From patchwork Mon Feb 1 03:36:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 12057993 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3652C433E0 for ; Mon, 1 Feb 2021 03:36:33 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 98F8160231 for ; 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Sun, 31 Jan 2021 19:36:16 -0800 Received: from MTKMBS33N2.mediatek.inc (172.27.4.76) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 31 Jan 2021 19:36:14 -0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS33N2.mediatek.inc (172.27.4.76) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 1 Feb 2021 11:36:08 +0800 Received: from mszsdaap41.gcn.mediatek.inc (10.16.6.141) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 1 Feb 2021 11:36:06 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v2 1/2] drm/mediatek: dsi: Fix EoTp flag Date: Mon, 1 Feb 2021 11:36:02 +0800 Message-ID: <20210201033603.12616-2-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.12.5 In-Reply-To: <20210201033603.12616-1-jitao.shi@mediatek.com> References: <20210201033603.12616-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: B12375E8C98A95FD60633FF578880AE2365CEDD3A88E4093A3A168535352E61D2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210131_223622_174309_87727685 X-CRM114-Status: GOOD ( 11.20 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jitao Shi , srv_heupstream@mediatek.com, huijuan.xie@mediatek.com, stonea168@163.com, cawa.cheng@mediatek.com, linux-mediatek@lists.infradead.org, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org SoC will transmit the EoTp (End of Transmission packet) when MIPI_DSI_MODE_EOT_PACKET flag is set. Signed-off-by: Jitao Shi --- drivers/gpu/drm/mediatek/mtk_dsi.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 65fd99c528af..2bc46f2350f1 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -401,8 +401,11 @@ static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi) break; } - tmp_reg |= (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) << 6; - tmp_reg |= (dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET) >> 3; + if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) + tmp_reg |= HSTX_CKLP_EN; + + if (!(dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET)) + tmp_reg |= DIS_EOT; writel(tmp_reg, dsi->regs + DSI_TXRX_CTRL); } From patchwork Mon Feb 1 03:36:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 12057995 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95AE3C433E0 for ; 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Mon, 1 Feb 2021 11:36:08 +0800 From: Jitao Shi To: Rob Herring , Mark Rutland , Matthias Brugger , Daniel Vetter , David Airlie , , Subject: [PATCH v2 2/2] drm/mediatek: dsi: fine tune the line time cause by EOTp Date: Mon, 1 Feb 2021 11:36:03 +0800 Message-ID: <20210201033603.12616-3-jitao.shi@mediatek.com> X-Mailer: git-send-email 2.12.5 In-Reply-To: <20210201033603.12616-1-jitao.shi@mediatek.com> References: <20210201033603.12616-1-jitao.shi@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: ACEABE82BDDD8AC1D44B065C300327C1A829929A8C583854B1D308A61AB955862000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210131_223621_550815_1BBADB10 X-CRM114-Status: GOOD ( 11.38 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jitao Shi , srv_heupstream@mediatek.com, huijuan.xie@mediatek.com, stonea168@163.com, cawa.cheng@mediatek.com, linux-mediatek@lists.infradead.org, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Enabling EoTp will make the line time larger, so the hfp and hbp should be reduced to keep line time. Signed-off-by: Jitao Shi --- drivers/gpu/drm/mediatek/mtk_dsi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 2bc46f2350f1..8c70ec39bfe1 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -481,6 +481,7 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi) timing->da_hs_zero + timing->da_hs_exit + 3; delta = dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST ? 18 : 12; + delta += dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET ? 2 : 0; horizontal_frontporch_byte = vm->hfront_porch * dsi_tmp_buf_bpp; horizontal_front_back_byte = horizontal_frontporch_byte + horizontal_backporch_byte;