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drm/radeon: fixup issue with radeon and PAT support.

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With new userspace libpciaccess we can get a conflicting mapping
on the PCIE GART table in the video RAM. Always try and map it _wc.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2008-07-15 15:48:05 +10:00
parent 50515af207
commit 242e3df80b
3 changed files with 7 additions and 1 deletions
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5
drivers/gpu/drm/drm_memory.c
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@@ -167,6 +167,11 @@ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev)
}
EXPORT_SYMBOL(drm_core_ioremap);
void drm_core_ioremap_wc(struct drm_map *map, struct drm_device *dev)
{
map->handle = ioremap_wc(map->offset, map->size);
}
EXPORT_SYMBOL(drm_core_ioremap_wc);
void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev)
{
if (!map->handle || !map->size)