AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-25 06:20:53 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/radeon: do not try to uselessly update virtual memory pagetable

Browse Source 
If a buffer is never bound to a virtual memory pagetable than don't try
to unbind it. Only drawback is that we don't update the pagetable when
unbinding the ib pool buffer which is fine because it only happens at
suspend or module unload/shutdown.

Fixes spurious messages about buffers without VM mappings. E.g.:
radeon 0000:01:00.0: bo ffff88020afac400 don't has a mapping in vm ffff88021ca2b900

Cc: stable@kernel.org
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jerome Glisse 2013-06-06 12:41:17 -04:00 committed by Alex Deucher
parent df63d3ecbc
commit 3813f5ca9a
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -1197,11 +1197,13 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev,
int radeon_vm_bo_rmv(struct radeon_device *rdev,
struct radeon_bo_va *bo_va)
{
int r;
int r = 0;
mutex_lock(&rdev->vm_manager.lock);
mutex_lock(&bo_va->vm->mutex);
r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL);
if (bo_va->soffset) {
r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL);
}
mutex_unlock(&rdev->vm_manager.lock);
list_del(&bo_va->vm_list);
mutex_unlock(&bo_va->vm->mutex);