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 DRM_KMS_HELPER if DRM_FBDEV_EMULATION
363	select FB_CORE if DRM_FBDEV_EMULATION
364	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
365	help
366	  Helpers for ttm-based gem objects
367
368config DRM_GEM_DMA_HELPER
369	tristate
370	depends on DRM
371	select DRM_KMS_HELPER if DRM_FBDEV_EMULATION
372	select FB_CORE if DRM_FBDEV_EMULATION
373	select FB_DMAMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
374	help
375	  Choose this if you need the GEM DMA helper functions
376
377config DRM_GEM_SHMEM_HELPER
378	tristate
379	depends on DRM && MMU
380	select DRM_KMS_HELPER if DRM_FBDEV_EMULATION
381	select FB_CORE if DRM_FBDEV_EMULATION
382	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
383	help
384	  Choose this if you need the GEM shmem helper functions
385
386config DRM_SUBALLOC_HELPER
387	tristate
388	depends on DRM
389
390config DRM_SCHED
391	tristate
392	depends on DRM
393
394source "drivers/gpu/drm/i2c/Kconfig"
395
396source "drivers/gpu/drm/arm/Kconfig"
397
398source "drivers/gpu/drm/radeon/Kconfig"
399
400source "drivers/gpu/drm/amd/amdgpu/Kconfig"
401
402source "drivers/gpu/drm/nouveau/Kconfig"
403
404source "drivers/gpu/drm/i915/Kconfig"
405
406source "drivers/gpu/drm/xe/Kconfig"
407
408source "drivers/gpu/drm/kmb/Kconfig"
409
410config DRM_VGEM
411	tristate "Virtual GEM provider"
412	depends on DRM && MMU
413	select DRM_GEM_SHMEM_HELPER
414	help
415	  Choose this option to get a virtual graphics memory manager,
416	  as used by Mesa's software renderer for enhanced performance.
417	  If M is selected the module will be called vgem.
418
419source "drivers/gpu/drm/vkms/Kconfig"
420
421source "drivers/gpu/drm/exynos/Kconfig"
422
423source "drivers/gpu/drm/rockchip/Kconfig"
424
425source "drivers/gpu/drm/vmwgfx/Kconfig"
426
427source "drivers/gpu/drm/gma500/Kconfig"
428
429source "drivers/gpu/drm/udl/Kconfig"
430
431source "drivers/gpu/drm/ast/Kconfig"
432
433source "drivers/gpu/drm/mgag200/Kconfig"
434
435source "drivers/gpu/drm/armada/Kconfig"
436
437source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
438
439source "drivers/gpu/drm/renesas/Kconfig"
440
441source "drivers/gpu/drm/sun4i/Kconfig"
442
443source "drivers/gpu/drm/omapdrm/Kconfig"
444
445source "drivers/gpu/drm/tilcdc/Kconfig"
446
447source "drivers/gpu/drm/qxl/Kconfig"
448
449source "drivers/gpu/drm/virtio/Kconfig"
450
451source "drivers/gpu/drm/msm/Kconfig"
452
453source "drivers/gpu/drm/fsl-dcu/Kconfig"
454
455source "drivers/gpu/drm/tegra/Kconfig"
456
457source "drivers/gpu/drm/stm/Kconfig"
458
459source "drivers/gpu/drm/panel/Kconfig"
460
461source "drivers/gpu/drm/bridge/Kconfig"
462
463source "drivers/gpu/drm/sti/Kconfig"
464
465source "drivers/gpu/drm/imx/Kconfig"
466
467source "drivers/gpu/drm/ingenic/Kconfig"
468
469source "drivers/gpu/drm/v3d/Kconfig"
470
471source "drivers/gpu/drm/vc4/Kconfig"
472
473source "drivers/gpu/drm/loongson/Kconfig"
474
475source "drivers/gpu/drm/etnaviv/Kconfig"
476
477source "drivers/gpu/drm/hisilicon/Kconfig"
478
479source "drivers/gpu/drm/logicvc/Kconfig"
480
481source "drivers/gpu/drm/mediatek/Kconfig"
482
483source "drivers/gpu/drm/mxsfb/Kconfig"
484
485source "drivers/gpu/drm/meson/Kconfig"
486
487source "drivers/gpu/drm/tiny/Kconfig"
488
489source "drivers/gpu/drm/pl111/Kconfig"
490
491source "drivers/gpu/drm/tve200/Kconfig"
492
493source "drivers/gpu/drm/xen/Kconfig"
494
495source "drivers/gpu/drm/vboxvideo/Kconfig"
496
497source "drivers/gpu/drm/lima/Kconfig"
498
499source "drivers/gpu/drm/panfrost/Kconfig"
500
501source "drivers/gpu/drm/panthor/Kconfig"
502
503source "drivers/gpu/drm/aspeed/Kconfig"
504
505source "drivers/gpu/drm/mcde/Kconfig"
506
507source "drivers/gpu/drm/tidss/Kconfig"
508
509source "drivers/gpu/drm/xlnx/Kconfig"
510
511source "drivers/gpu/drm/gud/Kconfig"
512
513source "drivers/gpu/drm/solomon/Kconfig"
514
515source "drivers/gpu/drm/sprd/Kconfig"
516
517source "drivers/gpu/drm/imagination/Kconfig"
518
519config DRM_HYPERV
520	tristate "DRM Support for Hyper-V synthetic video device"
521	depends on DRM && PCI && MMU && HYPERV
522	select DRM_CLIENT_SELECTION
523	select DRM_KMS_HELPER
524	select DRM_GEM_SHMEM_HELPER
525	help
526	 This is a KMS driver for Hyper-V synthetic video device. Choose this
527	 option if you would like to enable drm driver for Hyper-V virtual
528	 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so
529	 that DRM driver is used by default.
530
531	 If M is selected the module will be called hyperv_drm.
532
533config DRM_EXPORT_FOR_TESTS
534	bool
535
536# Separate option as not all DRM drivers use it
537config DRM_PANEL_BACKLIGHT_QUIRKS
538	tristate
539
540config DRM_LIB_RANDOM
541	bool
542	default n
543
544config DRM_PRIVACY_SCREEN
545	bool
546	default n
547
548config DRM_WERROR
549	bool "Compile the drm subsystem with warnings as errors"
550	depends on DRM && EXPERT
551	depends on !WERROR
552	default n
553	help
554	  A kernel build should not cause any compiler warnings, and this
555	  enables the '-Werror' flag to enforce that rule in the drm subsystem.
556
557	  The drm subsystem enables more warnings than the kernel default, so
558	  this config option is disabled by default.
559
560	  If in doubt, say N.
561
562endif
563
564# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
565config DRM_PANEL_ORIENTATION_QUIRKS
566	tristate

  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 DRM_KMS_HELPER if DRM_FBDEV_EMULATION
 13	select FB_CORE if DRM_FBDEV_EMULATION
 14	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 15	select HDMI
 16	select I2C
 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	select VIDEO
 23	help
 24	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
 25	  introduced in XFree86 4.0. If you say Y here, you need to select
 26	  the module that's right for your graphics card from the list below.
 27	  These modules provide support for synchronization, security, and
 28	  DMA transfers. Please see <http://dri.sourceforge.net/> for more
 29	  details.  You should also select and configure AGP
 30	  (/dev/agpgart) support if it is available for your platform.
 31
 
 
 32config DRM_MIPI_DBI
 33	tristate
 34	depends on DRM
 35	select DRM_KMS_HELPER
 36
 37config DRM_MIPI_DSI
 38	bool
 39	depends on DRM
 40
 41config DRM_DEBUG_MM
 42	bool "Insert extra checks and debug info into the DRM range managers"
 43	default n
 44	depends on DRM
 45	depends on STACKTRACE_SUPPORT
 46	select STACKDEPOT
 47	help
 48	  Enable allocation tracking of memory manager and leak detection on
 49	  shutdown.
 50
 51	  Recommended for driver developers only.
 52
 53	  If in doubt, say "N".
 54
 55config DRM_USE_DYNAMIC_DEBUG
 56	bool "use dynamic debug to implement drm.debug"
 57	default n
 58	depends on BROKEN
 59	depends on DRM
 60	depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE
 61	depends on JUMP_LABEL
 62	help
 63	  Use dynamic-debug to avoid drm_debug_enabled() runtime overheads.
 64	  Due to callsite counts in DRM drivers (~4k in amdgpu) and 56
 65	  bytes per callsite, the .data costs can be substantial, and
 66	  are therefore configurable.
 67
 68config DRM_KUNIT_TEST_HELPERS
 69	tristate
 70	depends on DRM && KUNIT
 71	select DRM_KMS_HELPER
 72	help
 73	  KUnit Helpers for KMS drivers.
 74
 75config DRM_KUNIT_TEST
 76	tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS
 77	depends on DRM && KUNIT && MMU
 78	select DRM_BUDDY
 79	select DRM_DISPLAY_DP_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	help
103	  CRTC helpers for KMS drivers.
104
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
105config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
106        bool "Enable refcount backtrace history in the DP MST helpers"
107	depends on STACKTRACE_SUPPORT
108        select STACKDEPOT
109        depends on DRM_KMS_HELPER
110        depends on DEBUG_KERNEL
111        depends on EXPERT
112        help
113          Enables debug tracing for topology refs in DRM's DP MST helpers. A
114          history of each topology reference/dereference will be printed to the
115          kernel log once a port or branch device's topology refcount reaches 0.
116
117          This has the potential to use a lot of memory and print some very
118          large kernel messages. If in doubt, say "N".
119
120config DRM_DEBUG_MODESET_LOCK
121	bool "Enable backtrace history for lock contention"
122	depends on STACKTRACE_SUPPORT
123	depends on DEBUG_KERNEL
124	depends on EXPERT
125	select STACKDEPOT
126	default y if DEBUG_WW_MUTEX_SLOWPATH
127	help
128	  Enable debug tracing of failures to gracefully handle drm modeset lock
129	  contention. A history of each drm modeset lock path hitting -EDEADLK
130	  will be saved until gracefully handled, and the backtrace will be
131	  printed when attempting to lock a contended lock.
132
133	  If in doubt, say "N".
134
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
135config DRM_FBDEV_EMULATION
136	bool "Enable legacy fbdev support for your modesetting driver"
137	depends on DRM
 
 
138	select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
139	default FB
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_TTM_KUNIT_TEST
199        tristate "KUnit tests for TTM" if !KUNIT_ALL_TESTS
200        default n
201        depends on DRM && KUNIT && MMU && (UML || COMPILE_TEST)
202        select DRM_TTM
 
203        select DRM_EXPORT_FOR_TESTS if m
204        select DRM_KUNIT_TEST_HELPERS
205        default KUNIT_ALL_TESTS
206        help
207          Enables unit tests for TTM, a GPU memory manager subsystem used
208          to manage memory buffers. This option is mostly useful for kernel
209          developers. It depends on (UML || COMPILE_TEST) since no other driver
210          which uses TTM can be loaded while running the tests.
211
212          If in doubt, say "N".
213
214config DRM_EXEC
215	tristate
216	depends on DRM
217	help
218	  Execution context for command submissions
219
220config DRM_GPUVM
221	tristate
222	depends on DRM
 
223	help
224	  GPU-VM representation providing helpers to manage a GPUs virtual
225	  address space
226
227config DRM_BUDDY
228	tristate
229	depends on DRM
230	help
231	  A page based buddy allocator
232
233config DRM_VRAM_HELPER
234	tristate
235	depends on DRM
236	help
237	  Helpers for VRAM memory management
238
239config DRM_TTM_HELPER
240	tristate
241	depends on DRM
242	select DRM_TTM
 
 
 
243	help
244	  Helpers for ttm-based gem objects
245
246config DRM_GEM_DMA_HELPER
247	tristate
248	depends on DRM
249	select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION
 
 
250	help
251	  Choose this if you need the GEM DMA helper functions
252
253config DRM_GEM_SHMEM_HELPER
254	tristate
255	depends on DRM && MMU
 
 
 
256	help
257	  Choose this if you need the GEM shmem helper functions
258
259config DRM_SUBALLOC_HELPER
260	tristate
261	depends on DRM
262
263config DRM_SCHED
264	tristate
265	depends on DRM
266
267source "drivers/gpu/drm/i2c/Kconfig"
268
269source "drivers/gpu/drm/arm/Kconfig"
270
271source "drivers/gpu/drm/radeon/Kconfig"
272
273source "drivers/gpu/drm/amd/amdgpu/Kconfig"
274
275source "drivers/gpu/drm/nouveau/Kconfig"
276
277source "drivers/gpu/drm/i915/Kconfig"
278
279source "drivers/gpu/drm/xe/Kconfig"
280
281source "drivers/gpu/drm/kmb/Kconfig"
282
283config DRM_VGEM
284	tristate "Virtual GEM provider"
285	depends on DRM && MMU
286	select DRM_GEM_SHMEM_HELPER
287	help
288	  Choose this option to get a virtual graphics memory manager,
289	  as used by Mesa's software renderer for enhanced performance.
290	  If M is selected the module will be called vgem.
291
292source "drivers/gpu/drm/vkms/Kconfig"
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/renesas/Kconfig"
313
314source "drivers/gpu/drm/sun4i/Kconfig"
315
316source "drivers/gpu/drm/omapdrm/Kconfig"
317
318source "drivers/gpu/drm/tilcdc/Kconfig"
319
320source "drivers/gpu/drm/qxl/Kconfig"
321
322source "drivers/gpu/drm/virtio/Kconfig"
323
324source "drivers/gpu/drm/msm/Kconfig"
325
326source "drivers/gpu/drm/fsl-dcu/Kconfig"
327
328source "drivers/gpu/drm/tegra/Kconfig"
329
330source "drivers/gpu/drm/stm/Kconfig"
331
332source "drivers/gpu/drm/panel/Kconfig"
333
334source "drivers/gpu/drm/bridge/Kconfig"
335
336source "drivers/gpu/drm/sti/Kconfig"
337
338source "drivers/gpu/drm/imx/Kconfig"
339
340source "drivers/gpu/drm/ingenic/Kconfig"
341
342source "drivers/gpu/drm/v3d/Kconfig"
343
344source "drivers/gpu/drm/vc4/Kconfig"
345
346source "drivers/gpu/drm/loongson/Kconfig"
347
348source "drivers/gpu/drm/etnaviv/Kconfig"
349
350source "drivers/gpu/drm/hisilicon/Kconfig"
351
352source "drivers/gpu/drm/logicvc/Kconfig"
353
354source "drivers/gpu/drm/mediatek/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
384source "drivers/gpu/drm/solomon/Kconfig"
385
386source "drivers/gpu/drm/sprd/Kconfig"
387
388source "drivers/gpu/drm/imagination/Kconfig"
389
390config DRM_HYPERV
391	tristate "DRM Support for Hyper-V synthetic video device"
392	depends on DRM && PCI && MMU && HYPERV
 
393	select DRM_KMS_HELPER
394	select DRM_GEM_SHMEM_HELPER
395	help
396	 This is a KMS driver for Hyper-V synthetic video device. Choose this
397	 option if you would like to enable drm driver for Hyper-V virtual
398	 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so
399	 that DRM driver is used by default.
400
401	 If M is selected the module will be called hyperv_drm.
402
403config DRM_EXPORT_FOR_TESTS
404	bool
405
406# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
407config DRM_PANEL_ORIENTATION_QUIRKS
408	tristate
409
410config DRM_LIB_RANDOM
411	bool
412	default n
413
414config DRM_PRIVACY_SCREEN
415	bool
416	default n