This will hopefully make it easier to navigate the code without the need to consult the full PM documentation.
v2: - add a comment that the freeze handler is also called after rebooting Signed-off-by: Imre Deak <[email protected]> --- drivers/gpu/drm/i915/i915_drv.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index b5508ae..538a658 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1504,10 +1504,24 @@ static int intel_resume_prepare(struct drm_i915_private *dev_priv, } static const struct dev_pm_ops i915_pm_ops = { + /* S0ix, S3 event handlers */ .suspend = i915_pm_suspend, .suspend_late = i915_pm_suspend_late, .resume_early = i915_pm_resume_early, .resume = i915_pm_resume, + + /* + * S4 event handlers + * @freeze, @freeze_late : called (1) before creating hibernation + * image and (2) after rebooting, before + * restoring the image + * @thaw, @thaw_early : called after creating hibernation image, + * before writing it + * @poweroff, @poweroff_late: called after writing hibernation image, + * before rebooting + * @restore, @restore_early : called after rebooting and restoring the + * image + */ .freeze = i915_pm_suspend, .freeze_late = i915_pm_suspend_late, .thaw_early = i915_pm_resume_early, @@ -1516,6 +1530,8 @@ static const struct dev_pm_ops i915_pm_ops = { .poweroff_late = i915_pm_suspend_late, .restore_early = i915_pm_resume_early, .restore = i915_pm_resume, + + /* D0<->D3 (runtime PM) event handlers */ .runtime_suspend = intel_runtime_suspend, .runtime_resume = intel_runtime_resume, }; -- 1.8.4 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
