Re: [PATCH v7 3/3] drm/bridge: anx7625: config hs packets end aligned to avoid screen shift

From: Xin Ji
Date: Mon Nov 01 2021 - 21:56:47 EST


On Mon, Nov 01, 2021 at 11:16:15AM +0800, Jitao Shi wrote:
> Hi Xin,
>
> Please help to review the changes in anx7625.c
>
> On Thu, 2021-09-16 at 06:31 +0800, Jitao Shi wrote:
> > This device requires the packets on lanes aligned at the end to fix
> > screen shift or scroll.
> >
> > Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/bridge/analogix/anx7625.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c
> > b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > index 14d73fb1dd15..d76fb63fa9f7 100644
> > --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> > +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > @@ -1327,6 +1327,7 @@ static int anx7625_attach_dsi(struct
> > anx7625_data *ctx)
> > MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
> > MIPI_DSI_MODE_NO_EOT_PACKET |
> > MIPI_DSI_MODE_VIDEO_HSE;
> > + dsi->hs_packet_end_aligned = true;

Looks good, it's OK for me.
Reviewed-by: Xin Ji <xji@xxxxxxxxxxxxxxxx>

> >
> > if (mipi_dsi_attach(dsi) < 0) {
> > DRM_DEV_ERROR(dev, "fail to attach dsi to host.\n");