Thomas, Jocelyn,
I just thought I'd let you know that it occurred to me that, now I
understood the workings of the mgag200 module better, I might be
able to get an even higher screen resolution than before.
So I relaxed the limits of this chip that returns unique_rev_id=1 to be
those that would
Jocelyn, Thomas,
Jocelyn, your patch works perfectly - thank you.
May I leave it to the two of you to decide what should happen about
propagating this patch ? (I have set out my user's point of view about
it in my email of Fri, 28 Jul 2023 10:11:00 +0100, but obviously my
opinion is not binding
Jocelyn, Thomas,
JF> I think the culprit is probably this patch:
JF> https://patchwork.freedesktop.org/patch/486242/
JF>
JF> before this patch,
JF> mgag200_simple_display_pipe_mode_valid() always return MODE_OK
JF>
JF> after this patch, it checks the bandwidth limit too.
I can easily test thi
Thomas, Jocelyn,
As a result of the collection of the Xorg logs requested by Thomas, I've
realised that at some long-past point upgrade the 1440x900@60 mode
disappeared, and in order to get it back I introduced the file
/etc/X11/xorg.conf.d/20-screen.conf attached.
If I remove this file, then wi
Thomas,
> Could you provide us with the Xorg logs from /var/log/Xorg.0.log ,
> please?
>
> Specifically, I'd be interested in different logs from combinations of
> the old and new kernel and the old and new userspace.
I've managed to do six of the eight possible combinations of kernel,
mgag200
Jocelyn,
>> How can I check for sure whether I am using 24 or 32 bits per pixel
>> ?
>
> The easiest solution if you already rebuilt your kernel is to print
> the variable bpp here:
>
> https://elixir.bootlin.com/linux/latest/source/drivers/gpu/drm/mgag200/mgag200_mode.c#L326
>
> pr_info("mga
Thomas,
Thank you for your reply.
>> Table 10 in the following document says that 1440x900@60Hz is
>> supported:
>> https://www.intel.com/content/dam/support/us/en/documents/motherboards/server/s5520ur/sb/e44031012_s5520ur_s5520urt_tps_r1_9.pdf
>
> That manual says that the resolution is only
Thomas,
Hello, I'm the user who reported the issue. Definitely happy to help you
sort this out if I can, though my response speed will decrease when term
restarts in October.
> I'd be interested in the exact model and the unique_rev_id
> (you said A, rev1 ?)
The machine is an Intel SR1625URR
