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| author | Christian König <christian.koenig@amd.com> | 2016-03-08 14:11:00 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-03-10 10:36:13 -0500 |
| commit | 00b7c4ff7d482d287a591f047e0963d494569b46 (patch) | |
| tree | c5de557ee6252f7eab2cc577ebd41277b46653cf /drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | |
| parent | 32b41ac21fde8f7cea465d74c570fc7bd0089163 (diff) | |
| download | blackbird-obmc-linux-00b7c4ff7d482d287a591f047e0963d494569b46.tar.gz blackbird-obmc-linux-00b7c4ff7d482d287a591f047e0963d494569b46.zip | |
drm/amdgpu: split pipeline sync out of SDMA vm_flush() as well
Code it similar to how we did it for the gfx and compute engines.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index 747ef558033a..ab9ff89a3096 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -880,16 +880,13 @@ static void sdma_v2_4_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib } /** - * sdma_v2_4_ring_emit_vm_flush - cik vm flush using sDMA + * sdma_v2_4_ring_emit_pipeline_sync - sync the pipeline * * @ring: amdgpu_ring pointer - * @vm: amdgpu_vm pointer * - * Update the page table base and flush the VM TLB - * using sDMA (VI). + * Make sure all previous operations are completed (CIK). */ -static void sdma_v2_4_ring_emit_vm_flush(struct amdgpu_ring *ring, - unsigned vm_id, uint64_t pd_addr) +static void sdma_v2_4_ring_emit_pipeline_sync(struct amdgpu_ring *ring) { uint32_t seq = ring->fence_drv.sync_seq; uint64_t addr = ring->fence_drv.gpu_addr; @@ -905,7 +902,20 @@ static void sdma_v2_4_ring_emit_vm_flush(struct amdgpu_ring *ring, amdgpu_ring_write(ring, 0xfffffff); /* mask */ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ +} +/** + * sdma_v2_4_ring_emit_vm_flush - cik vm flush using sDMA + * + * @ring: amdgpu_ring pointer + * @vm: amdgpu_vm pointer + * + * Update the page table base and flush the VM TLB + * using sDMA (VI). + */ +static void sdma_v2_4_ring_emit_vm_flush(struct amdgpu_ring *ring, + unsigned vm_id, uint64_t pd_addr) +{ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); if (vm_id < 8) { @@ -1295,6 +1305,7 @@ static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { .parse_cs = NULL, .emit_ib = sdma_v2_4_ring_emit_ib, .emit_fence = sdma_v2_4_ring_emit_fence, + .emit_pipeline_sync = sdma_v2_4_ring_emit_pipeline_sync, .emit_vm_flush = sdma_v2_4_ring_emit_vm_flush, .emit_hdp_flush = sdma_v2_4_ring_emit_hdp_flush, .emit_hdp_invalidate = sdma_v2_4_ring_emit_hdp_invalidate, |
