From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7C95C39989B; Mon, 3 Aug 2026 06:43:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785739399; cv=none; b=EDqhSGoNhQn6LiCciN+I9exJSIAIUIBAW6SvvpE9lG+SairPmTbPrkp6jO+YZNE8h6HwPtC+5f/9cqa5l7WX8+P64BhQt1Qr+3BVq/owc2vg9w/OV6QGJcQ8HmtFQLmTDisDgh+WJkoOz5aWw0bSArfZMupJ8d0/Vfd7K/HVIzM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785739399; c=relaxed/simple; bh=Y+Z/xlL98udLKJBx7QdaDvxeqBtlSJyWxMBwJLQ4dXU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZrdyUiRlvvYImqaZY+a5bgggCbiZ9XhbDBi/ZcNNPa4YSYMFvkb9fb+BSIACraa8rLq9ZzIHYWzOvvOz/Lpfe5cUsSR+LtAOuHJpcy8u8djCSlob194bTdnQFkX4svnDyUwD/Uvpw5zFE0SPQPq6pp9eqjCCxcEfhdtTUqi5toc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LaVyvb0Y; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LaVyvb0Y" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 861D21F000E9; Mon, 3 Aug 2026 06:43:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785739396; bh=8+nAouAuXvyDU7VJvvOC4UNpwl9RZe5dgUCmC2jZ2gU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=LaVyvb0YDuH5TbAn6LmrElxm4p+Hrw1lOsUoVhA/jFTQzBFWDLiVJ76SqIm4oUDop jp8CSX0D9n1KhyuVzV8XXDac9IyDsfKu9hqrP0tAsW+AXX94WIlxGS/n+WITQglmqN dGITfFBDoIQ0xeKyfaR5Ip6Yq8BntywbLSsBH2OXbh2pI+7pH77t/pn81pXC1sOIb2 3T8PWFyaqem2M1U+I+s1iQtv9JZ3FTFQuWLW7pNQi9HpVgYz+HVqVJcQejbMECs+Nd 5pEx11UAlRvbbc6XUz3BQ6iR39hpvUs+H0Kfr7OfXCBMEw6Cyuox7sin4IJBOPGhTZ 75Yx8vd3zJ8lQ== Date: Mon, 3 Aug 2026 08:43:12 +0200 From: Krzysztof Kozlowski To: Yashas D Cc: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, luca.ceresoli@bootlin.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, tomi.valkeinen@ideasonboard.com, r-ravikumar@ti.com, sjakhade@cadence.com, yamonkar@cadence.com, u-kumar1@ti.com, devarsht@ti.com, s-jain1@ti.com, d-mittal@ti.com, b-padhi@ti.com Subject: Re: [PATCH v6 1/2] dt-bindings: display: bridge: cdns,mhdp8546: Add no-hpd property to the cadence bridge Message-ID: <20260803-obedient-truthful-centipede-4e5f1c@quoll> References: <20260802153825.1570435-1-y-d@ti.com> <20260802153825.1570435-2-y-d@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260802153825.1570435-2-y-d@ti.com> On Sun, Aug 02, 2026 at 09:08:24PM +0530, Yashas D wrote: > From: Rahul T R > > The mhdp bridge can work without its HPD pin hooked up to the connector, > but the current bridge driver throws an error when hpd line is not > connected to the connector. For such cases, we need an indication for > no-hpd, using which we can bypass the hpd detection and instead use the > auxiliary channels connected to the DP connector to confirm the > connection. > So add no-hpd property to the bindings, to disable hpd when not > connected or cannot be used for hotplug detection. > > Signed-off-by: Rahul T R > Signed-off-by: Jayesh Choudhary > Signed-off-by: Yashas D Acked-by: Krzysztof Kozlowski Best regards, Krzysztof