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 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 BA81AC27C5E for ; Mon, 10 Jun 2024 12:48:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8P8EuJktGXYws9CN8/A3l3jiIHnoAFaVyvt6/pVuTvQ=; b=vEfDWDQ2pR2MrS xhsYZ2jhdtVvEhj9QwqL5WksJvI3cpXhMdhnieUSIJn3IQ1Zmcg6aH57yAfgsyzOKhAUQ7fOkSxBB q2/uMkY/BL6tkQ0tnM5yrgm4saiuQl5qCKFnqJyP3fow4pgeOwmymwgsPXg7oaC5dxduxy9F2rBF8 TuW1ZUv/lSYi4/uTRGEL/EDXgtJcPoKMT93pD7wfzd/uHjdwP+IEWr+fKN+dm4dYIStev/0KJVZ9s LwI0MtGBObvsxHrYz0HG5/UlxF83Uvduhij78wEn62GRBqQs7zTNePJ+JJUaSm6HG8zqNYfcaGHpk yYV8eSvacChtqUAO6A5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGeRK-000000053RD-1rdG; Mon, 10 Jun 2024 12:47:58 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGeRI-000000053PW-0Ybv; Mon, 10 Jun 2024 12:47:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:Content-Transfer-Encoding :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=PDcW4ddFM25iBuaw9WBcfANhoUIp0ZmdMGL6/1A9MuI=; b=VDP7Pa8yRDVENtZ6ort332sPJY xENPWswThgWVuIyVeUTSkbi7Ezsnhy50khi5ozA31ty9WeosuTFzKhWrPV8dproajadt+rSqdTm3m N/9yNUzJ6Bc5HI+/qO6o49WH1VCEg6cR798YJvB0Ofa032H3OPswNo9MTlvqR8fc76B6dkpT8akMc codod0YYw5Jz0K6IJ9CmWk6eQzYjKVDFMbyFo4224hGOcFJBN1ieM4cI/FJIooC1opOEes5JCtrgC rsJPv2V1XjdXQbwNz5yAPguw3nsCQ5ow+5iiVwL3rDRoaYABvisBH/wZHa/I1Pml4ZwrNxkpNCAvM KdbvUbVA==; Received: from gloria.sntech.de ([185.11.138.130]) by desiato.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGeRB-00000001QTf-2Ju5; Mon, 10 Jun 2024 12:47:54 +0000 Received: from i53875b65.versanet.de ([83.135.91.101] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sGeQw-0005xB-GD; Mon, 10 Jun 2024 14:47:34 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Andy Yan , Sandy Huang , Jingoo Han , Inki Dae , Seung-Woo Kim , Kyungmin Park , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Lucas Stach Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org, kernel@pengutronix.de, patchwork-lst@pengutronix.de Subject: Re: [PATCH 00/14] improve Analogix DP AUX channel handling Date: Mon, 10 Jun 2024 14:47:33 +0200 Message-ID: <3604253.eFTFzoEnKi@diego> In-Reply-To: <20240503151129.3901815-1-l.stach@pengutronix.de> References: <20240503151129.3901815-1-l.stach@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240610_134753_011320_0A634253 X-CRM114-Status: GOOD ( 17.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am Freitag, 3. Mai 2024, 17:11:15 CEST schrieb Lucas Stach: > Currently the AUX channel support in the Analogix DP driver is severely > limited as the AUX block of the bridge is only initialized when the video > link is to be enabled. This is okay for the purposes of link training, > but does not allow to detect displays by probing for EDID. This series > reworks the driver to allow AUX transactions before the video link is > active. > > As this requires to rework some of the controller initialization and > also handling of both internal and external clocks, the series includes > quite a few changes to add better runtime PM handling. > > Lucas Stach (14): > drm/bridge: analogix_dp: remove unused platform power_on_end callback > drm/rockchip: analogix_dp: add runtime PM handling > drm/bridge: analogix_dp: register AUX bus after enabling runtime PM > drm/bridge: analogix_dp: handle clock via runtime PM > drm/bridge: analogix_dp: remove unused analogix_dp_remove > drm/bridge: analogix_dp: remove clk handling from > analogix_dp_set_bridge > drm/bridge: analogix_dp: move platform and PHY power handling into > runtime PM > drm/bridge: analogix_dp: move basic controller init into runtime PM > drm/bridge: analogix_dp: remove PLL lock check from > analogix_dp_config_video > drm/bridge: analogix_dp: move macro reset after link bandwidth setting > drm/bridge: analogix_dp: don't wait for PLL lock too early > drm/bridge: analogix_dp: simplify and correct PLL lock checks > drm/bridge: analogix_dp: only read AUX status when an error occured > drm/bridge: analogix_dp: handle AUX transfer timeouts my knowledge of Analgix-dp internals is limited, but at least both rk3288-veyron and rk3399 gru still had working displays with this series applied and both device classes using the analogix-dp for their main display. So on rk3288-veyron and rk3399-gru Tested-by: Heiko Stuebner _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel