linux-kernel - [PATCH 4.4 32/49] drm/exynos/decon5433: set STANDALONE_UPDATE

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Message-Id: <20171207124708.252274170@linuxfoundation.org>
Date:   Thu,  7 Dec 2017 14:07:26 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andrzej Hajda <a.hajda@...sung.com>,
        Inki Dae <inki.dae@...sung.com>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.4 32/49] drm/exynos/decon5433: set STANDALONE_UPDATE_F on output enablement

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrzej Hajda <a.hajda@...sung.com>


[ Upstream commit 11d8bcef7a0399e1d2519f207fd575fc404306b4 ]

DECON_TV requires STANDALONE_UPDATE after output enabling, otherwise it does
not start. This change is neutral for DECON.

Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
Signed-off-by: Inki Dae <inki.dae@...sung.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/exynos/exynos5433_drm_decon.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -180,6 +180,8 @@ static void decon_commit(struct exynos_d
 
 	/* enable output and display signal */
 	decon_set_bits(ctx, DECON_VIDCON0, VIDCON0_ENVID | VIDCON0_ENVID_F, ~0);
+
+	decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
 }
 
 static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,