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From 19bc39f6b81e9d814eabdfeb8bb580cdbf90e228 Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Fri, 12 Apr 2019 18:17:24 -0500
Subject: [PATCH 2178/2940] drm/amdgpu: correct pte mtype field for navi
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The MTYPE filed moves from bits 58:57 to 50:48 for NV10
And the size of MTYPE field is now 3bits
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 9 +++++++--
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 6 +++++-
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 33d1de502eba..79d20453ff99 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1540,8 +1540,13 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
flags &= ~AMDGPU_PTE_EXECUTABLE;
flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
- flags &= ~AMDGPU_PTE_MTYPE_MASK;
- flags |= (mapping->flags & AMDGPU_PTE_MTYPE_MASK);
+ if (adev->asic_type == CHIP_NAVI10) {
+ flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK;
+ flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK);
+ } else {
+ flags &= ~AMDGPU_PTE_MTYPE_MASK;
+ flags |= (mapping->flags & AMDGPU_PTE_MTYPE_MASK);
+ }
if ((mapping->flags & AMDGPU_PTE_PRT) &&
(adev->asic_type >= CHIP_VEGA10)) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 5d814f2b7606..f2dedc6860c9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -75,7 +75,7 @@ struct amdgpu_bo_list_entry;
/* For GFX9 */
-#define AMDGPU_PTE_MTYPE(a) ((uint64_t)a << 57)
+#define AMDGPU_PTE_MTYPE(a) ((uint64_t)(a) << 57)
#define AMDGPU_PTE_MTYPE_MASK AMDGPU_PTE_MTYPE(3ULL)
#define AMDGPU_MTYPE_NC 0
@@ -88,6 +88,10 @@ struct amdgpu_bo_list_entry;
| AMDGPU_PTE_WRITEABLE \
| AMDGPU_PTE_MTYPE(AMDGPU_MTYPE_CC))
+/* NAVI10 only */
+#define AMDGPU_PTE_MTYPE_NV10(a) ((uint64_t)(a) << 48)
+#define AMDGPU_PTE_MTYPE_NV10_MASK AMDGPU_PTE_MTYPE_NV10(7ULL)
+
/* How to programm VM fault handling */
#define AMDGPU_VM_FAULT_STOP_NEVER 0
#define AMDGPU_VM_FAULT_STOP_FIRST 1
--
2.17.1
|