From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 8 Aug 2019 03:31:50 +0000 (-0500)
Subject: drm/amdgpu: define the TMZ bit for the PTE
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c5efd80f48e481946ba201412c7f39b19b39a40b;p=linux.git

drm/amdgpu: define the TMZ bit for the PTE

Define the TMZ (encryption) bit in the page table entry (PTE) for
Raven and newer asics.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index b13c14d6b8203..fd61466dc226e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -54,6 +54,9 @@ struct amdgpu_bo_list_entry;
 #define AMDGPU_PTE_SYSTEM	(1ULL << 1)
 #define AMDGPU_PTE_SNOOPED	(1ULL << 2)
 
+/* RV+ */
+#define AMDGPU_PTE_TMZ		(1ULL << 3)
+
 /* VI only */
 #define AMDGPU_PTE_EXECUTABLE	(1ULL << 4)