On Thu, Jul 24, 2014 at 05:04:34PM +0100, Thomas Daniel wrote:
> From: Oscar Mateo <oscar.ma...@intel.com>
> 
> The normal flip function places things in the ring in the legacy
> way, so we either fix that or force MMIO flips always as we do in
> this patch.
> 
> Signed-off-by: Oscar Mateo <oscar.ma...@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c |    2 ++
>  drivers/gpu/drm/i915/intel_lrc.c     |    3 ++-
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c 
> b/drivers/gpu/drm/i915/intel_display.c
> index 5ed6a1a..8129af4 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -9482,6 +9482,8 @@ static bool use_mmio_flip(struct intel_engine_cs *ring,
>               return false;
>       else if (i915.use_mmio_flip > 0)
>               return true;
> +     else if (i915.enable_execlists)
> +             return true;
>       else
>               return ring != obj->ring;
>  }
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c 
> b/drivers/gpu/drm/i915/intel_lrc.c
> index cd834b3..0a04c03 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -83,7 +83,8 @@ int intel_sanitize_enable_execlists(struct drm_device *dev, 
> int enable_execlists
>       if (enable_execlists == 0)
>               return 0;
>  
> -     if (HAS_LOGICAL_RING_CONTEXTS(dev) && USES_PPGTT(dev))
> +     if (HAS_LOGICAL_RING_CONTEXTS(dev) && USES_PPGTT(dev) &&
> +                     i915.use_mmio_flip >= 0)

Almost every patch gets the alignment wrong somewhere. Not terribly
amused.
-Daniel

>               return 1;
>  
>       return 0;
> -- 
> 1.7.9.5
> 
> _______________________________________________
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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