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