From: Christian König <[email protected]> This avoids binding them later on.
Signed-off-by: Christian König <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 16 +++++++++- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 49 ++++++++++++++++++----------- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 1 + 3 files changed, 46 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c index f7d22c4..6fdf83a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c @@ -81,6 +81,20 @@ static int amdgpu_gtt_mgr_fini(struct ttm_mem_type_manager *man) } /** + * amdgpu_gtt_mgr_is_allocated - Check if mem has address space + * + * @mem: the mem object to check + * + * Check if a mem object has already address space allocated. + */ +bool amdgpu_gtt_mgr_is_alloced(struct ttm_mem_reg *mem) +{ + struct drm_mm_node *node = mem->mm_node; + + return (node->start != AMDGPU_BO_INVALID_OFFSET); +} + +/** * amdgpu_gtt_mgr_alloc - allocate new ranges * * @man: TTM memory type manager @@ -101,7 +115,7 @@ int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man, unsigned long fpfn, lpfn; int r; - if (node->start != AMDGPU_BO_INVALID_OFFSET) + if (amdgpu_gtt_mgr_is_alloced(mem)) return 0; if (place) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 5bfe7f6..eb0d7d7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -681,6 +681,31 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) sg_free_table(ttm->sg); } +static int amdgpu_ttm_do_bind(struct ttm_tt *ttm, struct ttm_mem_reg *mem) +{ + struct amdgpu_ttm_tt *gtt = (void *)ttm; + uint64_t flags; + int r; + + spin_lock(>t->adev->gtt_list_lock); + flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, mem); + gtt->offset = (u64)mem->start << PAGE_SHIFT; + r = amdgpu_gart_bind(gtt->adev, gtt->offset, ttm->num_pages, + ttm->pages, gtt->ttm.dma_address, flags); + + if (r) { + DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", + ttm->num_pages, gtt->offset); + goto error_gart_bind; + } + + list_add_tail(>t->list, >t->adev->gtt_list); +error_gart_bind: + spin_unlock(>t->adev->gtt_list_lock); + return r; + +} + static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) { @@ -704,7 +729,10 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, bo_mem->mem_type == AMDGPU_PL_OA) return -EINVAL; - return 0; + if (amdgpu_gtt_mgr_is_alloced(bo_mem)) + r = amdgpu_ttm_do_bind(ttm, bo_mem); + + return r; } bool amdgpu_ttm_is_bound(struct ttm_tt *ttm) @@ -717,8 +745,6 @@ bool amdgpu_ttm_is_bound(struct ttm_tt *ttm) int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem) { struct ttm_tt *ttm = bo->ttm; - struct amdgpu_ttm_tt *gtt = (void *)bo->ttm; - uint64_t flags; int r; if (!ttm || amdgpu_ttm_is_bound(ttm)) @@ -731,22 +757,7 @@ int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem) return r; } - spin_lock(>t->adev->gtt_list_lock); - flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem); - gtt->offset = (u64)bo_mem->start << PAGE_SHIFT; - r = amdgpu_gart_bind(gtt->adev, gtt->offset, ttm->num_pages, - ttm->pages, gtt->ttm.dma_address, flags); - - if (r) { - DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", - ttm->num_pages, gtt->offset); - goto error_gart_bind; - } - - list_add_tail(>t->list, >t->adev->gtt_list); -error_gart_bind: - spin_unlock(>t->adev->gtt_list_lock); - return r; + return amdgpu_ttm_do_bind(ttm, bo_mem); } int amdgpu_ttm_recover_gart(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index cd5bbfa..2ade5c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -56,6 +56,7 @@ struct amdgpu_mman { extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func; extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func; +bool amdgpu_gtt_mgr_is_alloced(struct ttm_mem_reg *mem); int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man, struct ttm_buffer_object *tbo, const struct ttm_place *place, -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
