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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_IGNORE_IOTCL_PERMIT
35	bool "Ignore drm ioctl permission"
36	depends on DRM && ANDROID && NO_GKI
37
38config DRM_MIPI_DSI
39	bool
40	depends on DRM
41
42config DRM_DP_AUX_CHARDEV
43	bool "DRM DP AUX Interface"
44	depends on DRM
45	help
46	  Choose this option to enable a /dev/drm_dp_auxN node that allows to
47	  read and write values to arbitrary DPCD registers on the DP aux
48	  channel.
49
50config DRM_DEBUG_MM
51	bool "Insert extra checks and debug info into the DRM range managers"
52	default n
53	depends on DRM=y
54	depends on STACKTRACE_SUPPORT
55	select STACKDEPOT
56	help
57	  Enable allocation tracking of memory manager and leak detection on
58	  shutdown.
59
60	  Recommended for driver developers only.
61
62	  If in doubt, say "N".
63
64config DRM_DEBUG_SELFTEST
65	tristate "kselftests for DRM"
66	depends on DRM
67	depends on DEBUG_KERNEL
68	select PRIME_NUMBERS
69	select DRM_LIB_RANDOM
70	select DRM_KMS_HELPER
71	select DRM_EXPORT_FOR_TESTS if m
72	default n
73	help
74	  This option provides kernel modules that can be used to run
75	  various selftests on parts of the DRM api. This option is not
76	  useful for distributions or general kernels, but only for kernel
77	  developers working on DRM and associated drivers.
78
79	  If in doubt, say "N".
80
81config DRM_KMS_HELPER
82	tristate
83	depends on DRM
84	help
85	  CRTC helpers for KMS drivers.
86
87config DRM_KMS_FB_HELPER
88	bool
89	depends on DRM_KMS_HELPER
90	select FB
91	select FRAMEBUFFER_CONSOLE if !EXPERT
92	select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
93	select FB_SYS_FOPS
94	select FB_SYS_FILLRECT
95	select FB_SYS_COPYAREA
96	select FB_SYS_IMAGEBLIT
97	select FB_CFB_FILLRECT
98	select FB_CFB_COPYAREA
99	select FB_CFB_IMAGEBLIT
100	select FB_DEFERRED_IO
101	help
102	  FBDEV helpers for KMS drivers.
103
104config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
105        bool "Enable refcount backtrace history in the DP MST helpers"
106	depends on STACKTRACE_SUPPORT
107        select STACKDEPOT
108        depends on DRM_KMS_HELPER
109        depends on DEBUG_KERNEL
110        depends on EXPERT
111        help
112          Enables debug tracing for topology refs in DRM's DP MST helpers. A
113          history of each topology reference/dereference will be printed to the
114          kernel log once a port or branch device's topology refcount reaches 0.
115
116          This has the potential to use a lot of memory and print some very
117          large kernel messages. If in doubt, say "N".
118
119config DRM_FBDEV_EMULATION
120	bool "Enable legacy fbdev support for your modesetting driver"
121	depends on DRM
122	select DRM_KMS_HELPER
123	select DRM_KMS_FB_HELPER
124	default y
125	help
126	  Choose this option if you have a need for the legacy fbdev
127	  support. Note that this support also provides the linux console
128	  support on top of your modesetting driver.
129
130	  If in doubt, say "Y".
131
132config DRM_FBDEV_OVERALLOC
133	int "Overallocation of the fbdev buffer"
134	depends on DRM_FBDEV_EMULATION
135	default 100
136	help
137	  Defines the fbdev buffer overallocation in percent. Default
138	  is 100. Typical values for double buffering will be 200,
139	  triple buffering 300.
140
141config DRM_FBDEV_LEAK_PHYS_SMEM
142	bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)"
143	depends on DRM_FBDEV_EMULATION && EXPERT
144	default n
145	help
146	  In order to keep user-space compatibility, we want in certain
147	  use-cases to keep leaking the fbdev physical address to the
148	  user-space program handling the fbdev buffer.
149	  This affects, not only, Amlogic, Allwinner or Rockchip devices
150	  with ARM Mali GPUs using an userspace Blob.
151	  This option is not supported by upstream developers and should be
152	  removed as soon as possible and be considered as a broken and
153	  legacy behaviour from a modern fbdev device driver.
154
155	  Please send any bug reports when using this to your proprietary
156	  software vendor that requires this.
157
158	  If in doubt, say "N" or spread the word to your closed source
159	  library vendor.
160
161config DRM_LOAD_EDID_FIRMWARE
162	bool "Allow to specify an EDID data set instead of probing for it"
163	depends on DRM
164	help
165	  Say Y here, if you want to use EDID data to be loaded from the
166	  /lib/firmware directory or one of the provided built-in
167	  data sets. This may be necessary, if the graphics adapter or
168	  monitor are unable to provide appropriate EDID data. Since this
169	  feature is provided as a workaround for broken hardware, the
170	  default case is N. Details and instructions how to build your own
171	  EDID data are given in Documentation/admin-guide/edid.rst.
172
173config DRM_DP_CEC
174	bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
175	depends on DRM
176	select CEC_CORE
177	help
178	  Choose this option if you want to enable HDMI CEC support for
179	  DisplayPort/USB-C to HDMI adapters.
180
181	  Note: not all adapters support this feature, and even for those
182	  that do support this they often do not hook up the CEC pin.
183
184config DRM_TTM
185	tristate
186	depends on DRM && MMU
187	help
188	  GPU memory management subsystem for devices with multiple
189	  GPU memory types. Will be enabled automatically if a device driver
190	  uses it.
191
192config DRM_TTM_DMA_PAGE_POOL
193	bool
194	depends on DRM_TTM && (SWIOTLB || INTEL_IOMMU)
195	default y
196	help
197	  Choose this if you need the TTM dma page pool
198
199config DRM_VRAM_HELPER
200	tristate
201	depends on DRM
202	help
203	  Helpers for VRAM memory management
204
205config DRM_TTM_HELPER
206	tristate
207	depends on DRM
208	select DRM_TTM
209	help
210	  Helpers for ttm-based gem objects
211
212config DRM_GEM_CMA_HELPER
213	bool
214	depends on DRM
215	help
216	  Choose this if you need the GEM CMA helper functions
217
218config DRM_KMS_CMA_HELPER
219	bool
220	depends on DRM
221	select DRM_GEM_CMA_HELPER
222	help
223	  Choose this if you need the KMS CMA helper functions
224
225config DRM_GEM_SHMEM_HELPER
226	bool
227	depends on DRM
228	help
229	  Choose this if you need the GEM shmem helper functions
230
231config DRM_VM
232	bool
233	depends on DRM && MMU
234
235config DRM_SCHED
236	tristate
237	depends on DRM
238
239source "drivers/gpu/drm/i2c/Kconfig"
240
241source "drivers/gpu/drm/arm/Kconfig"
242
243config DRM_RADEON
244	tristate "ATI Radeon"
245	depends on DRM && PCI && MMU
246	depends on AGP || !AGP
247	select FW_LOADER
248        select DRM_KMS_HELPER
249        select DRM_TTM
250	select POWER_SUPPLY
251	select HWMON
252	select BACKLIGHT_CLASS_DEVICE
253	select INTERVAL_TREE
254	help
255	  Choose this option if you have an ATI Radeon graphics card.  There
256	  are both PCI and AGP versions.  You don't need to choose this to
257	  run the Radeon in plain VGA mode.
258
259	  If M is selected, the module will be called radeon.
260
261source "drivers/gpu/drm/radeon/Kconfig"
262
263config DRM_AMDGPU
264	tristate "AMD GPU"
265	depends on DRM && PCI && MMU
266	select FW_LOADER
267	select DRM_KMS_HELPER
268	select DRM_SCHED
269	select DRM_TTM
270	select POWER_SUPPLY
271	select HWMON
272	select BACKLIGHT_CLASS_DEVICE
273	select INTERVAL_TREE
274	select CHASH
275	help
276	  Choose this option if you have a recent AMD Radeon graphics card.
277
278	  If M is selected, the module will be called amdgpu.
279
280source "drivers/gpu/drm/amd/amdgpu/Kconfig"
281
282source "drivers/gpu/drm/nouveau/Kconfig"
283
284source "drivers/gpu/drm/i915/Kconfig"
285
286config DRM_VGEM
287	tristate "Virtual GEM provider"
288	depends on DRM
289	help
290	  Choose this option to get a virtual graphics memory manager,
291	  as used by Mesa's software renderer for enhanced performance.
292	  If M is selected the module will be called vgem.
293
294config DRM_VKMS
295	tristate "Virtual KMS (EXPERIMENTAL)"
296	depends on DRM
297	select DRM_KMS_HELPER
298	select CRC32
299	default n
300	help
301	  Virtual Kernel Mode-Setting (VKMS) is used for testing or for
302	  running GPU in a headless machines. Choose this option to get
303	  a VKMS.
304
305	  If M is selected the module will be called vkms.
306
307source "drivers/gpu/drm/exynos/Kconfig"
308
309source "drivers/gpu/drm/rockchip/Kconfig"
310
311source "drivers/gpu/drm/vmwgfx/Kconfig"
312
313source "drivers/gpu/drm/gma500/Kconfig"
314
315source "drivers/gpu/drm/udl/Kconfig"
316
317source "drivers/gpu/drm/ast/Kconfig"
318
319source "drivers/gpu/drm/mgag200/Kconfig"
320
321source "drivers/gpu/drm/armada/Kconfig"
322
323source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
324
325source "drivers/gpu/drm/rcar-du/Kconfig"
326
327source "drivers/gpu/drm/shmobile/Kconfig"
328
329source "drivers/gpu/drm/sun4i/Kconfig"
330
331source "drivers/gpu/drm/omapdrm/Kconfig"
332
333source "drivers/gpu/drm/tilcdc/Kconfig"
334
335source "drivers/gpu/drm/qxl/Kconfig"
336
337source "drivers/gpu/drm/bochs/Kconfig"
338
339source "drivers/gpu/drm/virtio/Kconfig"
340
341source "drivers/gpu/drm/msm/Kconfig"
342
343source "drivers/gpu/drm/fsl-dcu/Kconfig"
344
345source "drivers/gpu/drm/tegra/Kconfig"
346
347source "drivers/gpu/drm/stm/Kconfig"
348
349source "drivers/gpu/drm/panel/Kconfig"
350
351source "drivers/gpu/drm/bridge/Kconfig"
352
353source "drivers/gpu/drm/sti/Kconfig"
354
355source "drivers/gpu/drm/imx/Kconfig"
356
357source "drivers/gpu/drm/ingenic/Kconfig"
358
359source "drivers/gpu/drm/v3d/Kconfig"
360
361source "drivers/gpu/drm/vc4/Kconfig"
362
363source "drivers/gpu/drm/etnaviv/Kconfig"
364
365source "drivers/gpu/drm/arc/Kconfig"
366
367source "drivers/gpu/drm/hisilicon/Kconfig"
368
369source "drivers/gpu/drm/mediatek/Kconfig"
370
371source "drivers/gpu/drm/zte/Kconfig"
372
373source "drivers/gpu/drm/mxsfb/Kconfig"
374
375source "drivers/gpu/drm/meson/Kconfig"
376
377source "drivers/gpu/drm/tiny/Kconfig"
378
379source "drivers/gpu/drm/pl111/Kconfig"
380
381source "drivers/gpu/drm/tve200/Kconfig"
382
383source "drivers/gpu/drm/xen/Kconfig"
384
385source "drivers/gpu/drm/vboxvideo/Kconfig"
386
387source "drivers/gpu/drm/lima/Kconfig"
388
389source "drivers/gpu/drm/panfrost/Kconfig"
390
391source "drivers/gpu/drm/aspeed/Kconfig"
392
393source "drivers/gpu/drm/mcde/Kconfig"
394
395source "drivers/gpu/drm/tidss/Kconfig"
396
397source "drivers/gpu/drm/xlnx/Kconfig"
398
399# Keep legacy drivers last
400
401menuconfig DRM_LEGACY
402	bool "Enable legacy drivers (DANGEROUS)"
403	depends on DRM && MMU
404	select DRM_VM
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
485config DRM_LIB_RANDOM
486	bool
487	default n
488