Am 16.09.2016 um 18:05 schrieb Alex Deucher:
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;
amdgpu_ring_alloc() is doing this anyway, so this is superfluous here.
With that fixed the whole series is Reviewed-by: Christian König
<christian.koe...@amd.com>.
Regards,
Christian.
+
+ r = amdgpu_ring_alloc(ring, alloc_size);
if (r) {
dev_err(adev->dev, "scheduling IB failed (%d).\n", r);
return r;
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