diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2018-06-25 12:24:10 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-05 16:39:52 -0500 |
| commit | 1cf0abb6c983d90ec541ebba79934a9c4786df1d (patch) | |
| tree | 8f4c1b4dcbe6ca895832abde19129536dac9a2ac /drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | |
| parent | ed54d954e5c1d8bad453fb86109075b3577152b7 (diff) | |
drm/amdgpu/sdma: simplify sdma instance setup
Set the me instance in early init and use that rather than
calculating the instance based on the ring pointer.
Reviewed-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@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_v3_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index aa9ab299fd32..99616dd9594f 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -365,9 +365,7 @@ static uint64_t sdma_v3_0_ring_get_wptr(struct amdgpu_ring *ring) /* XXX check if swapping is necessary on BE */ wptr = ring->adev->wb.wb[ring->wptr_offs] >> 2; } else { - int me = (ring == &ring->adev->sdma.instance[0].ring) ? 0 : 1; - - wptr = RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me]) >> 2; + wptr = RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me]) >> 2; } return wptr; @@ -394,9 +392,7 @@ static void sdma_v3_0_ring_set_wptr(struct amdgpu_ring *ring) WRITE_ONCE(*wb, (lower_32_bits(ring->wptr) << 2)); } else { - int me = (ring == &ring->adev->sdma.instance[0].ring) ? 0 : 1; - - WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me], lower_32_bits(ring->wptr) << 2); + WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me], lower_32_bits(ring->wptr) << 2); } } @@ -450,7 +446,7 @@ static void sdma_v3_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) { u32 ref_and_mask = 0; - if (ring == &ring->adev->sdma.instance[0].ring) + if (ring->me == 0) ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA0, 1); else ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA1, 1); @@ -1655,8 +1651,10 @@ static void sdma_v3_0_set_ring_funcs(struct amdgpu_device *adev) { int i; - for (i = 0; i < adev->sdma.num_instances; i++) + for (i = 0; i < adev->sdma.num_instances; i++) { adev->sdma.instance[i].ring.funcs = &sdma_v3_0_ring_funcs; + adev->sdma.instance[i].ring.me = i; + } } static const struct amdgpu_irq_src_funcs sdma_v3_0_trap_irq_funcs = { |