[PATCH 3/3] drm/amdgpu:fix wb_clear

[Monk Liu]

Change-Id: I6d50cc769ee29bf13524c83105d5004b0a2d85e3
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index c43f8d4..1d65117 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -551,7 +551,7 @@ int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb)
 
 	if (offset < adev->wb.num_wb) {
 		__set_bit(offset, adev->wb.used);
-		*wb = offset * 8; /* convert to dw offset */
+		*wb = offset << 3; /* convert to dw offset */
 		return 0;
 	} else {
 		return -EINVAL;
@@ -569,7 +569,7 @@ int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb)
 void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb)
 {
 	if (wb < adev->wb.num_wb)
-		__clear_bit(wb, adev->wb.used);
+		__clear_bit(wb >> 3, adev->wb.used);
 }
 
 /**
-- 
2.7.4