From: Jeykumar Sankaran jsanka@codeaurora.org
Used by the dpu driver for custom suspend/resume.
Signed-off-by: Jeykumar Sankaran jsanka@codeaurora.org [seanpaul split this out of the megapatch] Signed-off-by: Sean Paul seanpaul@chromium.org --- drivers/gpu/drm/msm/msm_drv.c | 10 ++++++++++ drivers/gpu/drm/msm/msm_kms.h | 3 +++ 2 files changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index ed6efebabc38..cd0959783203 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -912,6 +912,11 @@ static int msm_pm_suspend(struct device *dev) { struct drm_device *ddev = dev_get_drvdata(dev); struct msm_drm_private *priv = ddev->dev_private; + struct msm_kms *kms = priv->kms; + + /* TODO: Use atomic helper suspend/resume */ + if (kms && kms->funcs && kms->funcs->pm_suspend) + return kms->funcs->pm_suspend(dev);
drm_kms_helper_poll_disable(ddev);
@@ -928,6 +933,11 @@ static int msm_pm_resume(struct device *dev) { struct drm_device *ddev = dev_get_drvdata(dev); struct msm_drm_private *priv = ddev->dev_private; + struct msm_kms *kms = priv->kms; + + /* TODO: Use atomic helper suspend/resume */ + if (kms && kms->funcs && kms->funcs->pm_resume) + return kms->funcs->pm_resume(dev);
drm_atomic_helper_resume(ddev, priv->pm_state); drm_kms_helper_poll_enable(ddev); diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index 9cd7223febcf..36201f43fa31 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -62,6 +62,9 @@ struct msm_kms_funcs { void (*set_encoder_mode)(struct msm_kms *kms, struct drm_encoder *encoder, bool cmd_mode); + /* pm suspend/resume hooks */ + int (*pm_suspend)(struct device *dev); + int (*pm_resume)(struct device *dev); /* cleanup: */ void (*destroy)(struct msm_kms *kms); #ifdef CONFIG_DEBUG_FS