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_SYS_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_CMDLINE 23 select VIDEO_NOMODESET 24 help 25 Kernel-level support for the Direct Rendering Infrastructure (DRI) 26 introduced in XFree86 4.0. If you say Y here, you need to select 27 the module that's right for your graphics card from the list below. 28 These modules provide support for synchronization, security, and 29 DMA transfers. Please see <http://dri.sourceforge.net/> for more 30 details. You should also select and configure AGP 31 (/dev/agpgart) support if it is available for your platform. 32 33config DRM_MIPI_DBI 34 tristate 35 depends on DRM 36 select DRM_KMS_HELPER 37 38config DRM_MIPI_DSI 39 bool 40 depends on DRM 41 42config DRM_DEBUG_MM 43 bool "Insert extra checks and debug info into the DRM range managers" 44 default n 45 depends on DRM=y 46 depends on STACKTRACE_SUPPORT 47 select STACKDEPOT 48 help 49 Enable allocation tracking of memory manager and leak detection on 50 shutdown. 51 52 Recommended for driver developers only. 53 54 If in doubt, say "N". 55 56config DRM_USE_DYNAMIC_DEBUG 57 bool "use dynamic debug to implement drm.debug" 58 default n 59 depends on BROKEN 60 depends on DRM 61 depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE 62 depends on JUMP_LABEL 63 help 64 Use dynamic-debug to avoid drm_debug_enabled() runtime overheads. 65 Due to callsite counts in DRM drivers (~4k in amdgpu) and 56 66 bytes per callsite, the .data costs can be substantial, and 67 are therefore configurable. 68 69config DRM_KUNIT_TEST_HELPERS 70 tristate 71 depends on DRM && KUNIT 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 && KUNIT 78 select PRIME_NUMBERS 79 select DRM_DISPLAY_DP_HELPER 80 select DRM_DISPLAY_HELPER 81 select DRM_LIB_RANDOM 82 select DRM_KMS_HELPER 83 select DRM_BUDDY 84 select DRM_EXPORT_FOR_TESTS if m 85 select DRM_KUNIT_TEST_HELPERS 86 select DRM_EXEC 87 default KUNIT_ALL_TESTS 88 help 89 This builds unit tests for DRM. This option is not useful for 90 distributions or general kernels, but only for kernel 91 developers working on DRM and associated drivers. 92 93 For more information on KUnit and unit tests in general, 94 please refer to the KUnit documentation in 95 Documentation/dev-tools/kunit/. 96 97 If in doubt, say "N". 98 99config DRM_KMS_HELPER 100 tristate 101 depends on DRM 102 help 103 CRTC helpers for KMS drivers. 104 105config DRM_DEBUG_DP_MST_TOPOLOGY_REFS 106 bool "Enable refcount backtrace history in the DP MST helpers" 107 depends on STACKTRACE_SUPPORT 108 select STACKDEPOT 109 depends on DRM_KMS_HELPER 110 depends on DEBUG_KERNEL 111 depends on EXPERT 112 help 113 Enables debug tracing for topology refs in DRM's DP MST helpers. A 114 history of each topology reference/dereference will be printed to the 115 kernel log once a port or branch device's topology refcount reaches 0. 116 117 This has the potential to use a lot of memory and print some very 118 large kernel messages. If in doubt, say "N". 119 120config DRM_DEBUG_MODESET_LOCK 121 bool "Enable backtrace history for lock contention" 122 depends on STACKTRACE_SUPPORT 123 depends on DEBUG_KERNEL 124 depends on EXPERT 125 select STACKDEPOT 126 default y if DEBUG_WW_MUTEX_SLOWPATH 127 help 128 Enable debug tracing of failures to gracefully handle drm modeset lock 129 contention. A history of each drm modeset lock path hitting -EDEADLK 130 will be saved until gracefully handled, and the backtrace will be 131 printed when attempting to lock a contended lock. 132 133 If in doubt, say "N". 134 135config DRM_FBDEV_EMULATION 136 bool "Enable legacy fbdev support for your modesetting driver" 137 depends on DRM 138 select FRAMEBUFFER_CONSOLE if !EXPERT 139 select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE 140 default y 141 help 142 Choose this option if you have a need for the legacy fbdev 143 support. Note that this support also provides the linux console 144 support on top of your modesetting driver. 145 146 If in doubt, say "Y". 147 148config DRM_FBDEV_OVERALLOC 149 int "Overallocation of the fbdev buffer" 150 depends on DRM_FBDEV_EMULATION 151 default 100 152 help 153 Defines the fbdev buffer overallocation in percent. Default 154 is 100. Typical values for double buffering will be 200, 155 triple buffering 300. 156 157config DRM_FBDEV_LEAK_PHYS_SMEM 158 bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)" 159 depends on DRM_FBDEV_EMULATION && EXPERT 160 default n 161 help 162 In order to keep user-space compatibility, we want in certain 163 use-cases to keep leaking the fbdev physical address to the 164 user-space program handling the fbdev buffer. 165 This affects, not only, Amlogic, Allwinner or Rockchip devices 166 with ARM Mali GPUs using an userspace Blob. 167 This option is not supported by upstream developers and should be 168 removed as soon as possible and be considered as a broken and 169 legacy behaviour from a modern fbdev device driver. 170 171 Please send any bug reports when using this to your proprietary 172 software vendor that requires this. 173 174 If in doubt, say "N" or spread the word to your closed source 175 library vendor. 176 177config DRM_LOAD_EDID_FIRMWARE 178 bool "Allow to specify an EDID data set instead of probing for it" 179 depends on DRM 180 help 181 Say Y here, if you want to use EDID data to be loaded from the 182 /lib/firmware directory or one of the provided built-in 183 data sets. This may be necessary, if the graphics adapter or 184 monitor are unable to provide appropriate EDID data. Since this 185 feature is provided as a workaround for broken hardware, the 186 default case is N. Details and instructions how to build your own 187 EDID data are given in Documentation/admin-guide/edid.rst. 188 189source "drivers/gpu/drm/display/Kconfig" 190 191config DRM_TTM 192 tristate 193 depends on DRM && MMU 194 help 195 GPU memory management subsystem for devices with multiple 196 GPU memory types. Will be enabled automatically if a device driver 197 uses it. 198 199config DRM_EXEC 200 tristate 201 depends on DRM 202 help 203 Execution context for command submissions 204 205config DRM_BUDDY 206 tristate 207 depends on DRM 208 help 209 A page based buddy allocator 210 211config DRM_VRAM_HELPER 212 tristate 213 depends on DRM 214 help 215 Helpers for VRAM memory management 216 217config DRM_TTM_HELPER 218 tristate 219 depends on DRM 220 select DRM_TTM 221 help 222 Helpers for ttm-based gem objects 223 224config DRM_GEM_DMA_HELPER 225 tristate 226 depends on DRM 227 select FB_DMA_HELPERS if DRM_FBDEV_EMULATION 228 help 229 Choose this if you need the GEM DMA helper functions 230 231config DRM_GEM_SHMEM_HELPER 232 tristate 233 depends on DRM && MMU 234 help 235 Choose this if you need the GEM shmem helper functions 236 237config DRM_SUBALLOC_HELPER 238 tristate 239 depends on DRM 240 241config DRM_SCHED 242 tristate 243 depends on DRM 244 245source "drivers/gpu/drm/i2c/Kconfig" 246 247source "drivers/gpu/drm/arm/Kconfig" 248 249source "drivers/gpu/drm/radeon/Kconfig" 250 251source "drivers/gpu/drm/amd/amdgpu/Kconfig" 252 253source "drivers/gpu/drm/nouveau/Kconfig" 254 255source "drivers/gpu/drm/i915/Kconfig" 256 257source "drivers/gpu/drm/kmb/Kconfig" 258 259config DRM_VGEM 260 tristate "Virtual GEM provider" 261 depends on DRM && MMU 262 select DRM_GEM_SHMEM_HELPER 263 help 264 Choose this option to get a virtual graphics memory manager, 265 as used by Mesa's software renderer for enhanced performance. 266 If M is selected the module will be called vgem. 267 268config DRM_VKMS 269 tristate "Virtual KMS (EXPERIMENTAL)" 270 depends on DRM && MMU 271 select DRM_KMS_HELPER 272 select DRM_GEM_SHMEM_HELPER 273 select CRC32 274 default n 275 help 276 Virtual Kernel Mode-Setting (VKMS) is used for testing or for 277 running GPU in a headless machines. Choose this option to get 278 a VKMS. 279 280 If M is selected the module will be called vkms. 281 282source "drivers/gpu/drm/exynos/Kconfig" 283 284source "drivers/gpu/drm/rockchip/Kconfig" 285 286source "drivers/gpu/drm/vmwgfx/Kconfig" 287 288source "drivers/gpu/drm/gma500/Kconfig" 289 290source "drivers/gpu/drm/udl/Kconfig" 291 292source "drivers/gpu/drm/ast/Kconfig" 293 294source "drivers/gpu/drm/mgag200/Kconfig" 295 296source "drivers/gpu/drm/armada/Kconfig" 297 298source "drivers/gpu/drm/atmel-hlcdc/Kconfig" 299 300source "drivers/gpu/drm/renesas/Kconfig" 301 302source "drivers/gpu/drm/sun4i/Kconfig" 303 304source "drivers/gpu/drm/omapdrm/Kconfig" 305 306source "drivers/gpu/drm/tilcdc/Kconfig" 307 308source "drivers/gpu/drm/qxl/Kconfig" 309 310source "drivers/gpu/drm/virtio/Kconfig" 311 312source "drivers/gpu/drm/msm/Kconfig" 313 314source "drivers/gpu/drm/fsl-dcu/Kconfig" 315 316source "drivers/gpu/drm/tegra/Kconfig" 317 318source "drivers/gpu/drm/stm/Kconfig" 319 320source "drivers/gpu/drm/panel/Kconfig" 321 322source "drivers/gpu/drm/bridge/Kconfig" 323 324source "drivers/gpu/drm/sti/Kconfig" 325 326source "drivers/gpu/drm/imx/Kconfig" 327 328source "drivers/gpu/drm/ingenic/Kconfig" 329 330source "drivers/gpu/drm/v3d/Kconfig" 331 332source "drivers/gpu/drm/vc4/Kconfig" 333 334source "drivers/gpu/drm/loongson/Kconfig" 335 336source "drivers/gpu/drm/etnaviv/Kconfig" 337 338source "drivers/gpu/drm/hisilicon/Kconfig" 339 340source "drivers/gpu/drm/logicvc/Kconfig" 341 342source "drivers/gpu/drm/mediatek/Kconfig" 343 344source "drivers/gpu/drm/mxsfb/Kconfig" 345 346source "drivers/gpu/drm/meson/Kconfig" 347 348source "drivers/gpu/drm/tiny/Kconfig" 349 350source "drivers/gpu/drm/pl111/Kconfig" 351 352source "drivers/gpu/drm/tve200/Kconfig" 353 354source "drivers/gpu/drm/xen/Kconfig" 355 356source "drivers/gpu/drm/vboxvideo/Kconfig" 357 358source "drivers/gpu/drm/lima/Kconfig" 359 360source "drivers/gpu/drm/panfrost/Kconfig" 361 362source "drivers/gpu/drm/aspeed/Kconfig" 363 364source "drivers/gpu/drm/mcde/Kconfig" 365 366source "drivers/gpu/drm/tidss/Kconfig" 367 368source "drivers/gpu/drm/xlnx/Kconfig" 369 370source "drivers/gpu/drm/gud/Kconfig" 371 372source "drivers/gpu/drm/solomon/Kconfig" 373 374source "drivers/gpu/drm/sprd/Kconfig" 375 376config DRM_HYPERV 377 tristate "DRM Support for Hyper-V synthetic video device" 378 depends on DRM && PCI && MMU && HYPERV 379 select DRM_KMS_HELPER 380 select DRM_GEM_SHMEM_HELPER 381 help 382 This is a KMS driver for Hyper-V synthetic video device. Choose this 383 option if you would like to enable drm driver for Hyper-V virtual 384 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so 385 that DRM driver is used by default. 386 387 If M is selected the module will be called hyperv_drm. 388 389# Keep legacy drivers last 390 391menuconfig DRM_LEGACY 392 bool "Enable legacy drivers (DANGEROUS)" 393 depends on DRM && MMU 394 help 395 Enable legacy DRI1 drivers. Those drivers expose unsafe and dangerous 396 APIs to user-space, which can be used to circumvent access 397 restrictions and other security measures. For backwards compatibility 398 those drivers are still available, but their use is highly 399 inadvisable and might harm your system. 400 401 You are recommended to use the safe modeset-only drivers instead, and 402 perform 3D emulation in user-space. 403 404 Unless you have strong reasons to go rogue, say "N". 405 406if DRM_LEGACY 407# leave here to list legacy drivers 408endif # DRM_LEGACY 409 410config DRM_EXPORT_FOR_TESTS 411 bool 412 413# Separate option because drm_panel_orientation_quirks.c is shared with fbdev 414config DRM_PANEL_ORIENTATION_QUIRKS 415 tristate 416 417config DRM_LIB_RANDOM 418 bool 419 default n 420 421config DRM_PRIVACY_SCREEN 422 bool 423 default n 424