diff options
| author | Lakshmi Narayana Kalavala <lkalaval@codeaurora.org> | 2018-02-26 15:46:57 -0800 |
|---|---|---|
| committer | Lakshmi Narayana Kalavala <lkalaval@codeaurora.org> | 2018-03-08 13:07:14 -0800 |
| commit | 4f2aa096ba1682fcd002613c6cb1550476008da1 (patch) | |
| tree | b39be34e29236c127511eea27f4a62ed1c20cb15 /drivers/gpu/drm/msm/msm_drv.c | |
| parent | 07324253e2e621c2cf54105c5612e341a9f305ad (diff) | |
drm/msm: support shutdown sequence on msm driver
Add shutdown sequence in msm driver to turn off
all connectors/bridge gracefully. That will allow
the graceful shutdown for dsi panel.
Change-Id: I055bd57a45706478c785b7a3c41bf7623dd8d2e7
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
Signed-off-by: Lakshmi Narayana Kalavala <lkalaval@codeaurora.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 6f968e93d959..043fdb712723 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved. + * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark <robdclark@gmail.com> * @@ -2199,6 +2199,28 @@ static const struct platform_device_id msm_id[] = { { } }; +static void msm_pdev_shutdown(struct platform_device *pdev) +{ + struct drm_device *ddev = platform_get_drvdata(pdev); + struct msm_drm_private *priv = NULL; + + if (!ddev) { + DRM_ERROR("invalid drm device node\n"); + return; + } + + priv = ddev->dev_private; + if (!priv) { + DRM_ERROR("invalid msm drm private node\n"); + return; + } + + msm_lastclose(ddev); + + /* set this after lastclose to allow kickoff from lastclose */ + priv->shutdown_in_progress = true; +} + static const struct of_device_id dt_match[] = { { .compatible = "qcom,mdp" }, /* mdp4 */ { .compatible = "qcom,sde-kms" }, /* sde */ @@ -2209,6 +2231,7 @@ MODULE_DEVICE_TABLE(of, dt_match); static struct platform_driver msm_platform_driver = { .probe = msm_pdev_probe, .remove = msm_pdev_remove, + .shutdown = msm_pdev_shutdown, .driver = { .name = "msm_drm", .of_match_table = dt_match, |