4.14-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 922dceff8dc1fb4dafc9af78139ba65671408103 ]
BOE panel (ID: 0x0771) that reports "DFP 1.x compliant TMDS". But it's 6bpc panel only instead of 8 bpc.
Add panel ID to edid quirk list and set 6 bpc as default to work around this issue.
Cc: Jani Nikula jani.nikula@intel.com Cc: Maarten Lankhorst maarten.lankhorst@linux.intel.com Cc: Gustavo Padovan gustavo@padovan.org Cc: Cooper Chiou cooper.chiou@intel.com Signed-off-by: Lee, Shawn C shawn.c.lee@intel.com> Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch Link: https://patchwork.freedesktop.org/patch/msgid/1540792173-7288-1-git-send-ema... Signed-off-by: Sasha Levin sashal@kernel.org --- 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 d1191ebed072..ed01e3aae0e8 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -120,6 +120,9 @@ static const struct edid_quirk { /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */ { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
+ /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */ + { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC }, + /* Belinea 10 15 55 */ { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },