drm/amdgpu: optimize amdgpu_device_vram_access a bit.

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Only write the _HI register when necessary.

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 13:12:22 +01:00 • committed by Alex Deucher

parent 42d708db8e

commit ce05ac56e6

1 changed files with 11 additions and 6 deletions

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

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