Bogus video resolution in Linux 3.5-rc4

[Adam Jackson]

On 6/26/12 3:21 AM, Takashi Iwai wrote:

> From: Takashi Iwai <tiwai at suse.de>
> Subject: [PATCH] drm: edid: Don't add inferred modes with higher resolution
>
> When a monitor EDID doesn't give the preferred bit, driver assumes
> that the mode with the higest resolution and rate is the preferred
> mode.  Meanwhile the recent changes for allowing more modes in the
> GFT/CVT ranges give actually more modes, and some modes may be over
> the native size.  Thus such a mode would be picked up as the preferred
> mode although it's no native resolution.
>
> For avoiding such a problem, this patch limits the addition of
> inferred modes by checking not to be greater than other modes.
> Also, it checks the duplicated mode entry at the same time.

This is a little aggressive on CRTs, but whatever, better than what's there.

Reviewed-by: Adam Jackson <ajax at redhat.com>

- ajax