Use them to more accurately determine the ring size required
for ib submission.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 2aa741c..ac08ae7 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;
+       uint32_t status = 0, alloc_size;
 
        unsigned i;
        int r = 0;
@@ -152,7 +152,11 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned 
num_ibs,
                return -EINVAL;
        }
 
-       r = amdgpu_ring_alloc(ring, 256 * num_ibs);
+       alloc_size = amdgpu_ring_get_dma_frame_size(ring) +
+               num_ibs * amdgpu_ring_get_emit_ib_size(ring);
+       alloc_size = (alloc_size + ring->align_mask) & ~ring->align_mask;
+
+       r = amdgpu_ring_alloc(ring, alloc_size);
        if (r) {
                dev_err(adev->dev, "scheduling IB failed (%d).\n", r);
                return r;
-- 
2.5.5

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