diff options
| author | Jeykumar Sankaran <jsanka@codeaurora.org> | 2018-06-27 21:24:17 +0200 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2018-07-26 16:40:16 +0200 |
| commit | 036bfeb33b89578ab924fa198213260659e08dc8 (patch) | |
| tree | b9ab03d8ab2976b4b44fc544638ca46de4299f3f /drivers/gpu/drm/msm | |
| parent | drm/msm: Add .commit() callback to msm_kms functions (diff) | |
| download | linux-036bfeb33b89578ab924fa198213260659e08dc8.tar.xz linux-036bfeb33b89578ab924fa198213260659e08dc8.zip | |
drm/msm: Add pm_suspend/resume callbacks to msm_kms
Used by the dpu driver for custom suspend/resume.
Changes in v3:
- None
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
[seanpaul split this out of the megapatch]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_kms.h | 3 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 8bd9fe831968..e79ad74ca98c 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -903,6 +903,11 @@ 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); @@ -919,6 +924,11 @@ 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 761bb07cd7bf..c15de28ae2dd 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -61,6 +61,9 @@ 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 |