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drm/amdgpu: fix UVD/VCE fence handling 

We need to return the sequence number to userspace
even when we don't use user fences.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2015-07-21 18:02:21 +02:00 committed by Alex Deucher
parent 5ceb54c68a
commit 5430a3ffb0
3 changed files with 9 additions and 6 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -414,8 +414,6 @@ struct amdgpu_user_fence {
struct amdgpu_bo *bo;
/* write-back address offset to bo start */
uint32_t offset;
/* resulting sequence number */
uint64_t sequence;
};
int amdgpu_fence_driver_init(struct amdgpu_device *adev);
@ -847,6 +845,8 @@ struct amdgpu_ib {
uint32_t gws_base, gws_size;
uint32_t oa_base, oa_size;
uint32_t flags;
/* resulting sequence number */
uint64_t sequence;
};
enum amdgpu_ring_type {

2
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -794,7 +794,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
goto out;
}
cs->out.handle = parser.uf.sequence;
cs->out.handle = parser.ibs[parser.num_ibs - 1].sequence;
out:
amdgpu_cs_parser_fini(&parser, r, true);
up_read(&adev->exclusive_lock);

9
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
View File

@ -88,6 +88,7 @@ int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm,
ib->fence = NULL;
ib->user = NULL;
ib->vm = vm;
ib->ctx = NULL;
ib->gds_base = 0;
ib->gds_size = 0;
ib->gws_base = 0;
@ -214,13 +215,15 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
return r;
}
if (ib->ctx)
ib->sequence = amdgpu_ctx_add_fence(ib->ctx, ring,
&ib->fence->base);
/* wrap the last IB with fence */
if (ib->user) {
uint64_t addr = amdgpu_bo_gpu_offset(ib->user->bo);
ib->user->sequence = amdgpu_ctx_add_fence(ib->ctx, ring,
&ib->fence->base);
addr += ib->user->offset;
amdgpu_ring_emit_fence(ring, addr, ib->user->sequence,
amdgpu_ring_emit_fence(ring, addr, ib->sequence,
AMDGPU_FENCE_FLAG_64BIT);
}