diff options
| author | Daniel Mack <daniel@zonque.org> | 2018-05-28 21:53:38 +0200 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2018-07-25 07:51:04 -0400 |
| commit | ec446d09366cea199214b30810e368c5178841cd (patch) | |
| tree | 3e59810b096892b5298ef03f2c5a1854d865c8e9 | |
| parent | 500775074f88d9cf5416bed2ca19592812d62c41 (diff) | |
drm/msm: call drm_atomic_helper_suspend() and drm_atomic_helper_resume()
To make suspend and resume work on msm8916 platforms, call into the generic
helpers and preserve the state across suspends.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 021a0b6f9a59..7f7321eb5312 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -894,16 +894,25 @@ static struct drm_driver msm_driver = { static int msm_pm_suspend(struct device *dev) { struct drm_device *ddev = dev_get_drvdata(dev); + struct msm_drm_private *priv = ddev->dev_private; drm_kms_helper_poll_disable(ddev); + priv->pm_state = drm_atomic_helper_suspend(ddev); + if (IS_ERR(priv->pm_state)) { + drm_kms_helper_poll_enable(ddev); + return PTR_ERR(priv->pm_state); + } + return 0; } static int msm_pm_resume(struct device *dev) { struct drm_device *ddev = dev_get_drvdata(dev); + struct msm_drm_private *priv = ddev->dev_private; + drm_atomic_helper_resume(ddev, priv->pm_state); drm_kms_helper_poll_enable(ddev); return 0; diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index b2da1fbf81e0..17cefca1d566 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -150,6 +150,7 @@ struct msm_drm_private { struct shrinker shrinker; struct msm_vblank_ctrl vblank_ctrl; + struct drm_atomic_state *pm_state; }; struct msm_format { |