tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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_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 select DRM_KMS_HELPER
35
36config DRM_MIPI_DSI
37 bool
38 depends on DRM
39
40config DRM_DEBUG_MM
41 bool "Insert extra checks and debug info into the DRM range managers"
42 default n
43 depends on DRM=y
44 depends on STACKTRACE_SUPPORT
45 select STACKDEPOT
46 help
47 Enable allocation tracking of memory manager and leak detection on
48 shutdown.
49
50 Recommended for driver developers only.
51
52 If in doubt, say "N".
53
54config DRM_USE_DYNAMIC_DEBUG
55 bool "use dynamic debug to implement drm.debug"
56 default y
57 depends on DRM
58 depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE
59 depends on JUMP_LABEL
60 help
61 Use dynamic-debug to avoid drm_debug_enabled() runtime overheads.
62 Due to callsite counts in DRM drivers (~4k in amdgpu) and 56
63 bytes per callsite, the .data costs can be substantial, and
64 are therefore configurable.
65
66config DRM_KUNIT_TEST
67 tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS
68 depends on DRM && KUNIT
69 select PRIME_NUMBERS
70 select DRM_DISPLAY_DP_HELPER
71 select DRM_DISPLAY_HELPER
72 select DRM_LIB_RANDOM
73 select DRM_KMS_HELPER
74 select DRM_BUDDY
75 select DRM_EXPORT_FOR_TESTS if m
76 default KUNIT_ALL_TESTS
77 help
78 This builds unit tests for DRM. This option is not useful for
79 distributions or general kernels, but only for kernel
80 developers working on DRM and associated drivers.
81
82 For more information on KUnit and unit tests in general,
83 please refer to the KUnit documentation in
84 Documentation/dev-tools/kunit/.
85
86 If in doubt, say "N".
87
88config DRM_KMS_HELPER
89 tristate
90 depends on DRM
91 help
92 CRTC helpers for KMS drivers.
93
94config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
95 bool "Enable refcount backtrace history in the DP MST helpers"
96 depends on STACKTRACE_SUPPORT
97 select STACKDEPOT
98 depends on DRM_KMS_HELPER
99 depends on DEBUG_KERNEL
100 depends on EXPERT
101 help
102 Enables debug tracing for topology refs in DRM's DP MST helpers. A
103 history of each topology reference/dereference will be printed to the
104 kernel log once a port or branch device's topology refcount reaches 0.
105
106 This has the potential to use a lot of memory and print some very
107 large kernel messages. If in doubt, say "N".
108
109config DRM_DEBUG_MODESET_LOCK
110 bool "Enable backtrace history for lock contention"
111 depends on STACKTRACE_SUPPORT
112 depends on DEBUG_KERNEL
113 depends on EXPERT
114 select STACKDEPOT
115 default y if DEBUG_WW_MUTEX_SLOWPATH
116 help
117 Enable debug tracing of failures to gracefully handle drm modeset lock
118 contention. A history of each drm modeset lock path hitting -EDEADLK
119 will be saved until gracefully handled, and the backtrace will be
120 printed when attempting to lock a contended lock.
121
122 If in doubt, say "N".
123
124config DRM_FBDEV_EMULATION
125 bool "Enable legacy fbdev support for your modesetting driver"
126 depends on DRM_KMS_HELPER
127 depends on FB=y || FB=DRM_KMS_HELPER
128 select FB_CFB_FILLRECT
129 select FB_CFB_COPYAREA
130 select FB_CFB_IMAGEBLIT
131 select FB_DEFERRED_IO
132 select FB_SYS_FOPS
133 select FB_SYS_FILLRECT
134 select FB_SYS_COPYAREA
135 select FB_SYS_IMAGEBLIT
136 select FRAMEBUFFER_CONSOLE if !EXPERT
137 select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
138 default y
139 help
140 Choose this option if you have a need for the legacy fbdev
141 support. Note that this support also provides the linux console
142 support on top of your modesetting driver.
143
144 If in doubt, say "Y".
145
146config DRM_FBDEV_OVERALLOC
147 int "Overallocation of the fbdev buffer"
148 depends on DRM_FBDEV_EMULATION
149 default 100
150 help
151 Defines the fbdev buffer overallocation in percent. Default
152 is 100. Typical values for double buffering will be 200,
153 triple buffering 300.
154
155config DRM_FBDEV_LEAK_PHYS_SMEM
156 bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)"
157 depends on DRM_FBDEV_EMULATION && EXPERT
158 default n
159 help
160 In order to keep user-space compatibility, we want in certain
161 use-cases to keep leaking the fbdev physical address to the
162 user-space program handling the fbdev buffer.
163 This affects, not only, Amlogic, Allwinner or Rockchip devices
164 with ARM Mali GPUs using an userspace Blob.
165 This option is not supported by upstream developers and should be
166 removed as soon as possible and be considered as a broken and
167 legacy behaviour from a modern fbdev device driver.
168
169 Please send any bug reports when using this to your proprietary
170 software vendor that requires this.
171
172 If in doubt, say "N" or spread the word to your closed source
173 library vendor.
174
175config DRM_LOAD_EDID_FIRMWARE
176 bool "Allow to specify an EDID data set instead of probing for it"
177 depends on DRM
178 help
179 Say Y here, if you want to use EDID data to be loaded from the
180 /lib/firmware directory or one of the provided built-in
181 data sets. This may be necessary, if the graphics adapter or
182 monitor are unable to provide appropriate EDID data. Since this
183 feature is provided as a workaround for broken hardware, the
184 default case is N. Details and instructions how to build your own
185 EDID data are given in Documentation/admin-guide/edid.rst.
186
187source "drivers/gpu/drm/display/Kconfig"
188
189config DRM_TTM
190 tristate
191 depends on DRM && MMU
192 help
193 GPU memory management subsystem for devices with multiple
194 GPU memory types. Will be enabled automatically if a device driver
195 uses it.
196
197config DRM_BUDDY
198 tristate
199 depends on DRM
200 help
201 A page based buddy allocator
202
203config DRM_VRAM_HELPER
204 tristate
205 depends on DRM
206 help
207 Helpers for VRAM memory management
208
209config DRM_TTM_HELPER
210 tristate
211 depends on DRM
212 select DRM_TTM
213 help
214 Helpers for ttm-based gem objects
215
216config DRM_GEM_DMA_HELPER
217 tristate
218 depends on DRM
219 help
220 Choose this if you need the GEM DMA helper functions
221
222config DRM_GEM_SHMEM_HELPER
223 tristate
224 depends on DRM && MMU
225 help
226 Choose this if you need the GEM shmem helper functions
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 depends on AGP || !AGP
240 select FW_LOADER
241 select DRM_DISPLAY_DP_HELPER
242 select DRM_DISPLAY_HELPER
243 select DRM_KMS_HELPER
244 select DRM_TTM
245 select DRM_TTM_HELPER
246 select POWER_SUPPLY
247 select HWMON
248 select BACKLIGHT_CLASS_DEVICE
249 select INTERVAL_TREE
250 # radeon depends on ACPI_VIDEO when ACPI is enabled, for select to work
251 # ACPI_VIDEO's dependencies must also be selected.
252 select INPUT if ACPI
253 select ACPI_VIDEO if ACPI
254 # On x86 ACPI_VIDEO also needs ACPI_WMI
255 select X86_PLATFORM_DEVICES if ACPI && X86
256 select ACPI_WMI if ACPI && X86
257 help
258 Choose this option if you have an ATI Radeon graphics card. There
259 are both PCI and AGP versions. You don't need to choose this to
260 run the Radeon in plain VGA mode.
261
262 If M is selected, the module will be called radeon.
263
264source "drivers/gpu/drm/radeon/Kconfig"
265
266config DRM_AMDGPU
267 tristate "AMD GPU"
268 depends on DRM && PCI && MMU
269 select FW_LOADER
270 select DRM_DISPLAY_DP_HELPER
271 select DRM_DISPLAY_HDMI_HELPER
272 select DRM_DISPLAY_HELPER
273 select DRM_KMS_HELPER
274 select DRM_SCHED
275 select DRM_TTM
276 select DRM_TTM_HELPER
277 select POWER_SUPPLY
278 select HWMON
279 select BACKLIGHT_CLASS_DEVICE
280 select INTERVAL_TREE
281 select DRM_BUDDY
282 # amdgpu depends on ACPI_VIDEO when ACPI is enabled, for select to work
283 # ACPI_VIDEO's dependencies must also be selected.
284 select INPUT if ACPI
285 select ACPI_VIDEO if ACPI
286 # On x86 ACPI_VIDEO also needs ACPI_WMI
287 select X86_PLATFORM_DEVICES if ACPI && X86
288 select ACPI_WMI if ACPI && X86
289 help
290 Choose this option if you have a recent AMD Radeon graphics card.
291
292 If M is selected, the module will be called amdgpu.
293
294source "drivers/gpu/drm/amd/amdgpu/Kconfig"
295
296source "drivers/gpu/drm/nouveau/Kconfig"
297
298source "drivers/gpu/drm/i915/Kconfig"
299
300source "drivers/gpu/drm/kmb/Kconfig"
301
302config DRM_VGEM
303 tristate "Virtual GEM provider"
304 depends on DRM && MMU
305 select DRM_GEM_SHMEM_HELPER
306 help
307 Choose this option to get a virtual graphics memory manager,
308 as used by Mesa's software renderer for enhanced performance.
309 If M is selected the module will be called vgem.
310
311config DRM_VKMS
312 tristate "Virtual KMS (EXPERIMENTAL)"
313 depends on DRM && MMU
314 select DRM_KMS_HELPER
315 select DRM_GEM_SHMEM_HELPER
316 select CRC32
317 default n
318 help
319 Virtual Kernel Mode-Setting (VKMS) is used for testing or for
320 running GPU in a headless machines. Choose this option to get
321 a VKMS.
322
323 If M is selected the module will be called vkms.
324
325source "drivers/gpu/drm/exynos/Kconfig"
326
327source "drivers/gpu/drm/rockchip/Kconfig"
328
329source "drivers/gpu/drm/vmwgfx/Kconfig"
330
331source "drivers/gpu/drm/gma500/Kconfig"
332
333source "drivers/gpu/drm/udl/Kconfig"
334
335source "drivers/gpu/drm/ast/Kconfig"
336
337source "drivers/gpu/drm/mgag200/Kconfig"
338
339source "drivers/gpu/drm/armada/Kconfig"
340
341source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
342
343source "drivers/gpu/drm/rcar-du/Kconfig"
344
345source "drivers/gpu/drm/shmobile/Kconfig"
346
347source "drivers/gpu/drm/sun4i/Kconfig"
348
349source "drivers/gpu/drm/omapdrm/Kconfig"
350
351source "drivers/gpu/drm/tilcdc/Kconfig"
352
353source "drivers/gpu/drm/qxl/Kconfig"
354
355source "drivers/gpu/drm/virtio/Kconfig"
356
357source "drivers/gpu/drm/msm/Kconfig"
358
359source "drivers/gpu/drm/fsl-dcu/Kconfig"
360
361source "drivers/gpu/drm/tegra/Kconfig"
362
363source "drivers/gpu/drm/stm/Kconfig"
364
365source "drivers/gpu/drm/panel/Kconfig"
366
367source "drivers/gpu/drm/bridge/Kconfig"
368
369source "drivers/gpu/drm/sti/Kconfig"
370
371source "drivers/gpu/drm/imx/Kconfig"
372
373source "drivers/gpu/drm/ingenic/Kconfig"
374
375source "drivers/gpu/drm/v3d/Kconfig"
376
377source "drivers/gpu/drm/vc4/Kconfig"
378
379source "drivers/gpu/drm/etnaviv/Kconfig"
380
381source "drivers/gpu/drm/hisilicon/Kconfig"
382
383source "drivers/gpu/drm/logicvc/Kconfig"
384
385source "drivers/gpu/drm/mediatek/Kconfig"
386
387source "drivers/gpu/drm/mxsfb/Kconfig"
388
389source "drivers/gpu/drm/meson/Kconfig"
390
391source "drivers/gpu/drm/tiny/Kconfig"
392
393source "drivers/gpu/drm/pl111/Kconfig"
394
395source "drivers/gpu/drm/tve200/Kconfig"
396
397source "drivers/gpu/drm/xen/Kconfig"
398
399source "drivers/gpu/drm/vboxvideo/Kconfig"
400
401source "drivers/gpu/drm/lima/Kconfig"
402
403source "drivers/gpu/drm/panfrost/Kconfig"
404
405source "drivers/gpu/drm/aspeed/Kconfig"
406
407source "drivers/gpu/drm/mcde/Kconfig"
408
409source "drivers/gpu/drm/tidss/Kconfig"
410
411source "drivers/gpu/drm/xlnx/Kconfig"
412
413source "drivers/gpu/drm/gud/Kconfig"
414
415source "drivers/gpu/drm/solomon/Kconfig"
416
417source "drivers/gpu/drm/sprd/Kconfig"
418
419config DRM_HYPERV
420 tristate "DRM Support for Hyper-V synthetic video device"
421 depends on DRM && PCI && MMU && HYPERV
422 select DRM_KMS_HELPER
423 select DRM_GEM_SHMEM_HELPER
424 help
425 This is a KMS driver for Hyper-V synthetic video device. Choose this
426 option if you would like to enable drm driver for Hyper-V virtual
427 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so
428 that DRM driver is used by default.
429
430 If M is selected the module will be called hyperv_drm.
431
432# Keep legacy drivers last
433
434menuconfig DRM_LEGACY
435 bool "Enable legacy drivers (DANGEROUS)"
436 depends on DRM && MMU
437 help
438 Enable legacy DRI1 drivers. Those drivers expose unsafe and dangerous
439 APIs to user-space, which can be used to circumvent access
440 restrictions and other security measures. For backwards compatibility
441 those drivers are still available, but their use is highly
442 inadvisable and might harm your system.
443
444 You are recommended to use the safe modeset-only drivers instead, and
445 perform 3D emulation in user-space.
446
447 Unless you have strong reasons to go rogue, say "N".
448
449if DRM_LEGACY
450
451config DRM_TDFX
452 tristate "3dfx Banshee/Voodoo3+"
453 depends on DRM && PCI
454 help
455 Choose this option if you have a 3dfx Banshee or Voodoo3 (or later),
456 graphics card. If M is selected, the module will be called tdfx.
457
458config DRM_R128
459 tristate "ATI Rage 128"
460 depends on DRM && PCI
461 select FW_LOADER
462 help
463 Choose this option if you have an ATI Rage 128 graphics card. If M
464 is selected, the module will be called r128. AGP support for
465 this card is strongly suggested (unless you have a PCI version).
466
467config DRM_I810
468 tristate "Intel I810"
469 # !PREEMPTION because of missing ioctl locking
470 depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN)
471 help
472 Choose this option if you have an Intel I810 graphics card. If M is
473 selected, the module will be called i810. AGP support is required
474 for this driver to work.
475
476config DRM_MGA
477 tristate "Matrox g200/g400"
478 depends on DRM && PCI
479 select FW_LOADER
480 help
481 Choose this option if you have a Matrox G200, G400 or G450 graphics
482 card. If M is selected, the module will be called mga. AGP
483 support is required for this driver to work.
484
485config DRM_SIS
486 tristate "SiS video cards"
487 depends on DRM && AGP
488 depends on FB_SIS || FB_SIS=n
489 help
490 Choose this option if you have a SiS 630 or compatible video
491 chipset. If M is selected the module will be called sis. AGP
492 support is required for this driver to work.
493
494config DRM_VIA
495 tristate "Via unichrome video cards"
496 depends on DRM && PCI
497 help
498 Choose this option if you have a Via unichrome or compatible video
499 chipset. If M is selected the module will be called via.
500
501config DRM_SAVAGE
502 tristate "Savage video cards"
503 depends on DRM && PCI
504 help
505 Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
506 chipset. If M is selected the module will be called savage.
507
508endif # DRM_LEGACY
509
510config DRM_EXPORT_FOR_TESTS
511 bool
512
513# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
514config DRM_PANEL_ORIENTATION_QUIRKS
515 tristate
516
517# Separate option because nomodeset parameter is global and expected built-in
518config DRM_NOMODESET
519 bool
520 default n
521
522config DRM_LIB_RANDOM
523 bool
524 default n
525
526config DRM_PRIVACY_SCREEN
527 bool
528 default n