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| author | Chunming Zhou <David1.Zhou@amd.com> | 2016-03-03 12:06:34 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-03-08 11:01:43 -0500 |
| commit | 6ad550c35d8c5327a548bc59bba406ef2db51f1b (patch) | |
| tree | 8bf50a760f3dc57206c087612899e209a38719db /drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | |
| parent | 498dd97ddbc47fdb8a5e3bf4df8a77893b8b07a2 (diff) | |
| download | lwn-6ad550c35d8c5327a548bc59bba406ef2db51f1b.tar.gz lwn-6ad550c35d8c5327a548bc59bba406ef2db51f1b.zip | |
drm/amdgpu: add hdp invalidation for sdma v2_4
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index 0e246ff6734c..134d5d0bb77f 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -300,6 +300,13 @@ static void sdma_v2_4_ring_emit_hdp_flush(struct amdgpu_ring *ring) SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ } +static void sdma_v2_4_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) +{ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | + SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); + amdgpu_ring_write(ring, mmHDP_DEBUG0); + amdgpu_ring_write(ring, 1); +} /** * sdma_v2_4_ring_emit_fence - emit a fence on the DMA ring * @@ -1291,6 +1298,7 @@ static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { .emit_fence = sdma_v2_4_ring_emit_fence, .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, .test_ring = sdma_v2_4_ring_test_ring, .test_ib = sdma_v2_4_ring_test_ib, .insert_nop = sdma_v2_4_ring_insert_nop, |