From d1968e1db892e53b5783570a5738477b2a51080b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Wed, 19 Nov 2014 14:01:28 +0100 Subject: [PATCH] drm/radeon: sync PT updates as shared v2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Only invalidating PTEs needs to be executed synchronized to using the PT. v2: fix sync to uses Signed-off-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_vm.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 470451c1de62..0b10f3a03ce2 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -820,7 +820,7 @@ 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, true); if ((addr & ~mask) == (end & ~mask)) nptes = end - addr; @@ -980,6 +980,13 @@ int radeon_vm_bo_update(struct radeon_device *rdev, return r; ib.length_dw = 0; + if (!(bo_va->flags & RADEON_VM_PAGE_VALID)) { + unsigned i; + + for (i = 0; i < RADEON_NUM_RINGS; ++i) + radeon_sync_fence(&ib.sync, vm->ids[i].last_id_use); + } + radeon_vm_update_ptes(rdev, vm, &ib, bo_va->it.start, bo_va->it.last + 1, addr, radeon_vm_page_flags(bo_va->flags)); -- GitLab