linux-kernel - [PATCH 01/18] media: platform: microchip: set maximum resolution for sam9x7

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Message-ID: <20251009155251.102472-2-balamanikandan.gunasundar@microchip.com>
Date: Thu, 9 Oct 2025 21:22:34 +0530
From: Balamanikandan Gunasundar <balamanikandan.gunasundar@...rochip.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>
CC: Eugen Hristev <eugen.hristev@...aro.org>, Chas Williams
	<3chas3@...il.com>, Nicolas Ferre <nicolas.ferre@...rochip.com>, "Alexandre
 Belloni" <alexandre.belloni@...tlin.com>, Claudiu Beznea
	<claudiu.beznea@...on.dev>, Balakrishnan Sambath
	<balakrishnan.s@...rochip.com>, Hans Verkuil <hverkuil@...nel.org>, "Ricardo
 Ribalda" <ribalda@...omium.org>, Laurent Pinchart
	<laurent.pinchart+renesas@...asonboard.com>, Jacopo Mondi
	<jacopo.mondi@...asonboard.com>, Daniel Scally
	<dan.scally+renesas@...asonboard.com>, Tomi Valkeinen
	<tomi.valkeinen@...asonboard.com>, <linux-kernel@...r.kernel.org>,
	<linux-media@...r.kernel.org>, <linux-atm-general@...ts.sourceforge.net>,
	<netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	Balamanikandan Gunasundar <balamanikandan.gunasundar@...rochip.com>
Subject: [PATCH 01/18] media: platform: microchip: set maximum resolution for sam9x7

The maximum resolution for sam9x7 is 2560x1920. And its is 3264x2464 for
sama7g5.

Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@...rochip.com>
---
 .../media/platform/microchip/microchip-sama7g5-isc.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/microchip/microchip-sama7g5-isc.c b/drivers/media/platform/microchip/microchip-sama7g5-isc.c
index b0302dfc3278..36c3f4ba1962 100644
--- a/drivers/media/platform/microchip/microchip-sama7g5-isc.c
+++ b/drivers/media/platform/microchip/microchip-sama7g5-isc.c
@@ -55,6 +55,9 @@
 #define ISC_SAMA7G5_MAX_SUPPORT_WIDTH   3264
 #define ISC_SAMA7G5_MAX_SUPPORT_HEIGHT  2464
 
+#define ISC_SAM9X7_MAX_SUPPORT_WIDTH    2560
+#define ISC_SAM9X7_MAX_SUPPORT_HEIGHT   1920
+
 #define ISC_SAMA7G5_PIPELINE \
 	(WB_ENABLE | CFA_ENABLE | CC_ENABLE | GAM_ENABLES | CSC_ENABLE | \
 	CBC_ENABLE | SUB422_ENABLE | SUB420_ENABLE)
@@ -432,8 +435,13 @@ static int microchip_xisc_probe(struct platform_device *pdev)
 	isc->gamma_table = isc_sama7g5_gamma_table;
 	isc->gamma_max = 0;
 
-	isc->max_width = ISC_SAMA7G5_MAX_SUPPORT_WIDTH;
-	isc->max_height = ISC_SAMA7G5_MAX_SUPPORT_HEIGHT;
+	if ((of_machine_is_compatible("microchip,sam9x7"))) {
+		isc->max_width = ISC_SAM9X7_MAX_SUPPORT_WIDTH;
+		isc->max_height = ISC_SAM9X7_MAX_SUPPORT_HEIGHT;
+	} else {
+		isc->max_width = ISC_SAMA7G5_MAX_SUPPORT_WIDTH;
+		isc->max_height = ISC_SAMA7G5_MAX_SUPPORT_HEIGHT;
+	}
 
 	isc->config_dpc = isc_sama7g5_config_dpc;
 	isc->config_csc = isc_sama7g5_config_csc;
-- 
2.34.1