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authorDaniel Mack <daniel@zonque.org>2018-05-28 22:53:38 +0300
committerRob Clark <robdclark@gmail.com>2018-07-25 14:51:04 +0300
commitec446d09366cea199214b30810e368c5178841cd (patch)
tree3e59810b096892b5298ef03f2c5a1854d865c8e9 /drivers/gpu/drm/msm/msm_drv.c
parent500775074f88d9cf5416bed2ca19592812d62c41 (diff)
downloadlinux-ec446d09366cea199214b30810e368c5178841cd.tar.xz
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>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
-rw-r--r--drivers/gpu/drm/msm/msm_drv.c9
1 files changed, 9 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;