diff options
author | Nirmoy Das <nirmoy.das@amd.com> | 2021-05-28 17:35:27 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-02 05:55:38 +0300 |
commit | 19a1d9350be632ac2d82573c4497318179c22af5 (patch) | |
tree | 0b736ba3c868b0eae99325a03d62493d541b288e /drivers/gpu | |
parent | c7b9aa7a9220538d1a99c1c6f8d00b9b5e51b0f2 (diff) | |
download | linux-19a1d9350be632ac2d82573c4497318179c22af5.tar.xz |
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 22 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 1 |
4 files changed, 21 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c index 5562b5c90c03..35cc8009ac7a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c @@ -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; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h index a25fe97b0196..e104022197ae 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.h @@ -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 diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c index c026972ca9a1..327da885eca9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c @@ -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; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index a06c8a9ae066..86259435803e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -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; } |