From: Christian König christian.koenig@amd.com
Only invalidating PTEs needs to be executed synchronized to using the PT.
Signed-off-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/radeon/radeon_vm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 05e6cde..5224b10 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -820,7 +820,8 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev, unsigned nptes; uint64_t pte;
- radeon_sync_resv(rdev, &ib->sync, pt->tbo.resv, false); + radeon_sync_resv(rdev, &ib->sync, pt->tbo.resv, + !!(flags & R600_PTE_VALID));
if ((addr & ~mask) == (end & ~mask)) nptes = end - addr;