ACPI / video: Add force_none quirk for Dell OptiPlex 9020M (1f59ab27) · Commits · 戴 / test

Dell OptiPlex 9020M is a micro PC desktop that has no built-in LCD panel and its acpi_video does not work. Signed-off-by:

drivers/acpi/video_detect.c

+14 −0

Original line number	Diff line number	Diff line
		@@ -103,6 +103,12 @@ static int video_detect_force_native(const struct dmi_system_id *d)
		return 0;
		}

		static int video_detect_force_none(const struct dmi_system_id *d)
		{
		acpi_backlight_dmi = acpi_backlight_none;
		return 0;
		}

		static const struct dmi_system_id video_detect_dmi_table[] = {
		/* On Samsung X360, the BIOS will set a flag (VDRV) if generic
		* ACPI backlight device is used. This flag will definitively break
		@@ -313,6 +319,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
		DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
		},
		},
		{
		.callback = video_detect_force_none,
		.ident = "Dell OptiPlex 9020M",
		.matches = {
		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
		DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 9020M"),
		},
		},
		{ },
		};