_TTM
246	select DRM_TTM_HELPER
247	select POWER_SUPPLY
248	select HWMON
249	select BACKLIGHT_CLASS_DEVICE
250	select INTERVAL_TREE
251	# radeon depends on ACPI_VIDEO when ACPI is enabled, for select to work
252	# ACPI_VIDEO's dependencies must also be selected.
253	select INPUT if ACPI
254	select ACPI_VIDEO if ACPI
255	# On x86 ACPI_VIDEO also needs ACPI_WMI
256	select X86_PLATFORM_DEVICES if ACPI && X86
257	select ACPI_WMI if ACPI && X86
258	help
259	  Choose this option if you have an ATI Radeon graphics card.  There
260	  are both PCI and AGP versions.  You don't need to choose this to
261	  run the Radeon in plain VGA mode.
262
263	  If M is selected, the module will be called radeon.
264
265source "drivers/gpu/drm/radeon/Kconfig"
266
267config DRM_AMDGPU
268	tristate "AMD GPU"
269	depends on DRM && PCI && MMU
270	select FW_LOADER
271	select DRM_DISPLAY_DP_HELPER
272	select DRM_DISPLAY_HDMI_HELPER
273	select DRM_DISPLAY_HELPER
274	select DRM_KMS_HELPER
275	select DRM_SCHED
276	select DRM_TTM
277	select DRM_TTM_HELPER
278	select POWER_SUPPLY
279	select HWMON
280	select BACKLIGHT_CLASS_DEVICE
281	select INTERVAL_TREE
282	select DRM_BUDDY
283	# amdgpu depends on ACPI_VIDEO when ACPI is enabled, for select to work
284	# ACPI_VIDEO's dependencies must also be selected.
285	select INPUT if ACPI
286	select ACPI_VIDEO if ACPI
287	# On x86 ACPI_VIDEO also needs ACPI_WMI
288	select X86_PLATFORM_DEVICES if ACPI && X86
289	select ACPI_WMI if ACPI && X86
290	help
291	  Choose this option if you have a recent AMD Radeon graphics card.
292
293	  If M is selected, the module will be called amdgpu.
294
295source "drivers/gpu/drm/amd/amdgpu/Kconfig"
296
297source "drivers/gpu/drm/nouveau/Kconfig"
298
299source "drivers/gpu/drm/i915/Kconfig"
300
301source "drivers/gpu/drm/kmb/Kconfig"
302
303config DRM_VGEM
304	tristate "Virtual GEM provider"
305	depends on DRM && MMU
306	select DRM_GEM_SHMEM_HELPER
307	help
308	  Choose this option to get a virtual graphics memory manager,
309	  as used by Mesa's software renderer for enhanced performance.
310	  If M is selected the module will be called vgem.
311
312config DRM_VKMS
313	tristate "Virtual KMS (EXPERIMENTAL)"
314	depends on DRM && MMU
315	select DRM_KMS_HELPER
316	select DRM_GEM_SHMEM_HELPER
317	select CRC32
318	default n
319	help
320	  Virtual Kernel Mode-Setting (VKMS) is used for testing or for
321	  running GPU in a headless machines. Choose this option to get
322	  a VKMS.
323
324	  If M is selected the module will be called vkms.
325
326source "drivers/gpu/drm/exynos/Kconfig"
327
328source "drivers/gpu/drm/rockchip/Kconfig"
329
330source "drivers/gpu/drm/vmwgfx/Kconfig"
331
332source "drivers/gpu/drm/gma500/Kconfig"
333
334source "drivers/gpu/drm/udl/Kconfig"
335
336source "drivers/gpu/drm/ast/Kconfig"
337
338source "drivers/gpu/drm/mgag200/Kconfig"
339
340source "drivers/gpu/drm/armada/Kconfig"
341
342source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
343
344source "drivers/gpu/drm/rcar-du/Kconfig"
345
346source "drivers/gpu/drm/shmobile/Kconfig"
347
348source "drivers/gpu/drm/sun4i/Kconfig"
349
350source "drivers/gpu/drm/omapdrm/Kconfig"
351
352source "drivers/gpu/drm/tilcdc/Kconfig"
353
354source "drivers/gpu/drm/qxl/Kconfig"
355
356source "drivers/gpu/drm/virtio/Kconfig"
357
358source "drivers/gpu/drm/msm/Kconfig"
359
360source "drivers/gpu/drm/fsl-dcu/Kconfig"
361
362source "drivers/gpu/drm/tegra/Kconfig"
363
364source "drivers/gpu/drm/stm/Kconfig"
365
366source "drivers/gpu/drm/panel/Kconfig"
367
368source "drivers/gpu/drm/bridge/Kconfig"
369
370source "drivers/gpu/drm/sti/Kconfig"
371
372source "drivers/gpu/drm/imx/Kconfig"
373
374source "drivers/gpu/drm/ingenic/Kconfig"
375
376source "drivers/gpu/drm/v3d/Kconfig"
377
378source "drivers/gpu/drm/vc4/Kconfig"
379
380source "drivers/gpu/drm/etnaviv/Kconfig"
381
382source "drivers/gpu/drm/hisilicon/Kconfig"
383
384source "drivers/gpu/drm/logicvc/Kconfig"
385
386source "drivers/gpu/drm/mediatek/Kconfig"
387
388source "drivers/gpu/drm/mxsfb/Kconfig"
389
390source "drivers/gpu/drm/meson/Kconfig"
391
392source "drivers/gpu/drm/tiny/Kconfig"
393
394source "drivers/gpu/drm/pl111/Kconfig"
395
396source "drivers/gpu/drm/tve200/Kconfig"
397
398source "drivers/gpu/drm/xen/Kconfig"
399
400source "drivers/gpu/drm/vboxvideo/Kconfig"
401
402source "drivers/gpu/drm/lima/Kconfig"
403
404source "drivers/gpu/drm/panfrost/Kconfig"
405
406source "drivers/gpu/drm/aspeed/Kconfig"
407
408source "drivers/gpu/drm/mcde/Kconfig"
409
410source "drivers/gpu/drm/tidss/Kconfig"
411
412source "drivers/gpu/drm/xlnx/Kconfig"
413
414source "drivers/gpu/drm/gud/Kconfig"
415
416source "drivers/gpu/drm/solomon/Kconfig"
417
418source "drivers/gpu/drm/sprd/Kconfig"
419
420config DRM_HYPERV
421	tristate "DRM Support for Hyper-V synthetic video device"
422	depends on DRM && PCI && MMU && HYPERV
423	select DRM_KMS_HELPER
424	select DRM_GEM_SHMEM_HELPER
425	help
426	 This is a KMS driver for Hyper-V synthetic video device. Choose this
427	 option if you would like to enable drm driver for Hyper-V virtual
428	 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so
429	 that DRM driver is used by default.
430
431	 If M is selected the module will be called hyperv_drm.
432
433# Keep legacy drivers last
434
435menuconfig DRM_LEGACY
436	bool "Enable legacy drivers (DANGEROUS)"
437	depends on DRM && MMU
438	help
439	  Enable legacy DRI1 drivers. Those drivers expose unsafe and dangerous
440	  APIs to user-space, which can be used to circumvent access
441	  restrictions and other security measures. For backwards compatibility
442	  those drivers are still available, but their use is highly
443	  inadvisable and might harm your system.
444
445	  You are recommended to use the safe modeset-only drivers instead, and
446	  perform 3D emulation in user-space.
447
448	  Unless you have strong reasons to go rogue, say "N".
449
450if DRM_LEGACY
451
452config DRM_TDFX
453	tristate "3dfx Banshee/Voodoo3+"
454	depends on DRM && PCI
455	help
456	  Choose this option if you have a 3dfx Banshee or Voodoo3 (or later),
457	  graphics card.  If M is selected, the module will be called tdfx.
458
459config DRM_R128
460	tristate "ATI Rage 128"
461	depends on DRM && PCI
462	select FW_LOADER
463	help
464	  Choose this option if you have an ATI Rage 128 graphics card.  If M
465	  is selected, the module will be called r128.  AGP support for
466	  this card is strongly suggested (unless you have a PCI version).
467
468config DRM_I810
469	tristate "Intel I810"
470	# !PREEMPTION because of missing ioctl locking
471	depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN)
472	help
473	  Choose this option if you have an Intel I810 graphics card.  If M is
474	  selected, the module will be called i810.  AGP support is required
475	  for this driver to work.
476
477config DRM_MGA
478	tristate "Matrox g200/g400"
479	depends on DRM && PCI
480	select FW_LOADER
481	help
482	  Choose this option if you have a Matrox G200, G400 or G450 graphics
483	  card.  If M is selected, the module will be called mga.  AGP
484	  support is required for this driver to work.
485
486config DRM_SIS
487	tristate "SiS video cards"
488	depends on DRM && AGP
489	depends on FB_SIS || FB_SIS=n
490	help
491	  Choose this option if you have a SiS 630 or compatible video
492	  chipset. If M is selected the module will be called sis. AGP
493	  support is required for this driver to work.
494
495config DRM_VIA
496	tristate "Via unichrome video cards"
497	depends on DRM && PCI
498	help
499	  Choose this option if you have a Via unichrome or compatible video
500	  chipset. If M is selected the module will be called via.
501
502config DRM_SAVAGE
503	tristate "Savage video cards"
504	depends on DRM && PCI
505	help
506	  Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
507	  chipset. If M is selected the module will be called savage.
508
509endif # DRM_LEGACY
510
511config DRM_EXPORT_FOR_TESTS
512	bool
513
514# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
515config DRM_PANEL_ORIENTATION_QUIRKS
516	tristate
517
518# Separate option because nomodeset parameter is global and expected built-in
519config DRM_NOMODESET
520	bool
521	default n
522
523config DRM_LIB_RANDOM
524	bool
525	default n
526
527config DRM_PRIVACY_SCREEN
528	bool
529	default n
530