From 4f2aa096ba1682fcd002613c6cb1550476008da1 Mon Sep 17 00:00:00 2001 From: Lakshmi Narayana Kalavala Date: Mon, 26 Feb 2018 15:46:57 -0800 Subject: 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 Signed-off-by: Lakshmi Narayana Kalavala --- drivers/gpu/drm/msm/msm_atomic.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/msm/msm_atomic.c') diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 0c119ec5d97c..7d40f38092d4 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.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) 2014 Red Hat * Author: Rob Clark * @@ -562,6 +562,11 @@ int msm_atomic_commit(struct drm_device *dev, struct msm_commit *commit; int i, ret; + if (!priv || priv->shutdown_in_progress) { + DRM_ERROR("priv is null or shutdwon is in-progress\n"); + return -EINVAL; + } + SDE_ATRACE_BEGIN("atomic_commit"); ret = drm_atomic_helper_prepare_planes(dev, state); if (ret) { -- cgit v1.2.3