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 C9B7CCD8CA7 for ; Mon, 8 Jun 2026 08:39:35 +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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=RiYoLQlRsrsoZ36QqCtmjqe+85uhgKpH5vf8lJm6pmQ=; b=Yd2N6U0M+1d/wB 1MvAAXG9y8YHBDdYM0aaP46voeK+kJQyI7WeZai5VJ0MP9kyjFBBxSV2e+Io8r6CruhLjCnE5Dnnh Xs3STVh9xLrlW82bM9i9r+ioRiCOK1CS9CkZapd0nysgWmWkkyMl+WMqp+Nwk7L92D6q2n4S1uq7L EgG4RCdHmMKcpXCpJkaPU8eJ63U1WN5bPEOxMCwwrI8x55H9s/hho87H6oDoJQHMpPKWC4ssEWReP tsifE3mQTlt8rXXSzKXJs23e9DOumms/5lDzUql/sd/605z29fUGu0JVFBWG33w7hXdEQcM30zmyz j9htsrABMf5R4ibLSplw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWVW2-000000036Hx-3hlw; Mon, 08 Jun 2026 08:39:26 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWVW0-000000036Fz-3A7e; Mon, 08 Jun 2026 08:39:26 +0000 Received: from francesco-nb (xcpe-178-82-120-96.dyn.res.sunrise.net [178.82.120.96]) by mail11.truemail.it (Postfix) with ESMTPA id CE9F41FC18; Mon, 8 Jun 2026 10:39:15 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1780907957; bh=z8UFPckcbkUDtOhYm05+yDC1pbRjWLGHos3Y900ReCg=; h=From:To:Subject; b=k0CkhSSuENH6FvKBjSYNZqeeBs0nsjwzBN7/rWsUL39SC6f99XSrqQBMKFB57XHrd 3I8h/qU+JaiL9PImIm+fRWgEURAlZsg+f6eiqkez2YVTzhHqLybK219HsDvkbDoqI3 dM4IMHjgbC49Y7YiW/j9OtVVLjStJ5biCTWGGtjXn9zPcit2UxxQjslLiDtDhtZmzZ WnS/Mwz1fHg9p3qzbaIODY+ZdLF/BHd/P7MLF2aAX0JID2Crf3q5aUUGWFvUbsd9pF mK+nMKrowzyVzDHOpjAZ3SxbAStwTG5WA+EKfecTWhcLrCP3Gi+iVMNM8iNungmUR7 MjXbLTJ+8CuiQ== Date: Mon, 8 Jun 2026 10:39:11 +0200 From: Francesco Dolcini To: Dmitry Baryshkov Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Heikki Krogerus , Greg Kroah-Hartman , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Adrien Grassein , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Tomi Valkeinen , Bjorn Andersson , Konrad Dybcio , Pengyu Luo , Nikita Travkin , Yongxing Mou , Luca Ceresoli , Francesco Dolcini , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org Subject: Re: [PATCH v4 4/8] drm/bridge: pass extra events to the HPD callback Message-ID: <20260608083911.GA35760@francesco-nb> References: <20260608-hpd-irq-events-v4-0-30b62b335487@oss.qualcomm.com> <20260608-hpd-irq-events-v4-4-30b62b335487@oss.qualcomm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260608-hpd-irq-events-v4-4-30b62b335487@oss.qualcomm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260608_013924_974123_FBE6E113 X-CRM114-Status: UNSURE ( 9.60 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@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-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On Mon, Jun 08, 2026 at 12:33:05AM +0300, Dmitry Baryshkov wrote: > The DisplayPort standard defines a special kind of HPD events called > IRQ_HPD. These events are used to notify DP Source about the events on > the Sink side. > > Bridge drivers report these events through the > drm_bridge_hpd_notify_extra(). Pass down the extra status to the HPD > callback, specified during the drm_bridge_hpd_enable(), letting > underlying drivers (e.g. drm_bridge_connector) to receive these events. > > Signed-off-by: Dmitry Baryshkov Acked-by: Francesco Dolcini # lt8912b _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic