[PATCH 10/13] drm/amdgpu:fix ring_write_multiple

[Monk Liu]

ring_write_multiple should use buf_mask instead of ptr_mask

Change-Id: Ia249b6a1a990a6c3cba5c4048de6d604bb91d0ef
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 2861aee..284af3a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1804,9 +1804,9 @@ static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring, void *sr
 	if (ring->count_dw < count_dw) {
 		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");
 	} else {
-		occupied = ring->wptr & ring->ptr_mask;
+		occupied = ring->wptr & ring->buf_mask;
 		dst = (void *)&ring->ring[occupied];
-		chunk1 = ring->ptr_mask + 1 - occupied;
+		chunk1 = ring->buf_mask + 1 - occupied;
 		chunk1 = (chunk1 >= count_dw) ? count_dw: chunk1;
 		chunk2 = count_dw - chunk1;
 		chunk1 <<= 2;
-- 
2.7.4