Enhance EDID quirks to allow forcing a mode

[Alex Deucher]

On Thu, Mar 21, 2013 at 5:42 PM, Dylan Semler <dylan.semler at gmail.com> wrote:
> Oops.  I neglected to preface this with my motivation:  I have a new monitor
> that doesn't report its native resolution in its EDID block.  It seemed to
> me
> this calls for an EDID quirk, but the current quirk infrastructure doesn't
> allow explicitly creating new modes.  So I set out to make a simple
> enhancement
> to allow specifying a new mode and then setting it as preferred.
>

That's odd.  Maybe it's actually in an extension block or something like that?

>
>
> On Thu, Mar 21, 2013 at 5:36 PM, Dylan Semler <dylan.semler at gmail.com>
> wrote:
>>
>> The idea is setup a new quirk list with width, height, and refresh rates
>> for
>> each monitor that needs this quirk.  If a monitor is attached that matches
>> one
>> in this list, the full modeline is calculated with drm_gtf_mode, the
>> DRM_MODE_TYPE_PREFERRED bit is set, and the new mode is added to the
>> connector.
>>
>> The patch also creates a new quirk bit:  EDID_QUIRK_FORCE_MODE.  This bit
>> needs
>> to be set for the new quirk list discribed above to be checked.
>>
>> The first patch enhances the quirk logic as described above.  The second
>> one
>> adds my new monitor to the quirk lists.
>
>
>
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