ACPI: video: use native backlight for GA401/GA502/GA503

[ Upstream commit 2dfbacc ]

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

Signed-off-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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