From: Joe.Wang <joe.wang@amd.com>
Date: Wed, 17 Sep 2025 06:58:49 +0000 (+0800)
Subject: drm/amdgpu: Fix PRT flag for gfx12
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f05c03ffc786968ec728422728f5226522886d9c;p=users%2Fhch%2Fmisc.git

drm/amdgpu: Fix PRT flag for gfx12

AMDGPU_PTE_PRT_GFX12 flag is missed during pageTable rework, add it back.

Fixes: 6716a823d18d ("drm/amdgpu: rework how PTE flags are generated v3")
Signed-off-by: Joe Wang <joe.wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

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;