drm/amdgpu: Don't reserve vram as WC for A+A

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On A+A platform, vram can be mapped as WB. Not necessarily
to always map vram as WC on such platform.

Calling function arch_io_reserve_memtype_wc will mark the
whole vram region as WC. So don't call it for A+A platform.

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian Konig <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Oak Zeng 2021-01-22 13:00:06 -06:00 • committed by Alex Deucher

parent debd629a63

commit 35d5f224a5

1 changed files with 14 additions and 8 deletions

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

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