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Commit 1490434f authored by Michel Dänzer's avatar Michel Dänzer Committed by Alex Deucher
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drm/radeon: Use write-combined CPU mappings of ring buffers with PCIe 



PCI GART doesn't support unsnooped access. AGP GART already uses
write-combined CPU mappings.

Signed-off-by: default avatarMichel Dänzer <michel.daenzer@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5dc35532
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