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