From 917f4253369515b54dcde14b5d3d25a08d474232 Mon Sep 17 00:00:00 2001 From: Stefan Agner Date: Thu, 11 Feb 2016 17:30:14 -0800 Subject: drm/fb_cma_helper: add suspend helper Implement a suspend/resume helper for CMA users which calls drm_fb_helper_set_suspend. Suggested-by: Thierry Reding Acked-by: Daniel Vetter Signed-off-by: Stefan Agner --- drivers/gpu/drm/drm_fb_cma_helper.c | 15 +++++++++++++++ include/drm/drm_fb_cma_helper.h | 1 + 2 files changed, 16 insertions(+) diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index 5075fae3c4e2..1c74039d312b 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -582,3 +582,18 @@ void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma) drm_fb_helper_hotplug_event(&fbdev_cma->fb_helper); } EXPORT_SYMBOL_GPL(drm_fbdev_cma_hotplug_event); + +/** + * drm_fbdev_cma_set_suspend - wrapper around drm_fb_helper_set_suspend + * @fbdev_cma: The drm_fbdev_cma struct, may be NULL + * @state: desired state, zero to resume, non-zero to suspend + * + * Calls drm_fb_helper_set_suspend, which is a wrapper around + * fb_set_suspend implemented by fbdev core. + */ +void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, int state) +{ + if (fbdev_cma) + drm_fb_helper_set_suspend(&fbdev_cma->fb_helper, state); +} +EXPORT_SYMBOL(drm_fbdev_cma_set_suspend); diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h index fd0dde9f0a6d..f313211f8ed5 100644 --- a/include/drm/drm_fb_cma_helper.h +++ b/include/drm/drm_fb_cma_helper.h @@ -23,6 +23,7 @@ void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma); +void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, int state); int drm_fbdev_cma_create_with_funcs(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes, const struct drm_framebuffer_funcs *funcs); -- cgit v1.2.3