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	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_KMS_FB_HELPER
80	bool
81	depends on DRM_KMS_HELPER
82	select FB
83	select FRAMEBUFFER_CONSOLE if !EXPERT
84	select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
85	select FB_SYS_FOPS
86	select FB_SYS_FILLRECT
87	select FB_SYS_COPYAREA
88	select FB_SYS_IMAGEBLIT
89	select FB_CFB_FILLRECT
90	select FB_CFB_COPYAREA
91	select FB_CFB_IMAGEBLIT
92	select FB_DEFERRED_IO
93	help
94	  FBDEV helpers for KMS drivers.
95
96config DRM_FBDEV_EMULATION
97	bool "Enable legacy fbdev support for your modesetting driver"
98	depends on DRM
99	select DRM_KMS_HELPER
100	select DRM_KMS_FB_HELPER
101	default y
102	help
103	  Choose this option if you have a need for the legacy fbdev
104	  support. Note that this support also provides the linux console
105	  support on top of your modesetting driver.
106
107	  If in doubt, say "Y".
108
109config DRM_FBDEV_OVERALLOC
110	int "Overallocation of the fbdev buffer"
111	depends on DRM_FBDEV_EMULATION
112	default 100
113	help
114	  Defines the fbdev buffer overallocation in percent. Default
115	  is 100. Typical values for double buffering will be 200,
116	  triple buffering 300.
117
118config DRM_FBDEV_LEAK_PHYS_SMEM
119	bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)"
120	depends on DRM_FBDEV_EMULATION && EXPERT
121	default n
122	help
123	  In order to keep user-space compatibility, we want in certain
124	  use-cases to keep leaking the fbdev physical address to the
125	  user-space program handling the fbdev buffer.
126	  This affects, not only, Amlogic, Allwinner or Rockchip devices
127	  with ARM Mali GPUs using an userspace Blob.
128	  This option is not supported by upstream developers and should be
129	  removed as soon as possible and be considered as a broken and
130	  legacy behaviour from a modern fbdev device driver.
131
132	  Please send any bug reports when using this to your proprietary
133	  software vendor that requires this.
134
135	  If in doubt, say "N" or spread the word to your closed source
136	  library vendor.
137
138config DRM_LOAD_EDID_FIRMWARE
139	bool "Allow to specify an EDID data set instead of probing for it"
140	depends on DRM
141	help
142	  Say Y here, if you want to use EDID data to be loaded from the
143	  /lib/firmware directory or one of the provided built-in
144	  data sets. This may be necessary, if the graphics adapter or
145	  monitor are unable to provide appropriate EDID data. Since this
146	  feature is provided as a workaround for broken hardware, the
147	  default case is N. Details and instructions how to build your own
148	  EDID data are given in Documentation/driver-api/edid.rst.
149
150config DRM_DP_CEC
151	bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
152	select CEC_CORE
153	help
154	  Choose this option if you want to enable HDMI CEC support for
155	  DisplayPort/USB-C to HDMI adapters.
156
157	  Note: not all adapters support this feature, and even for those
158	  that do support this they often do not hook up the CEC pin.
159
160config DRM_TTM
161	tristate
162	depends on DRM && MMU
163	help
164	  GPU memory management subsystem for devices with multiple
165	  GPU memory types. Will be enabled automatically if a device driver
166	  uses it.
167
168config DRM_VRAM_HELPER
169	tristate
170	depends on DRM
171	select DRM_TTM
172	help
173	  Helpers for VRAM memory management
174
175config DRM_GEM_CMA_HELPER
176	bool
177	depends on DRM
178	help
179	  Choose this if you need the GEM CMA helper functions
180
181config DRM_KMS_CMA_HELPER
182	bool
183	depends on DRM
184	select DRM_GEM_CMA_HELPER
185	help
186	  Choose this if you need the KMS CMA helper functions
187
188config DRM_GEM_SHMEM_HELPER
189	bool
190	depends on DRM
191	help
192	  Choose this if you need the GEM shmem helper functions
193
194config DRM_VM
195	bool
196	depends on DRM && MMU
197
198config DRM_SCHED
199	tristate
200	depends on DRM
201
202source "drivers/gpu/drm/i2c/Kconfig"
203
204source "drivers/gpu/drm/arm/Kconfig"
205
206config DRM_RADEON
207	tristate "ATI Radeon"
208	depends on DRM && PCI && MMU
209	select FW_LOADER
210        select DRM_KMS_HELPER
211        select DRM_TTM
212	select POWER_SUPPLY
213	select HWMON
214	select BACKLIGHT_CLASS_DEVICE
215	select INTERVAL_TREE
216	help
217	  Choose this option if you have an ATI Radeon graphics card.  There
218	  are both PCI and AGP versions.  You don't need to choose this to
219	  run the Radeon in plain VGA mode.
220
221	  If M is selected, the module will be called radeon.
222
223source "drivers/gpu/drm/radeon/Kconfig"
224
225config DRM_AMDGPU
226	tristate "AMD GPU"
227	depends on DRM && PCI && MMU
228	select FW_LOADER
229        select DRM_KMS_HELPER
230	select DRM_SCHED
231        select DRM_TTM
232	select POWER_SUPPLY
233	select HWMON
234	select BACKLIGHT_CLASS_DEVICE
235	select INTERVAL_TREE
236	select CHASH
237	help
238	  Choose this option if you have a recent AMD Radeon graphics card.
239
240	  If M is selected, the module will be called amdgpu.
241
242source "drivers/gpu/drm/amd/amdgpu/Kconfig"
243
244source "drivers/gpu/drm/nouveau/Kconfig"
245
246source "drivers/gpu/drm/i915/Kconfig"
247
248config DRM_VGEM
249	tristate "Virtual GEM provider"
250	depends on DRM
251	help
252	  Choose this option to get a virtual graphics memory manager,
253	  as used by Mesa's software renderer for enhanced performance.
254	  If M is selected the module will be called vgem.
255
256config DRM_VKMS
257	tristate "Virtual KMS (EXPERIMENTAL)"
258	depends on DRM
259	select DRM_KMS_HELPER
260	default n
261	help
262	  Virtual Kernel Mode-Setting (VKMS) is used for testing or for
263	  running GPU in a headless machines. Choose this option to get
264	  a VKMS.
265
266	  If M is selected the module will be called vkms.
267
268config DRM_ATI_PCIGART
269        bool
270
271source "drivers/gpu/drm/exynos/Kconfig"
272
273source "drivers/gpu/drm/rockchip/Kconfig"
274
275source "drivers/gpu/drm/vmwgfx/Kconfig"
276
277source "drivers/gpu/drm/gma500/Kconfig"
278
279source "drivers/gpu/drm/udl/Kconfig"
280
281source "drivers/gpu/drm/ast/Kconfig"
282
283source "drivers/gpu/drm/mgag200/Kconfig"
284
285source "drivers/gpu/drm/cirrus/Kconfig"
286
287source "drivers/gpu/drm/armada/Kconfig"
288
289source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
290
291source "drivers/gpu/drm/rcar-du/Kconfig"
292
293source "drivers/gpu/drm/shmobile/Kconfig"
294
295source "drivers/gpu/drm/sun4i/Kconfig"
296
297source "drivers/gpu/drm/omapdrm/Kconfig"
298
299source "drivers/gpu/drm/tilcdc/Kconfig"
300
301source "drivers/gpu/drm/qxl/Kconfig"
302
303source "drivers/gpu/drm/bochs/Kconfig"
304
305source "drivers/gpu/drm/virtio/Kconfig"
306
307source "drivers/gpu/drm/msm/Kconfig"
308
309source "drivers/gpu/drm/fsl-dcu/Kconfig"
310
311source "drivers/gpu/drm/tegra/Kconfig"
312
313source "drivers/gpu/drm/stm/Kconfig"
314
315source "drivers/gpu/drm/panel/Kconfig"
316
317source "drivers/gpu/drm/bridge/Kconfig"
318
319source "drivers/gpu/drm/sti/Kconfig"
320
321source "drivers/gpu/drm/imx/Kconfig"
322
323source "drivers/gpu/drm/ingenic/Kconfig"
324
325source "drivers/gpu/drm/v3d/Kconfig"
326
327source "drivers/gpu/drm/vc4/Kconfig"
328
329source "drivers/gpu/drm/etnaviv/Kconfig"
330
331source "drivers/gpu/drm/arc/Kconfig"
332
333source "drivers/gpu/drm/hisilicon/Kconfig"
334
335source "drivers/gpu/drm/mediatek/Kconfig"
336
337source "drivers/gpu/drm/zte/Kconfig"
338
339source "drivers/gpu/drm/mxsfb/Kconfig"
340
341source "drivers/gpu/drm/meson/Kconfig"
342
343source "drivers/gpu/drm/tiny/Kconfig"
344
345source "drivers/gpu/drm/pl111/Kconfig"
346
347source "drivers/gpu/drm/tve200/Kconfig"
348
349source "drivers/gpu/drm/xen/Kconfig"
350
351source "drivers/gpu/drm/vboxvideo/Kconfig"
352
353source "drivers/gpu/drm/lima/Kconfig"
354
355source "drivers/gpu/drm/panfrost/Kconfig"
356
357source "drivers/gpu/drm/aspeed/Kconfig"
358
359source "drivers/gpu/drm/mcde/Kconfig"
360
361# Keep legacy drivers last
362
363menuconfig DRM_LEGACY
364	bool "Enable legacy drivers (DANGEROUS)"
365	depends on DRM && MMU
366	select DRM_VM
367	select DRM_ATI_PCIGART if PCI
368	help
369	  Enable legacy DRI1 drivers. Those drivers expose unsafe and dangerous
370	  APIs to user-space, which can be used to circumvent access
371	  restrictions and other security measures. For backwards compatibility
372	  those drivers are still available, but their use is highly
373	  inadvisable and might harm your system.
374
375	  You are recommended to use the safe modeset-only drivers instead, and
376	  perform 3D emulation in user-space.
377
378	  Unless you have strong reasons to go rogue, say "N".
379
380if DRM_LEGACY
381
382config DRM_TDFX
383	tristate "3dfx Banshee/Voodoo3+"
384	depends on DRM && PCI
385	help
386	  Choose this option if you have a 3dfx Banshee or Voodoo3 (or later),
387	  graphics card.  If M is selected, the module will be called tdfx.
388
389config DRM_R128
390	tristate "ATI Rage 128"
391	depends on DRM && PCI
392	select FW_LOADER
393	help
394	  Choose this option if you have an ATI Rage 128 graphics card.  If M
395	  is selected, the module will be called r128.  AGP support for
396	  this card is strongly suggested (unless you have a PCI version).
397
398config DRM_I810
399	tristate "Intel I810"
400	# !PREEMPT because of missing ioctl locking
401	depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN)
402	help
403	  Choose this option if you have an Intel I810 graphics card.  If M is
404	  selected, the module will be called i810.  AGP support is required
405	  for this driver to work.
406
407config DRM_MGA
408	tristate "Matrox g200/g400"
409	depends on DRM && PCI
410	select FW_LOADER
411	help
412	  Choose this option if you have a Matrox G200, G400 or G450 graphics
413	  card.  If M is selected, the module will be called mga.  AGP
414	  support is required for this driver to work.
415
416config DRM_SIS
417	tristate "SiS video cards"
418	depends on DRM && AGP
419	depends on FB_SIS || FB_SIS=n
420	help
421	  Choose this option if you have a SiS 630 or compatible video
422	  chipset. If M is selected the module will be called sis. AGP
423	  support is required for this driver to work.
424
425config DRM_VIA
426	tristate "Via unichrome video cards"
427	depends on DRM && PCI
428	help
429	  Choose this option if you have a Via unichrome or compatible video
430	  chipset. If M is selected the module will be called via.
431
432config DRM_SAVAGE
433	tristate "Savage video cards"
434	depends on DRM && PCI
435	help
436	  Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
437	  chipset. If M is selected the module will be called savage.
438
439endif # DRM_LEGACY
440
441# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
442config DRM_PANEL_ORIENTATION_QUIRKS
443	tristate
444
445config DRM_LIB_RANDOM
446	bool
447	default n
448