From patchwork Fri Jan 6 03:05:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WGlubGVpIExlZSAo5p2O5piV56OKKQ==?= X-Patchwork-Id: 13090890 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 3199EC4708D for ; Fri, 6 Jan 2023 03:37:11 +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: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:In-Reply-To:References: List-Owner; bh=LHyAJHmKa/+Py7f3fx9ZV7oKzsTIDTeWXxBWGaX5uzA=; b=VtHSB0K6ZKSLAQ T9le9ce1qpxqZIVeVWodCneP2o5Ln2DVUSu8oRL2YOvhxqbryqfdfAmqECjpJWsiJr/+D7VRUyqwE m+pydSsk3exEHj7IJgPIFMSoLM/UdQnTq8iC6scS+CFzCwjR71dr+qnXUhlgkPRPjJjvU36NMyo0a 0XbstsftLhe9eueWMvY/F6ukFtJ/Yjlb+9G9GRuB8P0ChB/81pvrOViLyh/r9YgSeZY/9jawsSq97 LQefezAx+mVbdOTu80m0U0HIqSzj/O+JqdmaXo8jNtOKv0YsGudX6l1Z/srpF3Ab1zZlxvzSyk8ZO EYpak/WeYWFtWV44xgWg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pDdWc-0001XO-Km; Fri, 06 Jan 2023 03:36:10 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pDdWX-0001Vs-EQ; Fri, 06 Jan 2023 03:36:08 +0000 X-UUID: 6a199303a8c7413f855acc384ea8c999-20230105 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=LrM1TjJhEDXqK3mki6dkj5bVxRVhHMMcBw0cAXwlPN8=; b=P3Q4t1n67uRShDLGPO1gJ0AbG2sh0gVIHs+xG+XIZrKAkFa650hFPpUa5GOjbgdVd7txnEmPvFc0DNYQIndflxgGYJtU+KYOt6WverLL8iKw+kYYfCKl3zPELiQ7VP/cCwHH5G+XTKYbl87Z2ccOS2RJ7dFmohvHRHxTn099Z5s=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.17,REQID:110a61c3-64ff-4a1f-a471-6adfa71155cc,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:543e81c,CLOUDID:9c876a8b-8530-4eff-9f77-222cf6e2895b,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0 X-CID-BVR: 0 X-UUID: 6a199303a8c7413f855acc384ea8c999-20230105 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1819932426; Thu, 05 Jan 2023 20:36:02 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Fri, 6 Jan 2023 11:05:24 +0800 Received: from mszsdaap41.gcn.mediatek.inc (10.16.6.141) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Fri, 6 Jan 2023 11:05:23 +0800 From: To: , , , , , , , , CC: , , , , , Xinlei Lee Subject: [PATCH 0/2]Reduce lcm_reset to DSI LP11 send cmd time Date: Fri, 6 Jan 2023 11:05:19 +0800 Message-ID: <1672974321-18947-1-git-send-email-xinlei.lee@mediatek.com> X-Mailer: git-send-email 2.6.4 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230105_193605_499882_89EB88BC X-CRM114-Status: UNSURE ( 7.83 ) X-CRM114-Notice: Please train this message. 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: Xinlei Lee The panel spec stipulates that after lcm_reset is pulled high, cmd should be sent to initialize the panel. Within the allowable range of the DSI spec, this time needs to be reduced to avoid panel exceptions. Xinlei Lee (2): drm/mediatek: dsi: Reduce the time of dsi from LP11 to sending cmd drm/panel: boe-tv101wum-nl6: Reduce lcm_reset to send initial code time drivers/gpu/drm/mediatek/mtk_dsi.c | 2 +- drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 1 - 2 files changed, 1 insertion(+), 2 deletions(-)