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

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Message-ID: <20151207074428.GV10243@phenom.ffwll.local>
Date:	Mon, 7 Dec 2015 08:44:28 +0100
From:	Daniel Vetter <daniel@...ll.ch>
To:	Zhaoxiu Zeng <zhaoxiu.zeng@...il.com>
Cc:	daniel.vetter@...el.com, jani.nikula@...ux.intel.com,
	airlied@...ux.ie, intel-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/10] i915: Replace
 "hweight8(dev_priv->info.subslice_7eu[i]) != 1" with
 "!is_power_of_2(dev_priv->info.subslice_7eu[i])"

On Sun, Dec 06, 2015 at 06:26:30PM +0800, Zhaoxiu Zeng wrote:
> From: Zeng Zhaoxiu <zhaoxiu.zeng@...il.com>
> 
> Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@...il.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
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

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