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authorChristian König <christian.koenig@amd.com>2014-02-20 18:47:14 +0100
committerAlex Deucher <alexander.deucher@amd.com>2014-02-27 20:05:28 +0100
commit5e386b574cf7e1593e1296e5b0feea4108ed6ad8 (patch)
treeff9cb94c238b86530896eabae827f022e9ba8e8b
parentdrm/radeon: print the supported atpx function mask (diff)
downloadlinux-5e386b574cf7e1593e1296e5b0feea4108ed6ad8.tar.xz
linux-5e386b574cf7e1593e1296e5b0feea4108ed6ad8.zip
drm/radeon: fix missing bo reservation
Otherwise we might get a crash here. Signed-off-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 114d1672d616..2aecd6dc2610 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -537,6 +537,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
radeon_vm_init(rdev, &fpriv->vm);
+ r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
+ if (r)
+ return r;
+
/* map the ib pool buffer read only into
* virtual address space */
bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
@@ -544,6 +548,8 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
RADEON_VM_PAGE_READABLE |
RADEON_VM_PAGE_SNOOPED);
+
+ radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
if (r) {
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);