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authorChristian König <deathsimple@vodafone.de>2012-10-09 13:31:18 +0200
committerAlex Deucher <alexander.deucher@amd.com>2012-10-15 13:21:01 -0400
commitd72d43cfc5847c176edabc72e6431ba691322c98 (patch)
tree5106b3d8c9fde2f8c5670d2ede983364e77ce722 /drivers/gpu/drm/radeon/radeon_kms.c
parent90a51a329258e3c868f6f4c1fb264ca01c590c57 (diff)
downloadblackbird-op-linux-d72d43cfc5847c176edabc72e6431ba691322c98.tar.gz
blackbird-op-linux-d72d43cfc5847c176edabc72e6431ba691322c98.zip
drm/radeon: don't add the IB pool to all VMs v2
We want to use VMs without the IB pool in the future. v2: also remove it from radeon_vm_finish. Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 83b8d8aa71c0..dc781c49b96b 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -419,6 +419,7 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN) {
struct radeon_fpriv *fpriv;
+ struct radeon_bo_va *bo_va;
int r;
fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
@@ -426,7 +427,15 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
return -ENOMEM;
}
- r = radeon_vm_init(rdev, &fpriv->vm);
+ radeon_vm_init(rdev, &fpriv->vm);
+
+ /* map the ib pool buffer read only into
+ * virtual address space */
+ bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
+ rdev->ring_tmp_bo.bo);
+ r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
+ RADEON_VM_PAGE_READABLE |
+ RADEON_VM_PAGE_SNOOPED);
if (r) {
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);
@@ -454,6 +463,17 @@ void radeon_driver_postclose_kms(struct drm_device *dev,
/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN && file_priv->driver_priv) {
struct radeon_fpriv *fpriv = file_priv->driver_priv;
+ struct radeon_bo_va *bo_va;
+ int r;
+
+ r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
+ if (!r) {
+ bo_va = radeon_vm_bo_find(&fpriv->vm,
+ rdev->ring_tmp_bo.bo);
+ if (bo_va)
+ radeon_vm_bo_rmv(rdev, bo_va);
+ radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
+ }
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);
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