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[173.10.76.58]) by mx.google.com with ESMTPSA id nb3sm23868741pdb.18.2014.12.03.11.07.38 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 03 Dec 2014 11:07:39 -0800 (PST) Message-ID: <547F5F7A.1060506@gmail.com> Date: Wed, 03 Dec 2014 11:07:38 -0800 From: Gary Bisson User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.2.0 MIME-Version: 1.0 To: Fabio Estevam References: <1417626447-17194-1-git-send-email-bisson.gary@gmail.com> <1417626447-17194-3-git-send-email-bisson.gary@gmail.com> In-Reply-To: Cc: "meta-freescale@yoctoproject.org" , Fabio Estevam , Otavio Salvador Subject: Re: [PATCH 2/2][dizzy-next] linux-imx: add clock patch for T1.0 version of i.MX6Q 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: Wed, 03 Dec 2014 19:07:46 -0000 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hi Fabio, On 12/03/2014 10:46 AM, Fabio Estevam wrote: > Hi Gary, > >> @@ -0,0 +1,33 @@ >> +From ffcd8b98f6ba3a2b7a4aecc1e5e454de5fa5c4c3 Mon Sep 17 00:00:00 2001 >> +From: Gary Bisson >> +Date: Tue, 2 Dec 2014 22:11:14 -0800 >> +Subject: [PATCH] ARM: clk-imx6q: fix video divider for revision 1.0 of i.MX6q >> + >> +As post dividers do not work on i.MX6Q revision 1.0 they must be fixed >> +to 1. As the table index was wrong, a divider a of 4 could still be >> +requested which implied the clock not to be set properly. This is the >> +root cause of the HDMI not working at high resolution on T1.0 version of >> +the SoC, giving the following error: >> +mxc_sdc_fb fb.27: timeout when waiting for flip irq >> + >> +Signed-off-by: Gary Bisson >> +--- >> + arch/arm/mach-imx/clk-imx6q.c | 2 +- >> + 1 file changed, 1 insertion(+), 1 deletion(-) >> + >> +diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c >> +index e09b1e8..1e5c410 100644 >> +--- a/arch/arm/mach-imx/clk-imx6q.c >> ++++ b/arch/arm/mach-imx/clk-imx6q.c >> +@@ -279,7 +279,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) >> + post_div_table[1].div = 1; >> + post_div_table[2].div = 1; >> + video_div_table[1].div = 1; >> +- video_div_table[2].div = 1; >> ++ video_div_table[3].div = 1; > Could you please fix the mainline kernel and send a patch to the > linux-arm-kernel mailing list? > > Please also Cc shawn.guo@linaro.org. > > Regards, > > Fabio Estevam > > Thanks As explained on my coverletter, this patch fixes HDMI up to 1080p30 but doesn't work on 1080p60 which implies that I cannot really test it on mainline. I plan on working on this issue later this week and only then plan on submitting it to the mainline. Do you think it'd be better to add this one first today and later on add the one that allows the testing? Thanks, Gary