linux-kernel - Re: [PATCH] drm/tilcdc increase allowable supported resolution

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Message-ID: <CAF6AEGuE2MvN9SrO-R2_DnWtHtxwuFLwH6kUe4vrwcREsG5XDQ@mail.gmail.com>
Date:	Thu, 24 Apr 2014 16:51:04 -0400
From:	Rob Clark <robdclark@...il.com>
To:	Felipe Balbi <balbi@...com>
Cc:	David Airlie <airlied@...ux.ie>,
	"airlied@...hat.com" <airlied@...hat.com>,
	Benoit Parrot <bparrot@...com>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Darren Etheridge <detheridge@...com>
Subject: Re: [PATCH] drm/tilcdc increase allowable supported resolution

On Mon, Mar 3, 2014 at 2:08 PM, Felipe Balbi <balbi@...com> wrote:
> From: Darren Etheridge <detheridge@...com>
>
> 1680x1050 appears to also be within the bandwidth capabilities
> of the device and memory infrastructure.

For this one, is 1680x1050 possible on all devices w/ tilcdc (like 1st
gen beaglebone (white), etc)?  If not, maybe better to keep the
default conservative and override the default in devicetree..

BR,
-R

> Signed-off-by: Darren Etheridge <detheridge@...com>
> ---
>  drivers/gpu/drm/tilcdc/tilcdc_drv.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.h b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
> index 5bb64e3..b47ec24 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.h
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.h
> @@ -43,7 +43,7 @@
>   * with optimized DDR & EMIF settings tweaked 1920x1080@24 appears to
>   * be supportable
>   */
> -#define TILCDC_DEFAULT_MAX_BANDWIDTH  (1280*1024*60)
> +#define TILCDC_DEFAULT_MAX_BANDWIDTH  (1680*1050*60)
>
>
>  struct tilcdc_drm_private {
> --
> 1.9.0
>
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