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b5a981e1b34e44f94a5967f730fff4166f2101e8
linux/drivers/gpu/drm
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Mario Limonciello b5a981e1b3 drm/amd/display: fix default brightness 
[Why]
To avoid flickering during boot default brightness level set by BIOS
should be maintained for as much of the boot as feasible.
commit 2fe87f54ab ("drm/amd/display: Set default brightness according
to ACPI") attempted to set the right levels for AC vs DC, but brightness
still got reset to maximum level in initialization code for
setup_backlight_device().

[How]
Remove the hardcoded initialization in setup_backlight_device() and
instead program brightness value to match BIOS (AC or DC).  This avoids a
brightness flicker from kernel changing the value.  Userspace may however
still change it during boot.

Fixes: 2fe87f54ab ("drm/amd/display: Set default brightness according to ACPI")
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 0747acf331)
Cc: stable@vger.kernel.org
2025-03-10 14:11:13 -04:00
..
amd
drm/amd/display: fix default brightness
2025-03-10 14:11:13 -04:00
arm
Merge remote-tracking branch 'drm-misc/drm-misc-next-fixes' into drm-misc-fixes
2025-02-06 09:59:35 +01:00
armada
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
aspeed
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
ast
Merge remote-tracking branch 'drm-misc/drm-misc-next-fixes' into drm-misc-fixes
2025-02-06 09:59:35 +01:00
atmel-hlcdc
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
bridge
Merge v6.13 into drm-next
2025-01-23 14:42:21 +01:00
ci
drm/ci: remove update-xfails.py
2024-11-05 10:50:55 -03:00
clients
drm/log: select CONFIG_FONT_SUPPORT
2024-12-12 18:26:32 +01:00
display
drm: Fix DSC BPP increment decoding
2025-02-13 10:20:30 +02:00
etnaviv
Merge tag 'drm-etnaviv-next-2025-01-08' of https://git.pengutronix.de/git/lst/linux into drm-next
2025-01-10 10:55:06 +10:00
exynos
ASoC: hdmi-codec: move no_capture_mute to struct hdmi_codec_pdata
2025-01-04 08:47:10 +02:00
fsl-dcu
drm/fsl-dcu: Include <linux/of.h>
2024-12-13 15:20:40 +01:00
gma500
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
gud
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
hisilicon
drm/hisilicon/hibmc: select CONFIG_DRM_DISPLAY_DP_HELPER
2025-02-09 03:56:34 +02:00
hyperv
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
i2c
ASoC: hdmi-codec: move no_capture_mute to struct hdmi_codec_pdata
2025-01-04 08:47:10 +02:00
i915
drm/i915/mst: update max stream count to match number of pipes
2025-03-04 14:45:04 -05:00
imagination
drm/imagination: Fix timestamps in firmware traces
2025-03-03 12:15:55 +00:00
imx
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
ingenic
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
kmb
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
lib
drm/lib: Include <linux/prandom.h> instead of <linux/random.h>
2024-10-03 18:19:38 +02:00
lima
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
logicvc
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
loongson
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
mcde
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
mediatek
Merge tag 'driver-core-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2025-01-28 12:25:12 -08:00
meson
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
mgag200
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
msm
Merge tag 'drm-msm-fixes-2025-02-20' of https://gitlab.freedesktop.org/drm/msm into drm-fixes
2025-02-21 10:50:29 +10:00
mxsfb
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
nouveau
Merge tag 'drm-misc-fixes-2025-03-06' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
2025-03-07 07:06:34 +10:00
omapdrm
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
panel
drm: panel: jd9365da-h3: fix reset signal polarity
2025-02-13 17:46:51 +01:00
panfrost
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
panthor
drm/panthor: avoid garbage value in panthor_ioctl_dev_query()
2025-02-07 17:31:59 +01:00
pl111
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
qxl
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
radeon
drm/radeon: Fix rs400_gpu_init for ATI mobility radeon Xpress 200M
2025-03-05 12:33:33 -05:00
renesas
drm/rcar-du: Add support for r8a779h0
2024-12-17 15:13:04 +02:00
rockchip
drm/rockchip: vop2: Support 32x8 superblock afbc
2025-01-05 17:00:06 +01:00
scheduler
drm/sched: Fix preprocessor guard
2025-03-03 16:03:48 +01:00
solomon
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
sprd
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
sti
ASoC: hdmi-codec: move no_capture_mute to struct hdmi_codec_pdata
2025-01-04 08:47:10 +02:00
stm
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
sun4i
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
tegra
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
tests
drm/tests: hdmi: Fix recursive locking
2025-02-06 14:07:56 +01:00
tidss
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
tilcdc
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
tiny
drm/bochs: Fix DPMS regression
2025-03-06 08:54:42 +01:00
ttm
Merge tag 'cgroup-dmem-drm-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-next
2025-01-11 07:20:29 +10:00
tve200
Merge tag 'drm-misc-next-2024-12-05' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2024-12-13 08:48:09 +10:00
udl
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
v3d
drm/v3d: Assign job pointer to NULL before signaling the fence
2025-01-23 16:15:01 -03:00
vboxvideo
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
vc4
drm/vc4: hdmi: use drm_atomic_helper_connector_hdmi_hotplug()
2025-01-04 08:47:11 +02:00
vgem
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
virtio
drm/virtio: Fix UAF in virtgpu_dma_buf_free_obj()
2025-01-19 15:12:28 +03:00
vkms
drm/vkms: Round fixp2int conversion in lerp_u16
2025-02-25 16:15:55 +01:00
vmwgfx
Merge v6.13 into drm-next
2025-01-23 14:42:21 +01:00
xe
drm/xe/userptr: Unmap userptrs in the mmu notifier
2025-03-05 14:25:27 -05:00
xen
drm: remove driver date from struct drm_driver and all drivers
2024-12-05 12:35:42 +02:00
xlnx
Merge remote-tracking branch 'drm-misc/drm-misc-next-fixes' into drm-misc-fixes
2025-02-06 09:59:35 +01:00
drm_atomic_helper.c
drm/panic: Fix uninitialized spinlock acquisition with CONFIG_DRM_PANIC=n
2024-09-16 19:03:29 -04:00
drm_atomic_state_helper.c
…
drm_atomic_uapi.c
drm: Consistently use struct drm_mode_rect for FB_DAMAGE_CLIPS
2024-09-25 12:35:05 +02:00
drm_atomic.c
drm/atomic: add interlaced and ycbcr_420 flags to connector's state dump
2024-10-24 22:42:25 +03:00
drm_auth.c
…
drm_blend.c
…
drm_bridge.c
drm/bridge: Prioritize supported_formats over ycbcr_420_allowed
2025-01-13 11:18:20 +02:00
drm_buddy.c
drm/buddy: Add start address support to trim function
2024-08-07 18:19:00 -04:00
drm_cache.c
…
drm_client_event.c
drm/client: Make client support optional
2024-10-18 09:23:03 +02:00
drm_client_modeset.c
drm/client: Handle tiled displays better
2025-01-21 11:41:05 +01:00
drm_client.c
drm/client: Move client event handlers to drm_client_event.c
2024-10-18 09:23:03 +02:00
drm_color_mgmt.c
minmax: add a few more MIN_T/MAX_T users
2024-07-28 13:41:14 -07:00
drm_connector.c
Merge v6.13 into drm-next
2025-01-23 14:42:21 +01:00
drm_crtc_helper_internal.h
…
drm_crtc_helper.c
…
drm_crtc_internal.h
drm/panic: Add a QR code panic screen
2024-08-23 16:55:35 +02:00
drm_crtc.c
…
drm_damage_helper.c
…
drm_debugfs_crc.c
…
drm_debugfs.c
drm/client: Make client support optional
2024-10-18 09:23:03 +02:00
drm_displayid_internal.h
…
drm_displayid.c
drm/edid: reduce DisplayID log spamming
2024-08-14 10:19:09 +03:00
drm_draw_internal.h
drm/panic: Move drawing functions to drm_draw
2024-12-10 14:36:41 +01:00
drm_draw.c
drm/panic: Move drawing functions to drm_draw
2024-12-10 14:36:41 +01:00
drm_drv.c
drm/drv: Add drmm managed registration helper for dmem cgroups.
2025-01-06 17:25:35 +01:00
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
drm/connector: add mutex to protect ELD from concurrent access
2024-12-16 18:02:07 +02:00
drm_eld.c
…
drm_encoder_slave.c
…
drm_encoder.c
…
drm_exec.c
mm: kvmalloc: align kvrealloc() with krealloc()
2024-09-01 20:25:44 -07:00
drm_fb_dma_helper.c
…
drm_fb_helper.c
drm/modeset: Handle tiled displays in pan_display_atomic.
2025-01-21 11:39:34 +01:00
drm_fbdev_dma.c
drm/fbdev-dma: Add shadow buffering for deferred I/O
2025-02-27 09:37:55 +01:00
drm_fbdev_shmem.c
drm/fbdev-shmem: Remove obsolete setup function
2024-09-26 09:31:28 +02:00
drm_fbdev_ttm.c
drm/fbdev-ttm: Remove obsolete setup function
2024-09-26 09:31:29 +02:00
drm_file.c
drm: make drm-active- stats optional
2024-12-19 16:56:17 +01:00
drm_flip_work.c
…
drm_format_helper.c
…
drm_fourcc.c
drm/fbdev-helper: Move color-mode lookup into 4CC format helper
2024-09-26 08:27:49 +02:00
drm_framebuffer.c
Merge tag 'mm-nonmm-stable-2024-11-24-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-11-25 16:09:48 -08:00
drm_gem_atomic_helper.c
…
drm_gem_dma_helper.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
drm_gem_framebuffer_helper.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
drm_gem_shmem_helper.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
drm_gem_ttm_helper.c
…
drm_gem_vram_helper.c
drm/gem-vram: Remove support for simple display pipelines
2024-09-06 14:41:38 +02:00
drm_gem.c
drm/gem: Create a drm_gem_object_init_with_mnt() function
2024-09-25 08:40:20 -03:00
drm_gpuvm.c
…
drm_internal.h
drm/client: Make client support optional
2024-10-18 09:23:03 +02:00
drm_ioc32.c
…
drm_ioctl.c
drm: add DRM_SET_CLIENT_NAME ioctl
2024-10-08 10:00:30 +02:00
drm_kms_helper_common.c
…
drm_lease.c
…
drm_managed.c
…
drm_mipi_dbi.c
…
drm_mipi_dsi.c
drm/mipi-dsi: fix kernel doc on mipi_dsi_compression_mode_multi
2024-10-10 14:22:43 +02:00
drm_mm.c
drm/mm: annotate drm_mm_node_scanned_block() with __maybe_unused
2024-09-04 12:15:46 +03:00
drm_mode_config.c
drm/connector: Add FIXME for GETRESOURCES ioctl wrt. uninited connectors
2024-12-17 15:43:04 +02:00
drm_mode_object.c
drm/tests: Add test for drm_framebuffer_free()
2024-09-11 14:17:11 +02:00
drm_modes.c
Merge tag 'v6.13-rc6' into drm-next
2025-01-10 14:24:17 +10:00
drm_modeset_helper.c
drm/client: Move suspend/resume into DRM client callbacks
2024-10-18 09:23:03 +02:00
drm_modeset_lock.c
…
drm_of.c
gpu: drm: replace of_graph_get_next_endpoint()
2024-11-12 13:05:35 +01:00
drm_panel_backlight_quirks.c
drm: panel-backlight-quirks: Add Framework 13 glossy and 2.8k panels
2024-11-21 09:28:15 -06:00
drm_panel_orientation_quirks.c
Merge tag 'drm-next-2024-11-21' of https://gitlab.freedesktop.org/drm/kernel
2024-11-21 14:56:17 -08:00
drm_panel.c
drm: Use of_property_present() for non-boolean properties
2025-01-03 11:17:09 -06:00
drm_panic_qr.rs
rust: finish using custom FFI integer types
2024-12-16 21:48:45 +01:00
drm_panic.c
drm/panic: Move drawing functions to drm_draw
2024-12-10 14:36:41 +01:00
drm_pci.c
…
drm_plane_helper.c
…
drm_plane.c
…
drm_prime.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
drm_print.c
drm/print: add drm_print_hex_dump()
2024-12-10 14:08:40 +02:00
drm_privacy_screen_x86.c
…
drm_privacy_screen.c
…
drm_probe_helper.c
drm/client: Move client event handlers to drm_client_event.c
2024-10-18 09:23:03 +02:00
drm_property.c
…
drm_rect.c
drm: Fix kerneldoc for "Returns" section
2024-08-26 16:40:09 +02:00
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
…
drm_suballoc.c
…
drm_syncobj.c
fdget(), trivial conversions
2024-11-03 01:28:06 -05:00
drm_sysfs.c
…
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
treewide: Introduce kthread_run_worker[_on_cpu]()
2025-01-08 18:15:03 +01:00
drm_vblank.c
drm: Fix kerneldoc for "Returns" section
2024-08-26 16:40:09 +02:00
drm_vma_manager.c
…
drm_writeback.c
drm/writeback: remove pointless enable_signaling implementation
2024-10-09 14:23:37 +02:00
Kconfig
Merge remote-tracking branch 'drm-misc/drm-misc-next-fixes' into drm-misc-fixes
2025-02-06 09:59:35 +01:00
Makefile
drm/panic: Move drawing functions to drm_draw
2024-12-10 14:36:41 +01:00