Found EDID byte 14 value was 0x80 that report unknown color depth.
Based on monitor's spec to add it into quirk list.
Cc: Jani Nikula <jani.nik...@intel.com>
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Cooper Chiou <cooper.ch...@intel.com>
Signed-off-by: Lee Shawn C <shawn.c....@intel.com>
---
drivers/gpu/drm/drm_edid.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 474ac04d5600..58dfc6332fd2 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -140,6 +140,9 @@ static const struct edid_quirk {
/* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
{ "LGD", 764, EDID_QUIRK_FORCE_10BPC },
+ /* HP z27x monitor support max 10 bpc, but reports unknown bpc */
+ { "HWP", 0x3105, EDID_QUIRK_FORCE_10BPC },
+
/* LG Philips LCD LP154W01-A5 */
{ "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
{ "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
--
2.17.1
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