Re: [PATCH 19/26] drm/i915: Skip intel_modeset_pipe_config_late() if the pipe is not enabled

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On Tue, 03 May 2022, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> No sense in calling intel_modeset_pipe_config_late() for a disabled
> pipe.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 11e974d66c29..a81d866bdb19 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -7669,9 +7669,11 @@ static int intel_atomic_check(struct drm_device *dev,
>  		if (!intel_crtc_needs_modeset(new_crtc_state))
>  			continue;
>  
> -		ret = intel_modeset_pipe_config_late(state, crtc);
> -		if (ret)
> -			goto fail;
> +		if (new_crtc_state->hw.enable) {
> +			ret = intel_modeset_pipe_config_late(state, crtc);
> +			if (ret)
> +				goto fail;
> +		}
>  
>  		intel_crtc_check_fastset(old_crtc_state, new_crtc_state);
>  	}

-- 
Jani Nikula, Intel Open Source Graphics Center




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