There's another OLED panel needs to use DPCD aux interface to control backlight.
BugLink: https://bugs.launchpad.net/bugs/1860303 Signed-off-by: Kai-Heng Feng <kai.heng.f...@canonical.com> --- drivers/gpu/drm/drm_dp_helper.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 8ba4531e808d..a0d4314663de 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -1301,6 +1301,8 @@ static const struct edid_quirk edid_quirk_list[] = { * only supports DPCD backlight controls */ { MFG(0x4c, 0x83), PROD_ID(0x41, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, + /* HP Spectre x360 Convertible 13t-aw100 */ + { MFG(0x4c, 0x83), PROD_ID(0x42, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) }, /* * Some Dell CML 2020 systems have panels support both AUX and PWM * backlight control, and some only support AUX backlight control. All -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
