xref: /linux/drivers/gpu/drm/Kconfig (revision af215c980c1fbf1ca01675b128b0dd194745b880)
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 I2C
14	select DMA_SHARED_BUFFER
15	select SYNC_FILE
16# gallium uses SYS_kcmp for os_same_file_description() to de-duplicate
17# device and dmabuf fd. Let's make sure that is available for our userspace.
18	select KCMP
19	select VIDEO
20	help
21	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
22	  introduced in XFree86 4.0. If you say Y here, you need to select
23	  the module that's right for your graphics card from the list below.
24	  These modules provide support for synchronization, security, and
25	  DMA transfers. Please see <http://dri.sourceforge.net/> for more
26	  details.  You should also select and configure AGP
27	  (/dev/agpgart) support if it is available for your platform.
28
29if DRM
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
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_HELPERS
68	tristate
69	depends on DRM && KUNIT
70	select DRM_KMS_HELPER
71	help
72	  KUnit Helpers for KMS drivers.
73
74config DRM_KUNIT_TEST
75	tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS
76	depends on DRM && KUNIT && MMU
77	select DRM_BUDDY
78	select DRM_DISPLAY_DP_HELPER
79	select DRM_DISPLAY_HDMI_STATE_HELPER
80	select DRM_DISPLAY_HELPER
81	select DRM_EXEC
82	select DRM_EXPORT_FOR_TESTS if m
83	select DRM_GEM_SHMEM_HELPER
84	select DRM_KUNIT_TEST_HELPERS
85	select DRM_LIB_RANDOM
86	select PRIME_NUMBERS
87	default KUNIT_ALL_TESTS
88	help
89	  This builds unit tests for DRM. This option is not useful for
90	  distributions or general kernels, but only for kernel
91	  developers working on DRM and associated drivers.
92
93	  For more information on KUnit and unit tests in general,
94	  please refer to the KUnit documentation in
95	  Documentation/dev-tools/kunit/.
96
97	  If in doubt, say "N".
98
99config DRM_KMS_HELPER
100	tristate
101	depends on DRM
102	select FB_CORE if DRM_FBDEV_EMULATION
103	help
104	  CRTC helpers for KMS drivers.
105
106config DRM_PANIC
107	bool "Display a user-friendly message when a kernel panic occurs"
108	depends on DRM
109	select FONT_SUPPORT
110	help
111	  Enable a drm panic handler, which will display a user-friendly message
112	  when a kernel panic occurs. It's useful when using a user-space
113	  console instead of fbcon.
114	  It will only work if your graphic driver supports this feature.
115	  To support Hi-DPI Display, you can enable bigger fonts like
116	  FONT_TER16x32
117
118config DRM_PANIC_FOREGROUND_COLOR
119	hex "Drm panic screen foreground color, in RGB"
120	depends on DRM_PANIC
121	default 0xffffff
122
123config DRM_PANIC_BACKGROUND_COLOR
124	hex "Drm panic screen background color, in RGB"
125	depends on DRM_PANIC
126	default 0x000000
127
128config DRM_PANIC_DEBUG
129	bool "Add a debug fs entry to trigger drm_panic"
130	depends on DRM_PANIC && DEBUG_FS
131	help
132	  Add dri/[device]/drm_panic_plane_x in the kernel debugfs, to force the
133	  panic handler to write the panic message to this plane scanout buffer.
134	  This is unsafe and should not be enabled on a production build.
135	  If in doubt, say "N".
136
137config DRM_PANIC_SCREEN
138	string "Panic screen formatter"
139	default "user"
140	depends on DRM_PANIC
141	help
142	  This option enable to choose what will be displayed when a kernel
143	  panic occurs. You can choose between "user", a short message telling
144	  the user to reboot the system, or "kmsg" which will display the last
145	  lines of kmsg.
146	  This can also be overridden by drm.panic_screen=xxxx kernel parameter
147	  or by writing to /sys/module/drm/parameters/panic_screen sysfs entry
148	  Default is "user"
149
150config DRM_PANIC_SCREEN_QR_CODE
151	bool "Add a panic screen with a QR code"
152	depends on DRM_PANIC && RUST
153	select ZLIB_DEFLATE
154	help
155	  This option adds a QR code generator, and a panic screen with a QR
156	  code. The QR code will contain the last lines of kmsg and other debug
157	  information. This should be easier for the user to report a kernel
158	  panic, with all debug information available.
159	  To use this panic screen, also set DRM_PANIC_SCREEN to "qr_code"
160
161config DRM_PANIC_SCREEN_QR_CODE_URL
162	string "Base URL of the QR code in the panic screen"
163	depends on DRM_PANIC_SCREEN_QR_CODE
164	help
165	  This option sets the base URL to report the kernel panic. If it's set
166	  the QR code will contain the URL and the kmsg compressed with zlib as
167	  a URL parameter. If it's empty, the QR code will contain the kmsg as
168	  uncompressed text only.
169	  There is a demo code in javascript, to decode and uncompress the kmsg
170	  data from the URL parameter at https://github.com/kdj0c/panic_report
171
172config DRM_PANIC_SCREEN_QR_VERSION
173	int "Maximum version (size) of the QR code."
174	depends on DRM_PANIC_SCREEN_QR_CODE
175	default 40
176	help
177	  This option limits the version (or size) of the QR code. QR code
178	  version ranges from Version 1 (21x21) to Version 40 (177x177).
179	  Smaller QR code are easier to read, but will contain less debugging
180	  data. Default is 40.
181
182config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
183        bool "Enable refcount backtrace history in the DP MST helpers"
184	depends on STACKTRACE_SUPPORT
185        select STACKDEPOT
186        depends on DRM_KMS_HELPER
187        depends on DEBUG_KERNEL
188        depends on EXPERT
189        help
190          Enables debug tracing for topology refs in DRM's DP MST helpers. A
191          history of each topology reference/dereference will be printed to the
192          kernel log once a port or branch device's topology refcount reaches 0.
193
194          This has the potential to use a lot of memory and print some very
195          large kernel messages. If in doubt, say "N".
196
197config DRM_DEBUG_MODESET_LOCK
198	bool "Enable backtrace history for lock contention"
199	depends on STACKTRACE_SUPPORT
200	depends on DEBUG_KERNEL
201	depends on EXPERT
202	select STACKDEPOT
203	default y if DEBUG_WW_MUTEX_SLOWPATH
204	help
205	  Enable debug tracing of failures to gracefully handle drm modeset lock
206	  contention. A history of each drm modeset lock path hitting -EDEADLK
207	  will be saved until gracefully handled, and the backtrace will be
208	  printed when attempting to lock a contended lock.
209
210	  If in doubt, say "N".
211
212config DRM_CLIENT
213	bool
214	depends on DRM
215	help
216	  Enables support for DRM clients. DRM drivers that need
217	  struct drm_client_dev and its interfaces should select this
218	  option. Drivers that support the default clients should
219	  select DRM_CLIENT_SELECTION instead.
220
221config DRM_CLIENT_LIB
222	tristate
223	depends on DRM
224	select DRM_KMS_HELPER if DRM_FBDEV_EMULATION
225	select FB_CORE if DRM_FBDEV_EMULATION
226	help
227	  This option enables the DRM client library and selects all
228	  modules and components according to the enabled clients.
229
230config DRM_CLIENT_SELECTION
231	tristate
232	depends on DRM
233	select DRM_CLIENT_LIB if DRM_FBDEV_EMULATION
234	help
235	  Drivers that support in-kernel DRM clients have to select this
236	  option.
237
238config DRM_CLIENT_SETUP
239	bool
240	depends on DRM_CLIENT_SELECTION
241	help
242	  Enables the DRM client selection. DRM drivers that support the
243	  default clients should select DRM_CLIENT_SELECTION instead.
244
245menu "Supported DRM clients"
246	depends on DRM_CLIENT_SELECTION
247
248config DRM_FBDEV_EMULATION
249	bool "Enable legacy fbdev support for your modesetting driver"
250	depends on DRM_CLIENT_SELECTION
251	select DRM_CLIENT
252	select DRM_CLIENT_SETUP
253	select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
254	default FB
255	help
256	  Choose this option if you have a need for the legacy fbdev
257	  support. Note that this support also provides the linux console
258	  support on top of your modesetting driver.
259
260	  If in doubt, say "Y".
261
262config DRM_FBDEV_OVERALLOC
263	int "Overallocation of the fbdev buffer"
264	depends on DRM_FBDEV_EMULATION
265	default 100
266	help
267	  Defines the fbdev buffer overallocation in percent. Default
268	  is 100. Typical values for double buffering will be 200,
269	  triple buffering 300.
270
271config DRM_FBDEV_LEAK_PHYS_SMEM
272	bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)"
273	depends on DRM_FBDEV_EMULATION && EXPERT
274	default n
275	help
276	  In order to keep user-space compatibility, we want in certain
277	  use-cases to keep leaking the fbdev physical address to the
278	  user-space program handling the fbdev buffer.
279	  This affects, not only, Amlogic, Allwinner or Rockchip devices
280	  with ARM Mali GPUs using an userspace Blob.
281	  This option is not supported by upstream developers and should be
282	  removed as soon as possible and be considered as a broken and
283	  legacy behaviour from a modern fbdev device driver.
284
285	  Please send any bug reports when using this to your proprietary
286	  software vendor that requires this.
287
288	  If in doubt, say "N" or spread the word to your closed source
289	  library vendor.
290
291endmenu
292
293config DRM_LOAD_EDID_FIRMWARE
294	bool "Allow to specify an EDID data set instead of probing for it"
295	depends on DRM
296	help
297	  Say Y here, if you want to use EDID data to be loaded from the
298	  /lib/firmware directory or one of the provided built-in
299	  data sets. This may be necessary, if the graphics adapter or
300	  monitor are unable to provide appropriate EDID data. Since this
301	  feature is provided as a workaround for broken hardware, the
302	  default case is N. Details and instructions how to build your own
303	  EDID data are given in Documentation/admin-guide/edid.rst.
304
305source "drivers/gpu/drm/display/Kconfig"
306
307config DRM_TTM
308	tristate
309	depends on DRM && MMU
310	help
311	  GPU memory management subsystem for devices with multiple
312	  GPU memory types. Will be enabled automatically if a device driver
313	  uses it.
314
315config DRM_TTM_KUNIT_TEST
316        tristate "KUnit tests for TTM" if !KUNIT_ALL_TESTS
317        default n
318        depends on DRM && KUNIT && MMU && (UML || COMPILE_TEST)
319        select DRM_TTM
320        select DRM_BUDDY
321        select DRM_EXPORT_FOR_TESTS if m
322        select DRM_KUNIT_TEST_HELPERS
323        default KUNIT_ALL_TESTS
324        help
325          Enables unit tests for TTM, a GPU memory manager subsystem used
326          to manage memory buffers. This option is mostly useful for kernel
327          developers. It depends on (UML || COMPILE_TEST) since no other driver
328          which uses TTM can be loaded while running the tests.
329
330          If in doubt, say "N".
331
332config DRM_EXEC
333	tristate
334	depends on DRM
335	help
336	  Execution context for command submissions
337
338config DRM_GPUVM
339	tristate
340	depends on DRM
341	select DRM_EXEC
342	help
343	  GPU-VM representation providing helpers to manage a GPUs virtual
344	  address space
345
346config DRM_BUDDY
347	tristate
348	depends on DRM
349	help
350	  A page based buddy allocator
351
352config DRM_VRAM_HELPER
353	tristate
354	depends on DRM
355	help
356	  Helpers for VRAM memory management
357
358config DRM_TTM_HELPER
359	tristate
360	depends on DRM
361	select DRM_TTM
362	select FB_CORE if DRM_FBDEV_EMULATION
363	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
364	help
365	  Helpers for ttm-based gem objects
366
367config DRM_GEM_DMA_HELPER
368	tristate
369	depends on DRM
370	select FB_CORE if DRM_FBDEV_EMULATION
371	select FB_DMAMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
372	help
373	  Choose this if you need the GEM DMA helper functions
374
375config DRM_GEM_SHMEM_HELPER
376	tristate
377	depends on DRM && MMU
378	select FB_CORE if DRM_FBDEV_EMULATION
379	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
380	help
381	  Choose this if you need the GEM shmem helper functions
382
383config DRM_SUBALLOC_HELPER
384	tristate
385	depends on DRM
386
387config DRM_SCHED
388	tristate
389	depends on DRM
390
391source "drivers/gpu/drm/i2c/Kconfig"
392
393source "drivers/gpu/drm/arm/Kconfig"
394
395source "drivers/gpu/drm/radeon/Kconfig"
396
397source "drivers/gpu/drm/amd/amdgpu/Kconfig"
398
399source "drivers/gpu/drm/nouveau/Kconfig"
400
401source "drivers/gpu/drm/i915/Kconfig"
402
403source "drivers/gpu/drm/xe/Kconfig"
404
405source "drivers/gpu/drm/kmb/Kconfig"
406
407config DRM_VGEM
408	tristate "Virtual GEM provider"
409	depends on DRM && MMU
410	select DRM_GEM_SHMEM_HELPER
411	help
412	  Choose this option to get a virtual graphics memory manager,
413	  as used by Mesa's software renderer for enhanced performance.
414	  If M is selected the module will be called vgem.
415
416source "drivers/gpu/drm/vkms/Kconfig"
417
418source "drivers/gpu/drm/exynos/Kconfig"
419
420source "drivers/gpu/drm/rockchip/Kconfig"
421
422source "drivers/gpu/drm/vmwgfx/Kconfig"
423
424source "drivers/gpu/drm/gma500/Kconfig"
425
426source "drivers/gpu/drm/udl/Kconfig"
427
428source "drivers/gpu/drm/ast/Kconfig"
429
430source "drivers/gpu/drm/mgag200/Kconfig"
431
432source "drivers/gpu/drm/armada/Kconfig"
433
434source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
435
436source "drivers/gpu/drm/renesas/Kconfig"
437
438source "drivers/gpu/drm/sun4i/Kconfig"
439
440source "drivers/gpu/drm/omapdrm/Kconfig"
441
442source "drivers/gpu/drm/tilcdc/Kconfig"
443
444source "drivers/gpu/drm/qxl/Kconfig"
445
446source "drivers/gpu/drm/virtio/Kconfig"
447
448source "drivers/gpu/drm/msm/Kconfig"
449
450source "drivers/gpu/drm/fsl-dcu/Kconfig"
451
452source "drivers/gpu/drm/tegra/Kconfig"
453
454source "drivers/gpu/drm/stm/Kconfig"
455
456source "drivers/gpu/drm/panel/Kconfig"
457
458source "drivers/gpu/drm/bridge/Kconfig"
459
460source "drivers/gpu/drm/sti/Kconfig"
461
462source "drivers/gpu/drm/imx/Kconfig"
463
464source "drivers/gpu/drm/ingenic/Kconfig"
465
466source "drivers/gpu/drm/v3d/Kconfig"
467
468source "drivers/gpu/drm/vc4/Kconfig"
469
470source "drivers/gpu/drm/loongson/Kconfig"
471
472source "drivers/gpu/drm/etnaviv/Kconfig"
473
474source "drivers/gpu/drm/hisilicon/Kconfig"
475
476source "drivers/gpu/drm/logicvc/Kconfig"
477
478source "drivers/gpu/drm/mediatek/Kconfig"
479
480source "drivers/gpu/drm/mxsfb/Kconfig"
481
482source "drivers/gpu/drm/meson/Kconfig"
483
484source "drivers/gpu/drm/tiny/Kconfig"
485
486source "drivers/gpu/drm/pl111/Kconfig"
487
488source "drivers/gpu/drm/tve200/Kconfig"
489
490source "drivers/gpu/drm/xen/Kconfig"
491
492source "drivers/gpu/drm/vboxvideo/Kconfig"
493
494source "drivers/gpu/drm/lima/Kconfig"
495
496source "drivers/gpu/drm/panfrost/Kconfig"
497
498source "drivers/gpu/drm/panthor/Kconfig"
499
500source "drivers/gpu/drm/aspeed/Kconfig"
501
502source "drivers/gpu/drm/mcde/Kconfig"
503
504source "drivers/gpu/drm/tidss/Kconfig"
505
506source "drivers/gpu/drm/xlnx/Kconfig"
507
508source "drivers/gpu/drm/gud/Kconfig"
509
510source "drivers/gpu/drm/solomon/Kconfig"
511
512source "drivers/gpu/drm/sprd/Kconfig"
513
514source "drivers/gpu/drm/imagination/Kconfig"
515
516config DRM_HYPERV
517	tristate "DRM Support for Hyper-V synthetic video device"
518	depends on DRM && PCI && MMU && HYPERV
519	select DRM_CLIENT_SELECTION
520	select DRM_KMS_HELPER
521	select DRM_GEM_SHMEM_HELPER
522	help
523	 This is a KMS driver for Hyper-V synthetic video device. Choose this
524	 option if you would like to enable drm driver for Hyper-V virtual
525	 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so
526	 that DRM driver is used by default.
527
528	 If M is selected the module will be called hyperv_drm.
529
530config DRM_EXPORT_FOR_TESTS
531	bool
532
533config DRM_LIB_RANDOM
534	bool
535	default n
536
537config DRM_PRIVACY_SCREEN
538	bool
539	default n
540
541config DRM_WERROR
542	bool "Compile the drm subsystem with warnings as errors"
543	depends on DRM && EXPERT
544	depends on !WERROR
545	default n
546	help
547	  A kernel build should not cause any compiler warnings, and this
548	  enables the '-Werror' flag to enforce that rule in the drm subsystem.
549
550	  The drm subsystem enables more warnings than the kernel default, so
551	  this config option is disabled by default.
552
553	  If in doubt, say N.
554
555endif
556
557# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
558config DRM_PANEL_ORIENTATION_QUIRKS
559	tristate
560