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_HDMI_STATE_HELPER 83 select DRM_DISPLAY_HELPER 84 select DRM_EXEC 85 select DRM_EXPORT_FOR_TESTS if m 86 select DRM_GEM_SHMEM_HELPER 87 select DRM_KUNIT_TEST_HELPERS 88 select DRM_LIB_RANDOM 89 select PRIME_NUMBERS 90 default KUNIT_ALL_TESTS 91 help 92 This builds unit tests for DRM. This option is not useful for 93 distributions or general kernels, but only for kernel 94 developers working on DRM and associated drivers. 95 96 For more information on KUnit and unit tests in general, 97 please refer to the KUnit documentation in 98 Documentation/dev-tools/kunit/. 99 100 If in doubt, say "N". 101 102config DRM_KMS_HELPER 103 tristate 104 depends on DRM 105 help 106 CRTC helpers for KMS drivers. 107 108config DRM_PANIC 109 bool "Display a user-friendly message when a kernel panic occurs" 110 depends on DRM && !(FRAMEBUFFER_CONSOLE && VT_CONSOLE) 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_PANIC_SCREEN 140 string "Panic screen formatter" 141 default "user" 142 depends on DRM_PANIC 143 help 144 This option enable to choose what will be displayed when a kernel 145 panic occurs. You can choose between "user", a short message telling 146 the user to reboot the system, or "kmsg" which will display the last 147 lines of kmsg. 148 This can also be overridden by drm.panic_screen=xxxx kernel parameter 149 or by writing to /sys/module/drm/parameters/panic_screen sysfs entry 150 Default is "user" 151 152config DRM_DEBUG_DP_MST_TOPOLOGY_REFS 153 bool "Enable refcount backtrace history in the DP MST helpers" 154 depends on STACKTRACE_SUPPORT 155 select STACKDEPOT 156 depends on DRM_KMS_HELPER 157 depends on DEBUG_KERNEL 158 depends on EXPERT 159 help 160 Enables debug tracing for topology refs in DRM's DP MST helpers. A 161 history of each topology reference/dereference will be printed to the 162 kernel log once a port or branch device's topology refcount reaches 0. 163 164 This has the potential to use a lot of memory and print some very 165 large kernel messages. If in doubt, say "N". 166 167config DRM_DEBUG_MODESET_LOCK 168 bool "Enable backtrace history for lock contention" 169 depends on STACKTRACE_SUPPORT 170 depends on DEBUG_KERNEL 171 depends on EXPERT 172 select STACKDEPOT 173 default y if DEBUG_WW_MUTEX_SLOWPATH 174 help 175 Enable debug tracing of failures to gracefully handle drm modeset lock 176 contention. A history of each drm modeset lock path hitting -EDEADLK 177 will be saved until gracefully handled, and the backtrace will be 178 printed when attempting to lock a contended lock. 179 180 If in doubt, say "N". 181 182config DRM_FBDEV_EMULATION 183 bool "Enable legacy fbdev support for your modesetting driver" 184 depends on DRM 185 select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE 186 default FB 187 help 188 Choose this option if you have a need for the legacy fbdev 189 support. Note that this support also provides the linux console 190 support on top of your modesetting driver. 191 192 If in doubt, say "Y". 193 194config DRM_FBDEV_OVERALLOC 195 int "Overallocation of the fbdev buffer" 196 depends on DRM_FBDEV_EMULATION 197 default 100 198 help 199 Defines the fbdev buffer overallocation in percent. Default 200 is 100. Typical values for double buffering will be 200, 201 triple buffering 300. 202 203config DRM_FBDEV_LEAK_PHYS_SMEM 204 bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)" 205 depends on DRM_FBDEV_EMULATION && EXPERT 206 default n 207 help 208 In order to keep user-space compatibility, we want in certain 209 use-cases to keep leaking the fbdev physical address to the 210 user-space program handling the fbdev buffer. 211 This affects, not only, Amlogic, Allwinner or Rockchip devices 212 with ARM Mali GPUs using an userspace Blob. 213 This option is not supported by upstream developers and should be 214 removed as soon as possible and be considered as a broken and 215 legacy behaviour from a modern fbdev device driver. 216 217 Please send any bug reports when using this to your proprietary 218 software vendor that requires this. 219 220 If in doubt, say "N" or spread the word to your closed source 221 library vendor. 222 223config DRM_LOAD_EDID_FIRMWARE 224 bool "Allow to specify an EDID data set instead of probing for it" 225 depends on DRM 226 help 227 Say Y here, if you want to use EDID data to be loaded from the 228 /lib/firmware directory or one of the provided built-in 229 data sets. This may be necessary, if the graphics adapter or 230 monitor are unable to provide appropriate EDID data. Since this 231 feature is provided as a workaround for broken hardware, the 232 default case is N. Details and instructions how to build your own 233 EDID data are given in Documentation/admin-guide/edid.rst. 234 235source "drivers/gpu/drm/display/Kconfig" 236 237config DRM_TTM 238 tristate 239 depends on DRM && MMU 240 help 241 GPU memory management subsystem for devices with multiple 242 GPU memory types. Will be enabled automatically if a device driver 243 uses it. 244 245config DRM_TTM_KUNIT_TEST 246 tristate "KUnit tests for TTM" if !KUNIT_ALL_TESTS 247 default n 248 depends on DRM && KUNIT && MMU && (UML || COMPILE_TEST) 249 select DRM_TTM 250 select DRM_BUDDY 251 select DRM_EXPORT_FOR_TESTS if m 252 select DRM_KUNIT_TEST_HELPERS 253 default KUNIT_ALL_TESTS 254 help 255 Enables unit tests for TTM, a GPU memory manager subsystem used 256 to manage memory buffers. This option is mostly useful for kernel 257 developers. It depends on (UML || COMPILE_TEST) since no other driver 258 which uses TTM can be loaded while running the tests. 259 260 If in doubt, say "N". 261 262config DRM_EXEC 263 tristate 264 depends on DRM 265 help 266 Execution context for command submissions 267 268config DRM_GPUVM 269 tristate 270 depends on DRM 271 help 272 GPU-VM representation providing helpers to manage a GPUs virtual 273 address space 274 275config DRM_BUDDY 276 tristate 277 depends on DRM 278 help 279 A page based buddy allocator 280 281config DRM_VRAM_HELPER 282 tristate 283 depends on DRM 284 help 285 Helpers for VRAM memory management 286 287config DRM_TTM_HELPER 288 tristate 289 depends on DRM 290 select DRM_TTM 291 help 292 Helpers for ttm-based gem objects 293 294config DRM_GEM_DMA_HELPER 295 tristate 296 depends on DRM 297 select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION 298 help 299 Choose this if you need the GEM DMA helper functions 300 301config DRM_GEM_SHMEM_HELPER 302 tristate 303 depends on DRM && MMU 304 help 305 Choose this if you need the GEM shmem helper functions 306 307config DRM_SUBALLOC_HELPER 308 tristate 309 depends on DRM 310 311config DRM_SCHED 312 tristate 313 depends on DRM 314 315source "drivers/gpu/drm/i2c/Kconfig" 316 317source "drivers/gpu/drm/arm/Kconfig" 318 319source "drivers/gpu/drm/radeon/Kconfig" 320 321source "drivers/gpu/drm/amd/amdgpu/Kconfig" 322 323source "drivers/gpu/drm/nouveau/Kconfig" 324 325source "drivers/gpu/drm/i915/Kconfig" 326 327source "drivers/gpu/drm/xe/Kconfig" 328 329source "drivers/gpu/drm/kmb/Kconfig" 330 331config DRM_VGEM 332 tristate "Virtual GEM provider" 333 depends on DRM && MMU 334 select DRM_GEM_SHMEM_HELPER 335 help 336 Choose this option to get a virtual graphics memory manager, 337 as used by Mesa's software renderer for enhanced performance. 338 If M is selected the module will be called vgem. 339 340source "drivers/gpu/drm/vkms/Kconfig" 341 342source "drivers/gpu/drm/exynos/Kconfig" 343 344source "drivers/gpu/drm/rockchip/Kconfig" 345 346source "drivers/gpu/drm/vmwgfx/Kconfig" 347 348source "drivers/gpu/drm/gma500/Kconfig" 349 350source "drivers/gpu/drm/udl/Kconfig" 351 352source "drivers/gpu/drm/ast/Kconfig" 353 354source "drivers/gpu/drm/mgag200/Kconfig" 355 356source "drivers/gpu/drm/armada/Kconfig" 357 358source "drivers/gpu/drm/atmel-hlcdc/Kconfig" 359 360source "drivers/gpu/drm/renesas/Kconfig" 361 362source "drivers/gpu/drm/sun4i/Kconfig" 363 364source "drivers/gpu/drm/omapdrm/Kconfig" 365 366source "drivers/gpu/drm/tilcdc/Kconfig" 367 368source "drivers/gpu/drm/qxl/Kconfig" 369 370source "drivers/gpu/drm/virtio/Kconfig" 371 372source "drivers/gpu/drm/msm/Kconfig" 373 374source "drivers/gpu/drm/fsl-dcu/Kconfig" 375 376source "drivers/gpu/drm/tegra/Kconfig" 377 378source "drivers/gpu/drm/stm/Kconfig" 379 380source "drivers/gpu/drm/panel/Kconfig" 381 382source "drivers/gpu/drm/bridge/Kconfig" 383 384source "drivers/gpu/drm/sti/Kconfig" 385 386source "drivers/gpu/drm/imx/Kconfig" 387 388source "drivers/gpu/drm/ingenic/Kconfig" 389 390source "drivers/gpu/drm/v3d/Kconfig" 391 392source "drivers/gpu/drm/vc4/Kconfig" 393 394source "drivers/gpu/drm/loongson/Kconfig" 395 396source "drivers/gpu/drm/etnaviv/Kconfig" 397 398source "drivers/gpu/drm/hisilicon/Kconfig" 399 400source "drivers/gpu/drm/logicvc/Kconfig" 401 402source "drivers/gpu/drm/mediatek/Kconfig" 403 404source "drivers/gpu/drm/mxsfb/Kconfig" 405 406source "drivers/gpu/drm/meson/Kconfig" 407 408source "drivers/gpu/drm/tiny/Kconfig" 409 410source "drivers/gpu/drm/pl111/Kconfig" 411 412source "drivers/gpu/drm/tve200/Kconfig" 413 414source "drivers/gpu/drm/xen/Kconfig" 415 416source "drivers/gpu/drm/vboxvideo/Kconfig" 417 418source "drivers/gpu/drm/lima/Kconfig" 419 420source "drivers/gpu/drm/panfrost/Kconfig" 421 422source "drivers/gpu/drm/panthor/Kconfig" 423 424source "drivers/gpu/drm/aspeed/Kconfig" 425 426source "drivers/gpu/drm/mcde/Kconfig" 427 428source "drivers/gpu/drm/tidss/Kconfig" 429 430source "drivers/gpu/drm/xlnx/Kconfig" 431 432source "drivers/gpu/drm/gud/Kconfig" 433 434source "drivers/gpu/drm/solomon/Kconfig" 435 436source "drivers/gpu/drm/sprd/Kconfig" 437 438source "drivers/gpu/drm/imagination/Kconfig" 439 440config DRM_HYPERV 441 tristate "DRM Support for Hyper-V synthetic video device" 442 depends on DRM && PCI && MMU && HYPERV 443 select DRM_KMS_HELPER 444 select DRM_GEM_SHMEM_HELPER 445 help 446 This is a KMS driver for Hyper-V synthetic video device. Choose this 447 option if you would like to enable drm driver for Hyper-V virtual 448 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so 449 that DRM driver is used by default. 450 451 If M is selected the module will be called hyperv_drm. 452 453config DRM_EXPORT_FOR_TESTS 454 bool 455 456config DRM_LIB_RANDOM 457 bool 458 default n 459 460config DRM_PRIVACY_SCREEN 461 bool 462 default n 463 464config DRM_WERROR 465 bool "Compile the drm subsystem with warnings as errors" 466 depends on DRM && EXPERT 467 depends on !WERROR 468 default n 469 help 470 A kernel build should not cause any compiler warnings, and this 471 enables the '-Werror' flag to enforce that rule in the drm subsystem. 472 473 The drm subsystem enables more warnings than the kernel default, so 474 this config option is disabled by default. 475 476 If in doubt, say N. 477 478endif 479 480# Separate option because drm_panel_orientation_quirks.c is shared with fbdev 481config DRM_PANEL_ORIENTATION_QUIRKS 482 tristate 483