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 HDMI 13 select FB_CMDLINE 14 select I2C 15 select DMA_SHARED_BUFFER 16 select SYNC_FILE 17# gallium uses SYS_kcmp for os_same_file_description() to de-duplicate 18# device and dmabuf fd. Let's make sure that is available for our userspace. 19 select KCMP 20 select VIDEO_NOMODESET 21 help 22 Kernel-level support for the Direct Rendering Infrastructure (DRI) 23 introduced in XFree86 4.0. If you say Y here, you need to select 24 the module that's right for your graphics card from the list below. 25 These modules provide support for synchronization, security, and 26 DMA transfers. Please see <http://dri.sourceforge.net/> for more 27 details. You should also select and configure AGP 28 (/dev/agpgart) support if it is available for your platform. 29 30config DRM_MIPI_DBI 31 tristate 32 depends on DRM 33 select DRM_KMS_HELPER 34 35config DRM_MIPI_DSI 36 bool 37 depends on DRM 38 39config DRM_DEBUG_MM 40 bool "Insert extra checks and debug info into the DRM range managers" 41 default n 42 depends on DRM=y 43 depends on STACKTRACE_SUPPORT 44 select STACKDEPOT 45 help 46 Enable allocation tracking of memory manager and leak detection on 47 shutdown. 48 49 Recommended for driver developers only. 50 51 If in doubt, say "N". 52 53config DRM_USE_DYNAMIC_DEBUG 54 bool "use dynamic debug to implement drm.debug" 55 default n 56 depends on BROKEN 57 depends on DRM 58 depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE 59 depends on JUMP_LABEL 60 help 61 Use dynamic-debug to avoid drm_debug_enabled() runtime overheads. 62 Due to callsite counts in DRM drivers (~4k in amdgpu) and 56 63 bytes per callsite, the .data costs can be substantial, and 64 are therefore configurable. 65 66config DRM_KUNIT_TEST_HELPERS 67 tristate 68 depends on DRM && KUNIT 69 help 70 KUnit Helpers for KMS drivers. 71 72config DRM_KUNIT_TEST 73 tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS 74 depends on DRM && KUNIT 75 select PRIME_NUMBERS 76 select DRM_DISPLAY_DP_HELPER 77 select DRM_DISPLAY_HELPER 78 select DRM_LIB_RANDOM 79 select DRM_KMS_HELPER 80 select DRM_BUDDY 81 select DRM_EXPORT_FOR_TESTS if m 82 select DRM_KUNIT_TEST_HELPERS 83 default KUNIT_ALL_TESTS 84 help 85 This builds unit tests for DRM. This option is not useful for 86 distributions or general kernels, but only for kernel 87 developers working on DRM and associated drivers. 88 89 For more information on KUnit and unit tests in general, 90 please refer to the KUnit documentation in 91 Documentation/dev-tools/kunit/. 92 93 If in doubt, say "N". 94 95config DRM_KMS_HELPER 96 tristate 97 depends on DRM 98 help 99 CRTC helpers for KMS drivers. 100 101config DRM_DEBUG_DP_MST_TOPOLOGY_REFS 102 bool "Enable refcount backtrace history in the DP MST helpers" 103 depends on STACKTRACE_SUPPORT 104 select STACKDEPOT 105 depends on DRM_KMS_HELPER 106 depends on DEBUG_KERNEL 107 depends on EXPERT 108 help 109 Enables debug tracing for topology refs in DRM's DP MST helpers. A 110 history of each topology reference/dereference will be printed to the 111 kernel log once a port or branch device's topology refcount reaches 0. 112 113 This has the potential to use a lot of memory and print some very 114 large kernel messages. If in doubt, say "N". 115 116config DRM_DEBUG_MODESET_LOCK 117 bool "Enable backtrace history for lock contention" 118 depends on STACKTRACE_SUPPORT 119 depends on DEBUG_KERNEL 120 depends on EXPERT 121 select STACKDEPOT 122 default y if DEBUG_WW_MUTEX_SLOWPATH 123 help 124 Enable debug tracing of failures to gracefully handle drm modeset lock 125 contention. A history of each drm modeset lock path hitting -EDEADLK 126 will be saved until gracefully handled, and the backtrace will be 127 printed when attempting to lock a contended lock. 128 129 If in doubt, say "N". 130 131config DRM_FBDEV_EMULATION 132 bool "Enable legacy fbdev support for your modesetting driver" 133 depends on DRM_KMS_HELPER 134 depends on FB=y || FB=DRM_KMS_HELPER 135 select FB_CFB_FILLRECT 136 select FB_CFB_COPYAREA 137 select FB_CFB_IMAGEBLIT 138 select FB_DEFERRED_IO 139 select FB_SYS_FOPS 140 select FB_SYS_FILLRECT 141 select FB_SYS_COPYAREA 142 select FB_SYS_IMAGEBLIT 143 select FRAMEBUFFER_CONSOLE if !EXPERT 144 select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE 145 default y 146 help 147 Choose this option if you have a need for the legacy fbdev 148 support. Note that this support also provides the linux console 149 support on top of your modesetting driver. 150 151 If in doubt, say "Y". 152 153config DRM_FBDEV_OVERALLOC 154 int "Overallocation of the fbdev buffer" 155 depends on DRM_FBDEV_EMULATION 156 default 100 157 help 158 Defines the fbdev buffer overallocation in percent. Default 159 is 100. Typical values for double buffering will be 200, 160 triple buffering 300. 161 162config DRM_FBDEV_LEAK_PHYS_SMEM 163 bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)" 164 depends on DRM_FBDEV_EMULATION && EXPERT 165 default n 166 help 167 In order to keep user-space compatibility, we want in certain 168 use-cases to keep leaking the fbdev physical address to the 169 user-space program handling the fbdev buffer. 170 This affects, not only, Amlogic, Allwinner or Rockchip devices 171 with ARM Mali GPUs using an userspace Blob. 172 This option is not supported by upstream developers and should be 173 removed as soon as possible and be considered as a broken and 174 legacy behaviour from a modern fbdev device driver. 175 176 Please send any bug reports when using this to your proprietary 177 software vendor that requires this. 178 179 If in doubt, say "N" or spread the word to your closed source 180 library vendor. 181 182config DRM_LOAD_EDID_FIRMWARE 183 bool "Allow to specify an EDID data set instead of probing for it" 184 depends on DRM 185 help 186 Say Y here, if you want to use EDID data to be loaded from the 187 /lib/firmware directory or one of the provided built-in 188 data sets. This may be necessary, if the graphics adapter or 189 monitor are unable to provide appropriate EDID data. Since this 190 feature is provided as a workaround for broken hardware, the 191 default case is N. Details and instructions how to build your own 192 EDID data are given in Documentation/admin-guide/edid.rst. 193 194source "drivers/gpu/drm/display/Kconfig" 195 196config DRM_TTM 197 tristate 198 depends on DRM && MMU 199 help 200 GPU memory management subsystem for devices with multiple 201 GPU memory types. Will be enabled automatically if a device driver 202 uses it. 203 204config DRM_BUDDY 205 tristate 206 depends on DRM 207 help 208 A page based buddy allocator 209 210config DRM_VRAM_HELPER 211 tristate 212 depends on DRM 213 help 214 Helpers for VRAM memory management 215 216config DRM_TTM_HELPER 217 tristate 218 depends on DRM 219 select DRM_TTM 220 help 221 Helpers for ttm-based gem objects 222 223config DRM_GEM_DMA_HELPER 224 tristate 225 depends on DRM 226 help 227 Choose this if you need the GEM DMA helper functions 228 229config DRM_GEM_SHMEM_HELPER 230 tristate 231 depends on DRM && MMU 232 help 233 Choose this if you need the GEM shmem helper functions 234 235config DRM_SCHED 236 tristate 237 depends on DRM 238 239source "drivers/gpu/drm/i2c/Kconfig" 240 241source "drivers/gpu/drm/arm/Kconfig" 242 243source "drivers/gpu/drm/radeon/Kconfig" 244 245source "drivers/gpu/drm/amd/amdgpu/Kconfig" 246 247source "drivers/gpu/drm/nouveau/Kconfig" 248 249source "drivers/gpu/drm/i915/Kconfig" 250 251source "drivers/gpu/drm/kmb/Kconfig" 252 253config DRM_VGEM 254 tristate "Virtual GEM provider" 255 depends on DRM && MMU 256 select DRM_GEM_SHMEM_HELPER 257 help 258 Choose this option to get a virtual graphics memory manager, 259 as used by Mesa's software renderer for enhanced performance. 260 If M is selected the module will be called vgem. 261 262config DRM_VKMS 263 tristate "Virtual KMS (EXPERIMENTAL)" 264 depends on DRM && MMU 265 select DRM_KMS_HELPER 266 select DRM_GEM_SHMEM_HELPER 267 select CRC32 268 default n 269 help 270 Virtual Kernel Mode-Setting (VKMS) is used for testing or for 271 running GPU in a headless machines. Choose this option to get 272 a VKMS. 273 274 If M is selected the module will be called vkms. 275 276source "drivers/gpu/drm/exynos/Kconfig" 277 278source "drivers/gpu/drm/rockchip/Kconfig" 279 280source "drivers/gpu/drm/vmwgfx/Kconfig" 281 282source "drivers/gpu/drm/gma500/Kconfig" 283 284source "drivers/gpu/drm/udl/Kconfig" 285 286source "drivers/gpu/drm/ast/Kconfig" 287 288source "drivers/gpu/drm/mgag200/Kconfig" 289 290source "drivers/gpu/drm/armada/Kconfig" 291 292source "drivers/gpu/drm/atmel-hlcdc/Kconfig" 293 294source "drivers/gpu/drm/rcar-du/Kconfig" 295 296source "drivers/gpu/drm/shmobile/Kconfig" 297 298source "drivers/gpu/drm/sun4i/Kconfig" 299 300source "drivers/gpu/drm/omapdrm/Kconfig" 301 302source "drivers/gpu/drm/tilcdc/Kconfig" 303 304source "drivers/gpu/drm/qxl/Kconfig" 305 306source "drivers/gpu/drm/virtio/Kconfig" 307 308source "drivers/gpu/drm/msm/Kconfig" 309 310source "drivers/gpu/drm/fsl-dcu/Kconfig" 311 312source "drivers/gpu/drm/tegra/Kconfig" 313 314source "drivers/gpu/drm/stm/Kconfig" 315 316source "drivers/gpu/drm/panel/Kconfig" 317 318source "drivers/gpu/drm/bridge/Kconfig" 319 320source "drivers/gpu/drm/sti/Kconfig" 321 322source "drivers/gpu/drm/imx/Kconfig" 323 324source "drivers/gpu/drm/ingenic/Kconfig" 325 326source "drivers/gpu/drm/v3d/Kconfig" 327 328source "drivers/gpu/drm/vc4/Kconfig" 329 330source "drivers/gpu/drm/etnaviv/Kconfig" 331 332source "drivers/gpu/drm/hisilicon/Kconfig" 333 334source "drivers/gpu/drm/logicvc/Kconfig" 335 336source "drivers/gpu/drm/mediatek/Kconfig" 337 338source "drivers/gpu/drm/mxsfb/Kconfig" 339 340source "drivers/gpu/drm/meson/Kconfig" 341 342source "drivers/gpu/drm/tiny/Kconfig" 343 344source "drivers/gpu/drm/pl111/Kconfig" 345 346source "drivers/gpu/drm/tve200/Kconfig" 347 348source "drivers/gpu/drm/xen/Kconfig" 349 350source "drivers/gpu/drm/vboxvideo/Kconfig" 351 352source "drivers/gpu/drm/lima/Kconfig" 353 354source "drivers/gpu/drm/panfrost/Kconfig" 355 356source "drivers/gpu/drm/aspeed/Kconfig" 357 358source "drivers/gpu/drm/mcde/Kconfig" 359 360source "drivers/gpu/drm/tidss/Kconfig" 361 362source "drivers/gpu/drm/xlnx/Kconfig" 363 364source "drivers/gpu/drm/gud/Kconfig" 365 366source "drivers/gpu/drm/solomon/Kconfig" 367 368source "drivers/gpu/drm/sprd/Kconfig" 369 370config DRM_HYPERV 371 tristate "DRM Support for Hyper-V synthetic video device" 372 depends on DRM && PCI && MMU && HYPERV 373 select DRM_KMS_HELPER 374 select DRM_GEM_SHMEM_HELPER 375 help 376 This is a KMS driver for Hyper-V synthetic video device. Choose this 377 option if you would like to enable drm driver for Hyper-V virtual 378 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so 379 that DRM driver is used by default. 380 381 If M is selected the module will be called hyperv_drm. 382 383# Keep legacy drivers last 384 385menuconfig DRM_LEGACY 386 bool "Enable legacy drivers (DANGEROUS)" 387 depends on DRM && MMU 388 help 389 Enable legacy DRI1 drivers. Those drivers expose unsafe and dangerous 390 APIs to user-space, which can be used to circumvent access 391 restrictions and other security measures. For backwards compatibility 392 those drivers are still available, but their use is highly 393 inadvisable and might harm your system. 394 395 You are recommended to use the safe modeset-only drivers instead, and 396 perform 3D emulation in user-space. 397 398 Unless you have strong reasons to go rogue, say "N". 399 400if DRM_LEGACY 401# leave here to list legacy drivers 402endif # DRM_LEGACY 403 404config DRM_EXPORT_FOR_TESTS 405 bool 406 407# Separate option because drm_panel_orientation_quirks.c is shared with fbdev 408config DRM_PANEL_ORIENTATION_QUIRKS 409 tristate 410 411config DRM_LIB_RANDOM 412 bool 413 default n 414 415config DRM_PRIVACY_SCREEN 416 bool 417 default n 418