[U-Boot] [PATCH] video: cfb_console: flush dcache for frame buffer in DRAM

[Mike Frysinger <vapier@gentoo.org>]

On Saturday 28 April 2012 11:04:07 Anatolij Gustschin wrote:
> +static int cfb_fb_is_in_dram(void)
> +{
> +	bd_t *bd = gd->bd;
> +	ulong start, end;
> +	int i;
> +
> +	for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
> +#if defined(CONFIG_ARM) || defined(CONFIG_AVR32) || defined(COFNIG_NDS32)
> || \ +defined(CONFIG_SANDBOX) || defined(CONFIG_X86)
> +		start = bd->bi_dram[i].start;
> +		end = bd->bi_dram[i].start + bd->bi_dram[i].size - 1;
> +#else
> +		start = bd->bi_memstart;
> +		end = bd->bi_memsize;
> +#endif
> +
> +		if ((ulong)video_fb_address >= start &&
> +		    (ulong)video_fb_address < end)
> +			return 1;
> +	}
> +	return 0;
> +}

is this necessary ?  the cache funcs should take care of this automatically.
-mike
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