drm/radeon: s/drm_order/order_base_2/

Last driver and pretty obviously a major user of this little function.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 56bd4f3..5b6e477 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1560,8 +1560,8 @@
 
 		/* Set ring buffer size */
 		ring = &rdev->ring[ridx[i]];
-		rb_cntl = drm_order(ring->ring_size / 8);
-		rb_cntl |= drm_order(RADEON_GPU_PAGE_SIZE/8) << 8;
+		rb_cntl = order_base_2(ring->ring_size / 8);
+		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
 #ifdef __BIG_ENDIAN
 		rb_cntl |= BUF_SWAP_32BIT;
 #endif
@@ -1720,7 +1720,7 @@
 		WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL + reg_offset, 0);
 
 		/* Set ring buffer size in dwords */
-		rb_bufsz = drm_order(ring->ring_size / 4);
+		rb_bufsz = order_base_2(ring->ring_size / 4);
 		rb_cntl = rb_bufsz << 1;
 #ifdef __BIG_ENDIAN
 		rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE;