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drm/radeon: add the infrastructure for concurrent buffer access

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This allows us to specify if we want to sync to
the shared fences of a reservation object or not.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2014-09-04 20:01:53 +02:00
committed by Alex Deucher
parent ae9c0af2c0
commit 57d20a43c9
18 changed files with 253 additions and 208 deletions
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8
drivers/gpu/drm/radeon/radeon_cs.c
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@@ -255,16 +255,12 @@ static void radeon_cs_sync_rings(struct radeon_cs_parser *p)
for (i = 0; i < p->nrelocs; i++) {
struct reservation_object *resv;
struct fence *fence;
if (!p->relocs[i].robj)
continue;
resv = p->relocs[i].robj->tbo.resv;
fence = reservation_object_get_excl(resv);
radeon_semaphore_sync_to(p->ib.semaphore,
(struct radeon_fence *)fence);
radeon_semaphore_sync_resv(p->ib.semaphore, resv, false);
}
}
@@ -569,7 +565,7 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
goto out;
}
radeon_cs_sync_rings(parser);
radeon_semaphore_sync_to(parser->ib.semaphore, vm->fence);
radeon_semaphore_sync_fence(parser->ib.semaphore, vm->fence);
if ((rdev->family >= CHIP_TAHITI) &&
(parser->chunk_const_ib_idx != -1)) {