This is a note to let you know that I've just added the patch titled ACPI: video: force native for Apple MacbookPro11,2 and Air7,2 to the 6.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: acpi-video-force-native-for-apple-macbookpro11-2-and.patch and it can be found in the queue-6.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit e7e19d0e1b1814432d9b4038d45f0e730b2158dd Author: Jonathan Denose <jdenose@xxxxxxxxxx> Date: Tue Nov 12 22:25:17 2024 +0000 ACPI: video: force native for Apple MacbookPro11,2 and Air7,2 [ Upstream commit 295991836b23c12ddb447f7f583a17fd3616ad7d ] There is a bug in the Macbook Pro 11,2 and Air 7,2 firmware similar to what is described in: commit 7dc918daaf29 ("ACPI: video: force native for Apple MacbookPro9,2") This bug causes their backlights not to come back after resume. Add DMI quirks to select the working native Intel firmware interface such that the backlght comes back on after resume. Signed-off-by: Jonathan Denose <jdenose@xxxxxxxxxx> Link: https://patch.msgid.link/20241112222516.1.I7fa78e6acbbed56ed5677f5e2dacc098a269d955@changeid [ rjw: Changelog edits ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 015bd8e66c1cf..d507d5e084354 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -549,6 +549,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "iMac12,2"), }, }, + { + .callback = video_detect_force_native, + /* Apple MacBook Air 7,2 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir7,2"), + }, + }, { .callback = video_detect_force_native, /* Apple MacBook Air 9,1 */ @@ -565,6 +573,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro9,2"), }, }, + { + .callback = video_detect_force_native, + /* Apple MacBook Pro 11,2 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro11,2"), + }, + }, { /* https://bugzilla.redhat.com/show_bug.cgi?id=1217249 */ .callback = video_detect_force_native,