On 13-Jun-24 14:08, Jayesh Choudhary wrote:
> Check the pixel clock for the mode in atomic_check and ensure that
> it is within the range supported by the bridge.
>
> Signed-off-by: Jayesh Choudhary <j-choudhary@xxxxxx>
> ---
> drivers/gpu/drm/bridge/sii902x.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
> index 00a8c469f553..7f91b0db161e 100644
> --- a/drivers/gpu/drm/bridge/sii902x.c
> +++ b/drivers/gpu/drm/bridge/sii902x.c
> @@ -496,6 +496,10 @@ static int sii902x_bridge_atomic_check(struct drm_bridge *bridge,
> struct drm_crtc_state *crtc_state,
> struct drm_connector_state *conn_state)
> {
> + if (crtc_state->mode.clock < SII902X_MIN_PIXEL_CLOCK_KHZ ||
> + crtc_state->mode.clock > SII902X_MAX_PIXEL_CLOCK_KHZ)
> + return -EINVAL;
> +
> /*
> * There might be flags negotiation supported in future but
> * set the bus flags in atomic_check statically for now.
Reviewed-by: Aradhya Bhatia <a-bhatia1@xxxxxx>
--
Regards
Aradhya
