From ecf96b52bf98a22f14bd33c7deee0aad8eb6b569 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 21 Mar 2019 16:34:18 +0100
Subject: [PATCH] drm/amdgpu: move VM table mapping into the backend as well
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Clean that up further and also fix another case where the BO
wasn't kmapped for CPU based updates.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 31 ++++-----------------
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c | 11 ++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 20 +++++++++++++
4 files changed, 37 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index a5c6a1e5fe745..3ada094852c52 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -659,17 +659,7 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
if (bo->tbo.type != ttm_bo_type_kernel) {
amdgpu_vm_bo_moved(bo_base);
} else {
- if (vm->use_cpu_for_update)
- r = amdgpu_bo_kmap(bo, NULL);
- else
- r = amdgpu_ttm_alloc_gart(&bo->tbo);
- if (r)
- break;
- if (bo->shadow) {
- r = amdgpu_ttm_alloc_gart(&bo->shadow->tbo);
- if (r)
- break;
- }
+ vm->update_funcs->map_table(bo);
amdgpu_vm_bo_relocated(bo_base);
}
}
@@ -751,22 +741,17 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
if (r)
return r;
- r = amdgpu_ttm_alloc_gart(&bo->tbo);
- if (r)
- return r;
-
if (bo->shadow) {
r = ttm_bo_validate(&bo->shadow->tbo, &bo->shadow->placement,
&ctx);
if (r)
return r;
-
- r = amdgpu_ttm_alloc_gart(&bo->shadow->tbo);
- if (r)
- return r;
-
}
+ r = vm->update_funcs->map_table(bo);
+ if (r)
+ return r;
+
memset(¶ms, 0, sizeof(params));
params.adev = adev;
params.vm = vm;
@@ -877,12 +862,6 @@ static int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
if (r)
return r;
- if (vm->use_cpu_for_update) {
- r = amdgpu_bo_kmap(pt, NULL);
- if (r)
- goto error_free_pt;
- }
-
/* Keep a reference to the root directory to avoid
* freeing them up in the wrong order.
*/
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index f586b38f30760..9dbdf00cd74b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -215,7 +215,7 @@ struct amdgpu_vm_update_params {
};
struct amdgpu_vm_update_funcs {
-
+ int (*map_table)(struct amdgpu_bo *bo);
int (*prepare)(struct amdgpu_vm_update_params *p, void * owner,
struct dma_fence *exclusive);
int (*update)(struct amdgpu_vm_update_params *p,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
index 9d53982021de4..5222d165abfcf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
@@ -24,6 +24,16 @@
#include "amdgpu_object.h"
#include "amdgpu_trace.h"
+/**
+ * amdgpu_vm_cpu_map_table - make sure new PDs/PTs are kmapped
+ *
+ * @table: newly allocated or validated PD/PT
+ */
+static int amdgpu_vm_cpu_map_table(struct amdgpu_bo *table)
+{
+ return amdgpu_bo_kmap(table, NULL);
+}
+
/**
* amdgpu_vm_cpu_prepare - prepare page table update with the CPU
*
@@ -110,6 +120,7 @@ static int amdgpu_vm_cpu_commit(struct amdgpu_vm_update_params *p,
}
const struct amdgpu_vm_update_funcs amdgpu_vm_cpu_funcs = {
+ .map_table = amdgpu_vm_cpu_map_table,
.prepare = amdgpu_vm_cpu_prepare,
.update = amdgpu_vm_cpu_update,
.commit = amdgpu_vm_cpu_commit
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
index e4bacdb44c68b..4bccd69fe30dc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
@@ -28,6 +28,25 @@
#define AMDGPU_VM_SDMA_MIN_NUM_DW 256u
#define AMDGPU_VM_SDMA_MAX_NUM_DW (16u * 1024u)
+/**
+ * amdgpu_vm_sdma_map_table - make sure new PDs/PTs are GTT mapped
+ *
+ * @table: newly allocated or validated PD/PT
+ */
+static int amdgpu_vm_sdma_map_table(struct amdgpu_bo *table)
+{
+ int r;
+
+ r = amdgpu_ttm_alloc_gart(&table->tbo);
+ if (r)
+ return r;
+
+ if (table->shadow)
+ r = amdgpu_ttm_alloc_gart(&table->shadow->tbo);
+
+ return r;
+}
+
/**
* amdgpu_vm_sdma_prepare - prepare SDMA command submission
*
@@ -242,6 +261,7 @@ static int amdgpu_vm_sdma_update(struct amdgpu_vm_update_params *p,
}
const struct amdgpu_vm_update_funcs amdgpu_vm_sdma_funcs = {
+ .map_table = amdgpu_vm_sdma_map_table,
.prepare = amdgpu_vm_sdma_prepare,
.update = amdgpu_vm_sdma_update,
.commit = amdgpu_vm_sdma_commit
--
2.30.2