[Intel-gfx] [PATCH 2/2] drm/i915: add Ivy Bridge page flip support

[Ben Widawsky]

On Thu, Jun 16, 2011 at 09:19:14AM -0700, Jesse Barnes wrote:
> Use the blit ring for submitting flips since the render ring doesn't
> generate flip complete interrupts.
> 
> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> ---
>  drivers/gpu/drm/i915/intel_display.c |   30 ++++++++++++++++++++++++++++++
>  1 files changed, 30 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 37e74e9..e842ed9 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -6412,6 +6412,33 @@ out:
>  	return ret;
>  }
>  
> +static int intel_gen7_queue_flip(struct drm_device *dev,
> +				 struct drm_crtc *crtc,
> +				 struct drm_framebuffer *fb,
> +				 struct drm_i915_gem_object *obj)
> +{
> +	struct drm_i915_private *dev_priv = dev->dev_private;
> +	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
Could you put the bit about why you chose the blitter ring here.
> +	struct intel_ring_buffer *ring = &dev_priv->ring[BCS];


Reviewed-by: Ben Widawsky <ben at bwidawsk.net>