Re: [PATCH v7 10/12] drm/bridge: cdns-dsi: Move DSI mode check to _atomic_check()

From: Dmitry Baryshkov
Date: Tue Jan 14 2025 - 06:15:33 EST


On Tue, Jan 14, 2025 at 11:26:24AM +0530, Aradhya Bhatia wrote:
> From: Aradhya Bhatia <a-bhatia1@xxxxxx>
>
> At present, the DSI mode configuration check happens during the
> _atomic_enable() phase, which is not really the best place for this.
> Moreover, if the mode is not valid, the driver gives a warning and
> continues the hardware configuration.
>
> Move the DSI mode configuration check to _atomic_check() instead, which
> can properly report back any invalid mode, before the _enable phase even
> begins.
>
> Signed-off-by: Aradhya Bhatia <a-bhatia1@xxxxxx>
> Signed-off-by: Aradhya Bhatia <aradhya.bhatia@xxxxxxxxx>
> ---
> .../gpu/drm/bridge/cadence/cdns-dsi-core.c | 87 +++++++++++++++++--
> 1 file changed, 82 insertions(+), 5 deletions(-)
>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

--
With best wishes
Dmitry