From 0410c5e51443ef8ca9ef6db647b07f2f9a46c09a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Mon, 20 Nov 2017 14:29:01 +0100 Subject: [PATCH] drm/amdgpu: fix amdgpu_vm_num_entries MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The block size only affects the leave nodes, everything else is fixed. Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index f1e541e..7719950 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -166,17 +166,17 @@ static unsigned amdgpu_vm_level_shift(struct amdgpu_device *adev, static unsigned amdgpu_vm_num_entries(struct amdgpu_device *adev, unsigned level) { + unsigned shift = amdgpu_vm_level_shift(adev, 0); + if (level == 0) /* For the root directory */ - return adev->vm_manager.max_pfn >> - (adev->vm_manager.block_size * - adev->vm_manager.num_level); - else if (level == adev->vm_manager.num_level) + return round_up(adev->vm_manager.max_pfn, 1 << shift) >> shift; + else if (level != adev->vm_manager.num_level) + /* Everything in between */ + return 512; + else /* For the page tables on the leaves */ return AMDGPU_VM_PTE_COUNT(adev); - else - /* Everything in between */ - return 1 << adev->vm_manager.block_size; } /** -- 2.7.4