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 32config DRM_MIPI_DBI 33 tristate 34 depends on DRM 35 select DRM_KMS_HELPER 36 37config DRM_MIPI_DSI 38 bool 39 depends on DRM 40 41config DRM_DEBUG_MM 42 bool "Insert extra checks and debug info into the DRM range managers" 43 default n 44 depends on DRM 45 depends on STACKTRACE_SUPPORT 46 select STACKDEPOT 47 help 48 Enable allocation tracking of memory manager and leak detection on 49 shutdown. 50 51 Recommended for driver developers only. 52 53 If in doubt, say "N". 54 55config DRM_USE_DYNAMIC_DEBUG 56 bool "use dynamic debug to implement drm.debug" 57 default n 58 depends on BROKEN 59 depends on DRM 60 depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE 61 depends on JUMP_LABEL 62 help 63 Use dynamic-debug to avoid drm_debug_enabled() runtime overheads. 64 Due to callsite counts in DRM drivers (~4k in amdgpu) and 56 65 bytes per callsite, the .data costs can be substantial, and 66 are therefore configurable. 67 68config DRM_KUNIT_TEST_HELPERS 69 tristate 70 depends on DRM && KUNIT 71 select DRM_KMS_HELPER 72 help 73 KUnit Helpers for KMS drivers. 74 75config DRM_KUNIT_TEST 76 tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS 77 depends on DRM 78 depends on DRM_DISPLAY_DP_HELPER 79 depends on DRM_DISPLAY_HELPER 80 depends on KUNIT 81 depends on MMU 82 select DRM_BUDDY 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 help 258 GPU-VM representation providing helpers to manage a GPUs virtual 259 address space 260 261config DRM_BUDDY 262 tristate 263 depends on DRM 264 help 265 A page based buddy allocator 266 267config DRM_VRAM_HELPER 268 tristate 269 depends on DRM 270 help 271 Helpers for VRAM memory management 272 273config DRM_TTM_HELPER 274 tristate 275 depends on DRM 276 select DRM_TTM 277 help 278 Helpers for ttm-based gem objects 279 280config DRM_GEM_DMA_HELPER 281 tristate 282 depends on DRM 283 select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION 284 help 285 Choose this if you need the GEM DMA helper functions 286 287config DRM_GEM_SHMEM_HELPER 288 tristate 289 depends on DRM && MMU 290 help 291 Choose this if you need the GEM shmem helper functions 292 293config DRM_SUBALLOC_HELPER 294 tristate 295 depends on DRM 296 297config DRM_SCHED 298 tristate 299 depends on DRM 300 301source "drivers/gpu/drm/i2c/Kconfig" 302 303source "drivers/gpu/drm/arm/Kconfig" 304 305source "drivers/gpu/drm/radeon/Kconfig" 306 307source "drivers/gpu/drm/amd/amdgpu/Kconfig" 308 309source "drivers/gpu/drm/nouveau/Kconfig" 310 311source "drivers/gpu/drm/i915/Kconfig" 312 313source "drivers/gpu/drm/xe/Kconfig" 314 315source "drivers/gpu/drm/kmb/Kconfig" 316 317config DRM_VGEM 318 tristate "Virtual GEM provider" 319 depends on DRM && MMU 320 select DRM_GEM_SHMEM_HELPER 321 help 322 Choose this option to get a virtual graphics memory manager, 323 as used by Mesa's software renderer for enhanced performance. 324 If M is selected the module will be called vgem. 325 326source "drivers/gpu/drm/vkms/Kconfig" 327 328source "drivers/gpu/drm/exynos/Kconfig" 329 330source "drivers/gpu/drm/rockchip/Kconfig" 331 332source "drivers/gpu/drm/vmwgfx/Kconfig" 333 334source "drivers/gpu/drm/gma500/Kconfig" 335 336source "drivers/gpu/drm/udl/Kconfig" 337 338source "drivers/gpu/drm/ast/Kconfig" 339 340source "drivers/gpu/drm/mgag200/Kconfig" 341 342source "drivers/gpu/drm/armada/Kconfig" 343 344source "drivers/gpu/drm/atmel-hlcdc/Kconfig" 345 346source "drivers/gpu/drm/renesas/Kconfig" 347 348source "drivers/gpu/drm/sun4i/Kconfig" 349 350source "drivers/gpu/drm/omapdrm/Kconfig" 351 352source "drivers/gpu/drm/tilcdc/Kconfig" 353 354source "drivers/gpu/drm/qxl/Kconfig" 355 356source "drivers/gpu/drm/virtio/Kconfig" 357 358source "drivers/gpu/drm/msm/Kconfig" 359 360source "drivers/gpu/drm/fsl-dcu/Kconfig" 361 362source "drivers/gpu/drm/tegra/Kconfig" 363 364source "drivers/gpu/drm/stm/Kconfig" 365 366source "drivers/gpu/drm/panel/Kconfig" 367 368source "drivers/gpu/drm/bridge/Kconfig" 369 370source "drivers/gpu/drm/sti/Kconfig" 371 372source "drivers/gpu/drm/imx/Kconfig" 373 374source "drivers/gpu/drm/ingenic/Kconfig" 375 376source "drivers/gpu/drm/v3d/Kconfig" 377 378source "drivers/gpu/drm/vc4/Kconfig" 379 380source "drivers/gpu/drm/loongson/Kconfig" 381 382source "drivers/gpu/drm/etnaviv/Kconfig" 383 384source "drivers/gpu/drm/hisilicon/Kconfig" 385 386source "drivers/gpu/drm/logicvc/Kconfig" 387 388source "drivers/gpu/drm/mediatek/Kconfig" 389 390source "drivers/gpu/drm/mxsfb/Kconfig" 391 392source "drivers/gpu/drm/meson/Kconfig" 393 394source "drivers/gpu/drm/tiny/Kconfig" 395 396source "drivers/gpu/drm/pl111/Kconfig" 397 398source "drivers/gpu/drm/tve200/Kconfig" 399 400source "drivers/gpu/drm/xen/Kconfig" 401 402source "drivers/gpu/drm/vboxvideo/Kconfig" 403 404source "drivers/gpu/drm/lima/Kconfig" 405 406source "drivers/gpu/drm/panfrost/Kconfig" 407 408source "drivers/gpu/drm/panthor/Kconfig" 409 410source "drivers/gpu/drm/aspeed/Kconfig" 411 412source "drivers/gpu/drm/mcde/Kconfig" 413 414source "drivers/gpu/drm/tidss/Kconfig" 415 416source "drivers/gpu/drm/xlnx/Kconfig" 417 418source "drivers/gpu/drm/gud/Kconfig" 419 420source "drivers/gpu/drm/solomon/Kconfig" 421 422source "drivers/gpu/drm/sprd/Kconfig" 423 424source "drivers/gpu/drm/imagination/Kconfig" 425 426config DRM_HYPERV 427 tristate "DRM Support for Hyper-V synthetic video device" 428 depends on DRM && PCI && MMU && HYPERV 429 select DRM_KMS_HELPER 430 select DRM_GEM_SHMEM_HELPER 431 help 432 This is a KMS driver for Hyper-V synthetic video device. Choose this 433 option if you would like to enable drm driver for Hyper-V virtual 434 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so 435 that DRM driver is used by default. 436 437 If M is selected the module will be called hyperv_drm. 438 439config DRM_EXPORT_FOR_TESTS 440 bool 441 442# Separate option because drm_panel_orientation_quirks.c is shared with fbdev 443config DRM_PANEL_ORIENTATION_QUIRKS 444 tristate 445 446config DRM_LIB_RANDOM 447 bool 448 default n 449 450config DRM_PRIVACY_SCREEN 451 bool 452 default n 453 454config DRM_WERROR 455 bool "Compile the drm subsystem with warnings as errors" 456 depends on DRM && EXPERT 457 default n 458 help 459 A kernel build should not cause any compiler warnings, and this 460 enables the '-Werror' flag to enforce that rule in the drm subsystem. 461 462 The drm subsystem enables more warnings than the kernel default, so 463 this config option is disabled by default. 464 465 If in doubt, say N. 466