Re: [PATCH v3 09/11] drm/i915: Update atomic modeset state synchronously, v2.

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Tue, Nov 08, 2016 at 01:55:40PM +0100, Maarten Lankhorst wrote:
> All of this state should be updated as soon as possible. It shouldn't be
> done later because then future updates may not depend on it.
> 
> Changes since v1:
> - Move the modeset update to before drm_atomic_state_get. (Ville)
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/intel_display.c | 15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index e59adb03933e..d368afa199e3 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -14353,14 +14353,8 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
>  
>  	drm_atomic_helper_wait_for_dependencies(state);
>  
> -	if (intel_state->modeset) {
> -		memcpy(dev_priv->min_pixclk, intel_state->min_pixclk,
> -		       sizeof(intel_state->min_pixclk));
> -		dev_priv->active_crtcs = intel_state->active_crtcs;
> -		dev_priv->atomic_cdclk_freq = intel_state->cdclk;
> -
> +	if (intel_state->modeset)
>  		intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET);
> -	}
>  
>  	for_each_crtc_in_state(state, crtc, old_crtc_state, i) {
>  		struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> @@ -14601,6 +14595,13 @@ static int intel_atomic_commit(struct drm_device *dev,
>  	intel_shared_dpll_commit(state);
>  	intel_atomic_track_fbs(state);
>  
> +	if (intel_state->modeset) {
> +		memcpy(dev_priv->min_pixclk, intel_state->min_pixclk,
> +		       sizeof(intel_state->min_pixclk));
> +		dev_priv->active_crtcs = intel_state->active_crtcs;
> +		dev_priv->atomic_cdclk_freq = intel_state->cdclk;
> +	}
> +
>  	drm_atomic_state_get(state);
>  	INIT_WORK(&state->commit_work,
>  		  nonblock ? intel_atomic_commit_work : NULL);
> -- 
> 2.7.4
> 
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-- 
Ville Syrjälä
Intel OTC
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