diff options
| author | Monk Liu <Monk.Liu@amd.com> | 2017-10-17 19:18:56 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-10-20 13:28:55 -0400 |
| commit | 63ae07ca4fb4adcacc19272b05b5c3d398e94a56 (patch) | |
| tree | 2a39bc7c0e6bf6f8ada216ba2082f5b3f2de5a0b /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 6867e1b5fbd1a9deaf95a1bd23ea930063c8d216 (diff) | |
drm/amdgpu:fix wb_clear
Properly shift the index when clearing so we clear
the right bit
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 |
1 files 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 e29731c4ada7..efcacb827de7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -546,7 +546,7 @@ 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; @@ -564,7 +564,7 @@ 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); } /** |