Hi,
Patch to fix an issue controlling the brightness of the OLED panel on the Lenovo X13 Yoga Please let me know any feedback or questions.
Mark Pearson ---------------------------------
Add another panel that needs the edid quirk to the list so that brightness control works correctly. Fixes issue seen on Lenovo X13 Yoga with OLED panel
Co-developed-by: jendrina@lenovo.com Signed-off-by: jendrina@lenovo.com Signed-off-by: Mark Pearson mpearson@lenovo.com Reviewed-by: Lyude Paul lyude@redhat.com --- drivers/gpu/drm/drm_dp_helper.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index c6fbe6e6bc9d..41f0e797ce8c 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -1313,6 +1313,7 @@ static const struct edid_quirk edid_quirk_list[] = { { MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, { MFG(0x4d, 0x10), PROD_ID(0xc7, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, { MFG(0x4d, 0x10), PROD_ID(0xe6, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, + { MFG(0x4c, 0x83), PROD_ID(0x47, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, }; #undef MFG -- 2.26.