diff options
Diffstat (limited to 'drivers/char/drm/radeon_cp.c')
| -rw-r--r-- | drivers/char/drm/radeon_cp.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 5ed96568829..c1850ecac30 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -1560,8 +1560,8 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) if (dev_priv->flags & RADEON_IS_AGP) { base = dev->agp->base; /* Check if valid */ - if ((base + dev_priv->gart_size) > dev_priv->fb_location && - base < (dev_priv->fb_location + dev_priv->fb_size)) { + if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location && + base < (dev_priv->fb_location + dev_priv->fb_size - 1)) { DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n", dev->agp->base); base = 0; @@ -1571,8 +1571,8 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) /* If not or if AGP is at 0 (Macs), try to put it elsewhere */ if (base == 0) { base = dev_priv->fb_location + dev_priv->fb_size; - if (((base + dev_priv->gart_size) & 0xfffffffful) - < base) + if (base < dev_priv->fb_location || + ((base + dev_priv->gart_size) & 0xfffffffful) < base) base = dev_priv->fb_location - dev_priv->gart_size; } |