From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id D6EB6E008AA; Tue, 2 Dec 2014 07:05:31 -0800 (PST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low * trust * [209.85.192.174 listed in list.dnswl.org] * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from mail-pd0-f174.google.com (mail-pd0-f174.google.com [209.85.192.174]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id BE157E0080C for ; Tue, 2 Dec 2014 07:05:19 -0800 (PST) Received: by mail-pd0-f174.google.com with SMTP id w10so13338705pde.33 for ; Tue, 02 Dec 2014 07:05:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=vciBlzRAi9afVNqdvgMJL/NZvNwN07DFa9WgwaDOOUo=; b=bHpVNUB9+fpkAk6zn1M28pxayO2QTpdKWAFAOf1ECAFfRDGN1wb1oDf2Rs/Dm9poxC 6LFCtXwBoVf4XPagwR9y/K3ngQx3G83a/rRZrx3gjZNIomhqNBCiCTbC4RfDEzm5PFXx qVxb3pJ85IWehurql4YQwm719pyf4fAUvHAZZJmDDjhD6pFDDUwhAyjkPN3dXmj7c4+w MrtISOL6S9eT+K8nr3QVBgf+gKIN+WvFGr5+Za0cOtWI/hlCZXP4+9lVsGPtBNZ6Krw3 4P/G1NTo8Vauxii5MM6zCjVyhvOa24m7LlWQtbr7NTnVUZCGrAfqKuBXLw/xpbL3GgB5 69ww== X-Gm-Message-State: ALoCoQllCuwoZEi8T6umF7bDt2ZZZOe4LL877a/03vFysnzHRYwSpwIRLxSPcG117FJe6LzoT2I5 X-Received: by 10.70.88.139 with SMTP id bg11mr112019418pdb.167.1417532718456; Tue, 02 Dec 2014 07:05:18 -0800 (PST) Received: from [192.168.1.3] (ip98-165-98-97.ph.ph.cox.net. [98.165.98.97]) by mx.google.com with ESMTPSA id d6sm20632856pdn.40.2014.12.02.07.05.15 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Dec 2014 07:05:17 -0800 (PST) Message-ID: <547DD52A.8090504@boundarydevices.com> Date: Tue, 02 Dec 2014 08:05:14 -0700 From: Eric Nelson User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Gary Bisson , meta-freescale@yoctoproject.org References: <547D3D8C.5010707@gmail.com> In-Reply-To: <547D3D8C.5010707@gmail.com> Cc: fabio.estevam@freescale.com Subject: Re: Patch submission to Freescale kernel X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Dec 2014 15:05:31 -0000 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Hi Gary, On 12/01/2014 09:18 PM, Gary Bisson wrote: > Hi, > > I was wondering what was the procedure to submit a patch to the > Freescale maintained kernel: > http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/ > > I've just made a patch that fixes the display issue for rev T1.0 of the > SoC which has been previously reported: > https://lists.yoctoproject.org/pipermail/meta-freescale/2014-May/008553.html > > "mxc_sdc_fb fb.27: timeout when waiting for flip irq" > > Then, I'd like to send that patch over to the fslc and mainline kernels > as they seem to have the issue by checking their source code. > Cool! That discussion on i.MX Community ended with the realization that the issue was specific to TO 1.0 silicon. Are you running on that silicon version? (this is shown in the first few lines of U-Boot output) > Regarding the mainline kernel, I can't seem to get the HDMI (on > nitrogen6x) to work at all no matter which revision/board I use. Looking > into the source code I've seen the evolution of the > drivers/staging/imx-drm driver which tends to say that HDMI is > supported. If so, would anyone have some insights on which command line > to pass the kernel in order to get the mainline kernel to recognize the > HDMI display properly. So far the init seems to be fine but fb0 sysfs > modes is just rubbish. > [ 1.863506] imx-drm display-subsystem: bound imx-ipuv3-crtc.0 (ops > ipu_crtc_ops) > [ 1.863719] imx-drm display-subsystem: bound imx-ipuv3-crtc.1 (ops > ipu_crtc_ops) > [ 1.863955] imx-drm display-subsystem: bound imx-ipuv3-crtc.4 (ops > ipu_crtc_ops) > [ 1.864168] imx-drm display-subsystem: bound imx-ipuv3-crtc.5 (ops > ipu_crtc_ops) > [ 1.867758] imx-hdmi 120000.hdmi: Detected HDMI controller > 0x13:0xa:0xa0:0xc1 > [ 1.868066] imx-drm display-subsystem: bound 120000.hdmi (ops hdmi_ops) > [ 1.868537] imx-drm display-subsystem: bound > 2000000.aips-bus:ldb@020e0008 (ops imx_ldb_ops) > Hmmm. This worked for me the last time I checked (using Shawn's tree). I'll double check and report back. Regards, Eric