Hi,
On Mon, Nov 3, 2025 at 8:38 AM Doug Anderson <[email protected]> wrote:
>
> Hi,
>
> On Fri, Oct 31, 2025 at 9:01 PM Ajye Huang
> <[email protected]> wrote:
> >
> > The Sharp LQ116M1JW105 reports that it supports 8 bpc modes,
> > but it will happen display noise in some videos.
> > So, limit it to 6 bpc modes.
> >
> > Signed-off-by: Ajye Huang <[email protected]>
> > ---
> > changes from v1->v2:
> > * Change EDID_QUIRK_FORCE_6BPC to BIT(EDID_QUIRK_FORCE_6BPC)
> >
> > drivers/gpu/drm/drm_edid.c | 3 +++
> > 1 file changed, 3 insertions(+)
>
> There was some extra testing and summarization on the internal
> discussion about this problem that cleared up my confusion and I agree
> that this is the right fix. While the panel does properly link train
> at 8bpp and generally displays images OK, showing certain images on
> the screen displays consistent corruption on just this panel (other
> 8bpp panels are fine). It seems like there's some sort of subtle bug
> in the panel at 8bpp. Limiting it to 6bpp, which is what the panel was
> originally tested with, is the right thing to do.
>
> Reviewed-by: Douglas Anderson <[email protected]>
Pushed to drm-misc-next:
[1/1] drm/edid: add 6 bpc quirk to the Sharp LQ116M1JW10
commit: f23e40e378a0858da26e8d5a6f09f82ecd95e247
