diff options
| author | Christian König <christian.koenig@amd.com> | 2013-11-12 15:58:05 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-11-16 00:56:09 +0400 |
| commit | 1654b817d8f5f1c27ebc98773fe0e517b0ba2f1e (patch) | |
| tree | b12139b37c3d712973baabfd5f8142728e36ef2a /drivers/gpu/drm/radeon/r600_dma.c | |
| parent | bd80c8ba995c1dbdddee14acc55c541c499e0442 (diff) | |
| download | linux-1654b817d8f5f1c27ebc98773fe0e517b0ba2f1e.tar.xz | |
drm/radeon: allow semaphore emission to fail
To workaround bugs and/or certain limits it's sometimes
useful to fall back to waiting on fences.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_dma.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_dma.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/r600_dma.c b/drivers/gpu/drm/radeon/r600_dma.c index 3b317456512a..7844d15c139f 100644 --- a/drivers/gpu/drm/radeon/r600_dma.c +++ b/drivers/gpu/drm/radeon/r600_dma.c @@ -311,7 +311,7 @@ void r600_dma_fence_ring_emit(struct radeon_device *rdev, * Add a DMA semaphore packet to the ring wait on or signal * other rings (r6xx-SI). */ -void r600_dma_semaphore_ring_emit(struct radeon_device *rdev, +bool r600_dma_semaphore_ring_emit(struct radeon_device *rdev, struct radeon_ring *ring, struct radeon_semaphore *semaphore, bool emit_wait) @@ -322,6 +322,8 @@ void r600_dma_semaphore_ring_emit(struct radeon_device *rdev, radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SEMAPHORE, 0, s, 0)); radeon_ring_write(ring, addr & 0xfffffffc); radeon_ring_write(ring, upper_32_bits(addr) & 0xff); + + return true; } /** @@ -462,13 +464,8 @@ int r600_copy_dma(struct radeon_device *rdev, return r; } - if (radeon_fence_need_sync(*fence, ring->idx)) { - radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring, - ring->idx); - radeon_fence_note_sync(*fence, ring->idx); - } else { - radeon_semaphore_free(rdev, &sem, NULL); - } + radeon_semaphore_sync_to(sem, *fence); + radeon_semaphore_sync_rings(rdev, sem, ring->idx); for (i = 0; i < num_loops; i++) { cur_size_in_dw = size_in_dw; |