Signed-off-by: Akinobu Mita <[email protected]>
Cc: Dave Airlie <[email protected]>
Cc: [email protected]
---
 drivers/gpu/drm/radeon/r600.c    |    8 +-------
 drivers/gpu/drm/radeon/r600_cp.c |    7 +------
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 278f646..bb76d09 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -684,13 +684,7 @@ static u32 r600_get_tile_pipe_to_backend_map(u32 
num_tile_pipes,
 
 int r600_count_pipe_bits(uint32_t val)
 {
-       int i, ret = 0;
-
-       for (i = 0; i < 32; i++) {
-               ret += val & 1;
-               val >>= 1;
-       }
-       return ret;
+       return hweight32(val);
 }
 
 void r600_gpu_init(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c
index 6d5a711..87f4b0a 100644
--- a/drivers/gpu/drm/radeon/r600_cp.c
+++ b/drivers/gpu/drm/radeon/r600_cp.c
@@ -706,12 +706,7 @@ static u32 r600_get_tile_pipe_to_backend_map(u32 
num_tile_pipes,
 
 static int r600_count_pipe_bits(uint32_t val)
 {
-       int i, ret = 0;
-       for (i = 0; i < 32; i++) {
-               ret += val & 1;
-               val >>= 1;
-       }
-       return ret;
+       return hweight32(val);
 }
 
 static void r600_gfx_init(struct drm_device *dev,
-- 
1.6.5.1


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