drm/amdgpu: use amdgpu_device_vram_access in amdgpu_ttm_vram_read

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This speeds up the access quite a bit from 2.2 MB/s to
2.9 MB/s on 32bit and 12,8 MB/s on 64bit.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Jonathan Kim <Jonathan.Kim@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Christian König 2020-01-24 13:58:18 +01:00 • committed by Alex Deucher

parent c12b84d6e0

commit 030d5b97a5

1 changed files with 11 additions and 16 deletions

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

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