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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3A46C43603 for ; Tue, 10 Dec 2019 21:10:18 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 718FF246BC for ; Tue, 10 Dec 2019 21:10:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SDQhQLF1"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="xHjbqSKY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 718FF246BC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=c+AYzCQd4KzZA2uv7QLT4vRT95UoZT8b06+2aDtdhQw=; b=SDQhQLF13uOIC9 yZ78lxwI7T7TTF6K0M28PeSElG/Z6lAFCTsSC6FIfPaE0tiMT+/zL1GZEVrTxvp6ACqLYU5oHOk86 VWs1hMRFGchCIpJ7ycItADJfBYe01vZqHZU4EcBdDchjOdH+Y+ybZWTD/uItPOn9sxgixVbfYxhKb wttr9J8n6QERXTrSG8oshBaCOdl8jBEqLShqE5p74CJFfPXcwTBuVci4xCP5gI/3SFhDdVdwjzRuc gP+mnp5K2UpFdt1UTQZC67bs0U6izGf8YO2sq/g5dbcvdouViu/QBLp+VEXekxTSEz27gqiA/zQ+N +ca3obeiabZnuHwKRCJw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iemlr-000418-88; Tue, 10 Dec 2019 21:10:15 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iemlS-0002fI-5d for linux-arm-kernel@lists.infradead.org; Tue, 10 Dec 2019 21:09:52 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BBCD3246AC; Tue, 10 Dec 2019 21:09:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576012189; bh=p4Ouzi2dQxXDQpMa6jd+uJ+hILDlMBsHNOy9APzS59k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xHjbqSKYOiXcnpkoTKKJQU07CPOWVTvQCspubSXECTFO5SYGnDpbUOLfeQMCRq/id FvlkODOPlH0IMpD9Kcn14aZJF5BECQ003XT04kr8czD/aOrC+ZnaMvzoObJsxhtLc/ RbjIDD55rXE2RgrjCscwJBCgLXTVjNxnQ0IJRpYA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 145/350] media: aspeed: set hsync and vsync polarities to normal before starting mode detection Date: Tue, 10 Dec 2019 16:04:10 -0500 Message-Id: <20191210210735.9077-106-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210210735.9077-1-sashal@kernel.org> References: <20191210210735.9077-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191210_130950_293812_145426D5 X-CRM114-Status: UNSURE ( 9.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Jae Hyun Yoo , linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org, Eddie James , Mauro Carvalho Chehab , Hans Verkuil , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Jae Hyun Yoo [ Upstream commit 5b3f3c41c5c791c1c22cd91655e7ef4b2a1dff7c ] Sometimes it detects a weird resolution such as 1024x287 when the actual resolution is 1024x768. To resolve such an issue, this commit adds clearing for hsync and vsync polarity register bits at the beginning of the first mode detection. This is recommended in the datasheet. Signed-off-by: Jae Hyun Yoo Reviewed-by: Eddie James Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/platform/aspeed-video.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index eb12f37930629..84e0650106f51 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -741,6 +741,8 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) } set_bit(VIDEO_RES_DETECT, &video->flags); + aspeed_video_update(video, VE_CTRL, + VE_CTRL_VSYNC_POL | VE_CTRL_HSYNC_POL, 0); aspeed_video_enable_mode_detect(video); rc = wait_event_interruptible_timeout(video->wait, -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel