drm/amdgpu: pre-map device buffer as cached for A+A config

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For A+A configuration, device memory is supposed to be mapped as
cachable from CPU side. For kernel pre-map gpu device memory using
ioremap_cache

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Christian Koenig <Christian.Koenig@amd.com>
Tested-by: Amber Lin <Amber.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Oak Zeng 2020-11-20 22:18:10 -06:00 • committed by Alex Deucher

parent e5a8321350

commit 9d0af8b4de

1 changed files with 7 additions and 2 deletions

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9

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

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