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Commit ef8cf3a1 authored by Akinobu Mita's avatar Akinobu Mita Committed by Dave Airlie
Browse files

drm/radeon: Use hweight32 



Use hweight32 instead of counting for each bit

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 6311803b

drivers/gpu/drm/radeon/r600.c

+1 −7
Original line number Diff line number Diff line
@@ -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)

drivers/gpu/drm/radeon/r600_cp.c

+1 −6
Original line number Diff line number Diff line
@@ -721,12 +721,7 @@ 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,