diff options
author | Stefan Agner <stefan@agner.ch> | 2016-02-12 01:30:14 (GMT) |
---|---|---|
committer | Stefan Agner <stefan@agner.ch> | 2016-06-19 01:33:54 (GMT) |
commit | 917f4253369515b54dcde14b5d3d25a08d474232 (patch) | |
tree | 44d887e17900ebf45a8757f7fc8bce0c9ebfc555 | |
parent | 5edb56491d4812c42175980759da53388e5d86f5 (diff) | |
download | linux-917f4253369515b54dcde14b5d3d25a08d474232.tar.xz |
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 <thierry.reding@gmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Stefan Agner <stefan@agner.ch>
-rw-r--r-- | drivers/gpu/drm/drm_fb_cma_helper.c | 15 | ||||
-rw-r--r-- | include/drm/drm_fb_cma_helper.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index 5075fae..1c74039 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 fd0dde9..f313211 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); |