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 DRM_KMS_HELPER if DRM_FBDEV_EMULATION 13 select FB_CORE if DRM_FBDEV_EMULATION 14 select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION 15 select HDMI 16 select I2C 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 select VIDEO 23 help 24 Kernel-level support for the Direct Rendering Infrastructure (DRI) 25 introduced in XFree86 4.0. If you say Y here, you need to select 26 the module that's right for your graphics card from the list below. 27 These modules provide support for synchronization, security, and 28 DMA transfers. Please see <http://dri.sourceforge.net/> for more 29 details. You should also select and configure AGP 30 (/dev/agpgart) support if it is available for your platform. 31 32if DRM 33 34config DRM_MIPI_DBI 35 tristate 36 depends on DRM 37 select DRM_KMS_HELPER 38 39config DRM_MIPI_DSI 40 bool 41 depends on DRM 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 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_USE_DYNAMIC_DEBUG 58 bool "use dynamic debug to implement drm.debug" 59 default n 60 depends on BROKEN 61 depends on DRM 62 depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE 63 depends on JUMP_LABEL 64 help 65 Use dynamic-debug to avoid drm_debug_enabled() runtime overheads. 66 Due to callsite counts in DRM drivers (~4k in amdgpu) and 56 67 bytes per callsite, the .data costs can be substantial, and 68 are therefore configurable. 69 70config DRM_KUNIT_TEST_HELPERS 71 tristate 72 depends on DRM && KUNIT 73 select DRM_KMS_HELPER 74 help 75 KUnit Helpers for KMS drivers. 76 77config DRM_KUNIT_TEST 78 tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS 79 depends on DRM && KUNIT && MMU 80 select DRM_BUDDY 81 select DRM_DISPLAY_DP_HELPER 82 select DRM_DISPLAY_HELPER 83 select DRM_EXEC 84 select DRM_EXPORT_FOR_TESTS if m 85 select DRM_GEM_SHMEM_HELPER 86 select DRM_KUNIT_TEST_HELPERS 87 select DRM_LIB_RANDOM 88 select PRIME_NUMBERS 89 default KUNIT_ALL_TESTS 90 help 91 This builds unit tests for DRM. This option is not useful for 92 distributions or general kernels, but only for kernel 93 developers working on DRM and associated drivers. 94 95 For more information on KUnit and unit tests in general, 96 please refer to the KUnit documentation in 97 Documentation/dev-tools/kunit/. 98 99 If in doubt, say "N". 100 101config DRM_KMS_HELPER 102 tristate 103 depends on DRM 104 help 105 CRTC helpers for KMS drivers. 106 107config DRM_PANIC 108 bool "Display a user-friendly message when a kernel panic occurs" 109 depends on DRM && !FRAMEBUFFER_CONSOLE 110 select DRM_KMS_HELPER 111 select FONT_SUPPORT 112 help 113 Enable a drm panic handler, which will display a user-friendly message 114 when a kernel panic occurs. It's useful when using a user-space 115 console instead of fbcon. 116 It will only work if your graphic driver supports this feature. 117 To support Hi-DPI Display, you can enable bigger fonts like 118 FONT_TER16x32 119 120config DRM_PANIC_FOREGROUND_COLOR 121 hex "Drm panic screen foreground color, in RGB" 122 depends on DRM_PANIC 123 default 0xffffff 124 125config DRM_PANIC_BACKGROUND_COLOR 126 hex "Drm panic screen background color, in RGB" 127 depends on DRM_PANIC 128 default 0x000000 129 130config DRM_PANIC_DEBUG 131 bool "Add a debug fs entry to trigger drm_panic" 132 depends on DRM_PANIC && DEBUG_FS 133 help 134 Add dri/[device]/drm_panic_plane_x in the kernel debugfs, to force the 135 panic handler to write the panic message to this plane scanout buffer. 136 This is unsafe and should not be enabled on a production build. 137 If in doubt, say "N". 138 139config DRM_DEBUG_DP_MST_TOPOLOGY_REFS 140 bool "Enable refcount backtrace history in the DP MST helpers" 141 depends on STACKTRACE_SUPPORT 142 select STACKDEPOT 143 depends on DRM_KMS_HELPER 144 depends on DEBUG_KERNEL 145 depends on EXPERT 146 help 147 Enables debug tracing for topology refs in DRM's DP MST helpers. A 148 history of each topology reference/dereference will be printed to the 149 kernel log once a port or branch device's topology refcount reaches 0. 150 151 This has the potential to use a lot of memory and print some very 152 large kernel messages. If in doubt, say "N". 153 154config DRM_DEBUG_MODESET_LOCK 155 bool "Enable backtrace history for lock contention" 156 depends on STACKTRACE_SUPPORT 157 depends on DEBUG_KERNEL 158 depends on EXPERT 159 select STACKDEPOT 160 default y if DEBUG_WW_MUTEX_SLOWPATH 161 help 162 Enable debug tracing of failures to gracefully handle drm modeset lock 163 contention. A history of each drm modeset lock path hitting -EDEADLK 164 will be saved until gracefully handled, and the backtrace will be 165 printed when attempting to lock a contended lock. 166 167 If in doubt, say "N". 168 169config DRM_FBDEV_EMULATION 170 bool "Enable legacy fbdev support for your modesetting driver" 171 depends on DRM 172 select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE 173 default FB 174 help 175 Choose this option if you have a need for the legacy fbdev 176 support. Note that this support also provides the linux console 177 support on top of your modesetting driver. 178 179 If in doubt, say "Y". 180 181config DRM_FBDEV_OVERALLOC 182 int "Overallocation of the fbdev buffer" 183 depends on DRM_FBDEV_EMULATION 184 default 100 185 help 186 Defines the fbdev buffer overallocation in percent. Default 187 is 100. Typical values for double buffering will be 200, 188 triple buffering 300. 189 190config DRM_FBDEV_LEAK_PHYS_SMEM 191 bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)" 192 depends on DRM_FBDEV_EMULATION && EXPERT 193 default n 194 help 195 In order to keep user-space compatibility, we want in certain 196 use-cases to keep leaking the fbdev physical address to the 197 user-space program handling the fbdev buffer. 198 This affects, not only, Amlogic, Allwinner or Rockchip devices 199 with ARM Mali GPUs using an userspace Blob. 200 This option is not supported by upstream developers and should be 201 removed as soon as possible and be considered as a broken and 202 legacy behaviour from a modern fbdev device driver. 203 204 Please send any bug reports when using this to your proprietary 205 software vendor that requires this. 206 207 If in doubt, say "N" or spread the word to your closed source 208 library vendor. 209 210config DRM_LOAD_EDID_FIRMWARE 211 bool "Allow to specify an EDID data set instead of probing for it" 212 depends on DRM 213 help 214 Say Y here, if you want to use EDID data to be loaded from the 215 /lib/firmware directory or one of the provided built-in 216 data sets. This may be necessary, if the graphics adapter or 217 monitor are unable to provide appropriate EDID data. Since this 218 feature is provided as a workaround for broken hardware, the 219 default case is N. Details and instructions how to build your own 220 EDID data are given in Documentation/admin-guide/edid.rst. 221 222source "drivers/gpu/drm/display/Kconfig" 223 224config DRM_TTM 225 tristate 226 depends on DRM && MMU 227 help 228 GPU memory management subsystem for devices with multiple 229 GPU memory types. Will be enabled automatically if a device driver 230 uses it. 231 232config DRM_TTM_KUNIT_TEST 233 tristate "KUnit tests for TTM" if !KUNIT_ALL_TESTS 234 default n 235 depends on DRM && KUNIT && MMU && (UML || COMPILE_TEST) 236 select DRM_TTM 237 select DRM_EXPORT_FOR_TESTS if m 238 select DRM_KUNIT_TEST_HELPERS 239 default KUNIT_ALL_TESTS 240 help 241 Enables unit tests for TTM, a GPU memory manager subsystem used 242 to manage memory buffers. This option is mostly useful for kernel 243 developers. It depends on (UML || COMPILE_TEST) since no other driver 244 which uses TTM can be loaded while running the tests. 245 246 If in doubt, say "N". 247 248config DRM_EXEC 249 tristate 250 depends on DRM 251 help 252 Execution context for command submissions 253 254config DRM_GPUVM 255 tristate 256 depends on DRM 257 select DRM_EXEC 258 help 259 GPU-VM representation providing helpers to manage a GPUs virtual 260 address space 261 262config DRM_BUDDY 263 tristate 264 depends on DRM 265 help 266 A page based buddy allocator 267 268config DRM_VRAM_HELPER 269 tristate 270 depends on DRM 271 help 272 Helpers for VRAM memory management 273 274config DRM_TTM_HELPER 275 tristate 276 depends on DRM 277 select DRM_TTM 278 help 279 Helpers for ttm-based gem objects 280 281config DRM_GEM_DMA_HELPER 282 tristate 283 depends on DRM 284 select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION 285 help 286 Choose this if you need the GEM DMA helper functions 287 288config DRM_GEM_SHMEM_HELPER 289 tristate 290 depends on DRM && MMU 291 help 292 Choose this if you need the GEM shmem helper functions 293 294config DRM_SUBALLOC_HELPER 295 tristate 296 depends on DRM 297 298config DRM_SCHED 299 tristate 300 depends on DRM 301 302source "drivers/gpu/drm/i2c/Kconfig" 303 304source "drivers/gpu/drm/arm/Kconfig" 305 306source "drivers/gpu/drm/radeon/Kconfig" 307 308source "drivers/gpu/drm/amd/amdgpu/Kconfig" 309 310source "drivers/gpu/drm/nouveau/Kconfig" 311 312source "drivers/gpu/drm/i915/Kconfig" 313 314source "drivers/gpu/drm/xe/Kconfig" 315 316source "drivers/gpu/drm/kmb/Kconfig" 317 318config DRM_VGEM 319 tristate "Virtual GEM provider" 320 depends on DRM && MMU 321 select DRM_GEM_SHMEM_HELPER 322 help 323 Choose this option to get a virtual graphics memory manager, 324 as used by Mesa's software renderer for enhanced performance. 325 If M is selected the module will be called vgem. 326 327source "drivers/gpu/drm/vkms/Kconfig" 328 329source "drivers/gpu/drm/exynos/Kconfig" 330 331source "drivers/gpu/drm/rockchip/Kconfig" 332 333source "drivers/gpu/drm/vmwgfx/Kconfig" 334 335source "drivers/gpu/drm/gma500/Kconfig" 336 337source "drivers/gpu/drm/udl/Kconfig" 338 339source "drivers/gpu/drm/ast/Kconfig" 340 341source "drivers/gpu/drm/mgag200/Kconfig" 342 343source "drivers/gpu/drm/armada/Kconfig" 344 345source "drivers/gpu/drm/atmel-hlcdc/Kconfig" 346 347source "drivers/gpu/drm/renesas/Kconfig" 348 349source "drivers/gpu/drm/sun4i/Kconfig" 350 351source "drivers/gpu/drm/omapdrm/Kconfig" 352 353source "drivers/gpu/drm/tilcdc/Kconfig" 354 355source "drivers/gpu/drm/qxl/Kconfig" 356 357source "drivers/gpu/drm/virtio/Kconfig" 358 359source "drivers/gpu/drm/msm/Kconfig" 360 361source "drivers/gpu/drm/fsl-dcu/Kconfig" 362 363source "drivers/gpu/drm/tegra/Kconfig" 364 365source "drivers/gpu/drm/stm/Kconfig" 366 367source "drivers/gpu/drm/panel/Kconfig" 368 369source "drivers/gpu/drm/bridge/Kconfig" 370 371source "drivers/gpu/drm/sti/Kconfig" 372 373source "drivers/gpu/drm/imx/Kconfig" 374 375source "drivers/gpu/drm/ingenic/Kconfig" 376 377source "drivers/gpu/drm/v3d/Kconfig" 378 379source "drivers/gpu/drm/vc4/Kconfig" 380 381source "drivers/gpu/drm/loongson/Kconfig" 382 383source "drivers/gpu/drm/etnaviv/Kconfig" 384 385source "drivers/gpu/drm/hisilicon/Kconfig" 386 387source "drivers/gpu/drm/logicvc/Kconfig" 388 389source "drivers/gpu/drm/mediatek/Kconfig" 390 391source "drivers/gpu/drm/mxsfb/Kconfig" 392 393source "drivers/gpu/drm/meson/Kconfig" 394 395source "drivers/gpu/drm/tiny/Kconfig" 396 397source "drivers/gpu/drm/pl111/Kconfig" 398 399source "drivers/gpu/drm/tve200/Kconfig" 400 401source "drivers/gpu/drm/xen/Kconfig" 402 403source "drivers/gpu/drm/vboxvideo/Kconfig" 404 405source "drivers/gpu/drm/lima/Kconfig" 406 407source "drivers/gpu/drm/panfrost/Kconfig" 408 409source "drivers/gpu/drm/panthor/Kconfig" 410 411source "drivers/gpu/drm/aspeed/Kconfig" 412 413source "drivers/gpu/drm/mcde/Kconfig" 414 415source "drivers/gpu/drm/tidss/Kconfig" 416 417source "drivers/gpu/drm/xlnx/Kconfig" 418 419source "drivers/gpu/drm/gud/Kconfig" 420 421source "drivers/gpu/drm/solomon/Kconfig" 422 423source "drivers/gpu/drm/sprd/Kconfig" 424 425source "drivers/gpu/drm/imagination/Kconfig" 426 427config DRM_HYPERV 428 tristate "DRM Support for Hyper-V synthetic video device" 429 depends on DRM && PCI && MMU && HYPERV 430 select DRM_KMS_HELPER 431 select DRM_GEM_SHMEM_HELPER 432 help 433 This is a KMS driver for Hyper-V synthetic video device. Choose this 434 option if you would like to enable drm driver for Hyper-V virtual 435 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so 436 that DRM driver is used by default. 437 438 If M is selected the module will be called hyperv_drm. 439 440config DRM_EXPORT_FOR_TESTS 441 bool 442 443config DRM_LIB_RANDOM 444 bool 445 default n 446 447config DRM_PRIVACY_SCREEN 448 bool 449 default n 450 451config DRM_WERROR 452 bool "Compile the drm subsystem with warnings as errors" 453 depends on DRM && EXPERT 454 depends on !WERROR 455 default n 456 help 457 A kernel build should not cause any compiler warnings, and this 458 enables the '-Werror' flag to enforce that rule in the drm subsystem. 459 460 The drm subsystem enables more warnings than the kernel default, so 461 this config option is disabled by default. 462 463 If in doubt, say N. 464 465endif 466 467# Separate option because drm_panel_orientation_quirks.c is shared with fbdev 468config DRM_PANEL_ORIENTATION_QUIRKS 469 tristate 470