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authorChristian König <christian.koenig@amd.com>2024-07-11 14:39:43 +0200
committerAlex Deucher <alexander.deucher@amd.com>2024-09-18 16:15:13 -0400
commit6dcba0975d39b30be65dd038fed69e1aa111c73a (patch)
tree9fb223f3effe6eca716c40d251fb8588406ffe1e /drivers/gpu/drm
parent87d749a6aab73d8069d0345afaa98297816cb220 (diff)
drm/amdgpu: use GEM references instead of TTMs v2
Instead of a TTM reference grab a GEM reference whenever necessary. v2: fix typo in amdgpu_bo_unref pointed out by Vitaly, initialize the GEM funcs for kernel allocations as well. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v1) Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c13
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c8
3 files changed, 10 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 0e617dff8765..1a5df8b94661 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -43,8 +43,6 @@
#include "amdgpu_hmm.h"
#include "amdgpu_xgmi.h"
-static const struct drm_gem_object_funcs amdgpu_gem_object_funcs;
-
static vm_fault_t amdgpu_gem_fault(struct vm_fault *vmf)
{
struct ttm_buffer_object *bo = vmf->vma->vm_private_data;
@@ -87,11 +85,11 @@ static const struct vm_operations_struct amdgpu_gem_vm_ops = {
static void amdgpu_gem_object_free(struct drm_gem_object *gobj)
{
- struct amdgpu_bo *robj = gem_to_amdgpu_bo(gobj);
+ struct amdgpu_bo *aobj = gem_to_amdgpu_bo(gobj);
- if (robj) {
- amdgpu_hmm_unregister(robj);
- amdgpu_bo_unref(&robj);
+ if (aobj) {
+ amdgpu_hmm_unregister(aobj);
+ ttm_bo_put(&aobj->tbo);
}
}
@@ -126,7 +124,6 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
bo = &ubo->bo;
*obj = &bo->tbo.base;
- (*obj)->funcs = &amdgpu_gem_object_funcs;
return 0;
}
@@ -295,7 +292,7 @@ static int amdgpu_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_str
return drm_gem_ttm_mmap(obj, vma);
}
-static const struct drm_gem_object_funcs amdgpu_gem_object_funcs = {
+const struct drm_gem_object_funcs amdgpu_gem_object_funcs = {
.free = amdgpu_gem_object_free,
.open = amdgpu_gem_object_open,
.close = amdgpu_gem_object_close,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
index f30264782ba2..3a8f57900a3a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h
@@ -33,6 +33,8 @@
#define AMDGPU_GEM_DOMAIN_MAX 0x3
#define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, tbo.base)
+extern const struct drm_gem_object_funcs amdgpu_gem_object_funcs;
+
unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
/*
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 5bff4249b357..44819cdba7fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -564,6 +564,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
if (bo == NULL)
return -ENOMEM;
drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size);
+ bo->tbo.base.funcs = &amdgpu_gem_object_funcs;
bo->vm_bo = NULL;
bo->preferred_domains = bp->preferred_domain ? bp->preferred_domain :
bp->domain;
@@ -786,7 +787,7 @@ struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo)
if (bo == NULL)
return NULL;
- ttm_bo_get(&bo->tbo);
+ drm_gem_object_get(&bo->tbo.base);
return bo;
}
@@ -798,13 +799,10 @@ struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo)
*/
void amdgpu_bo_unref(struct amdgpu_bo **bo)
{
- struct ttm_buffer_object *tbo;
-
if ((*bo) == NULL)
return;
- tbo = &((*bo)->tbo);
- ttm_bo_put(tbo);
+ drm_gem_object_put(&(*bo)->tbo.base);
*bo = NULL;
}