[PATCH v2 4/4] drm/msm/dp: make dp_connector_mode_valid() more precise

Kuogee Hsieh quic_khsieh at quicinc.com
Mon Apr 4 17:01:01 UTC 2022


On 3/30/2022 3:30 PM, Dmitry Baryshkov wrote:
> Make dp_connector_mode_valid() return precise MODE_CLOCK_HIGH rather
> than generic MODE_BAD in case the mode clock is higher than
> DP_MAX_PIXEL_CLK_KHZ (675 MHz).
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---

Reviewed-by: Kuogee Hsieh<quic_khsieh at quicinc.com>

>   drivers/gpu/drm/msm/dp/dp_drm.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
> index a94c9b34f397..3225435fa81b 100644
> --- a/drivers/gpu/drm/msm/dp/dp_drm.c
> +++ b/drivers/gpu/drm/msm/dp/dp_drm.c
> @@ -89,7 +89,7 @@ static enum drm_mode_status dp_connector_mode_valid(
>   	dp_disp = to_dp_connector(connector)->dp_display;
>   
>   	if (mode->clock > DP_MAX_PIXEL_CLK_KHZ)
> -		return MODE_BAD;
> +		return MODE_CLOCK_HIGH;
>   
>   	return dp_display_validate_mode(dp_disp, mode->clock);
>   }


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