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

[Zhaoxiu Zeng]

From: Zeng Zhaoxiu <zhaoxiu.z...@gmail.com>

Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng at gmail.com>
---
 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