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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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21
drivers/gpu/drm/radeon/r200.c
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@@ -80,13 +80,14 @@ static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
return vtx_size;
}
int r200_copy_dma(struct radeon_device *rdev,
uint64_t src_offset,
uint64_t dst_offset,
unsigned num_gpu_pages,
struct radeon_fence **fence)
struct radeon_fence *r200_copy_dma(struct radeon_device *rdev,
uint64_t src_offset,
uint64_t dst_offset,
unsigned num_gpu_pages,
struct reservation_object *resv)
{
struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
struct radeon_fence *fence;
uint32_t size;
uint32_t cur_size;
int i, num_loops;
@@ -98,7 +99,7 @@ int r200_copy_dma(struct radeon_device *rdev,
r = radeon_ring_lock(rdev, ring, num_loops * 4 + 64);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
return r;
return ERR_PTR(r);
}
/* Must wait for 2D idle & clean before DMA or hangs might happen */
radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
@@ -118,11 +119,13 @@ int r200_copy_dma(struct radeon_device *rdev,
}
radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
radeon_ring_write(ring, RADEON_WAIT_DMA_GUI_IDLE);
if (fence) {
r = radeon_fence_emit(rdev, fence, RADEON_RING_TYPE_GFX_INDEX);
r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
if (r) {
radeon_ring_unlock_undo(rdev, ring);
return ERR_PTR(r);
}
radeon_ring_unlock_commit(rdev, ring, false);
return r;
return fence;
}