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| author | Alex Deucher <alexander.deucher@amd.com> | 2018-06-25 20:24:10 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-06 00:39:52 +0300 |
| commit | 1cf0abb6c983d90ec541ebba79934a9c4786df1d (patch) | |
| tree | 8f4c1b4dcbe6ca895832abde19129536dac9a2ac /drivers/gpu/drm/amd/amdgpu/cik_sdma.c | |
| parent | ed54d954e5c1d8bad453fb86109075b3577152b7 (diff) | |
| download | linux-1cf0abb6c983d90ec541ebba79934a9c4786df1d.tar.xz | |
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/cik_sdma.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index a7576255cc30..dbd553a8d584 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -177,9 +177,8 @@ static uint64_t cik_sdma_ring_get_rptr(struct amdgpu_ring *ring) static uint64_t cik_sdma_ring_get_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; - u32 me = (ring == &adev->sdma.instance[0].ring) ? 0 : 1; - return (RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me]) & 0x3fffc) >> 2; + return (RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me]) & 0x3fffc) >> 2; } /** @@ -192,9 +191,8 @@ static uint64_t cik_sdma_ring_get_wptr(struct amdgpu_ring *ring) static void cik_sdma_ring_set_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; - u32 me = (ring == &adev->sdma.instance[0].ring) ? 0 : 1; - WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me], + WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[ring->me], (lower_32_bits(ring->wptr) << 2) & 0x3fffc); } @@ -248,7 +246,7 @@ static void cik_sdma_ring_emit_hdp_flush(struct amdgpu_ring *ring) SDMA_POLL_REG_MEM_EXTRA_FUNC(3)); /* == */ u32 ref_and_mask; - if (ring == &ring->adev->sdma.instance[0].ring) + if (ring->me == 0) ref_and_mask = GPU_HDP_FLUSH_DONE__SDMA0_MASK; else ref_and_mask = GPU_HDP_FLUSH_DONE__SDMA1_MASK; @@ -1290,8 +1288,10 @@ static void cik_sdma_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 = &cik_sdma_ring_funcs; + adev->sdma.instance[i].ring.me = i; + } } static const struct amdgpu_irq_src_funcs cik_sdma_trap_irq_funcs = { |