[PATCH v3 12/17] drm/bridge: cdns-dsi: Adjust mode to negative syncs

Aradhya Bhatia aradhya.bhatia at linux.dev
Tue Apr 15 13:23:45 UTC 2025


On 14/04/25 16:41, Tomi Valkeinen wrote:
> The Cadence DSI requires negative syncs from the incoming video signal,
> but at the moment that requirement is not expressed in any way. If the
> crtc decides to use positive syncs, things break down.
> 
> Use the adjusted_mode in atomic_check to set the sync flags to negative
> ones.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com>
> ---
>  drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 

Reviewed-by: Aradhya Bhatia <aradhya.bhatia at linux.dev>

-- 
Regards
Aradhya



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