From f85dc3c5abddaa6ef3674755f28cf49774d27ea5 Mon Sep 17 00:00:00 2001 From: Matthew Brost Date: Tue, 26 Nov 2024 09:46:08 -0800 Subject: [PATCH] drm/xe: Add xe_bo_vm_access MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add xe_bo_vm_access which is wrapper around ttm_bo_vm_access which takes rpm refs for device access. Suggested-by: Thomas Hellström Signed-off-by: Matthew Brost Reviewed-by: Matthew Auld Link: https://patchwork.freedesktop.org/patch/msgid/20241126174615.2665852-2-matthew.brost@intel.com --- drivers/gpu/drm/xe/xe_bo.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index ec070af126628..aaf54131c89e4 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -1249,11 +1249,26 @@ out: return ret; } +static int xe_bo_vm_access(struct vm_area_struct *vma, unsigned long addr, + void *buf, int len, int write) +{ + struct ttm_buffer_object *ttm_bo = vma->vm_private_data; + struct xe_bo *bo = ttm_to_xe_bo(ttm_bo); + struct xe_device *xe = xe_bo_device(bo); + int ret; + + xe_pm_runtime_get(xe); + ret = ttm_bo_vm_access(vma, addr, buf, len, write); + xe_pm_runtime_put(xe); + + return ret; +} + static const struct vm_operations_struct xe_gem_vm_ops = { .fault = xe_gem_fault, .open = ttm_bo_vm_open, .close = ttm_bo_vm_close, - .access = ttm_bo_vm_access + .access = xe_bo_vm_access, }; static const struct drm_gem_object_funcs xe_gem_object_funcs = { -- 2.47.2