[PATCH 5.10 167/593] ACPI: video: use native backlight for GA401/GA502/GA503

From: Greg Kroah-Hartman
Date: Mon Jul 12 2021 - 02:49:41 EST


From: Luke D Jones <luke@xxxxxxxxxx>

[ Upstream commit 2dfbacc65d1d2eae587ccb6b93f6280542641858 ]

Force backlight control in these models to use the native interface
at /sys/class/backlight/amdgpu_bl0.

Signed-off-by: Luke D. Jones <luke@xxxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/acpi/video_detect.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 83cd4c95faf0..33474fd96991 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -385,6 +385,30 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "BA51_MV"),
},
},
+ {
+ .callback = video_detect_force_native,
+ .ident = "ASUSTeK COMPUTER INC. GA401",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA401"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "ASUSTeK COMPUTER INC. GA502",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA502"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
+ .ident = "ASUSTeK COMPUTER INC. GA503",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA503"),
+ },
+ },

/*
* Desktops which falsely report a backlight and which our heuristics
--
2.30.2