[Intel-gfx] i915 driver on Minnow board - 1920x1200 resolution not working

[Jani Nikula]

On Tue, 21 Jun 2016, vinoth eswaran <evinoth1206 at gmail.com> wrote:
> On Tue, Jun 21, 2016 at 11:35 AM, Jani Nikula
> <jani.nikula at linux.intel.com> wrote:
>> On Tue, 21 Jun 2016, vinoth eswaran <evinoth1206 at gmail.com> wrote:
>>> On Tue, Jun 21, 2016 at 10:17 AM, Jani Nikula
>>> <jani.nikula at linux.intel.com> wrote:
>>>> On Tue, 21 Jun 2016, vinoth eswaran <evinoth1206 at gmail.com> wrote:
>>>>> Hello,
>>>>>
>>>>> I am currently working on an embedded project using Minnowboard max. I
>>>>> have builded a customized Linux kernel-v4.4 and using u-boot (latest
>>>>> version) as Boot loader.
>>>>>
>>>>> The VESA driver in the u-boot takes more time to initialize,so I have
>>>>> disabled it. I am passing the kernel parameters "video=" to enable the
>>>>> HDMI port to which a monitor is connected.
>>>>
>>>> Is is a DVI display?
>>>        Its an LED Monitor - LG 24EB23.
>>> The monitor supports the HD resolution.
>>
>> How do you connect the display? Is it HDMI directly or using the DVI
>> connector?
>>
>    Sorry initially I got the question wrongly.
> Micro HDMI connector to the board and then HDMI-DVI cable to connect
> to the monitor.

Single link DVI is limited to 165 Mhz. It *might* work with CVT and
reduced blanking. Please try video=HDMI-A-1:1920x1200 at 60RMD as the mode.

I'm surprised the display doesn't report that via EDID to begin with;
what does it do without the video parameter on the command line?

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center