Re: [PATCH 4/4] drm/i915/fbc: enable FBC on gen 9+ too

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On Wed, Apr 13, 2016 at 04:01:37PM -0300, Paulo Zanoni wrote:
> Now that we're more protected against user space doing frontbuffer
> mmap rendering, the last - how many times did I say this before? -
> SKL problem seems to be solved. So let's give it a try.
> 
> And since the other newer platforms are still under preliminary
> support, let's enable FBC on them too to make sure we fix FBC on them.
> Also, it seems KBL is passing the tests.
> 
> If you reached this commit through git bisect or if you just want more
> information about FBC, please see:
>     commit a98ee79317b4091cafb502b4ffdbbbe1335e298c
>     Author: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
>     Date:   Tue Feb 16 18:47:21 2016 -0200
>         drm/i915/fbc: enable FBC by default on HSW and BDW
> 
> v2: Enable not only on SKL, but for everything new (Daniel).
> v3: Rebase after the intel_sanitize_fbc_option() change.
> 
> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>

\o/ let's pop the champange!

Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_fbc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
> index c3dffba..1043482 100644
> --- a/drivers/gpu/drm/i915/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/intel_fbc.c
> @@ -1230,7 +1230,8 @@ static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv)
>  	if (i915.enable_fbc >= 0)
>  		return !!i915.enable_fbc;
>  
> -	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
> +	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv) ||
> +	    INTEL_GEN(dev_priv) >= 9)
>  		return 1;
>  
>  	return 0;
> -- 
> 2.8.0.rc3
> 
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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