From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56204 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753180AbcHRJPK (ORCPT ); Thu, 18 Aug 2016 05:15:10 -0400 Subject: Patch "[media] sur40: lower poll interval to fix occasional FPS drops to ~56 FPS" has been added to the 4.7-stable tree To: floe@butterbrot.org, gregkh@linuxfoundation.org, hans.verkuil@cisco.com, mchehab@s-opensource.com, modin@yuri.at Cc: , From: Date: Thu, 18 Aug 2016 11:11:26 +0200 Message-ID: <14715114866926@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled [media] sur40: lower poll interval to fix occasional FPS drops to ~56 FPS to the 4.7-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: sur40-lower-poll-interval-to-fix-occasional-fps-drops-to-56-fps.patch and it can be found in the queue-4.7 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From af766ee005c496b8567976dc3eed7676443ed6de Mon Sep 17 00:00:00 2001 From: Florian Echtler Date: Tue, 31 May 2016 17:15:32 -0300 Subject: [media] sur40: lower poll interval to fix occasional FPS drops to ~56 FPS From: Florian Echtler commit af766ee005c496b8567976dc3eed7676443ed6de upstream. The framerate sometimes drops below 60 Hz if the poll interval is too high. Lowering it to the minimum of 1 ms fixes this. Signed-off-by: Martin Kaltenbrunner Signed-off-by: Florian Echtler Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/input/touchscreen/sur40.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -126,7 +126,7 @@ struct sur40_image_header { #define VIDEO_PACKET_SIZE 16384 /* polling interval (ms) */ -#define POLL_INTERVAL 4 +#define POLL_INTERVAL 1 /* maximum number of contacts FIXME: this is a guess? */ #define MAX_CONTACTS 64 Patches currently in stable-queue which might be from floe@butterbrot.org are queue-4.7/sur40-fix-occasional-oopses-on-device-close.patch queue-4.7/sur40-lower-poll-interval-to-fix-occasional-fps-drops-to-56-fps.patch