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From 6ee18319c53af25f32dfd856df267e252ce668d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 28 Mar 2019 13:53:38 +0100
Subject: [PATCH 1715/2940] drm/amdgpu: fix ATC handling for Ryzen
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Otherwise we don't correctly use translate further.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Chaudhary Amit Kumar <Chaudharyamit.Kumar@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 9f5e3bf9c908..c50ecc5175c3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -745,13 +745,17 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
addr = 0;
if (ats_entries) {
- uint64_t ats_value;
- ats_value = AMDGPU_PTE_DEFAULT_ATC;
- if (level != AMDGPU_VM_PTB)
- ats_value |= AMDGPU_PDE_PTE;
+ uint64_t value =0, flags;
+
+ flags = AMDGPU_PTE_DEFAULT_ATC;
+ if (level != AMDGPU_VM_PTB) {
+ /* Handle leaf PDEs as PTEs */
+ flags |= AMDGPU_PDE_PTE;
+ amdgpu_gmc_get_vm_pde(adev, level, &value, &flags);
+ }
r = vm->update_funcs->update(¶ms, bo, addr, 0, ats_entries,
- 0, ats_value);
+ value, flags);
if (r)
return r;
addr += ats_entries * 8;
--
2.17.1
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