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Commit d1968e1d authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/radeon: sync PT updates as shared v2 



Only invalidating PTEs needs to be executed synchronized to using the PT.

v2: fix sync to uses

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 43ac8857

drivers/gpu/drm/radeon/radeon_vm.c

+8 −1
Original line number Diff line number Diff line
@@ -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));