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authorDave Airlie <airlied@linux.ie>2005-03-27 06:58:12 +0000
committerDave Airlie <airlied@linux.ie>2005-03-27 06:58:12 +0000
commit385f927692beb395ae3866538b2b0f8f8e436eba (patch)
treef3f70015b03d2af85804adb781c637838a38a49e /shared/sis_ds.h
parent459ef4862978800f3dbff76af134593350cad6aa (diff)
Some ia64 platforms may not support write combining on all type of memory,
so we need to consult the EFI memory map before we try to set the write combine attribute of a page. This patch will try to map a page write combined if it's not an AGP page and the EFI memory map says it's ok, otherwise it falls back to a regular, uncached mapping. Can someone please apply this to the drm tree? From: Jesse Barnes
Diffstat (limited to 'shared/sis_ds.h')
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