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| author | Christian König <christian.koenig@amd.com> | 2018-01-12 16:34:03 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:18:04 -0500 |
| commit | 4ca54b358bb4215cdcd727ea6e8a6c21dcbfe166 (patch) | |
| tree | 869500089a409982f2260b86921502cd786cc777 /drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | |
| parent | 3d31d4cb2cc4aba99d485ee052dffdf934a1bfca (diff) | |
| download | op-kernel-dev-4ca54b358bb4215cdcd727ea6e8a6c21dcbfe166.zip op-kernel-dev-4ca54b358bb4215cdcd727ea6e8a6c21dcbfe166.tar.gz | |
drm/amdgpu: wire up emit_wreg for SDMA v4
Needed for vm_flush unification.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index f0b10cb..282b402 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1172,6 +1172,15 @@ static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring, SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); } +static void sdma_v4_0_ring_emit_wreg(struct amdgpu_ring *ring, + uint32_t reg, uint32_t val) +{ + amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | + SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); + amdgpu_ring_write(ring, reg); + amdgpu_ring_write(ring, val); +} + static int sdma_v4_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -1608,6 +1617,7 @@ static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = { .test_ib = sdma_v4_0_ring_test_ib, .insert_nop = sdma_v4_0_ring_insert_nop, .pad_ib = sdma_v4_0_ring_pad_ib, + .emit_wreg = sdma_v4_0_ring_emit_wreg, }; static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev) |
