status of MST ?

[Alex Deucher]

On Tue, Aug 2, 2016 at 11:15 AM, Kenneth Johansson <ken at kenjo.org> wrote:
> On 2016-08-01 18:25, Alex Deucher wrote:
>>
>> On Mon, Aug 1, 2016 at 12:17 PM, Kenneth Johansson <ken at kenjo.org> wrote:
>>>
>>> On 2016-08-01 17:12, Alex Deucher wrote:
>>>>
>>>> On Fri, Jul 29, 2016 at 8:51 AM, Kenneth Johansson <ken at kenjo.org>
>>>> wrote:
>>>>>
>>>>> I have a 30" Dell MST monitor and It only uses 30HZ refresh rate when I
>>>>> use
>>>>> my R9 card. both the open source driver and amdgpu-pro driver.
>>>>>
>>>>> Is there some way to make it work properly ?
>>>>>
>>>> It's hard to say what the problem might be without more information
>>>> about your monitor and setup.  File a bug and attach your xorg log and
>>>
>>>
>>> Sure. I was just wondering if it is supposed to work. No point filing
>>> bugs
>>> if it's not even supported.
>>
>> Yes, MST is supported with the newer DAL modesetting code that is in
>> the pro stack, but not yet upstream.
>>
>> Alex
>>
>
>
> So I retested the 16.30.3-306809 version of the amdgpu-pro on top of linux
> 4.4.0-33-generic from ubuntu.
>
> One thing could you have a version string or something printed when the
> module is loaded so its easy to see what module has been loaded. maybe even
> compile time to make it really clear. this is only needed when loading
> modules built manually. maybe the dkms system has some way to add defines
> when compiling so a time stamp can be added.
>
> I guess I get the "pro" version as I saw this line.
>
> [drm] DAL is enabled
>
> Do you also want the "pro" bug on bugs.freedesktop.org or do amd have
> another bug tracker for pro stuff.

Yes, you can use the the freedesktop bugzilla.

Alex

>
> I attach dmesg to this mail as I suspect there should the detection of MST
> be happening. the xorg log was over 1MB in size so I save it for the bug
> report.
>
>
>
>
>