linux-kernel - [PATCH 5/5] drm/panel: simple: push blanking limit on RK32FN48H

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Date: Mon, 5 Feb 2024 10:26:50 +0100
From: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
To: Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard
	<mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie
	<airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>,
        Raphael Gallais-Pou
	<raphael.gallais-pou@...s.st.com>
Subject: [PATCH 5/5] drm/panel: simple: push blanking limit on RK32FN48H

Push horizontal front porch and vertical back porch blanking limit.
This allows to get a 60 fps sharp.

Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 7b286382ffb4..10b361d603be 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3516,10 +3516,10 @@ static const struct display_timing rocktech_rk043fn48h_timing = {
 	.pixelclock = { 6000000, 9000000, 12000000 },
 	.hactive = { 480, 480, 480 },
 	.hback_porch = { 8, 43, 43 },
-	.hfront_porch = { 2, 8, 8 },
+	.hfront_porch = { 2, 8, 10 },
 	.hsync_len = { 1, 1, 1 },
 	.vactive = { 272, 272, 272 },
-	.vback_porch = { 2, 12, 12 },
+	.vback_porch = { 2, 12, 26 },
 	.vfront_porch = { 1, 4, 4 },
 	.vsync_len = { 1, 10, 10 },
 	.flags = DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_HSYNC_LOW |

-- 
2.25.1