linux-kernel - [PATCH] drm/ast: Enable the supporting of wide screen on AST2600

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Date:   Wed, 29 Dec 2021 16:27:49 +0800
From:   KuoHsiang Chou <kuohsiang_chou@...eedtech.com>
To:     <tzimmermann@...e.de>, <dri-devel@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>
CC:     <airlied@...hat.com>, <airlied@...ux.ie>, <daniel@...ll.ch>,
        <kuohsiang_chou@...eedtech.com>, <arc_sung@...eedtech.com>
Subject: [PATCH] drm/ast: Enable the supporting of wide screen on AST2600

Enable the supporting of wide sscreen on AST2600, so that the resolution
of 16:9 and 16:10 are able to be selected on Display Settings.

Signed-off-by: KuoHsiang Chou <kuohsiang_chou@...eedtech.com>
---
 drivers/gpu/drm/ast/ast_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 9f25fa2c8..1113ee1cb 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -209,6 +209,8 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post)
 			if (ast->chip == AST2500 &&
 			    scu_rev == 0x100)           /* ast2510 */
 				ast->support_wide_screen = true;
+			if (ast->chip == AST2600)		/* ast2600 */
+				ast->support_wide_screen = true;
 		}
 		break;
 	}
--
2.27.0