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drm/amdgpu: use ring structure to access rptr/wptr v2

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Use ring structure to access the cpu/gpu address of rptr/wptr.

v2: merge gfx10/sdma5/sdma5.2 patches

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao
2020-03-20 10:54:45 +08:00
committed by Alex Deucher
parent d74c5b06e6
commit 3748424ba9
21 changed files with 128 additions and 145 deletions
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4
drivers/gpu/drm/amd/amdgpu/si_dma.c
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@@ -40,7 +40,7 @@ static void si_dma_set_irq_funcs(struct amdgpu_device *adev);
static uint64_t si_dma_ring_get_rptr(struct amdgpu_ring *ring)
{
return ring->adev->wb.wb[ring->rptr_offs>>2];
return *ring->rptr_cpu_addr;
}
static uint64_t si_dma_ring_get_wptr(struct amdgpu_ring *ring)
@@ -153,7 +153,7 @@ static int si_dma_start(struct amdgpu_device *adev)
WREG32(DMA_RB_RPTR + sdma_offsets[i], 0);
WREG32(DMA_RB_WPTR + sdma_offsets[i], 0);
rptr_addr = adev->wb.gpu_addr + (ring->rptr_offs * 4);
rptr_addr = ring->rptr_gpu_addr;
WREG32(DMA_RB_RPTR_ADDR_LO + sdma_offsets[i], lower_32_bits(rptr_addr));
WREG32(DMA_RB_RPTR_ADDR_HI + sdma_offsets[i], upper_32_bits(rptr_addr) & 0xFF);