Re: [PATCH 3/3] drm/msm: Add A6XX device support

From: Viresh Kumar <viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Jordan Crouse <jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: nm-l0cyMroinI0@public.gmane.org,
	linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	vireshk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: Re: [PATCH 3/3] drm/msm: Add A6XX device support
Date: Mon, 5 Mar 2018 10:09:38 +0530	[thread overview]
Message-ID: <20180305043938.GB23018@vireshk-i7> (raw)
In-Reply-To: <20180302214329.1086-4-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>

On 02-03-18, 14:43, Jordan Crouse wrote:
> +static int a6xx_gmu_build_freq_table(struct device *dev, unsigned long *freqs,
> +		u32 size)
> +{
> +	int count = dev_pm_opp_get_opp_count(dev);
> +	struct dev_pm_opp *opp;
> +	int i, index = 0;
> +	unsigned long freq = 1;
> +
> +	/*
> +	 * The OPP table doesn't contain the "off" frequency level so we need to
> +	 * add 1 to the table size to account for it
> +	 */
> +
> +	if (WARN(count + 1 > size,
> +		"The GMU frequency table is being truncated\n"))
> +		count = size - 1;
> +
> +	/* Set the "off" frequency */
> +	freqs[index++] = 0;
> +
> +	for (i = 0; i < count; i++) {
> +		opp = dev_pm_opp_find_freq_ceil(dev, &freq);
> +		if (IS_ERR(opp))
> +			break;
> +
> +		freqs[index++] = freq++;

	dev_pm_opp_put(opp) ?

> +	}
> +
> +	return index;
> +}
> +
-- 
viresh
_______________________________________________
Freedreno mailing list
Freedreno@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/freedreno