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 select DRM_EXEC 272 help 273 GPU-VM representation providing helpers to manage a GPUs virtual 274 address space 275 276config DRM_BUDDY 277 tristate 278 depends on DRM 279 help 280 A page based buddy allocator 281 282config DRM_VRAM_HELPER 283 tristate 284 depends on DRM 285 help 286 Helpers for VRAM memory management 287 288config DRM_TTM_HELPER 289 tristate 290 depends on DRM 291 select DRM_TTM 292 help 293 Helpers for ttm-based gem objects 294 295config DRM_GEM_DMA_HELPER 296 tristate 297 depends on DRM 298 select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION 299 help 300 Choose this if you need the GEM DMA helper functions 301 302config DRM_GEM_SHMEM_HELPER 303 tristate 304 depends on DRM && MMU 305 help 306 Choose this if you need the GEM shmem helper functions 307 308config DRM_SUBALLOC_HELPER 309 tristate 310 depends on DRM 311 312config DRM_SCHED 313 tristate 314 depends on DRM 315 316source "drivers/gpu/drm/i2c/Kconfig" 317 318source "drivers/gpu/drm/arm/Kconfig" 319 320source "drivers/gpu/drm/radeon/Kconfig" 321 322source "drivers/gpu/drm/amd/amdgpu/Kconfig" 323 324source "drivers/gpu/drm/nouveau/Kconfig" 325 326source "drivers/gpu/drm/i915/Kconfig" 327 328source "drivers/gpu/drm/xe/Kconfig" 329 330source "drivers/gpu/drm/kmb/Kconfig" 331 332config DRM_VGEM 333 tristate "Virtual GEM provider" 334 depends on DRM && MMU 335 select DRM_GEM_SHMEM_HELPER 336 help 337 Choose this option to get a virtual graphics memory manager, 338 as used by Mesa's software renderer for enhanced performance. 339 If M is selected the module will be called vgem. 340 341source "drivers/gpu/drm/vkms/Kconfig" 342 343source "drivers/gpu/drm/exynos/Kconfig" 344 345source "drivers/gpu/drm/rockchip/Kconfig" 346 347source "drivers/gpu/drm/vmwgfx/Kconfig" 348 349source "drivers/gpu/drm/gma500/Kconfig" 350 351source "drivers/gpu/drm/udl/Kconfig" 352 353source "drivers/gpu/drm/ast/Kconfig" 354 355source "drivers/gpu/drm/mgag200/Kconfig" 356 357source "drivers/gpu/drm/armada/Kconfig" 358 359source "drivers/gpu/drm/atmel-hlcdc/Kconfig" 360 361source "drivers/gpu/drm/renesas/Kconfig" 362 363source "drivers/gpu/drm/sun4i/Kconfig" 364 365source "drivers/gpu/drm/omapdrm/Kconfig" 366 367source "drivers/gpu/drm/tilcdc/Kconfig" 368 369source "drivers/gpu/drm/qxl/Kconfig" 370 371source "drivers/gpu/drm/virtio/Kconfig" 372 373source "drivers/gpu/drm/msm/Kconfig" 374 375source "drivers/gpu/drm/fsl-dcu/Kconfig" 376 377source "drivers/gpu/drm/tegra/Kconfig" 378 379source "drivers/gpu/drm/stm/Kconfig" 380 381source "drivers/gpu/drm/panel/Kconfig" 382 383source "drivers/gpu/drm/bridge/Kconfig" 384 385source "drivers/gpu/drm/sti/Kconfig" 386 387source "drivers/gpu/drm/imx/Kconfig" 388 389source "drivers/gpu/drm/ingenic/Kconfig" 390 391source "drivers/gpu/drm/v3d/Kconfig" 392 393source "drivers/gpu/drm/vc4/Kconfig" 394 395source "drivers/gpu/drm/loongson/Kconfig" 396 397source "drivers/gpu/drm/etnaviv/Kconfig" 398 399source "drivers/gpu/drm/hisilicon/Kconfig" 400 401source "drivers/gpu/drm/logicvc/Kconfig" 402 403source "drivers/gpu/drm/mediatek/Kconfig" 404 405source "drivers/gpu/drm/mxsfb/Kconfig" 406 407source "drivers/gpu/drm/meson/Kconfig" 408 409source "drivers/gpu/drm/tiny/Kconfig" 410 411source "drivers/gpu/drm/pl111/Kconfig" 412 413source "drivers/gpu/drm/tve200/Kconfig" 414 415source "drivers/gpu/drm/xen/Kconfig" 416 417source "drivers/gpu/drm/vboxvideo/Kconfig" 418 419source "drivers/gpu/drm/lima/Kconfig" 420 421source "drivers/gpu/drm/panfrost/Kconfig" 422 423source "drivers/gpu/drm/panthor/Kconfig" 424 425source "drivers/gpu/drm/aspeed/Kconfig" 426 427source "drivers/gpu/drm/mcde/Kconfig" 428 429source "drivers/gpu/drm/tidss/Kconfig" 430 431source "drivers/gpu/drm/xlnx/Kconfig" 432 433source "drivers/gpu/drm/gud/Kconfig" 434 435source "drivers/gpu/drm/solomon/Kconfig" 436 437source "drivers/gpu/drm/sprd/Kconfig" 438 439source "drivers/gpu/drm/imagination/Kconfig" 440 441config DRM_HYPERV 442 tristate "DRM Support for Hyper-V synthetic video device" 443 depends on DRM && PCI && MMU && HYPERV 444 select DRM_KMS_HELPER 445 select DRM_GEM_SHMEM_HELPER 446 help 447 This is a KMS driver for Hyper-V synthetic video device. Choose this 448 option if you would like to enable drm driver for Hyper-V virtual 449 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so 450 that DRM driver is used by default. 451 452 If M is selected the module will be called hyperv_drm. 453 454config DRM_EXPORT_FOR_TESTS 455 bool 456 457config DRM_LIB_RANDOM 458 bool 459 default n 460 461config DRM_PRIVACY_SCREEN 462 bool 463 default n 464 465config DRM_WERROR 466 bool "Compile the drm subsystem with warnings as errors" 467 depends on DRM && EXPERT 468 depends on !WERROR 469 default n 470 help 471 A kernel build should not cause any compiler warnings, and this 472 enables the '-Werror' flag to enforce that rule in the drm subsystem. 473 474 The drm subsystem enables more warnings than the kernel default, so 475 this config option is disabled by default. 476 477 If in doubt, say N. 478 479endif 480 481# Separate option because drm_panel_orientation_quirks.c is shared with fbdev 482config DRM_PANEL_ORIENTATION_QUIRKS 483 tristate 484