[Intel-gfx] [PATCH 3/5] drm/i915: Create a USES_PPGTT macro

[Daniel Vetter]

On Fri, Jan 24, 2014 at 06:17:43PM -0800, Ben Widawsky wrote:
> There are cases where we want to know if there is a full, or aliased
> ppgtt. Having to always to the || is annoying. This shorthand will keep
> the code a bit cleaner/easier to read.
> 
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> ---
>  drivers/gpu/drm/i915/i915_drv.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index e851a82..6f68515 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -1844,6 +1844,7 @@ struct drm_i915_file_private {
>  #define HAS_PPGTT(dev)		(INTEL_INFO(dev)->gen >= 7 && !IS_VALLEYVIEW(dev) && !IS_BROADWELL(dev))
>  #define USES_ALIASING_PPGTT(dev) intel_enable_ppgtt(dev, false)
>  #define USES_FULL_PPGTT(dev)	intel_enable_ppgtt(dev, true)
> +#define USES_PPGTT(dev)		(USES_ALIASING_PPGTT(dev) || USES_FULL_PPGTT(dev))

Just do an s/ALIASING/HW/ and we get to the same point with overall
clearer code.
-Daniel

>  
>  #define HAS_OVERLAY(dev)		(INTEL_INFO(dev)->has_overlay)
>  #define OVERLAY_NEEDS_PHYSICAL(dev)	(INTEL_INFO(dev)->overlay_needs_physical)
> -- 
> 1.8.5.3
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch