From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 B607228137D; Tue, 3 Jun 2025 08:33:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748939641; cv=none; b=BsenGov7+peL0Vh8ucASPk3ZVug7PJIYYWyn1BDz58cB9bWzO5DgNGAfHMuNphOFXz/jIQ41nRGncf0L0TNwRX7EsJ3mzelwH+YoH+RecAfUErtmMlnRjqMUJq0A8eBpPCzY8VqxMWSlcEfGyqeNQXVOZzXjhRXClB5nsaKKqws= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748939641; c=relaxed/simple; bh=6I08uDTKcAQGN/a1ejgxT2X3Yj5mTmjSPZuG++wTGII=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=D2xPatR5QFYtkHLeBMt7Md0PKT0QSjzjkC4vO2bXIUbQrGJmke31/4lp18V6gl4tJAyNCCl9SkKTHeAh5wzPC7BfGs7b7ygVt/980/1yIZ/ahR8cInNoj9uifHiA6hJYkyVozOeA5n+DGdFO64Q1yySRCA9tdp5xktlLlzX7gw4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=m5vEW+eC; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="m5vEW+eC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1748939640; x=1780475640; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=6I08uDTKcAQGN/a1ejgxT2X3Yj5mTmjSPZuG++wTGII=; b=m5vEW+eCEyFJPT4RpKYBMFC8RSnJmHTHQsthDrWC749C3djQVx780s0K 02/D4I6j6Si/2XzeVo8yePvCGirHIjcVcu2rw7KBqxhqJBPFp/abZQiSr kuUpNLwkvMT1a33JSDV8S9QoehPRbQuUheeiChd19mU3c6FcaqWWAl6ET rD3qG9W9ur/Qoaxj2AvvWooAiUIa+hSuzwZIJ8CQDNpoFF0zAVf8wGlif HgnuTg0B8G9aTg6HBTGHqk5oLY4lQUopNx9IE7lrrh9FolQ9z+dVbJeAd ixp+n5seficgFSWpKbnbiPN4VitlfKUmc0LhKbxzU6+svH4XRdCpUKd8c A==; X-CSE-ConnectionGUID: rZxcwEPETxaghYYC4lh9Ow== X-CSE-MsgGUID: Z9+Q1QQVQI+tZqEbpMu2cg== X-IronPort-AV: E=McAfee;i="6700,10204,11451"; a="73501160" X-IronPort-AV: E=Sophos;i="6.16,205,1744095600"; d="scan'208";a="73501160" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2025 01:33:59 -0700 X-CSE-ConnectionGUID: q/EF/En/TSSgP7GHtoFsaA== X-CSE-MsgGUID: zq5IgQeSQGGApg3ljPIyOQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,205,1744095600"; d="scan'208";a="145285714" Received: from smile.fi.intel.com ([10.237.72.52]) by fmviesa010.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jun 2025 01:33:56 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.98.2) (envelope-from ) id 1uMN5l-000000035SG-43gV; Tue, 03 Jun 2025 11:33:53 +0300 Date: Tue, 3 Jun 2025 11:33:53 +0300 From: Andy Shevchenko To: Aditya Garg Cc: agski33 , "linux-input@vger.kernel.org" , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , dmaengine@vger.kernel.org, Linux Kernel Mailing List , Heiner Kallweit , Vinod Koul , Benjamin Tissoires Subject: Re: [REGRESSION] Re: ELAN1206 Touchpad Bugzilla 219799 Message-ID: References: Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo On Mon, Jun 02, 2025 at 11:37:21PM +0530, Aditya Garg wrote: > On 02-06-2025 11:35 pm, Aditya Garg wrote: > > On 28-05-2025 07:44 pm, agski33 wrote: ... > >> I am currently experiencing the issue that was previously reported in the > >> following BugZilla > >> entry: https://bugzilla.kernel.org/show_bug.cgi?id=219799.  I noticed that > >> the bug was marked as NEEDINFO so I attempted to fill in the relevant > >> information. > >> > >>  From my testing, it seems like IDMA transfers relating to the touchpad > >> input are taking too long and causing timeouts within hid-multitouch.   Is touchpad interface is I²C? > >> I contacted ASUS in an attempt to obtain information relating to the > >> workings of the touchpad that may assist with this issue, however I > >> believe it is unlikely that I will be able to obtain anything useful from > >> them. > >> > >> I am wondering if anyone has any additional suggestions for next debugging > >> steps or things that I may try - would be happy to provide any additional > >> information or do additional debugging etc. > >> > >> System Details: > >> Device: ASUS Q528EH with ELAN1206 Touchpad > >> Kernel versions: 6.9-rc6 is where the issue starts, persists through all > >> kernel versions after including latest. > >> Symptoms: Touchpad cursor will not move.   > >>  Additional Observations: Something of potential interest that I noticed > >> was that it appeared the touchpad is sending data byte by byte when doing > >> an IDMA transfer, not sure if that is normal or not. > >> > >> Any suggestions for next steps are appreciated!  Thank you in advance for your time and input. > > > > Looking at https://bugzilla.kernel.org/show_bug.cgi?id=219799#c2, dd4478d63b6a2b6891fcc1800eb26ce3f1ead1d4 > > seems to be the patch causing regression. > > My bad, its 9140ce47872bfd89fca888c2f992faa51d20c2bc, the mailing list link is correct though. It doesn't matter, the patch is technically correct — we do not serve the spurious (not ours) interrupts. > > https://lore.kernel.org/lkml/20240321120453.1360138-1-andriy.shevchenko@linux.intel.com/ > > > > Ccing relevant folks here. -- With Best Regards, Andy Shevchenko