diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2023-08-07 11:44:08 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-08-17 19:29:58 +0200 |
| commit | 8cf04bb321f036dd2e523e993897e0789bd5265c (patch) | |
| tree | b7e44b778a18e447c71045ffa4c51db8a13ca271 | |
| parent | 89c290ea758911e660878e26270e084d862c03b0 (diff) | |
ACPI: video: Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
Linux defaults to picking the non-working ACPI video backlight interface
on the Apple iMac12,1 and iMac12,2.
Add a DMI quirk to pick the working native radeon_bl0 interface instead.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1838
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2753
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/acpi/video_detect.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 0c376edd64fe..442396f6ed1f 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -496,6 +496,24 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, }, { + /* https://gitlab.freedesktop.org/drm/amd/-/issues/1838 */ + .callback = video_detect_force_native, + /* Apple iMac12,1 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac12,1"), + }, + }, + { + /* https://gitlab.freedesktop.org/drm/amd/-/issues/2753 */ + .callback = video_detect_force_native, + /* Apple iMac12,2 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac12,2"), + }, + }, + { /* https://bugzilla.redhat.com/show_bug.cgi?id=1217249 */ .callback = video_detect_force_native, /* Apple MacBook Pro 12,1 */ |