From patchwork Mon Jun 13 06:48:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?UmV4LUJDIENoZW4gKOmZs+afj+i+sCk=?= X-Patchwork-Id: 12879059 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 73998C43334 for ; Mon, 13 Jun 2022 06:52:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9lcljojoXSyxWEjDS30Lc13eemnhVpuEZ3AFK+a4SmM=; b=vmDEHQvPWtE3Ce UJiLTe1nZb2KzGlRjmSEdxb0pRp2wRdK5Gt3qy0icdRMDYs8YAr4VzjCit7ZPd8zwvNr1cho5ak+x 8hWTLGvravHBqrOx84A8gAG7ek8i07WYWpQahWExoFqMrv94uWUZq6lA9IlsPgujOEYZCURyvV5+K zBrlXz7fcwkGidVQ7UtnZmrtkCRDpWy/73wDirPEe0Ew70+voEqi4KHnWLLBc5dC5EU++FzWACs5E /CnNEhuswrvcgUb6KoddHbRJyCT1ZUwuDrMvXQZenUq8f3/XuMvJApxPSAnqEQzACcSbDvr6YBOKf K4D9xEIqF6/5uTpVh+lA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o0duV-001k46-6z; Mon, 13 Jun 2022 06:50:51 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o0duM-001jxx-8t; Mon, 13 Jun 2022 06:50:44 +0000 X-UUID: 3352927a0a0640ce92b630032669e04e-20220612 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:687a6f36-7328-4c1e-9e52-954c2465d1ec,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:2a19b09,CLOUDID:c8758037-84c0-4f9a-9fbd-acd4a0e9ad0f,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:0,BEC:nil X-UUID: 3352927a0a0640ce92b630032669e04e-20220612 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1144505433; Sun, 12 Jun 2022 23:50:32 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 12 Jun 2022 23:48:48 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 13 Jun 2022 14:48:44 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 13 Jun 2022 14:48:44 +0800 From: Bo-Chen Chen To: , , , , , , CC: , , , , , , , , , , , , Bo-Chen Chen Subject: [PATCH v11 11/12] drm/mediatek: dpi: Only enable dpi after the bridge is enabled Date: Mon, 13 Jun 2022 14:48:40 +0800 Message-ID: <20220613064841.10481-12-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220613064841.10481-1-rex-bc.chen@mediatek.com> References: <20220613064841.10481-1-rex-bc.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220612_235042_406763_B9C53001 X-CRM114-Status: GOOD ( 11.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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. 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 08c8f21b4421..9668bd5dd14a 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -480,7 +480,6 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi) if (dpi->pinctrl && dpi->pins_dpi) pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); - mtk_dpi_enable(dpi); return 0; err_pixel: @@ -726,6 +725,7 @@ static void mtk_dpi_bridge_enable(struct drm_bridge *bridge) mtk_dpi_power_on(dpi); mtk_dpi_set_display_mode(dpi, &dpi->mode); + mtk_dpi_enable(dpi); } static enum drm_mode_status