[AMD Official Use Only - AMD Internal Distribution Only]
see attachment for details. Thanks.
Best regards,
Jun Wang(Joe)
From 7329e6a6e9b918599421b0a35355deb50760c3da Mon Sep 17 00:00:00 2001
From: "Joe.Wang" <joe.w...@amd.com>
Date: Wed, 17 Sep 2025 14:58:49 +0800
Subject: [PATCH] drm/amdgpu: Fix PRT flag for gfx12
AMDGPU_PTE_PRT_GFX12 flag is missed during pageTable rework,
add it back.
Signed-off-by: Joe.Wang <joe.w...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
index 7cc16af1868b..404cc8c2ff2c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
@@ -521,6 +521,7 @@ static void gmc_v12_0_get_vm_pte(struct amdgpu_device *adev,
*flags &= ~AMDGPU_PTE_NOALLOC;
if (vm_flags & AMDGPU_VM_PAGE_PRT) {
+ *flags |= AMDGPU_PTE_PRT_GFX12;
*flags |= AMDGPU_PTE_SNOOPED;
*flags |= AMDGPU_PTE_SYSTEM;
*flags |= AMDGPU_PTE_IS_PTE;
--
2.50.1
