We just got confirmation from BOE that they will modified EDID on this panel to fix issue.
Please ignore this change. Thanks!
>On Mon, 12 Nov 2018, "Lee, Shawn C" <shawn.c.lee@xxxxxxxxx> wrote:
>
>BOE panel (ID: 0x0770) 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@xxxxxxxxx>
>Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
>Cc: Gustavo Padovan <gustavo@xxxxxxxxxxx>
>Cc: Cooper Chiou <cooper.chiou@xxxxxxxxx>
>Signed-off-by: Lee, Shawn C <shawn.c.lee@xxxxxxxxx>
>---
> 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 08821dfa3327..8c93779d3b2f 100644
>--- a/drivers/gpu/drm/drm_edid.c
>+++ b/drivers/gpu/drm/drm_edid.c
>@@ -119,6 +119,9 @@ 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 0x0770 reports 8 bpc, but is a 6 bpc panel */
>+ { "BOE", 0x0770, EDID_QUIRK_FORCE_6BPC },
>+
> /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
> { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
>
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