516 lines
14 KiB
Plaintext
516 lines
14 KiB
Plaintext
# 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 DRM_KMS_HELPER if DRM_FBDEV_EMULATION
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select FB_CORE if DRM_FBDEV_EMULATION
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select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
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select HDMI
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select I2C
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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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select VIDEO
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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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if DRM
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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_MIPI_DSI
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bool
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depends on DRM
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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
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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_USE_DYNAMIC_DEBUG
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bool "use dynamic debug to implement drm.debug"
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default n
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depends on BROKEN
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depends on DRM
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depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE
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depends on JUMP_LABEL
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help
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Use dynamic-debug to avoid drm_debug_enabled() runtime overheads.
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Due to callsite counts in DRM drivers (~4k in amdgpu) and 56
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bytes per callsite, the .data costs can be substantial, and
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are therefore configurable.
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config DRM_KUNIT_TEST_HELPERS
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tristate
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depends on DRM && KUNIT
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select DRM_KMS_HELPER
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help
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KUnit Helpers for KMS drivers.
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config DRM_KUNIT_TEST
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tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS
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depends on DRM && KUNIT && MMU
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select DRM_BUDDY
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select DRM_DISPLAY_DP_HELPER
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select DRM_DISPLAY_HDMI_STATE_HELPER
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select DRM_DISPLAY_HELPER
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select DRM_EXEC
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select DRM_EXPORT_FOR_TESTS if m
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select DRM_GEM_SHMEM_HELPER
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select DRM_KUNIT_TEST_HELPERS
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select DRM_LIB_RANDOM
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select PRIME_NUMBERS
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default KUNIT_ALL_TESTS
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help
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This builds unit tests for DRM. This option is not useful for
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distributions or general kernels, but only for kernel
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developers working on DRM and associated drivers.
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For more information on KUnit and unit tests in general,
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please refer to the KUnit documentation in
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Documentation/dev-tools/kunit/.
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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_PANIC
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bool "Display a user-friendly message when a kernel panic occurs"
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depends on DRM
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select FONT_SUPPORT
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help
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Enable a drm panic handler, which will display a user-friendly message
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when a kernel panic occurs. It's useful when using a user-space
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console instead of fbcon.
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It will only work if your graphic driver supports this feature.
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To support Hi-DPI Display, you can enable bigger fonts like
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FONT_TER16x32
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config DRM_PANIC_FOREGROUND_COLOR
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hex "Drm panic screen foreground color, in RGB"
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depends on DRM_PANIC
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default 0xffffff
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config DRM_PANIC_BACKGROUND_COLOR
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hex "Drm panic screen background color, in RGB"
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depends on DRM_PANIC
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default 0x000000
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config DRM_PANIC_DEBUG
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bool "Add a debug fs entry to trigger drm_panic"
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depends on DRM_PANIC && DEBUG_FS
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help
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Add dri/[device]/drm_panic_plane_x in the kernel debugfs, to force the
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panic handler to write the panic message to this plane scanout buffer.
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This is unsafe and should not be enabled on a production build.
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If in doubt, say "N".
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config DRM_PANIC_SCREEN
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string "Panic screen formatter"
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default "user"
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depends on DRM_PANIC
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help
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This option enable to choose what will be displayed when a kernel
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panic occurs. You can choose between "user", a short message telling
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the user to reboot the system, or "kmsg" which will display the last
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lines of kmsg.
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This can also be overridden by drm.panic_screen=xxxx kernel parameter
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or by writing to /sys/module/drm/parameters/panic_screen sysfs entry
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Default is "user"
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config DRM_PANIC_SCREEN_QR_CODE
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bool "Add a panic screen with a QR code"
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depends on DRM_PANIC && RUST
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select ZLIB_DEFLATE
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help
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This option adds a QR code generator, and a panic screen with a QR
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code. The QR code will contain the last lines of kmsg and other debug
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information. This should be easier for the user to report a kernel
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panic, with all debug information available.
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To use this panic screen, also set DRM_PANIC_SCREEN to "qr_code"
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config DRM_PANIC_SCREEN_QR_CODE_URL
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string "Base URL of the QR code in the panic screen"
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depends on DRM_PANIC_SCREEN_QR_CODE
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help
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This option sets the base URL to report the kernel panic. If it's set
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the QR code will contain the URL and the kmsg compressed with zlib as
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a URL parameter. If it's empty, the QR code will contain the kmsg as
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uncompressed text only.
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There is a demo code in javascript, to decode and uncompress the kmsg
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data from the URL parameter at https://github.com/kdj0c/panic_report
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config DRM_PANIC_SCREEN_QR_VERSION
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int "Maximum version (size) of the QR code."
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depends on DRM_PANIC_SCREEN_QR_CODE
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default 40
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help
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This option limits the version (or size) of the QR code. QR code
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version ranges from Version 1 (21x21) to Version 40 (177x177).
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Smaller QR code are easier to read, but will contain less debugging
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data. Default is 40.
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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_DEBUG_MODESET_LOCK
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bool "Enable backtrace history for lock contention"
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depends on STACKTRACE_SUPPORT
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depends on DEBUG_KERNEL
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depends on EXPERT
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select STACKDEPOT
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default y if DEBUG_WW_MUTEX_SLOWPATH
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help
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Enable debug tracing of failures to gracefully handle drm modeset lock
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contention. A history of each drm modeset lock path hitting -EDEADLK
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will be saved until gracefully handled, and the backtrace will be
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printed when attempting to lock a contended lock.
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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 FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
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default FB
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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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source "drivers/gpu/drm/display/Kconfig"
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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_KUNIT_TEST
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tristate "KUnit tests for TTM" if !KUNIT_ALL_TESTS
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default n
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depends on DRM && KUNIT && MMU && (UML || COMPILE_TEST)
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select DRM_TTM
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select DRM_BUDDY
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select DRM_EXPORT_FOR_TESTS if m
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select DRM_KUNIT_TEST_HELPERS
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default KUNIT_ALL_TESTS
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help
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Enables unit tests for TTM, a GPU memory manager subsystem used
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to manage memory buffers. This option is mostly useful for kernel
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developers. It depends on (UML || COMPILE_TEST) since no other driver
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which uses TTM can be loaded while running the tests.
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If in doubt, say "N".
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config DRM_EXEC
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tristate
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depends on DRM
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help
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Execution context for command submissions
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config DRM_GPUVM
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tristate
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depends on DRM
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select DRM_EXEC
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help
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GPU-VM representation providing helpers to manage a GPUs virtual
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address space
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config DRM_BUDDY
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tristate
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depends on DRM
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help
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A page based buddy allocator
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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_DMA_HELPER
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tristate
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depends on DRM
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select FB_DMAMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
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help
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Choose this if you need the GEM DMA helper functions
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config DRM_GEM_SHMEM_HELPER
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tristate
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depends on DRM && MMU
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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_SUBALLOC_HELPER
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tristate
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depends on DRM
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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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source "drivers/gpu/drm/radeon/Kconfig"
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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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source "drivers/gpu/drm/xe/Kconfig"
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source "drivers/gpu/drm/kmb/Kconfig"
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config DRM_VGEM
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tristate "Virtual GEM provider"
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depends on DRM && MMU
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select DRM_GEM_SHMEM_HELPER
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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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source "drivers/gpu/drm/vkms/Kconfig"
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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/renesas/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/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/loongson/Kconfig"
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source "drivers/gpu/drm/etnaviv/Kconfig"
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source "drivers/gpu/drm/hisilicon/Kconfig"
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source "drivers/gpu/drm/logicvc/Kconfig"
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source "drivers/gpu/drm/mediatek/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/panthor/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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source "drivers/gpu/drm/gud/Kconfig"
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source "drivers/gpu/drm/solomon/Kconfig"
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source "drivers/gpu/drm/sprd/Kconfig"
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source "drivers/gpu/drm/imagination/Kconfig"
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config DRM_HYPERV
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tristate "DRM Support for Hyper-V synthetic video device"
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depends on DRM && PCI && MMU && HYPERV
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select DRM_KMS_HELPER
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select DRM_GEM_SHMEM_HELPER
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help
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This is a KMS driver for Hyper-V synthetic video device. Choose this
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option if you would like to enable drm driver for Hyper-V virtual
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machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so
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that DRM driver is used by default.
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If M is selected the module will be called hyperv_drm.
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config DRM_EXPORT_FOR_TESTS
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bool
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config DRM_LIB_RANDOM
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bool
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default n
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config DRM_PRIVACY_SCREEN
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bool
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default n
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config DRM_WERROR
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bool "Compile the drm subsystem with warnings as errors"
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depends on DRM && EXPERT
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depends on !WERROR
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default n
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help
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A kernel build should not cause any compiler warnings, and this
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enables the '-Werror' flag to enforce that rule in the drm subsystem.
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The drm subsystem enables more warnings than the kernel default, so
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this config option is disabled by default.
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If in doubt, say N.
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endif
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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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