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Date: Mon, 9 Jun 2014 14:13:18 -0400 From: Rob Clark <robdclark@...il.com> To: Stephen Boyd <sboyd@...eaurora.org> Cc: Stephane Viau <sviau@...eaurora.org>, "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>, linux-arm-msm@...r.kernel.org, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] drm/msm/hdmi: set hdp clock rate before prepare_enable call On Mon, Jun 9, 2014 at 1:56 PM, Stephen Boyd <sboyd@...eaurora.org> wrote: > On 06/06/14 07:03, Stephane Viau wrote: >> The clock driver usually complains when a clock is being prepared >> before setting its rate. It is the case here for "core_clk" which >> needs to be set at 19.2 MHz before we attempt a prepare_enable(). > > That's only true in the downstream vendor kernel. Upstream we detect all > rates when clocks are registered. Given that 19.2Mhz is the default rate > out of reset for this clock this patch is fairly useless. > well, I've got this patch (with a slight tweak) queued up already.. I'm tempted to keep it, unless downstream kernel can be fixed, just to make it easier to sync things back to downstream kernel.. BR, -R > -- > Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, > hosted by The Linux Foundation > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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