linux-kernel - [PATCH] drm/bridge: cdns-dsi: Fix issue with phy init

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Message-ID: <20221115083918.23192-1-r-ravikumar@ti.com>
Date:   Tue, 15 Nov 2022 14:09:18 +0530
From:   Rahul T R <r-ravikumar@...com>
To:     <dri-devel@...ts.freedesktop.org>
CC:     <andrzej.hajda@...el.com>, <neil.armstrong@...aro.org>,
        <robert.foss@...aro.org>, <Laurent.pinchart@...asonboard.com>,
        <jonas@...boo.se>, <jernej.skrabec@...il.com>, <airlied@...il.com>,
        <daniel@...ll.ch>, <p.zabel@...gutronix.de>,
        <tomi.valkeinen@...asonboard.com>, <linux-kernel@...r.kernel.org>,
        <jpawar@...ence.com>, <sjakhade@...ence.com>,
        Rahul T R <r-ravikumar@...com>
Subject: [PATCH] drm/bridge: cdns-dsi: Fix issue with phy init

Phy is not being initialized after suspend resume. Fix this by setting
phy_initialized flag to false in suspend callback

Signed-off-by: Rahul T R <r-ravikumar@...com>
---
 drivers/gpu/drm/bridge/cdns-dsi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c b/drivers/gpu/drm/bridge/cdns-dsi.c
index 20bece84ff8c..1a988f53424a 100644
--- a/drivers/gpu/drm/bridge/cdns-dsi.c
+++ b/drivers/gpu/drm/bridge/cdns-dsi.c
@@ -1187,6 +1187,7 @@ static int __maybe_unused cdns_dsi_suspend(struct device *dev)
 	clk_disable_unprepare(dsi->dsi_p_clk);
 	reset_control_assert(dsi->dsi_p_rst);
 	dsi->link_initialized = false;
+	dsi->phy_initialized = false;
 	return 0;
 }
 
-- 
2.38.0