From nobody Thu Nov 14 09:39:28 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9FABCCA485 for ; Tue, 21 Jun 2022 11:37:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349761AbiFULhx (ORCPT ); Tue, 21 Jun 2022 07:37:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349413AbiFULhq (ORCPT ); Tue, 21 Jun 2022 07:37:46 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B8F7B29C8D; Tue, 21 Jun 2022 04:37:41 -0700 (PDT) X-UUID: 7c8a1e32946c4e91aa9e7cd51fdc7cfe-20220621 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.6,REQID:ee3479a6-a97e-4bae-be1a-57ee4c0a089e,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:b14ad71,CLOUDID:01bb1238-5e4b-44d7-80b2-bb618cb09d29,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:nil,BEC:nil,COL:0 X-UUID: 7c8a1e32946c4e91aa9e7cd51fdc7cfe-20220621 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 770360082; Tue, 21 Jun 2022 19:37:35 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 21 Jun 2022 19:37:35 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Tue, 21 Jun 2022 19:37:35 +0800 From: Bo-Chen Chen To: , , , , , , CC: , , , , , , , , , , , , Bo-Chen Chen Subject: [PATCH v13 14/14] drm/mediatek: dpi: Only enable dpi after the bridge is enabled Date: Tue, 21 Jun 2022 19:37:32 +0800 Message-ID: <20220621113732.11595-15-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220621113732.11595-1-rex-bc.chen@mediatek.com> References: <20220621113732.11595-1-rex-bc.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Guillaume Ranquet Enabling the dpi too early causes glitches on screen. Move the call to mtk_dpi_enable() at the end of the bridge_enable callback to ensure everything is setup properly before enabling dpi. Fixes: 9e629c17aa8d ("drm/mediatek: Add DPI sub driver") Signed-off-by: Guillaume Ranquet Signed-off-by: Bo-Chen Chen --- drivers/gpu/drm/mediatek/mtk_dpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/= mtk_dpi.c index e562f0d55cc2..83841d5efb3e 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -532,7 +532,6 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi) if (dpi->pinctrl && dpi->pins_dpi) pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); =20 - mtk_dpi_enable(dpi); return 0; =20 err_pixel: @@ -776,6 +775,7 @@ static void mtk_dpi_bridge_enable(struct drm_bridge *br= idge) =20 mtk_dpi_power_on(dpi); mtk_dpi_set_display_mode(dpi, &dpi->mode); + mtk_dpi_enable(dpi); } =20 static enum drm_mode_status --=20 2.18.0