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From 177fe475324cfde517f5ceb883da7b879fbe817b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 28 Mar 2019 13:51:23 +0100
Subject: [PATCH 1716/2940] drm/amdgpu: handle leaf PDEs as PTEs on Vega
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This way we get retry faults for missing PDs.
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 | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index c50ecc5175c3..a68d17cbf714 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -762,14 +762,22 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
}
if (entries) {
- uint64_t value = 0;
+ uint64_t value = 0, flags = 0;
+
+ if (adev->asic_type >= CHIP_VEGA10) {
+ if (level != AMDGPU_VM_PTB) {
+ /* Handle leaf PDEs as PTEs */
+ flags |= AMDGPU_PDE_PTE;
+ amdgpu_gmc_get_vm_pde(adev, level,
+ &value, &flags);
+ } else {
+ /* Workaround for fault priority problem on GMC9 */
+ flags = AMDGPU_PTE_EXECUTABLE;
+ }
+ }
- /* Workaround for fault priority problem on GMC9 */
- if (level == AMDGPU_VM_PTB &&
- adev->asic_type >= CHIP_VEGA10)
- value = AMDGPU_PTE_EXECUTABLE;
r = vm->update_funcs->update(¶ms, bo, addr, 0, entries,
- 0, value);
+ value, flags);
if (r)
return r;
}
--
2.17.1
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