UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amdgpu: flush gart changes after all BO recovery 

Don't flush gart changes after recovering each BO instead
do it after recovering all the BOs. Flishing gart also needed
for amdgpu_ttm_alloc_gart().

v4: use containerof to retrieve adev struct.
v3: rename amdgpu_gart_tlb_flush() -> amdgpu_gart_invalidate_tlb().
v2: abstract out gart tlb flushing logic to amdgpu_gart.c

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nirmoy Das 2021-05-28 16:35:27 +02:00 committed by Alex Deucher
parent c7b9aa7a92
commit 19a1d9350b
4 changed files with 21 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
View File

@ -312,8 +312,6 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
int pages, struct page **pagelist, dma_addr_t *dma_addr,
uint64_t flags)
{
int r, i;
if (!adev->gart.ready) {
WARN(1, "trying to bind memory to uninitialized GART !\n");
return -EINVAL;
@ -322,16 +320,26 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
if (!adev->gart.ptr)
return 0;
r = amdgpu_gart_map(adev, offset, pages, dma_addr, flags,
adev->gart.ptr);
if (r)
return r;
return amdgpu_gart_map(adev, offset, pages, dma_addr, flags,
adev->gart.ptr);
}
/**
* amdgpu_gart_invalidate_tlb - invalidate gart TLB
*
* @adev: amdgpu device driver pointer
*
* Invalidate gart TLB which can be use as a way to flush gart changes
*
*/
void amdgpu_gart_invalidate_tlb(struct amdgpu_device *adev)
{
int i;
mb();
amdgpu_asic_flush_hdp(adev, NULL);
for (i = 0; i < adev->num_vmhubs; i++)
amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0);
return 0;
}
/**

2
drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h
View File

@ -66,5 +66,5 @@ int amdgpu_gart_map(struct amdgpu_device *adev, uint64_t offset,
int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
int pages, struct page **pagelist,
dma_addr_t *dma_addr, uint64_t flags);
void amdgpu_gart_invalidate_tlb(struct amdgpu_device *adev);
#endif

4
drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
View File

@ -206,10 +206,12 @@ uint64_t amdgpu_gtt_mgr_usage(struct ttm_resource_manager *man)
int amdgpu_gtt_mgr_recover(struct ttm_resource_manager *man)
{
struct amdgpu_gtt_mgr *mgr = to_gtt_mgr(man);
struct amdgpu_device *adev;
struct amdgpu_gtt_node *node;
struct drm_mm_node *mm_node;
int r = 0;
adev = container_of(mgr, typeof(*adev), mman.gtt_mgr);
spin_lock(&mgr->lock);
drm_mm_for_each_node(mm_node, &mgr->mm) {
node = container_of(mm_node, struct amdgpu_gtt_node, node);
@ -219,6 +221,8 @@ int amdgpu_gtt_mgr_recover(struct ttm_resource_manager *man)
}
spin_unlock(&mgr->lock);
amdgpu_gart_invalidate_tlb(adev);
return r;
}

1
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View File

@ -1012,6 +1012,7 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo)
return r;
}
amdgpu_gart_invalidate_tlb(adev);
ttm_resource_free(bo, &bo->mem);
bo->mem = tmp;
}