[PATCH] drm/amdgpu: Revert "Fix IB allocation sizes for page table updates"

Christian König deathsimple at vodafone.de
Thu Aug 31 07:45:48 UTC 2017


From: Christian König <christian.koenig at amd.com>

The IB allocation sizes where correct.

This reverts commit d1551e7c7211fa135c4d79f09e237f5f9779e421.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 473273d..b08f031 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1037,7 +1037,7 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
 		ndw = 64;
 
 		/* assume the worst case */
-		ndw += parent->last_entry_used * 10;
+		ndw += parent->last_entry_used * 6;
 
 		pd_addr = amdgpu_bo_gpu_offset(parent->base.bo);
 
@@ -1542,7 +1542,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
 	ndw = 64;
 
 	/* one PDE write for each huge page */
-	ndw += ((nptes >> adev->vm_manager.block_size) + 1) * 10;
+	ndw += ((nptes >> adev->vm_manager.block_size) + 1) * 6;
 
 	if (pages_addr) {
 		/* copy commands needed */
-- 
2.7.4



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