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| author |   Stefan Agner <stefan@agner.ch> | 2016-02-11 17:30:14 -0800 |
|---|---|---|
| committer | Stefan Agner <stefan@agner.ch> | 2016-06-18 18:33:54 -0700 |
| commit | 917f4253369515b54dcde14b5d3d25a08d474232 (patch) | |
| tree | 44d887e17900ebf45a8757f7fc8bce0c9ebfc555 /drivers/gpu/drm/drm_fb_cma_helper.c | |
| parent | Linux 4.7-rc3 (diff) | |
| download | linux-dev-917f4253369515b54dcde14b5d3d25a08d474232.tar.xz linux-dev-917f4253369515b54dcde14b5d3d25a08d474232.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/drm_fb_cma_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_fb_cma_helper.c | 15 |
1 files changed, 15 insertions, 0 deletions
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); |