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authorDave Airlie <airlied@linux.ie>2008-07-15 15:48:05 +1000
committerDave Airlie <airlied@linux.ie>2008-07-15 15:48:05 +1000
commit242e3df80b8d25ed681c278512df0993725f25dd (patch)
tree28dcd053d5c5203d8a952f0c1b5f354c3c7d06f7 /drivers/gpu
parent50515af207d410c9f228380e529c56f43c3de0bd (diff)
drm/radeon: fixup issue with radeon and PAT support.
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/drm_memory.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_cp.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_memory.c b/drivers/gpu/drm/drm_memory.c
index 845081b44f6..0177012845c 100644
--- a/drivers/gpu/drm/drm_memory.c
+++ b/drivers/gpu/drm/drm_memory.c
@@ -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)
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index e53158f0ecb..f0de81a5689 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -1154,7 +1154,7 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
dev_priv->gart_info.mapping.size =
dev_priv->gart_info.table_size;
- drm_core_ioremap(&dev_priv->gart_info.mapping, dev);
+ drm_core_ioremap_wc(&dev_priv->gart_info.mapping, dev);
dev_priv->gart_info.addr =
dev_priv->gart_info.mapping.handle;