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| author | Christian König <christian.koenig@amd.com> | 2018-01-12 18:33:34 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 22:18:03 +0300 |
| commit | a355d0f5e643d5c1c8b1ff9a742fc7f8b844f4f5 (patch) | |
| tree | 326455cbf5f34d5879e447b491ef55dca74ed150 | |
| parent | a37e69db4f566f5432d098a878a35b8eab0f4d4a (diff) | |
| download | linux-a355d0f5e643d5c1c8b1ff9a742fc7f8b844f4f5.tar.xz | |
drm/amdgpu: wire up emit_wreg for SDMA v2.4
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>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 10 |
1 files changed, 10 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 c4de1c18bf77..0fb4b4409ef1 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -889,6 +889,15 @@ static void sdma_v2_4_ring_emit_vm_flush(struct amdgpu_ring *ring, SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ } +static void sdma_v2_4_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_v2_4_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -1219,6 +1228,7 @@ static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { .test_ib = sdma_v2_4_ring_test_ib, .insert_nop = sdma_v2_4_ring_insert_nop, .pad_ib = sdma_v2_4_ring_pad_ib, + .emit_wreg = sdma_v2_4_ring_emit_wreg, }; static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev) |