# SPDX-License-Identifier: GPL-2.0-only
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#
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# Drm device configuration
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#
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# This driver provides support for the
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# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
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#
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menuconfig DRM
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tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
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depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && HAS_DMA
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select DRM_PANEL_ORIENTATION_QUIRKS
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select HDMI if !ROCKCHIP_MINI_KERNEL
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select FB_CMDLINE
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select I2C
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select I2C_ALGOBIT if !ROCKCHIP_MINI_KERNEL
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select DMA_SHARED_BUFFER
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select SYNC_FILE
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# gallium uses SYS_kcmp for os_same_file_description() to de-duplicate
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# device and dmabuf fd. Let's make sure that is available for our userspace.
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select KCMP
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help
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Kernel-level support for the Direct Rendering Infrastructure (DRI)
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introduced in XFree86 4.0. If you say Y here, you need to select
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the module that's right for your graphics card from the list below.
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These modules provide support for synchronization, security, and
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DMA transfers. Please see <http://dri.sourceforge.net/> for more
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details. You should also select and configure AGP
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(/dev/agpgart) support if it is available for your platform.
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config DRM_MIPI_DBI
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tristate
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depends on DRM
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select DRM_KMS_HELPER
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config DRM_EDID
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bool "EDID function for DRM"
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depends on DRM
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select HDMI
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default y if !ROCKCHIP_MINI_KERNEL
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help
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DRM EDID read and parse function.
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config DRM_IGNORE_IOTCL_PERMIT
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bool "Ignore drm ioctl permission"
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depends on DRM && ANDROID && NO_GKI
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config DRM_MIPI_DSI
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bool
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depends on DRM
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config DRM_DP
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bool "DRM DisplayPort support"
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depends on DRM
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depends on DRM_KMS_HELPER
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default y if DRM_ANALOGIX_DP
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default y if !ROCKCHIP_MINI_KERNEL
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help
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Choose this option to support DP interface.
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config DRM_DP_AUX_CHARDEV
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bool "DRM DP AUX Interface"
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depends on DRM
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help
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Choose this option to enable a /dev/drm_dp_auxN node that allows to
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read and write values to arbitrary DPCD registers on the DP aux
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channel.
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config DRM_DEBUG_MM
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bool "Insert extra checks and debug info into the DRM range managers"
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default n
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depends on DRM=y
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depends on STACKTRACE_SUPPORT
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select STACKDEPOT
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help
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Enable allocation tracking of memory manager and leak detection on
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shutdown.
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Recommended for driver developers only.
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If in doubt, say "N".
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config DRM_DEBUG_SELFTEST
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tristate "kselftests for DRM"
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depends on DRM
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depends on DEBUG_KERNEL
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select PRIME_NUMBERS
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select DRM_LIB_RANDOM
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select DRM_KMS_HELPER
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select DRM_EXPORT_FOR_TESTS if m
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default n
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help
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This option provides kernel modules that can be used to run
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various selftests on parts of the DRM api. This option is not
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useful for distributions or general kernels, but only for kernel
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developers working on DRM and associated drivers.
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If in doubt, say "N".
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config DRM_KMS_HELPER
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tristate
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depends on DRM
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help
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CRTC helpers for KMS drivers.
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config DRM_KMS_FB_HELPER
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bool
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depends on DRM_KMS_HELPER
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select FB
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select FRAMEBUFFER_CONSOLE if !EXPERT
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select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
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select FB_SYS_FOPS
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select FB_SYS_FILLRECT
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select FB_SYS_COPYAREA
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select FB_SYS_IMAGEBLIT
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select FB_CFB_FILLRECT
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select FB_CFB_COPYAREA
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select FB_CFB_IMAGEBLIT
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select FB_DEFERRED_IO
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help
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FBDEV helpers for KMS drivers.
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config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
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bool "Enable refcount backtrace history in the DP MST helpers"
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depends on STACKTRACE_SUPPORT
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select STACKDEPOT
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depends on DRM_KMS_HELPER
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depends on DEBUG_KERNEL
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depends on EXPERT
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help
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Enables debug tracing for topology refs in DRM's DP MST helpers. A
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history of each topology reference/dereference will be printed to the
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kernel log once a port or branch device's topology refcount reaches 0.
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This has the potential to use a lot of memory and print some very
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large kernel messages. If in doubt, say "N".
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config DRM_FBDEV_EMULATION
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bool "Enable legacy fbdev support for your modesetting driver"
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depends on DRM
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select DRM_KMS_HELPER
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select DRM_KMS_FB_HELPER
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default y
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help
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Choose this option if you have a need for the legacy fbdev
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support. Note that this support also provides the linux console
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support on top of your modesetting driver.
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If in doubt, say "Y".
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config DRM_FBDEV_OVERALLOC
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int "Overallocation of the fbdev buffer"
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depends on DRM_FBDEV_EMULATION
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default 100
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help
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Defines the fbdev buffer overallocation in percent. Default
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is 100. Typical values for double buffering will be 200,
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triple buffering 300.
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config DRM_FBDEV_LEAK_PHYS_SMEM
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bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)"
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depends on DRM_FBDEV_EMULATION && EXPERT
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default n
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help
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In order to keep user-space compatibility, we want in certain
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use-cases to keep leaking the fbdev physical address to the
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user-space program handling the fbdev buffer.
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This affects, not only, Amlogic, Allwinner or Rockchip devices
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with ARM Mali GPUs using an userspace Blob.
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This option is not supported by upstream developers and should be
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removed as soon as possible and be considered as a broken and
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legacy behaviour from a modern fbdev device driver.
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Please send any bug reports when using this to your proprietary
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software vendor that requires this.
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If in doubt, say "N" or spread the word to your closed source
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library vendor.
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config DRM_LOAD_EDID_FIRMWARE
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bool "Allow to specify an EDID data set instead of probing for it"
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depends on DRM
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help
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Say Y here, if you want to use EDID data to be loaded from the
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/lib/firmware directory or one of the provided built-in
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data sets. This may be necessary, if the graphics adapter or
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monitor are unable to provide appropriate EDID data. Since this
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feature is provided as a workaround for broken hardware, the
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default case is N. Details and instructions how to build your own
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EDID data are given in Documentation/admin-guide/edid.rst.
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config DRM_DP_CEC
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bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
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depends on DRM
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select CEC_CORE
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help
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Choose this option if you want to enable HDMI CEC support for
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DisplayPort/USB-C to HDMI adapters.
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Note: not all adapters support this feature, and even for those
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that do support this they often do not hook up the CEC pin.
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config DRM_TTM
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tristate
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depends on DRM && MMU
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help
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GPU memory management subsystem for devices with multiple
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GPU memory types. Will be enabled automatically if a device driver
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uses it.
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config DRM_TTM_DMA_PAGE_POOL
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bool
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depends on DRM_TTM && (SWIOTLB || INTEL_IOMMU)
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default y
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help
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Choose this if you need the TTM dma page pool
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config DRM_VRAM_HELPER
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tristate
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depends on DRM
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help
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Helpers for VRAM memory management
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config DRM_TTM_HELPER
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tristate
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depends on DRM
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select DRM_TTM
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help
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Helpers for ttm-based gem objects
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config DRM_GEM_CMA_HELPER
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bool
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depends on DRM
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help
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Choose this if you need the GEM CMA helper functions
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config DRM_KMS_CMA_HELPER
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bool
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depends on DRM
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select DRM_GEM_CMA_HELPER
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help
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Choose this if you need the KMS CMA helper functions
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config DRM_GEM_SHMEM_HELPER
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bool
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depends on DRM
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help
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Choose this if you need the GEM shmem helper functions
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config DRM_VM
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bool
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depends on DRM && MMU
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config DRM_SCHED
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tristate
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depends on DRM
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source "drivers/gpu/drm/i2c/Kconfig"
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source "drivers/gpu/drm/arm/Kconfig"
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config DRM_RADEON
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tristate "ATI Radeon"
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depends on DRM && PCI && MMU
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depends on AGP || !AGP
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select FW_LOADER
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select DRM_KMS_HELPER
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select DRM_TTM
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select POWER_SUPPLY
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select HWMON
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select BACKLIGHT_CLASS_DEVICE
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select INTERVAL_TREE
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help
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Choose this option if you have an ATI Radeon graphics card. There
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are both PCI and AGP versions. You don't need to choose this to
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run the Radeon in plain VGA mode.
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If M is selected, the module will be called radeon.
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source "drivers/gpu/drm/radeon/Kconfig"
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config DRM_AMDGPU
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tristate "AMD GPU"
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depends on DRM && PCI && MMU
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select FW_LOADER
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select DRM_KMS_HELPER
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select DRM_SCHED
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select DRM_TTM
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select POWER_SUPPLY
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select HWMON
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select BACKLIGHT_CLASS_DEVICE
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select INTERVAL_TREE
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select CHASH
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help
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Choose this option if you have a recent AMD Radeon graphics card.
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If M is selected, the module will be called amdgpu.
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source "drivers/gpu/drm/amd/amdgpu/Kconfig"
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source "drivers/gpu/drm/nouveau/Kconfig"
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source "drivers/gpu/drm/i915/Kconfig"
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config DRM_VGEM
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tristate "Virtual GEM provider"
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depends on DRM
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help
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Choose this option to get a virtual graphics memory manager,
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as used by Mesa's software renderer for enhanced performance.
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If M is selected the module will be called vgem.
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config DRM_VKMS
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tristate "Virtual KMS (EXPERIMENTAL)"
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depends on DRM
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select DRM_KMS_HELPER
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select CRC32
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default n
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help
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Virtual Kernel Mode-Setting (VKMS) is used for testing or for
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running GPU in a headless machines. Choose this option to get
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a VKMS.
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If M is selected the module will be called vkms.
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source "drivers/gpu/drm/exynos/Kconfig"
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source "drivers/gpu/drm/rockchip/Kconfig"
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source "drivers/gpu/drm/vmwgfx/Kconfig"
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source "drivers/gpu/drm/gma500/Kconfig"
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source "drivers/gpu/drm/udl/Kconfig"
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source "drivers/gpu/drm/ast/Kconfig"
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source "drivers/gpu/drm/mgag200/Kconfig"
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source "drivers/gpu/drm/armada/Kconfig"
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source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
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source "drivers/gpu/drm/rcar-du/Kconfig"
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source "drivers/gpu/drm/shmobile/Kconfig"
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source "drivers/gpu/drm/sun4i/Kconfig"
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source "drivers/gpu/drm/omapdrm/Kconfig"
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source "drivers/gpu/drm/tilcdc/Kconfig"
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source "drivers/gpu/drm/qxl/Kconfig"
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source "drivers/gpu/drm/bochs/Kconfig"
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source "drivers/gpu/drm/virtio/Kconfig"
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source "drivers/gpu/drm/msm/Kconfig"
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source "drivers/gpu/drm/fsl-dcu/Kconfig"
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source "drivers/gpu/drm/tegra/Kconfig"
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source "drivers/gpu/drm/stm/Kconfig"
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source "drivers/gpu/drm/panel/Kconfig"
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source "drivers/gpu/drm/bridge/Kconfig"
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source "drivers/gpu/drm/sti/Kconfig"
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source "drivers/gpu/drm/imx/Kconfig"
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source "drivers/gpu/drm/ingenic/Kconfig"
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source "drivers/gpu/drm/v3d/Kconfig"
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source "drivers/gpu/drm/vc4/Kconfig"
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source "drivers/gpu/drm/etnaviv/Kconfig"
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source "drivers/gpu/drm/arc/Kconfig"
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source "drivers/gpu/drm/hisilicon/Kconfig"
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source "drivers/gpu/drm/mediatek/Kconfig"
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source "drivers/gpu/drm/zte/Kconfig"
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source "drivers/gpu/drm/mxsfb/Kconfig"
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source "drivers/gpu/drm/meson/Kconfig"
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source "drivers/gpu/drm/tiny/Kconfig"
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source "drivers/gpu/drm/pl111/Kconfig"
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source "drivers/gpu/drm/tve200/Kconfig"
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source "drivers/gpu/drm/xen/Kconfig"
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source "drivers/gpu/drm/vboxvideo/Kconfig"
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source "drivers/gpu/drm/lima/Kconfig"
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source "drivers/gpu/drm/panfrost/Kconfig"
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source "drivers/gpu/drm/aspeed/Kconfig"
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source "drivers/gpu/drm/mcde/Kconfig"
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source "drivers/gpu/drm/tidss/Kconfig"
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source "drivers/gpu/drm/xlnx/Kconfig"
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# Keep legacy drivers last
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menuconfig DRM_LEGACY
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bool "Enable legacy drivers (DANGEROUS)"
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depends on DRM && MMU
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select DRM_VM
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help
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Enable legacy DRI1 drivers. Those drivers expose unsafe and dangerous
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APIs to user-space, which can be used to circumvent access
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restrictions and other security measures. For backwards compatibility
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those drivers are still available, but their use is highly
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inadvisable and might harm your system.
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You are recommended to use the safe modeset-only drivers instead, and
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perform 3D emulation in user-space.
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Unless you have strong reasons to go rogue, say "N".
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if DRM_LEGACY
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config DRM_TDFX
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tristate "3dfx Banshee/Voodoo3+"
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depends on DRM && PCI
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help
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Choose this option if you have a 3dfx Banshee or Voodoo3 (or later),
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graphics card. If M is selected, the module will be called tdfx.
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config DRM_R128
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tristate "ATI Rage 128"
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depends on DRM && PCI
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select FW_LOADER
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help
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Choose this option if you have an ATI Rage 128 graphics card. If M
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is selected, the module will be called r128. AGP support for
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this card is strongly suggested (unless you have a PCI version).
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config DRM_I810
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tristate "Intel I810"
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# !PREEMPTION because of missing ioctl locking
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depends on DRM && AGP && AGP_INTEL && (!PREEMPTION || BROKEN)
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help
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Choose this option if you have an Intel I810 graphics card. If M is
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selected, the module will be called i810. AGP support is required
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for this driver to work.
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config DRM_MGA
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tristate "Matrox g200/g400"
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depends on DRM && PCI
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select FW_LOADER
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help
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Choose this option if you have a Matrox G200, G400 or G450 graphics
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card. If M is selected, the module will be called mga. AGP
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support is required for this driver to work.
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config DRM_SIS
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tristate "SiS video cards"
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depends on DRM && AGP
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depends on FB_SIS || FB_SIS=n
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help
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Choose this option if you have a SiS 630 or compatible video
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chipset. If M is selected the module will be called sis. AGP
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support is required for this driver to work.
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config DRM_VIA
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tristate "Via unichrome video cards"
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depends on DRM && PCI
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help
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Choose this option if you have a Via unichrome or compatible video
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chipset. If M is selected the module will be called via.
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config DRM_SAVAGE
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tristate "Savage video cards"
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depends on DRM && PCI
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help
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Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
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chipset. If M is selected the module will be called savage.
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endif # DRM_LEGACY
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config DRM_EXPORT_FOR_TESTS
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bool
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# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
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config DRM_PANEL_ORIENTATION_QUIRKS
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tristate
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config DRM_LIB_RANDOM
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bool
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default n
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