[Intel-gfx] [PATCH 03/10] i915: Replace "hweight8(dev_priv->info.subslice_7eu[i]) != 1" with "!is_power_of_2(dev_priv->info.subslice_7eu[i])"

[Daniel Vetter]

On Sun, Dec 06, 2015 at 06:26:30PM +0800, Zhaoxiu Zeng wrote:
> From: Zeng Zhaoxiu <zhaoxiu.zeng at gmail.com>
> 
> Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng at gmail.com>

Queued for -next, thanks for the patch.
-Daniel

> ---
>  drivers/gpu/drm/i915/intel_ringbuffer.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index 9461a23..16c8cf1 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -27,6 +27,7 @@
>   *
>   */
>  
> +#include <linux/log2.h>
>  #include <drm/drmP.h>
>  #include "i915_drv.h"
>  #include <drm/i915_drm.h>
> @@ -1000,7 +1001,7 @@ static int skl_tune_iz_hashing(struct intel_engine_cs *ring)
>  		 * Only consider slices where one, and only one, subslice has 7
>  		 * EUs
>  		 */
> -		if (hweight8(dev_priv->info.subslice_7eu[i]) != 1)
> +		if (!is_power_of_2(dev_priv->info.subslice_7eu[i]))
>  			continue;
>  
>  		/*
> -- 
> 2.5.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch