summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/radeon_agp.c
diff options
context:
space:
mode:
authorJ. Bruce Fields <bfields@citi.umich.edu>2010-03-04 12:03:16 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2010-03-04 12:04:51 -0500
commit4ea41e2de5bba756858bb40f964e3490b6d1a25c (patch)
tree51a688be321dd42f80d8a0c966eb6a60408d50b3 /drivers/gpu/drm/radeon/radeon_agp.c
parent8d75da8afd068fa58b35e69c7c8c46770d9e7a98 (diff)
parent398007f863a4af2b4a5a07219c5a617f1a098115 (diff)
downloadop-kernel-dev-4ea41e2de5bba756858bb40f964e3490b6d1a25c.zip
op-kernel-dev-4ea41e2de5bba756858bb40f964e3490b6d1a25c.tar.gz
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs into for-2.6.34-incoming
Resolve merge conflict in fs/xfs/linux-2.6/xfs_export.c.
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_agp.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_agp.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c
index 220f454..c0681a55 100644
--- a/drivers/gpu/drm/radeon/radeon_agp.c
+++ b/drivers/gpu/drm/radeon/radeon_agp.c
@@ -144,9 +144,19 @@ int radeon_agp_init(struct radeon_device *rdev)
ret = drm_agp_info(rdev->ddev, &info);
if (ret) {
+ drm_agp_release(rdev->ddev);
DRM_ERROR("Unable to get AGP info: %d\n", ret);
return ret;
}
+
+ if (rdev->ddev->agp->agp_info.aper_size < 32) {
+ drm_agp_release(rdev->ddev);
+ dev_warn(rdev->dev, "AGP aperture too small (%zuM) "
+ "need at least 32M, disabling AGP\n",
+ rdev->ddev->agp->agp_info.aper_size);
+ return -EINVAL;
+ }
+
mode.mode = info.mode;
agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode;
is_v3 = !!(agp_status & RADEON_AGPv3_MODE);
@@ -221,6 +231,7 @@ int radeon_agp_init(struct radeon_device *rdev)
ret = drm_agp_enable(rdev->ddev, mode);
if (ret) {
DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode);
+ drm_agp_release(rdev->ddev);
return ret;
}
OpenPOWER on IntegriCloud