From 1494276000db789c6d2acd85747be4707051c801 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Wed, 2 Dec 2015 17:50:04 +0100 Subject: drm/atomic-helper: Implement subsystem-level suspend/resume Provide subsystem-level suspend and resume helpers that can be used to implement suspend/resume on atomic mode-setting enabled drivers. v2: simplify locking, enhance kerneldoc comments v3: pass lock acquisition context by parameter, improve kerneldoc v4: - remove redundant code (already provided by atomic helpers) (Maarten Lankhorst) - move backoff dance from drm_modeset_lock_all_ctx() into suspend helper (Daniel Vetter) v5: handle potential EDEADLK from drm_atomic_helper_duplicate_state() and drm_atomic_helper_disable_all() (Daniel Vetter) Signed-off-by: Thierry Reding Link: http://patchwork.freedesktop.org/patch/msgid/1449075005-13937-2-git-send-email-thierry.reding@gmail.com Signed-off-by: Daniel Vetter --- include/drm/drm_atomic_helper.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/drm/drm_atomic_helper.h') diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index b7d423732f47..a286cce98720 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -83,6 +83,12 @@ int drm_atomic_helper_set_config(struct drm_mode_set *set); int __drm_atomic_helper_set_config(struct drm_mode_set *set, struct drm_atomic_state *state); +int drm_atomic_helper_disable_all(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx); +struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev); +int drm_atomic_helper_resume(struct drm_device *dev, + struct drm_atomic_state *state); + int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, struct drm_property *property, uint64_t val); -- cgit v1.2.3