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![Linus Torvalds](/assets/img/avatar_default.png)
Here is the big set of driver core and debug printk changes for 6.1-rc1. Included in here is: - dynamic debug updates for the core and the drm subsystem. The drm changes have all been acked by the relevant maintainers. - kernfs fixes for syzbot reported problems - kernfs refactors and updates for cgroup requirements - magic number cleanups and removals from the kernel tree (they were not being used and they really did not actually do anything.) - other tiny cleanups All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCY0BYUA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ylozwCdFRlcghaf7XBUyNgRZRwMC+oQI8EAn1G/nEDE 6aFd2er41uK0IGQnSmYO =OK0k -----END PGP SIGNATURE----- Merge tag 'driver-core-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here is the big set of driver core and debug printk changes for 6.1-rc1. Included in here is: - dynamic debug updates for the core and the drm subsystem. The drm changes have all been acked by the relevant maintainers - kernfs fixes for syzbot reported problems - kernfs refactors and updates for cgroup requirements - magic number cleanups and removals from the kernel tree (they were not being used and they really did not actually do anything) - other tiny cleanups All of these have been in linux-next for a while with no reported issues" * tag 'driver-core-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (74 commits) docs: filesystems: sysfs: Make text and code for ->show() consistent Documentation: NBD_REQUEST_MAGIC isn't a magic number a.out: restore CMAGIC device property: Add const qualifier to device_get_match_data() parameter drm_print: add _ddebug descriptor to drm_*dbg prototypes drm_print: prefer bare printk KERN_DEBUG on generic fn drm_print: optimize drm_debug_enabled for jump-label drm-print: add drm_dbg_driver to improve namespace symmetry drm-print.h: include dyndbg header drm_print: wrap drm_*_dbg in dyndbg descriptor factory macro drm_print: interpose drm_*dbg with forwarding macros drm: POC drm on dyndbg - use in core, 2 helpers, 3 drivers. drm_print: condense enum drm_debug_category debugfs: use DEFINE_SHOW_ATTRIBUTE to define debugfs_regset32_fops driver core: use IS_ERR_OR_NULL() helper in device_create_groups_vargs() Documentation: ENI155_MAGIC isn't a magic number Documentation: NBD_REPLY_MAGIC isn't a magic number nbd: remove define-only NBD_MAGIC, previously magic number Documentation: FW_HEADER_MAGIC isn't a magic number Documentation: EEPROM_MAGIC_VALUE isn't a magic number ...
528 lines
14 KiB
Text
528 lines
14 KiB
Text
# 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_NOMODESET
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select DRM_PANEL_ORIENTATION_QUIRKS
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select HDMI
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select FB_CMDLINE
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select I2C
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select I2C_ALGOBIT
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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_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=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_USE_DYNAMIC_DEBUG
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bool "use dynamic debug to implement drm.debug"
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default y
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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
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tristate "KUnit tests for DRM" if !KUNIT_ALL_TESTS
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depends on DRM && KUNIT
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select PRIME_NUMBERS
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select DRM_DISPLAY_DP_HELPER
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select DRM_DISPLAY_HELPER
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select DRM_LIB_RANDOM
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select DRM_KMS_HELPER
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select DRM_BUDDY
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select DRM_EXPORT_FOR_TESTS if m
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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_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_KMS_HELPER
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depends on FB=y || FB=DRM_KMS_HELPER
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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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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 FRAMEBUFFER_CONSOLE if !EXPERT
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select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
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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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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_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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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_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_DISPLAY_DP_HELPER
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select DRM_DISPLAY_HELPER
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select DRM_KMS_HELPER
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select DRM_TTM
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select DRM_TTM_HELPER
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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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# radeon depends on ACPI_VIDEO when ACPI is enabled, for select to work
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# ACPI_VIDEO's dependencies must also be selected.
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select INPUT if ACPI
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select ACPI_VIDEO if ACPI
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# On x86 ACPI_VIDEO also needs ACPI_WMI
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select X86_PLATFORM_DEVICES if ACPI && X86
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select ACPI_WMI if ACPI && X86
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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_DISPLAY_DP_HELPER
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select DRM_DISPLAY_HDMI_HELPER
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select DRM_DISPLAY_HELPER
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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 DRM_TTM_HELPER
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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 DRM_BUDDY
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# amdgpu depends on ACPI_VIDEO when ACPI is enabled, for select to work
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# ACPI_VIDEO's dependencies must also be selected.
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select INPUT if ACPI
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select ACPI_VIDEO if ACPI
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# On x86 ACPI_VIDEO also needs ACPI_WMI
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select X86_PLATFORM_DEVICES if ACPI && X86
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select ACPI_WMI if ACPI && X86
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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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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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config DRM_VKMS
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tristate "Virtual KMS (EXPERIMENTAL)"
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depends on DRM && MMU
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select DRM_KMS_HELPER
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select DRM_GEM_SHMEM_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/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/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/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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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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# 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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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
|
|
for this driver to work.
|
|
|
|
config DRM_MGA
|
|
tristate "Matrox g200/g400"
|
|
depends on DRM && PCI
|
|
select FW_LOADER
|
|
help
|
|
Choose this option if you have a Matrox G200, G400 or G450 graphics
|
|
card. If M is selected, the module will be called mga. AGP
|
|
support is required for this driver to work.
|
|
|
|
config DRM_SIS
|
|
tristate "SiS video cards"
|
|
depends on DRM && AGP
|
|
depends on FB_SIS || FB_SIS=n
|
|
help
|
|
Choose this option if you have a SiS 630 or compatible video
|
|
chipset. If M is selected the module will be called sis. AGP
|
|
support is required for this driver to work.
|
|
|
|
config DRM_VIA
|
|
tristate "Via unichrome video cards"
|
|
depends on DRM && PCI
|
|
help
|
|
Choose this option if you have a Via unichrome or compatible video
|
|
chipset. If M is selected the module will be called via.
|
|
|
|
config DRM_SAVAGE
|
|
tristate "Savage video cards"
|
|
depends on DRM && PCI
|
|
help
|
|
Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
|
|
chipset. If M is selected the module will be called savage.
|
|
|
|
endif # DRM_LEGACY
|
|
|
|
config DRM_EXPORT_FOR_TESTS
|
|
bool
|
|
|
|
# Separate option because drm_panel_orientation_quirks.c is shared with fbdev
|
|
config DRM_PANEL_ORIENTATION_QUIRKS
|
|
tristate
|
|
|
|
# Separate option because nomodeset parameter is global and expected built-in
|
|
config DRM_NOMODESET
|
|
bool
|
|
default n
|
|
|
|
config DRM_LIB_RANDOM
|
|
bool
|
|
default n
|
|
|
|
config DRM_PRIVACY_SCREEN
|
|
bool
|
|
default n
|