drm/amdgpu: add initial support for sdma v5.0 (v6)

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SDMA (System DMA) is a general purpose DMA engine usable
by UMDs for transfers or the kernel for paging or GPUVM
updates.

v1: support basic funcitonalites includes rb, ib, vm,
    copy buffer and trap irq
v2: convert to use new get_vm_pde in emit_vm_flush
v3: retire amdgpu_ttm_set_active_vram_size from sdma v5
v4: retire the redundant hdp_invalidate implementation
v5: squash in updates
v6: some golden regs moved to vbios

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Hawking Zhang 2019-03-31 22:13:57 +08:00 • committed by Alex Deucher

parent be9250fb96

commit fef6e24c8b

3 changed files with 1732 additions and 1 deletions

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3

drivers/gpu/drm/amd/amdgpu/Makefile

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1685

drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c

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45

drivers/gpu/drm/amd/amdgpu/sdma_v5_0.h

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