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