drm/amdgpu: allow pinning DMA-bufs into VRAM if all importers can do P2P

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Try pinning into VRAM to allow P2P with RDMA NICs without ODP
support if all attachments can do P2P. If any attachment can't do
P2P just pin into GTT instead.

Acked-by: Simona Vetter <simona.vetter@ffwll.ch>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Felix Kuehling <felix.kuehling@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Tested-by: Pak Nin Lui <pak.lui@amd.com>
Cc: Simona Vetter <simona.vetter@ffwll.ch>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Christian König 2025-01-09 11:57:56 -05:00 • committed by Alex Deucher

parent 1b5447d773

commit f5e7fabd1f

1 changed files with 18 additions and 7 deletions

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

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