[PATCH] drm/amdgpu:fix write more dws to ring

[Monk Liu]

Change-Id: I745512ed7d181e2cd0ce668c86ccfbb2dec80d4d
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 9129b8c..6c24ed8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -125,7 +125,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 	unsigned patch_offset = ~0;
 	struct amdgpu_vm *vm;
 	uint64_t fence_ctx;
-	uint32_t status = 0, alloc_size;
+	uint32_t status = 0;
 
 	unsigned i;
 	int r = 0;
@@ -152,10 +152,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 		return -EINVAL;
 	}
 
-	alloc_size = ring->funcs->emit_frame_size + num_ibs *
-		ring->funcs->emit_ib_size;
-
-	r = amdgpu_ring_alloc(ring, alloc_size);
+	r = amdgpu_ring_alloc(ring, ring->funcs.align_mask + 1);
 	if (r) {
 		dev_err(adev->dev, "scheduling IB failed (%d).\n", r);
 		return r;
-- 
2.7.4