From 242e3df80b8d25ed681c278512df0993725f25dd Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 15 Jul 2008 15:48:05 +1000 Subject: 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 --- drivers/gpu/drm/drm_memory.c | 5 +++++ drivers/gpu/drm/radeon/radeon_cp.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/gpu') 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; -- cgit v1.2.3