Re: [PATCH v4 08/18] drm/i915/display: VRR + DRRS cannot be enabled together

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On Wed, Jan 13, 2021 at 02:09:25PM -0800, Manasi Navare wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> 
> If VRR is enabled, DRRS cannot be enabled, so make this check
> in atomic check.

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

if we want to keep this as a separete patch.

> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index a275303c0c5c..869a9d291e1b 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -2845,6 +2845,9 @@ intel_dp_drrs_compute_config(struct intel_dp *intel_dp,
>  	struct intel_connector *intel_connector = intel_dp->attached_connector;
>  	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
>  
> +	if (pipe_config->vrr.enable)
> +		return;
> +
>  	/*
>  	 * DRRS and PSR can't be enable together, so giving preference to PSR
>  	 * as it allows more power-savings by complete shutting down display,
> -- 
> 2.19.1

-- 
Ville Syrjälä
Intel
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