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 5B0F1E7C4E7 for ; Wed, 4 Oct 2023 18:07:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243816AbjJDSHC (ORCPT ); Wed, 4 Oct 2023 14:07:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243815AbjJDSHB (ORCPT ); Wed, 4 Oct 2023 14:07:01 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 75D20C1 for ; Wed, 4 Oct 2023 11:06:58 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0CDCC433C7; Wed, 4 Oct 2023 18:06:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1696442818; bh=pxlr8ktdXJtspFf9McbGWW+J+CNtJxRSoXPsdUuGfnw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vErLcjQ3epI6iA8mY5rRlH19dRLjtkfgdya4A9cLZJzNkpz0UHDO4nuybgjOz31LS rWPpjb4QJ+ZL3tgP6mKDw1hBIr4v2aWhCq9JfMhtlfM/KGhqid9/bIB2SBXjXMd+XM +Qmj61b/iOBAoVvoNtqSI9uKZx6BYmnkrfTLMxQU= 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 5.15 092/183] drm/bridge: ti-sn65dsi83: Do not generate HFP/HBP/HSA and EOT packet Date: Wed, 4 Oct 2023 19:55:23 +0200 Message-ID: <20231004175207.755906289@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231004175203.943277832@linuxfoundation.org> References: <20231004175203.943277832@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Marek Vasut [ Upstream commit f4d324fb5628773907dd90342d18f978bd9a6d09 ] [ 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 b3cb910b30852..f96c0a89854b8 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -272,7 +272,9 @@ static int sn65dsi83_attach(struct drm_bridge *bridge, dsi->lanes = ctx->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 = mipi_dsi_attach(dsi); if (ret < 0) { -- 2.40.1