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