From patchwork Tue Jan 10 05:54:50 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: 13094707 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 3B24BC46467 for ; Tue, 10 Jan 2023 05:55:54 +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=RSk7SNfalHVSEupWJvDsfOvqV9D94msX9RLPBIHSp2s=; b=xYhQOU4sgLQXDUofw5Svy1h6fZ Ovo9G2l4WkZLpjh/J5eaJzHb6xcPVunGNm+WhWL3Oqm1IvnYJ9r2ZKEdqeu1d+CTleCvLh012X0Lw i1l4nOQps238UNQYQkEOoSjSEgglBFlmSsgep15325VK2SBERprcryrN5PV924EF1MN74GuY8K6mj I4+bffc/htfX9tEk3xdBiGADOVgWOagvrOEVyZuNZKz8+8BDNYwqvL3PcaVXJRVwTpDAoWrg6uzaJ gabaQPh850K1i4ZkGBst/onUdhNK0pO1NoFMtum1nmi0qvuNiiLGVKd+V4Fw3QMIftgQBhudyomNI z5cNbiFg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pF7bs-005OMA-87; Tue, 10 Jan 2023 05:55:44 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pF7br-005OLm-0Q; Tue, 10 Jan 2023 05:55:43 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:MIME-Version:Message-ID: Date:Subject:CC:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=RSk7SNfalHVSEupWJvDsfOvqV9D94msX9RLPBIHSp2s=; b=JEEjblWky5XfJvkLwc2IYSfs2S zYCZubac5TFu/uipiJonpIOYEItfYjx4L9/p/HgMAAwEQXfMeIWdMZybvBRlndfQSAmkYqCoWPXhr RL2l5WNyQJKltCW7Xdx1fyz20ME1v3oOT07YWf+I7e1ikyiqbSiKVBz1qch3XQ1GWLbvB74FCaAyc y+W5DaQTspXJ2cqTAiTV6ElQU3dDnwK5alhxZ6AqtmlGeakRkIvxL0OkPOf/kNOtE77rJBcN6Ob4G FqAgbsdf5YPpUUBqMgetYNGhuz9WXuzUiDR+HIt+Jfddd3SjVzMf+ZEsSdaf7BadPI/xkKxhS3WWz FUct2hOQ==; Received: from mailgw01.mediatek.com ([216.200.240.184]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pF7bd-0031HD-12; Tue, 10 Jan 2023 05:55:33 +0000 X-UUID: 48af4cc123ce46cab35a7e0c316c621d-20230109 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=RSk7SNfalHVSEupWJvDsfOvqV9D94msX9RLPBIHSp2s=; b=VH4dflNyG/d3GN69VjvSO02bMH+VopTTlwcY/+2meMmZSJMqC919+DoTuYmqq+OU7/6FJh9YkfRJ100dTW+jwNZ3Vsmbs5M5dknfAiKrtFxvBY6CKy80Gp3xoNY20qUDCoBrDOE4qePzyerFyWx2EEweCjXJGfx8+U0auf4o3Nc=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.17,REQID:66b53f2a-193d-46d5-9140-94791c4a1878,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:f7175bf5-ff42-4fb0-b929-626456a83c14,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: 48af4cc123ce46cab35a7e0c316c621d-20230109 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 1578937428; Mon, 09 Jan 2023 22:55:30 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) 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; Tue, 10 Jan 2023 13:54:55 +0800 Received: from mszsdaap41.gcn.mediatek.inc (10.16.6.141) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 10 Jan 2023 13:54:55 +0800 From: To: , , , , , , , , CC: , , , , , Xinlei Lee Subject: [PATCH v2 0/3] Reduce lcm_reset to DSI LP11 send cmd time Date: Tue, 10 Jan 2023 13:54:50 +0800 Message-ID: <1673330093-6771-1-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-20230110_055530_718997_53AFF5DC X-CRM114-Status: UNSURE ( 8.46 ) 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. Base on the branch of linus/master v6.2. Change since v1: 1. Added fine-tuning panel power sequence modification. Xinlei Lee (3): 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 drm/panel: boe-tv101wum-nl6: Fine tune the panel power sequence drivers/gpu/drm/mediatek/mtk_dsi.c | 2 +- drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 7 ++++++- 2 files changed, 7 insertions(+), 2 deletions(-)