[Intel-gfx] [PATCH 1/2] drm/i915: make CRTC enable/disable asynchronous v2

[Chris Wilson]

On Fri, May 30, 2014 at 11:05:21AM -0700, Jesse Barnes wrote:
> @@ -8166,6 +8296,8 @@ static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
>  	intel_crtc->cursor_x = clamp_t(int, x, SHRT_MIN, SHRT_MAX);
>  	intel_crtc->cursor_y = clamp_t(int, y, SHRT_MIN, SHRT_MAX);
>  
> +	intel_sync_crtcs(crtc->dev->dev_private);
> +
>  	if (intel_crtc->active)
>  		intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL);
>  

Since the pending CRTC enable/disable will set the cursor anyway, this
sync could be avoided if intel_crtc->active was accurate.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre