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authorDave Airlie <airlied@redhat.com>2014-08-26 01:05:14 +0200
committerDave Airlie <airlied@redhat.com>2014-08-26 01:05:14 +0200
commit484048db6b4890bc433aac7f5e32fdcf1b2b4786 (patch)
treec6be2f9cbe71d6732975c987e1c814c0298b0b65 /drivers/gpu/drm/radeon/radeon_vm.c
parentMerge tag 'drm-intel-next-2014-08-08' of git://anongit.freedesktop.org/drm-in... (diff)
parentdrm/radeon: allow userptr write access under certain conditions (diff)
downloadlinux-484048db6b4890bc433aac7f5e32fdcf1b2b4786.tar.xz
linux-484048db6b4890bc433aac7f5e32fdcf1b2b4786.zip
Merge branch 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux into drm-next
radeon userptr support. * 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: allow userptr write access under certain conditions drm/radeon: add userptr flag to register MMU notifier v3 drm/radeon: add userptr flag to directly validate the BO to GTT drm/radeon: add userptr flag to limit it to anonymous memory v2 drm/radeon: add userptr support v8 Conflicts: drivers/gpu/drm/radeon/radeon_prime.c
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_vm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_vm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index 088ffdc2f577..4751c6728fe9 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -892,6 +892,9 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
bo_va->flags &= ~RADEON_VM_PAGE_VALID;
bo_va->flags &= ~RADEON_VM_PAGE_SYSTEM;
bo_va->flags &= ~RADEON_VM_PAGE_SNOOPED;
+ if (bo_va->bo && radeon_ttm_tt_is_readonly(bo_va->bo->tbo.ttm))
+ bo_va->flags &= ~RADEON_VM_PAGE_WRITEABLE;
+
if (mem) {
addr = mem->start << PAGE_SHIFT;
if (mem->mem_type != TTM_PL_SYSTEM) {