Re: [PATCH 3/5] drm/bridge: tc358762: Instruct DSI host to generate HSE packets

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On Thu, Jun 15, 2023 at 10:19:00PM +0200, Marek Vasut wrote:
> This bridge seems to need the HSE packet, otherwise the image is
> shifted up and corrupted at the bottom. This makes the bridge
> work with Samsung DSIM on i.MX8MM and i.MX8MP.
> 
> Signed-off-by: Marek Vasut <marex@xxxxxxx>
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>

(Not that I know the register or such, but the patch looks good).

> ---
> Cc: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxxx>
> Cc: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
> Cc: Jonas Karlman <jonas@xxxxxxxxx>
> Cc: Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> Cc: Robert Foss <rfoss@xxxxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> ---
>  drivers/gpu/drm/bridge/tc358762.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/bridge/tc358762.c b/drivers/gpu/drm/bridge/tc358762.c
> index 5e00c08b99540..77f2ec9de9e59 100644
> --- a/drivers/gpu/drm/bridge/tc358762.c
> +++ b/drivers/gpu/drm/bridge/tc358762.c
> @@ -241,7 +241,7 @@ static int tc358762_probe(struct mipi_dsi_device *dsi)
>  	dsi->lanes = 1;
>  	dsi->format = MIPI_DSI_FMT_RGB888;
>  	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
> -			  MIPI_DSI_MODE_LPM;
> +			  MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_VIDEO_HSE;
>  
>  	ret = tc358762_parse_dt(ctx);
>  	if (ret < 0)
> -- 
> 2.39.2



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