From patchwork Tue Feb 25 13:51:13 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Stein X-Patchwork-Id: 13990050 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 8E148C021B2 for ; Tue, 25 Feb 2025 13:51:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0CD5310E6A1; Tue, 25 Feb 2025 13:51:32 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=tq-group.com header.i=@tq-group.com header.b="Py8KP8U/"; dkim=fail reason="key not found in DNS" (0-bit key; unprotected) header.d=ew.tq-group.com header.i=@ew.tq-group.com header.b="WJCuAfYc"; dkim-atps=neutral Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by gabe.freedesktop.org (Postfix) with ESMTPS id 82E0010E6A1 for ; Tue, 25 Feb 2025 13:51:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1740491488; x=1772027488; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=dYiX75xSJOJS1ua83r/Eunzv7hMG47qKMH5+L5RwUPs=; b=Py8KP8U/iMw02YgM8RKYPXbxXcnCYvjfIFYkv1wkTD5ujsjbIFXcCS4Q U+cEe1/WqUoXxLo0wb0GrBIFKL7YmO5mmj6WJoKzDZnPpEEFP4ITwpQ6m 6w1WkDICEsRFrmUarvGDs3vP6f2mGECnbc/OR4qv7AmE2bn83FdJiAFnV qsAXW16D7X+LLg3ZC9y1h3gFS8i8wO9/L98Bir81SA5p/EdYCwueiy7Ab +BYxON67hSAjRv/t2SZKjHgoeeGts7WUyolLld98aCbp3WB3DuQYU9OFH C8CrXf1PcLySVS4h7h+Ge2TYmvyoOkrsEiEmrFF+bnwfmQU3+GpGdmrHd A==; X-CSE-ConnectionGUID: +6NoEAKjQ7u22+UvhNDcCA== X-CSE-MsgGUID: Y+HKcAbzTaCdTyxBF5x+Zw== X-IronPort-AV: E=Sophos;i="6.13,314,1732575600"; d="scan'208";a="42073734" Received: from vmailcow01.tq-net.de ([10.150.86.48]) by mx1.tq-group.com with ESMTP; 25 Feb 2025 14:51:23 +0100 X-CheckPoint: {67BDCADB-5-F75C4246-F0BD6D90} X-MAIL-CPID: 2E5FFFBDA898A28E5261FB1E4C0C4DEB_3 X-Control-Analysis: str=0001.0A00211D.67BDCADA.007D, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 26BB0160F35; Tue, 25 Feb 2025 14:51:15 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1740491478; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=dYiX75xSJOJS1ua83r/Eunzv7hMG47qKMH5+L5RwUPs=; b=WJCuAfYcPLdL14NIyuCFon/qmh/JkNCa+pAJM7DiRtmaO+2VICIajOFUBSQLxYroxa0bHv gu+jU+VTG1Thc2cbxsy0TDgw7UnOPp56xH+UZWhaKMx1DbMv2kW0O2yDxJr++5Trg/1oHJ QMxa9DLiqAP1l9cJSx5lZ5y3S4ZfB959wjO0lkGyvLzMLDgaE3lfsS0yWQyaks+1zpA4/2 CLcXioMh5fsk1V04+2NeHDKpiiWVALA1CC//MAjCwBHd68C7Io1ph3pUhrkcL7yUKfR2sC +9r6xpyLW5P38BmYjReVaSpDDBovCSZK42lRvWH3ryKmuYMtHETljSOtlRkXpQ== From: Alexander Stein To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Alexander Stein , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Herve Codina Subject: [PATCH 1/1] drm/bridge: ti-sn65dsi83: Support negative DE polarity Date: Tue, 25 Feb 2025 14:51:13 +0100 Message-ID: <20250225135114.801884-1-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Polarity for DE is stored in bridge state. Use this flag for setting the DE polarity in the bridge. Signed-off-by: Alexander Stein Reviewed-by: Dmitry Baryshkov Tested-by: Herve Codina --- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 54ad462d17ef7..95563aa1b450d 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -561,6 +561,8 @@ static void sn65dsi83_atomic_pre_enable(struct drm_bridge *bridge, REG_LVDS_FMT_HS_NEG_POLARITY : 0) | (mode->flags & DRM_MODE_FLAG_NVSYNC ? REG_LVDS_FMT_VS_NEG_POLARITY : 0); + val |= bridge_state->output_bus_cfg.flags & DRM_BUS_FLAG_DE_LOW ? + REG_LVDS_FMT_DE_NEG_POLARITY : 0; /* Set up bits-per-pixel, 18bpp or 24bpp. */ if (lvds_format_24bpp) {