On Sat, Oct 11, 2025 at 06:51:36PM +0200, Marek Vasut wrote:
> If the CRTC is disabled, do not check it, as the check will fail.
> Skip over the disabled CRTC.

sorry, I have not understand what means.

Frank

>
> Signed-off-by: Marek Vasut <[email protected]>
> ---
> Cc: Abel Vesa <[email protected]>
> Cc: Conor Dooley <[email protected]>
> Cc: Fabio Estevam <[email protected]>
> Cc: Krzysztof Kozlowski <[email protected]>
> Cc: Laurent Pinchart <[email protected]>
> Cc: Liu Ying <[email protected]>
> Cc: Lucas Stach <[email protected]>
> Cc: Peng Fan <[email protected]>
> Cc: Pengutronix Kernel Team <[email protected]>
> Cc: Rob Herring <[email protected]>
> Cc: Shawn Guo <[email protected]>
> Cc: Thomas Zimmermann <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> ---
>  drivers/gpu/drm/imx/dc/dc-crtc.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/imx/dc/dc-crtc.c 
> b/drivers/gpu/drm/imx/dc/dc-crtc.c
> index 56991cb033945..4955f519db917 100644
> --- a/drivers/gpu/drm/imx/dc/dc-crtc.c
> +++ b/drivers/gpu/drm/imx/dc/dc-crtc.c
> @@ -156,6 +156,10 @@ dc_crtc_atomic_check(struct drm_crtc *crtc, struct 
> drm_atomic_state *state)
>       struct dc_crtc *dc_crtc = to_dc_crtc(crtc);
>       enum drm_mode_status status;
>
> +     /* If we are not active we don't care */
> +     if (!new_crtc_state->active)
> +             return 0;
> +
>       status = dc_crtc_check_clock(dc_crtc, adj->clock);
>       if (status != MODE_OK)
>               return -EINVAL;
> --
> 2.51.0
>

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