Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5b2906ec authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/radeon: initially clear page tables 



Clear page tables after allocating them in case
we don't completely fill them later.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 24c16439

drivers/gpu/drm/radeon/radeon_gart.c

+10 −0
Original line number Diff line number Diff line
@@ -995,6 +995,10 @@ retry: 
				radeon_asic_vm_set_page(rdev, ib, last_pde,

							last_pt, count, incr,

							R600_PTE_VALID);



				count *= RADEON_VM_PTE_COUNT;

				radeon_asic_vm_set_page(rdev, ib, last_pt, 0,

							count, 0, 0);

			}



			count = 1;
@@ -1009,6 +1013,9 @@ retry: 
		radeon_asic_vm_set_page(rdev, ib, last_pde, last_pt, count,

					incr, R600_PTE_VALID);



		count *= RADEON_VM_PTE_COUNT;

		radeon_asic_vm_set_page(rdev, ib, last_pt, 0,

					count, 0, 0);

	}



	return 0;
@@ -1170,6 +1177,9 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev, 
	/* reserve space for pde addresses */

	ndw += npdes * 2;



	/* reserve space for clearing new page tables */

	ndw += npdes * 2 * RADEON_VM_PTE_COUNT;



	/* update too big for an IB */

	if (ndw > 0xfffff)

		return -ENOMEM;