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])"

From: Daniel Vetter
Date: Mon Dec 07 2015 - 02:45:56 EST


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

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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> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

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