[PATCH] drm/amdgpu: clean up the count calculation for nop

[Sunil Khatri]

clean up the calculation for nops count before
commit in the ring.

Signed-off-by: Sunil Khatri <sunil.kha...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 0d72d2cbb64b..2c8218332c65 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -142,9 +142,8 @@ void amdgpu_ring_commit(struct amdgpu_ring *ring)
        uint32_t count;
 
        /* We pad to match fetch size */
-       count = ring->funcs->align_mask + 1 -
-               (ring->wptr & ring->funcs->align_mask);
-       count %= ring->funcs->align_mask + 1;
+       count = ring->funcs->align_mask -
+               ((ring->wptr + ring->funcs->align_mask) & 
ring->funcs->align_mask);
 
        if (count != 0)
                ring->funcs->insert_nop(ring, count);
-- 
2.34.1