kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/gpu/drm/rockchip/rockchip_drm_direct_show.c
..
..
@@ -316,3 +316,18 @@
316
316
 
317
317
 	return ret;
318
318
 }
319
+
320
+int rockchip_drm_direct_show_buf_begin_cpu_access(struct rockchip_drm_direct_show_buffer *buffer)
321
+{
322
+	struct drm_gem_object *obj = &buffer->rk_gem_obj->base;
323
+
324
+	return rockchip_gem_prime_begin_cpu_access(obj, DMA_FROM_DEVICE);
325
+}
326
+
327
+int rockchip_drm_direct_show_buf_end_cpu_access(struct rockchip_drm_direct_show_buffer *buffer)
328
+{
329
+	struct drm_gem_object *obj = &buffer->rk_gem_obj->base;
330
+
331
+	return rockchip_gem_prime_end_cpu_access(obj, DMA_TO_DEVICE);
332
+}
333
+