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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2012-11-09 16:10:41 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-11-20 10:06:18 +0400 |
| commit | ef8cf3a1c523afa499d15856e7db3844ad59d1fb (patch) | |
| tree | 998f1c1afed540a6df8c8f61d5f58e32f70d9665 /drivers/gpu/drm/radeon/r600.c | |
| parent | 6311803b1294432ee680fec5e628efae0d485fa2 (diff) | |
| download | linux-ef8cf3a1c523afa499d15856e7db3844ad59d1fb.tar.xz | |
drm/radeon: Use hweight32
Use hweight32 instead of counting for each bit
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index cda280d157da..169ecc9628ea 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1424,13 +1424,7 @@ u32 r6xx_remap_render_backend(struct radeon_device *rdev, 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_gpu_init(struct radeon_device *rdev) |