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: 13090891 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 A90CAC4708D for ; Fri, 6 Jan 2023 03:36:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=LrM1TjJhEDXqK3mki6dkj5bVxRVhHMMcBw0cAXwlPN8=; b=l1RQl7uvKsWDnOj0BftuWwn3wL ygcCTE6OaA5mKFxHcwxHVBsBSNxhfjfTNBTtN72437nN7J3Xu0jzy22Ll+qqWhGw+31Mjv7xtNBTz t9NXQsQx3OF3+iKg6WiuGOeH6SKKoUUrkN5J7JBlQsGAEW0G+1x1zyPDKStyjtBzLuq+ach+H78ZT 72KE8QZGVkoEJ28FzWOAYmZdJrft7M5HpAS2ljcJHMgsxfws1TdRwjvA/OuWG9rmuM1Yp1qqWO1Vz 41hAoiJ7qbCVoZW1HJg/9HqO/OxU+cSAF9e17J3TaNOvhox/6fhDIaf/nlpgZhvyNFhTwuq+znezM S0yG3oRQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pDdWb-0001Ww-FT; Fri, 06 Jan 2023 03:36:09 +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-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=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(-)