drm/amdgpu: support hdp flush for more sdma instances

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The bit RSVD_ENG0 to RSVD_ENG5 in GPU_HDP_FLUSH_REQ/GPU_HDP_FLUSH_DONE
can be leveraged for sdma instance 2~7 to poll register/memory.

Signed-off-by: Le Ma <le.ma@amd.com>
Acked-by: Snow Zhang < Snow.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Le Ma 2018-09-10 19:51:07 +08:00 • committed by Alex Deucher

parent b482a134ad

commit 0fe6a7b49f

3 changed files with 24 additions and 4 deletions

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6

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

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17

drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c

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5

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

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