diff options
Diffstat (limited to 'drivers/gpu/drm/panthor/panthor_gem.c')
| -rw-r--r-- | drivers/gpu/drm/panthor/panthor_gem.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/panthor/panthor_gem.c b/drivers/gpu/drm/panthor/panthor_gem.c index 38f560864879..be97d56bc011 100644 --- a/drivers/gpu/drm/panthor/panthor_gem.c +++ b/drivers/gpu/drm/panthor/panthor_gem.c @@ -44,8 +44,7 @@ void panthor_kernel_bo_destroy(struct panthor_kernel_bo *bo) to_panthor_bo(bo->obj)->exclusive_vm_root_gem != panthor_vm_root_gem(vm))) goto out_free_bo; - ret = panthor_vm_unmap_range(vm, bo->va_node.start, - panthor_kernel_bo_size(bo)); + ret = panthor_vm_unmap_range(vm, bo->va_node.start, bo->va_node.size); if (ret) goto out_free_bo; @@ -95,10 +94,16 @@ panthor_kernel_bo_create(struct panthor_device *ptdev, struct panthor_vm *vm, } bo = to_panthor_bo(&obj->base); - size = obj->base.size; kbo->obj = &obj->base; bo->flags = bo_flags; + /* The system and GPU MMU page size might differ, which becomes a + * problem for FW sections that need to be mapped at explicit address + * since our PAGE_SIZE alignment might cover a VA range that's + * expected to be used for another section. + * Make sure we never map more than we need. + */ + size = ALIGN(size, panthor_vm_page_size(vm)); ret = panthor_vm_alloc_va(vm, gpu_va, size, &kbo->va_node); if (ret) goto err_put_obj; |