Re: [PATCH v1 2/2] drm/panel-edp: Modify LQ116M1JW10 panel's bpc to 6

[Ajye Huang]

Hi Doug,

On Thu, Oct 30, 2025 at 7:25 AM Doug Anderson <dianders@xxxxxxxxxxxx> wrote:

>
> Unless folks end up preferring EDID_QUIRK_FORCE_6BPC:
>
> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>

After following your suggestion with the following, the issue goes
away during YouTube playback.
I will send a new patch for drm_edid.c, thank you so much

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index e2e85345aa9a..a73d37fe7ea1 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -250,6 +250,9 @@ static const struct edid_quirk {
     EDID_QUIRK('S', 'V', 'R', 0x1019, BIT(EDID_QUIRK_NON_DESKTOP)),
     EDID_QUIRK('A', 'U', 'O', 0x1111, BIT(EDID_QUIRK_NON_DESKTOP)),

+    /* LQ116M1JW10 displays noise when 8 bpc, but display fine as 6 bpc */
+    EDID_QUIRK('S', 'H', 'P', 0x154c, EDID_QUIRK_FORCE_6BPC),
+
     /*
      * @drm_edid_internal_quirk entries end here, following with the
      * @drm_edid_quirk entries.