On Tue, Jul 12, 2022 at 9:39 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > > Hi All, > > As mentioned in my RFC titled "drm/kms: control display brightness through > drm_connector properties": > https://lore.kernel.org/dri-devel/0d188965-d809-81b5-74ce-7d30c49fee2d@xxxxxxxxxx/ > > The first step towards this is to deal with some existing technical debt > in backlight handling on x86/ACPI boards, specifically we need to stop > registering multiple /sys/class/backlight devs for a single display. > > This series implements my RFC describing my plan for these cleanups: > https://lore.kernel.org/dri-devel/98519ba0-7f18-201a-ea34-652f50343158@xxxxxxxxxx/ > > This new version addresses the few small remarks made on version 1 (mainly > changing patch 1/29) and more importantly this finishes the refactoring by > else addressing all the bits from the "Other issues" section of > the refactor RFC (resulting in patches 15-29 which are new in v2). > > Please review and test! I hope to be able to make an immutable branch > based on 5.20-rc1 + this series available for merging into the various > touched subsystems once 5.20-rc2 is out. Please feel free to add Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> to all of the ACPI video patches in this series. Thanks! > Hans de Goede (29): > ACPI: video: Add acpi_video_backlight_use_native() helper > drm/i915: Don't register backlight when another backlight should be > used > drm/amdgpu: Don't register backlight when another backlight should be > used > drm/radeon: Don't register backlight when another backlight should be > used > drm/nouveau: Don't register backlight when another backlight should be > used > ACPI: video: Drop backlight_device_get_by_type() call from > acpi_video_get_backlight_type() > ACPI: video: Remove acpi_video_bus from list before tearing it down > ACPI: video: Simplify acpi_video_unregister_backlight() > ACPI: video: Make backlight class device registration a separate step > ACPI: video: Remove code to unregister acpi_video backlight when a > native backlight registers > drm/i915: Call acpi_video_register_backlight() (v2) > drm/nouveau: Register ACPI video backlight when nv_backlight > registration fails > drm/amdgpu: Register ACPI video backlight when skipping amdgpu > backlight registration > drm/radeon: Register ACPI video backlight when skipping radeon > backlight registration > ACPI: video: Refactor acpi_video_get_backlight_type() a bit > ACPI: video: Add Nvidia WMI EC brightness control detection > ACPI: video: Add Apple GMUX brightness control detection > platform/x86: apple-gmux: Stop calling acpi/video.h functions > platform/x86: toshiba_acpi: Stop using > acpi_video_set_dmi_backlight_type() > platform/x86: acer-wmi: Move backlight DMI quirks to > acpi/video_detect.c > platform/x86: asus-wmi: Drop DMI chassis-type check from backlight > handling > platform/x86: asus-wmi: Move acpi_backlight=vendor quirks to ACPI > video_detect.c > platform/x86: asus-wmi: Move acpi_backlight=native quirks to ACPI > video_detect.c > platform/x86: samsung-laptop: Move acpi_backlight=[vendor|native] > quirks to ACPI video_detect.c > ACPI: video: Remove acpi_video_set_dmi_backlight_type() > ACPI: video: Drop "Samsung X360" acpi_backlight=native quirk > ACPI: video: Drop Clevo/TUXEDO NL5xRU and NL5xNU acpi_backlight=native > quirks > ACPI: video: Fix indentation of video_detect_dmi_table[] entries > drm/todo: Add entry about dealing with brightness control on devices > with > 1 panel > > Documentation/gpu/todo.rst | 68 +++ > drivers/acpi/Kconfig | 1 + > drivers/acpi/acpi_video.c | 59 ++- > drivers/acpi/video_detect.c | 415 +++++++++++------- > drivers/gpu/drm/Kconfig | 12 + > .../gpu/drm/amd/amdgpu/atombios_encoders.c | 14 +- > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 + > drivers/gpu/drm/gma500/Kconfig | 2 + > drivers/gpu/drm/i915/Kconfig | 2 + > .../gpu/drm/i915/display/intel_backlight.c | 7 + > drivers/gpu/drm/i915/display/intel_display.c | 8 + > drivers/gpu/drm/i915/display/intel_panel.c | 3 + > drivers/gpu/drm/i915/i915_drv.h | 2 + > drivers/gpu/drm/nouveau/nouveau_backlight.c | 14 + > drivers/gpu/drm/radeon/atombios_encoders.c | 7 + > drivers/gpu/drm/radeon/radeon_encoders.c | 11 +- > .../gpu/drm/radeon/radeon_legacy_encoders.c | 7 + > drivers/platform/x86/acer-wmi.c | 66 --- > drivers/platform/x86/apple-gmux.c | 3 - > drivers/platform/x86/asus-nb-wmi.c | 21 - > drivers/platform/x86/asus-wmi.c | 13 - > drivers/platform/x86/asus-wmi.h | 2 - > drivers/platform/x86/eeepc-wmi.c | 25 +- > drivers/platform/x86/samsung-laptop.c | 87 ---- > drivers/platform/x86/toshiba_acpi.c | 16 - > include/acpi/video.h | 9 +- > 26 files changed, 468 insertions(+), 415 deletions(-) > > -- > 2.36.0 >
