Re: [PATCH 4/5] drm/i915: Use frame counter for intel_wait_for_vblank() on CTG

[Imre Deak <imre.deak@intel.com>]

On Wed, 2013-11-06 at 13:56 -0200, Rodrigo Vivi wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Use the same wait_for_vblank code for CTG that we use for ILK+.
> 
> Also fix the name of the frame counter register while at it.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>

Reviewed-by: Imre Deak <imre.deak@intel.com>

> ---
>  drivers/gpu/drm/i915/intel_display.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 64390f3..7595d5a 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -748,10 +748,10 @@ enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv,
>  	return intel_crtc->config.cpu_transcoder;
>  }
>  
> -static void ironlake_wait_for_vblank(struct drm_device *dev, int pipe)
> +static void g4x_wait_for_vblank(struct drm_device *dev, int pipe)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	u32 frame, frame_reg = PIPEFRAME(pipe);
> +	u32 frame, frame_reg = PIPE_FRMCOUNT_GM45(pipe);
>  
>  	frame = I915_READ(frame_reg);
>  
> @@ -772,8 +772,8 @@ void intel_wait_for_vblank(struct drm_device *dev, int pipe)
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	int pipestat_reg = PIPESTAT(pipe);
>  
> -	if (INTEL_INFO(dev)->gen >= 5) {
> -		ironlake_wait_for_vblank(dev, pipe);
> +	if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) {
> +		g4x_wait_for_vblank(dev, pipe);
>  		return;
>  	}
>  


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