From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 71CAF368279 for ; Wed, 18 Mar 2026 07:38:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773819490; cv=none; b=DPfj6uaKdg2fAQ15usKjS1cO4D/WZgmMG4achiDjhpwUjdDv6n+Omc8BbEwJ2748N67Vk5xRcisaxrltdv3i2NKJyta2GrmdoEp1JPk3lkONMR/TMRsaXw3c/1m4bg/EdFHHsYBvTvlEbj3udLsVekiW6RA8bEj6u1f9RUzoivE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773819490; c=relaxed/simple; bh=JfTkFXIQ5WGeAo/AofWhbulGErDJTUUtQC20R781hJM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kDyeOYW8eaKDqEiCT9iEs9jmHEd9pJv1JPasfHIKTeOagf4+BLqtxfr0JveLECf9GjZf7MyMs1Kyw2P3ASdUZirH4axJCZInW74SCW2P/AF4O9WtF2Bqzzh2ug2ShMOrKfXlhCIT7LzLWbhFvVeje0+dXDHTxQ1+5P0IFjBSnSk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=YKKh0Zp4; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="YKKh0Zp4" Received: from francesco-nb (93-33-2-132.ip42.fastwebnet.it [93.33.2.132]) by mail11.truemail.it (Postfix) with ESMTPA id 92A8723F74; Wed, 18 Mar 2026 08:37:58 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1773819479; bh=lZbrfKSUBZ3lZubyaklH+7B9Co6uqKT7/tKcqtr1ovA=; h=From:To:Subject; b=YKKh0Zp4DAWzAoJTAdNEdv2kO9e4Gv/4hlLKXsvcMZiHlixAysSDutuQgh9ssdQHc xdp+VEJ/ZdREOWTkQu4/gy+217fgZHRj7i+LR/UL0G//10UL0O7z67wFqN6huBgW/D /bECS0TYlIzQA7CdbPIVFn12yBmXLm3ILJTCeE5o888CAWD9TvzhhVdZZHT5Cm4F/N GJ9zWNlaeEHPpX3SUyJTpZfW1Vy6/AXd8pqLLdmvjQXHu9vf/LQ6YiYcLmXhkapfrr kjW9Jv+bxUta84VWSaTRI2ucGBv5xWiNUneuh5rIFea/G5JbVwEbz42Sztbg3CfEUE 5F5vufUxAkWAA== Date: Wed, 18 Mar 2026 08:37:54 +0100 From: Francesco Dolcini To: Greg Kroah-Hartman Cc: stable@vger.kernel.org, patches@lists.linux.dev, Franz Schnyder , Douglas Anderson Subject: Re: [PATCH 6.18 190/333] drm/bridge: ti-sn65dsi86: Enable HPD polling if IRQ is not used Message-ID: <20260318073754.GA13812@francesco-nb> References: <20260317162959.345812316@linuxfoundation.org> <20260317163006.402839129@linuxfoundation.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260317163006.402839129@linuxfoundation.org> Hello Greg, On Tue, Mar 17, 2026 at 05:33:39PM +0100, Greg Kroah-Hartman wrote: > 6.18-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Franz Schnyder > > commit 0b87d51690dd5131cbe9fbd23746b037aab89815 upstream. > > Fallback to polling to detect hotplug events on systems without > interrupts. > > On systems where the interrupt line of the bridge is not connected, > the bridge cannot notify hotplug events. Only add the > DRM_BRIDGE_OP_HPD flag if an interrupt has been registered > otherwise remain in polling mode. > > Fixes: 55e8ff842051 ("drm/bridge: ti-sn65dsi86: Add HPD for DisplayPort connector type") > Cc: stable@vger.kernel.org # 6.16: 9133bc3f0564: drm/bridge: ti-sn65dsi86: Add > Signed-off-by: Franz Schnyder > Reviewed-by: Douglas Anderson > [dianders: Adjusted Fixes/stable line based on discussion] > Signed-off-by: Douglas Anderson > Link: https://patch.msgid.link/20260206123758.374555-1-fra.schnyder@gmail.com > Signed-off-by: Greg Kroah-Hartman Please queue also commit 9133bc3f0564 ("drm/bridge: ti-sn65dsi86: Add support for DisplayPort mode with HPD"), it is a pre-requisite for this one. Francesco