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drm/radeon: fix ioremap conflict with AGP mappings 

this solves a regression from
http://bugzilla.kernel.org/show_bug.cgi?id=12441

Reported-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-02-07 11:15:41 +10:00
parent ac048e1734
commit 9b8d5a124f
2 changed files with 9 additions and 4 deletions
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7
drivers/gpu/drm/drm_memory.c
View File

@ -171,9 +171,14 @@ 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);
if (drm_core_has_AGP(dev) &&
dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
map->handle = agp_remap(map->offset, map->size, dev);
else
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)

6
drivers/gpu/drm/radeon/radeon_cp.c
View File

@ -1039,9 +1039,9 @@ static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
#if __OS_HAS_AGP
if (dev_priv->flags & RADEON_IS_AGP) {
drm_core_ioremap(dev_priv->cp_ring, dev);
drm_core_ioremap(dev_priv->ring_rptr, dev);
drm_core_ioremap(dev->agp_buffer_map, dev);
drm_core_ioremap_wc(dev_priv->cp_ring, dev);
drm_core_ioremap_wc(dev_priv->ring_rptr, dev);
drm_core_ioremap_wc(dev->agp_buffer_map, dev);
if (!dev_priv->cp_ring->handle ||
!dev_priv->ring_rptr->handle ||
!dev->agp_buffer_map->handle) {