[Intel-gfx] [PATCH v2 (rebased) 2/4] drm/i915: Perform dpll commit first, v2.

[Ander Conselvan De Oliveira]

On Mon, 2016-03-14 at 09:27 +0100, Maarten Lankhorst wrote:
> Warn for the wrong mask in enable only. Disable will have the wrong mask now
> because the new state is committed before disabling the old state.
> 
> Changes since v1:
> - Use crtc_mask (Durgadoss)
> - Rebase.

Reviewed-by: Ander Conselvan de Oliveira <conselvan2 at gmail.com>

> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c  | 5 ++---
>  drivers/gpu/drm/i915/intel_dpll_mgr.c | 2 +-
>  2 files changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index f8f02ec201b7..17d07a729cc0 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -13536,7 +13536,8 @@ static int intel_atomic_commit(struct drm_device *dev,
>  	}
>  
>  	drm_atomic_helper_swap_state(dev, state);
> -	dev_priv->wm.config = to_intel_atomic_state(state)->wm_config;
> +	dev_priv->wm.config = intel_state->wm_config;
> +	intel_shared_dpll_commit(state);
>  
>  	if (intel_state->modeset) {
>  		memcpy(dev_priv->min_pixclk, intel_state->min_pixclk,
> @@ -13588,8 +13589,6 @@ static int intel_atomic_commit(struct drm_device *dev,
>  	intel_modeset_update_crtc_state(state);
>  
>  	if (intel_state->modeset) {
> -		intel_shared_dpll_commit(state);
> -
>  		drm_atomic_helper_update_legacy_modeset_state(state->dev,
> state);
>  
>  		if (dev_priv->display.modeset_commit_cdclk &&
> diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c
> b/drivers/gpu/drm/i915/intel_dpll_mgr.c
> index e5f67efec32d..213862e8cd04 100644
> --- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
> +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
> @@ -156,7 +156,7 @@ void intel_disable_shared_dpll(struct intel_crtc *crtc)
>  	if (pll == NULL)
>  		return;
>  
> -	if (WARN_ON(!(pll->config.crtc_mask & crtc_mask)))
> +	if (WARN_ON(!(pll->active_mask & crtc_mask)))
>  		return;
>  
>  	DRM_DEBUG_KMS("disable %s (active %x, on? %d) for crtc %d\n",