From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8FE1CE7C4E7 for ; Wed, 4 Oct 2023 18:15:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243973AbjJDSPN (ORCPT ); Wed, 4 Oct 2023 14:15:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244024AbjJDSPM (ORCPT ); Wed, 4 Oct 2023 14:15:12 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65FE29E for ; Wed, 4 Oct 2023 11:15:09 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A5BBFC433CA; Wed, 4 Oct 2023 18:15:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1696443309; bh=8v8O5RC3CTmnnogEIhD0NTQYDcEqhVkiQJwPYG620Qc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FVpJvKAVCMQGsADyJVSXSHHl3L505HfaGDwt/f27mIxV6J6wLG0VFpjG5c/GN0ofJ RnIPtwVy2CDwVG3OcHsI0v//+uUDifNm+CwVrFPsP1/WDaY0jalkFF1OeCZOj9kSeo 1yp3AwUImXUvPirC6dnt+jZxeeNXLCHjHSeyfCME= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marek Vasut , Laurent Pinchart , Robert Foss , Sasha Levin Subject: [PATCH 6.1 111/259] drm/bridge: ti-sn65dsi83: Do not generate HFP/HBP/HSA and EOT packet Date: Wed, 4 Oct 2023 19:54:44 +0200 Message-ID: <20231004175222.442987814@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231004175217.404851126@linuxfoundation.org> References: <20231004175217.404851126@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Marek Vasut [ Upstream commit ca161b259cc84fe1f4a2ce4c73c3832cf6f713f1 ] Do not generate the HS front and back porch gaps, the HSA gap and EOT packet, as per "SN65DSI83 datasheet SLLSEC1I - SEPTEMBER 2012 - REVISED OCTOBER 2020", page 22, these packets are not required. This makes the TI SN65DSI83 bridge work with Samsung DSIM on i.MX8MN. Signed-off-by: Marek Vasut Reviewed-by: Laurent Pinchart Signed-off-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/20230403190242.224490-1-marex@denx.de Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 55efd3eb66723..3f43b44145a89 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -655,7 +655,9 @@ static int sn65dsi83_host_attach(struct sn65dsi83 *ctx) dsi->lanes = dsi_lanes; dsi->format = MIPI_DSI_FMT_RGB888; - dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_VIDEO_NO_HFP | MIPI_DSI_MODE_VIDEO_NO_HBP | + MIPI_DSI_MODE_VIDEO_NO_HSA | MIPI_DSI_MODE_NO_EOT_PACKET; ret = devm_mipi_dsi_attach(dev, dsi); if (ret < 0) { -- 2.40.1