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_NOMODESET 12 select DRM_PANEL_ORIENTATION_QUIRKS 13 select HDMI 14 select FB_CMDLINE 15 select I2C 16 select I2C_ALGOBIT 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 help 23 Kernel-level support for the Direct Rendering Infrastructure (DRI) 24 introduced in XFree86 4.0. If you say Y here, you need to select 25 the module that's right for your graphics card from the list below. 26 These modules provide support for synchronization, security, and 27 DMA transfers. Please see <http://dri.sourceforge.net/> for more 28 details. You should also select and configure AGP 29 (/dev/agpgart) support if it is available for your platform. 30 31config DRM_MIPI_DBI 32 tristate 33 depends on DRM 34 35config DRM_MIPI_DSI 36 bool 37 depends on DRM 38 39config DRM_DP_AUX_BUS 40 tristate 41 depends on DRM 42 depends on OF 43 44config DRM_DP_AUX_CHARDEV 45 bool "DRM DP AUX Interface" 46 depends on DRM 47 help 48 Choose this option to enable a /dev/drm_dp_auxN node that allows to 49 read and write values to arbitrary DPCD registers on the DP aux 50 channel. 51 52config DRM_DEBUG_MM 53 bool "Insert extra checks and debug info into the DRM range managers" 54 default n 55 depends on DRM=y 56 depends on STACKTRACE_SUPPORT 57 select STACKDEPOT 58 help 59 Enable allocation tracking of memory manager and leak detection on 60 shutdown. 61 62 Recommended for driver developers only. 63 64 If in doubt, say "N". 65 66config DRM_DEBUG_SELFTEST 67 tristate "kselftests for DRM" 68 depends on DRM 69 depends on DEBUG_KERNEL 70 select PRIME_NUMBERS 71 select DRM_DP_HELPER 72 select DRM_LIB_RANDOM 73 select DRM_KMS_HELPER 74 select DRM_BUDDY 75 select DRM_EXPORT_FOR_TESTS if m 76 default n 77 help 78 This option provides kernel modules that can be used to run 79 various selftests on parts of the DRM api. This option is not 80 useful for distributions or general kernels, but only for kernel 81 developers working on DRM and associated drivers. 82 83 If in doubt, say "N". 84 85config DRM_DP_HELPER 86 tristate 87 depends on DRM 88 help 89 DRM helpers for DisplayPort. 90 91config DRM_KMS_HELPER 92 tristate 93 depends on DRM 94 help 95 CRTC helpers for KMS drivers. 96 97config DRM_DEBUG_DP_MST_TOPOLOGY_REFS 98 bool "Enable refcount backtrace history in the DP MST helpers" 99 depends on STACKTRACE_SUPPORT 100 select STACKDEPOT 101 depends on DRM_KMS_HELPER 102 depends on DEBUG_KERNEL 103 depends on EXPERT 104 help 105 Enables debug tracing for topology refs in DRM's DP MST helpers. A 106 history of each topology reference/dereference will be printed to the 107 kernel log once a port or branch device's topology refcount reaches 0. 108 109 This has the potential to use a lot of memory and print some very 110 large kernel messages. If in doubt, say "N". 111 112config DRM_DEBUG_MODESET_LOCK 113 bool "Enable backtrace history for lock contention" 114 depends on STACKTRACE_SUPPORT 115 depends on DEBUG_KERNEL 116 depends on EXPERT 117 select STACKDEPOT 118 default y if DEBUG_WW_MUTEX_SLOWPATH 119 help 120 Enable debug tracing of failures to gracefully handle drm modeset lock 121 contention. A history of each drm modeset lock path hitting -EDEADLK 122 will be saved until gracefully handled, and the backtrace will be 123 printed when attempting to lock a contended lock. 124 125 If in doubt, say "N". 126 127config DRM_FBDEV_EMULATION 128 bool "Enable legacy fbdev support for your modesetting driver" 129 depends on DRM_KMS_HELPER 130 depends on FB=y || FB=DRM_KMS_HELPER 131 select FB_CFB_FILLRECT 132 select FB_CFB_COPYAREA 133 select FB_CFB_IMAGEBLIT 134 select FB_DEFERRED_IO 135 select FB_SYS_FOPS 136 select FB_SYS_FILLRECT 137 select FB_SYS_COPYAREA 138 select FB_SYS_IMAGEBLIT 139 select FRAMEBUFFER_CONSOLE if !EXPERT 140 select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE 141 default y 142 help 143 Choose this option if you have a need for the legacy fbdev 144 support. Note that this support also provides the linux console 145 support on top of your modesetting driver. 146 147 If in doubt, say "Y". 148 149config DRM_FBDEV_OVERALLOC 150 int "Overallocation of the fbdev buffer" 151 depends on DRM_FBDEV_EMULATION 152 default 100 153 help 154 Defines the fbdev buffer overallocation in percent. Default 155 is 100. Typical values for double buffering will be 200, 156 triple buffering 300. 157 158config DRM_FBDEV_LEAK_PHYS_SMEM 159 bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)" 160 depends on DRM_FBDEV_EMULATION && EXPERT 161 default n 162 help 163 In order to keep user-space compatibility, we want in certain 164 use-cases to keep leaking the fbdev physical address to the 165 user-space program handling the fbdev buffer. 166 This affects, not only, Amlogic, Allwinner or Rockchip devices 167 with ARM Mali GPUs using an userspace Blob. 168 This option is not supported by upstream developers and should be 169 removed as soon as possible and be considered as a broken and 170 legacy behaviour from a modern fbdev device driver. 171 172 Please send any bug reports when using this to your proprietary 173 software vendor that requires this. 174 175 If in doubt, say "N" or spread the word to your closed source 176 library vendor. 177 178config DRM_LOAD_EDID_FIRMWARE 179 bool "Allow to specify an EDID data set instead of probing for it" 180 depends on DRM 181 help 182 Say Y here, if you want to use EDID data to be loaded from the 183 /lib/firmware directory or one of the provided built-in 184 data sets. This may be necessary, if the graphics adapter or 185 monitor are unable to provide appropriate EDID data. Since this 186 feature is provided as a workaround for broken hardware, the 187 default case is N. Details and instructions how to build your own 188 EDID data are given in Documentation/admin-guide/edid.rst. 189 190config DRM_DP_CEC 191 bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support" 192 depends on DRM 193 select CEC_CORE 194 help 195 Choose this option if you want to enable HDMI CEC support for 196 DisplayPort/USB-C to HDMI adapters. 197 198 Note: not all adapters support this feature, and even for those 199 that do support this they often do not hook up the CEC pin. 200 201config DRM_TTM 202 tristate 203 depends on DRM && MMU 204 help 205 GPU memory management subsystem for devices with multiple 206 GPU memory types. Will be enabled automatically if a device driver 207 uses it. 208 209config DRM_BUDDY 210 tristate 211 depends on DRM 212 help 213 A page based buddy allocator 214 215config DRM_VRAM_HELPER 216 tristate 217 depends on DRM 218 help 219 Helpers for VRAM memory management 220 221config DRM_TTM_HELPER 222 tristate 223 depends on DRM 224 select DRM_TTM 225 help 226 Helpers for ttm-based gem objects 227 228config DRM_GEM_CMA_HELPER 229 tristate 230 depends on DRM 231 help 232 Choose this if you need the GEM CMA helper functions 233 234config DRM_GEM_SHMEM_HELPER 235 tristate 236 depends on DRM && MMU 237 help 238 Choose this if you need the GEM shmem helper functions 239 240config DRM_SCHED 241 tristate 242 depends on DRM 243 244source "drivers/gpu/drm/i2c/Kconfig" 245 246source "drivers/gpu/drm/arm/Kconfig" 247 248config DRM_RADEON 249 tristate "ATI Radeon" 250 depends on DRM && PCI && MMU 251 depends on AGP || !AGP 252 select FW_LOADER 253 select DRM_DP_HELPER 254 select DRM_KMS_HELPER 255 select DRM_TTM 256 select DRM_TTM_HELPER 257 select POWER_SUPPLY 258 select HWMON 259 select BACKLIGHT_CLASS_DEVICE 260 select INTERVAL_TREE 261 help 262 Choose this option if you have an ATI Radeon graphics card. There 263 are both PCI and AGP versions. You don't need to choose this to 264 run the Radeon in plain VGA mode. 265 266 If M is selected, the module will be called radeon. 267 268source "drivers/gpu/drm/radeon/Kconfig" 269 270config DRM_AMDGPU 271 tristate "AMD GPU" 272 depends on DRM && PCI && MMU 273 select FW_LOADER 274 select DRM_DP_HELPER 275 select DRM_KMS_HELPER 276 select DRM_SCHED 277 select DRM_TTM 278 select DRM_TTM_HELPER 279 select POWER_SUPPLY 280 select HWMON 281 select BACKLIGHT_CLASS_DEVICE 282 select INTERVAL_TREE 283 help 284 Choose this option if you have a recent AMD Radeon graphics card. 285 286 If M is selected, the module will be called amdgpu. 287 288source "drivers/gpu/drm/amd/amdgpu/Kconfig" 289 290source "drivers/gpu/drm/nouveau/Kconfig" 291 292source "drivers/gpu/drm/i915/Kconfig" 293 294source "drivers/gpu/drm/kmb/Kconfig" 295 296config DRM_VGEM 297 tristate "Virtual GEM provider" 298 depends on DRM && MMU 299 select DRM_GEM_SHMEM_HELPER 300 help 301 Choose this option to get a virtual graphics memory manager, 302 as used by Mesa's software renderer for enhanced performance. 303 If M is selected the module will be called vgem. 304 305config DRM_VKMS 306 tristate "Virtual KMS (EXPERIMENTAL)" 307 depends on DRM && MMU 308 select DRM_KMS_HELPER 309 select DRM_GEM_SHMEM_HELPER 310 select CRC32 311 default n 312 help 313 Virtual Kernel Mode-Setting (VKMS) is used for testing or for 314 running GPU in a headless machines. Choose this option to get 315 a VKMS. 316 317 If M is selected the module will be called vkms. 318 319source "drivers/gpu/drm/exynos/Kconfig" 320 321source "drivers/gpu/drm/rockchip/Kconfig" 322 323source "drivers/gpu/drm/vmwgfx/Kconfig" 324 325source "drivers/gpu/drm/gma500/Kconfig" 326 327source "drivers/gpu/drm/udl/Kconfig" 328 329source "drivers/gpu/drm/ast/Kconfig" 330 331source "drivers/gpu/drm/mgag200/Kconfig" 332 333source "drivers/gpu/drm/armada/Kconfig" 334 335source "drivers/gpu/drm/atmel-hlcdc/Kconfig" 336 337source "drivers/gpu/drm/rcar-du/Kconfig" 338 339source "drivers/gpu/drm/shmobile/Kconfig" 340 341source "drivers/gpu/drm/sun4i/Kconfig" 342 343source "drivers/gpu/drm/omapdrm/Kconfig" 344 345source "drivers/gpu/drm/tilcdc/Kconfig" 346 347source "drivers/gpu/drm/qxl/Kconfig" 348 349source "drivers/gpu/drm/virtio/Kconfig" 350 351source "drivers/gpu/drm/msm/Kconfig" 352 353source "drivers/gpu/drm/fsl-dcu/Kconfig" 354 355source "drivers/gpu/drm/tegra/Kconfig" 356 357source "drivers/gpu/drm/stm/Kconfig" 358 359source "drivers/gpu/drm/panel/Kconfig" 360 361source "drivers/gpu/drm/bridge/Kconfig" 362 363source "drivers/gpu/drm/sti/Kconfig" 364 365source "drivers/gpu/drm/imx/Kconfig" 366 367source "drivers/gpu/drm/ingenic/Kconfig" 368 369source "drivers/gpu/drm/v3d/Kconfig" 370 371source "drivers/gpu/drm/vc4/Kconfig" 372 373source "drivers/gpu/drm/etnaviv/Kconfig" 374 375source "drivers/gpu/drm/hisilicon/Kconfig" 376 377source "drivers/gpu/drm/mediatek/Kconfig" 378 379source "drivers/gpu/drm/mxsfb/Kconfig" 380 381source "drivers/gpu/drm/meson/Kconfig" 382 383source "drivers/gpu/drm/tiny/Kconfig" 384 385source "drivers/gpu/drm/pl111/Kconfig" 386 387source "drivers/gpu/drm/tve200/Kconfig" 388 389source "drivers/gpu/drm/xen/Kconfig" 390 391source "drivers/gpu/drm/vboxvideo/Kconfig" 392 393source "drivers/gpu/drm/lima/Kconfig" 394 395source "drivers/gpu/drm/panfrost/Kconfig" 396 397source "drivers/gpu/drm/aspeed/Kconfig" 398 399source "drivers/gpu/drm/mcde/Kconfig" 400 401source "drivers/gpu/drm/tidss/Kconfig" 402 403source "drivers/gpu/drm/xlnx/Kconfig" 404 405source "drivers/gpu/drm/gud/Kconfig" 406 407source "drivers/gpu/drm/solomon/Kconfig" 408 409source "drivers/gpu/drm/sprd/Kconfig" 410 411config DRM_HYPERV 412 tristate "DRM Support for Hyper-V synthetic video device" 413 depends on DRM && PCI && MMU && HYPERV 414 select DRM_KMS_HELPER 415 select DRM_GEM_SHMEM_HELPER 416 help 417 This is a KMS driver for Hyper-V synthetic video device. Choose this 418 option if you would like to enable drm driver for Hyper-V virtual 419 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so 420 that DRM driver is used by default. 421 422 If M is selected the module will be called hyperv_drm. 423 424# Keep legacy drivers last 425 426menuconfig DRM_LEGACY 427 bool "Enable legacy drivers (DANGEROUS)" 428 depends on DRM && MMU 429 help 430 Enable legacy DRI1 drivers. Those drivers expose unsafe and dangerous 431 APIs to user-space, which can be used to circumvent access 432 restrictions and other security measures. For backwards compatibility 433 those drivers are still available, but their use is highly 434 inadvisable and might harm your system. 435 436 You are recommended to use the safe modeset-only drivers instead, and 437 perform 3D emulation in user-space. 438 439 Unless you have strong reasons to go rogue, say "N". 440 441if DRM_LEGACY 442 443config DRM_TDFX 444 tristate "3dfx Banshee/Voodoo3+" 445 depends on DRM && PCI 446 help 447 Choose this option if you have a 3dfx Banshee or Voodoo3 (or later), 448 graphics card. If M is selected, the module will be called tdfx. 449 450config DRM_R128 451 tristate "ATI Rage 128" 452 depends on DRM && PCI 453 select FW_LOADER 454 help 455 Choose this option if you have an ATI Rage 128 graphics card. If M 456 is selected, the module will be called r128. AGP support for 457 this card is strongly suggested (unless you have a PCI version). 458 459config DRM_I810 460 tristate "Intel I810" 461 # !PREEMPTION because of missing ioctl locking 462 depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN) 463 help 464 Choose this option if you have an Intel I810 graphics card. If M is 465 selected, the module will be called i810. AGP support is required 466 for this driver to work. 467 468config DRM_MGA 469 tristate "Matrox g200/g400" 470 depends on DRM && PCI 471 select FW_LOADER 472 help 473 Choose this option if you have a Matrox G200, G400 or G450 graphics 474 card. If M is selected, the module will be called mga. AGP 475 support is required for this driver to work. 476 477config DRM_SIS 478 tristate "SiS video cards" 479 depends on DRM && AGP 480 depends on FB_SIS || FB_SIS=n 481 help 482 Choose this option if you have a SiS 630 or compatible video 483 chipset. If M is selected the module will be called sis. AGP 484 support is required for this driver to work. 485 486config DRM_VIA 487 tristate "Via unichrome video cards" 488 depends on DRM && PCI 489 help 490 Choose this option if you have a Via unichrome or compatible video 491 chipset. If M is selected the module will be called via. 492 493config DRM_SAVAGE 494 tristate "Savage video cards" 495 depends on DRM && PCI 496 help 497 Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister 498 chipset. If M is selected the module will be called savage. 499 500endif # DRM_LEGACY 501 502config DRM_EXPORT_FOR_TESTS 503 bool 504 505# Separate option because drm_panel_orientation_quirks.c is shared with fbdev 506config DRM_PANEL_ORIENTATION_QUIRKS 507 tristate 508 509# Separate option because nomodeset parameter is global and expected built-in 510config DRM_NOMODESET 511 bool 512 default n 513 514config DRM_LIB_RANDOM 515 bool 516 default n 517 518config DRM_PRIVACY_SCREEN 519 bool 520 default n 521