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drm/amdgpu: add optional ring to *_hdp callbacks

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This adds an optional ring to the invalidate_hdp and flush_hdp
callbacks. If the ring isn't specified or the emit_wreg function not
available the HDP operation will be done with the CPU otherwise by
writing on the ring.

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>
This commit is contained in:
Christian König
2018-01-19 14:17:40 +01:00
committed by Alex Deucher
parent 3c9d1fde7f
commit 698825653f
10 changed files with 81 additions and 36 deletions
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21
drivers/gpu/drm/amd/amdgpu/vi.c
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@@ -856,16 +856,25 @@ static uint32_t vi_get_rev_id(struct amdgpu_device *adev)
>> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;
}
static void vi_flush_hdp(struct amdgpu_device *adev)
static void vi_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
{
WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);
if (!ring || !ring->funcs->emit_wreg) {
WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);
} else {
amdgpu_ring_emit_wreg(ring, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
}
}
static void vi_invalidate_hdp(struct amdgpu_device *adev)
static void vi_invalidate_hdp(struct amdgpu_device *adev,
struct amdgpu_ring *ring)
{
WREG32(mmHDP_DEBUG0, 1);
RREG32(mmHDP_DEBUG0);
if (!ring || !ring->funcs->emit_wreg) {
WREG32(mmHDP_DEBUG0, 1);
RREG32(mmHDP_DEBUG0);
} else {
amdgpu_ring_emit_wreg(ring, mmHDP_DEBUG0, 1);
}
}
static const struct amdgpu_asic_funcs vi_asic_funcs =