linux-kernel - [PATCH] drm/panel: st7701: Swap vertical front and back porch timings

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Message-Id: <20190512184827.13905-1-jagan@amarulasolutions.com>
Date:   Mon, 13 May 2019 00:18:27 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Sam Ravnborg <sam@...nborg.org>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc:     michael@...rulasolutions.com, linux-amarula@...rulasolutions.com,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: [PATCH] drm/panel: st7701: Swap vertical front and back porch timings

Vertical front and back porch values on existing driver are swapped.
The existing timings are still working as expected, but to make sure 
it can compatible with techstar ts8550b bsp timings this patch swap
the same values.

Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
---
 drivers/gpu/drm/panel/panel-sitronix-st7701.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c b/drivers/gpu/drm/panel/panel-sitronix-st7701.c
index 63f9a1c7fb1b..09c5d9a6f9fa 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7701.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c
@@ -305,9 +305,9 @@ static const struct drm_display_mode ts8550b_mode = {
 	.htotal		= 480 + 38 + 12 + 12,
 
 	.vdisplay	= 854,
-	.vsync_start	= 854 + 4,
-	.vsync_end	= 854 + 4 + 8,
-	.vtotal		= 854 + 4 + 8 + 18,
+	.vsync_start	= 854 + 18,
+	.vsync_end	= 854 + 18 + 8,
+	.vtotal		= 854 + 18 + 8 + 4,
 
 	.width_mm	= 69,
 	.height_mm	= 139,
-- 
2.18.0.321.gffc6fa0e3