Overlay issues

[Cornij, Nikola]

[AMD Public Use]

Hi Simon,

Just to keep you updated, I've reproduced issue '[1] - Overlay plane: position not updated when CRTC_X is negative' on Ubuntu using IGT. Seems to happen only with smaller FBs (so far tried 24x24 and I can repro, but 300x300 is OK).

I'll look into fixing this.

Regards,

Nikola


-----Original Message-----
From: Cornij, Nikola 
Sent: Tuesday, December 8, 2020 4:11 PM
To: Simon Ser <contact at emersion.fr>
Cc: Alex Deucher <alexdeucher at gmail.com>; Kazlauskas, Nicholas <Nicholas.Kazlauskas at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Wentland, Harry <Harry.Wentland at amd.com>; amd-gfx list <amd-gfx at lists.freedesktop.org>
Subject: RE: [PATCH 2/2] drm/amd/display: add cursor pitch check

[AMD Public Use]

Very good, thanks!

I'll take a look at the overlay ones, then.

-----Original Message-----
From: Simon Ser <contact at emersion.fr>
Sent: Tuesday, December 8, 2020 7:00 AM
To: Cornij, Nikola <Nikola.Cornij at amd.com>
Cc: Alex Deucher <alexdeucher at gmail.com>; Kazlauskas, Nicholas <Nicholas.Kazlauskas at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Wentland, Harry <Harry.Wentland at amd.com>; amd-gfx list <amd-gfx at lists.freedesktop.org>
Subject: RE: [PATCH 2/2] drm/amd/display: add cursor pitch check

Hi Nikola,

On Tuesday, December 8th, 2020 at 2:36 AM, Cornij, Nikola <Nikola.Cornij at amd.com> wrote:

> [AMD Public Use]
>
> Hi Simon,
>
> It looks to me I'm kinda late to the party to look at your questions 
> under https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Farchives%2Famd-gfx%2F2020-November%2F056032.html&data=04%7C01%7CNikola.Cornij%40amd.com%7C6a860bd758d044c4a3bf08d89b70d628%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637430256236209108%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=T5ijUId6nrrKK3R7c62wVllZ1rEhKdmi95Foijvjf5M%3D&reserved=0...
>
> Does the commit below and
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flist
> s.freedesktop.org%2Farchives%2Famd-gfx%2F2020-December%2F057048.html&data=04%7C01%7CNikola.Cornij%40amd.com%7C6a860bd758d044c4a3bf08d89b70d628%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637430256236209108%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=6GKjptsf0S%2FWzg9CwSnp89EkaQoMxgyq9JvVcVhJIyU%3D&reserved=0 mean the above issue is now on its way to resolution?

Yes, I've figured everything out about the cursor, thanks!

If you have time, another thing I need feedback about is overlay planes. I have some bug reports [1] [2] about corruption when using a small 24x24 buffer near the edges of the screen. However everything works fine with a bigger 256x256 buffer. Is there a minimum buffer size for the overlay plane?

Simon

[1]: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.freedesktop.org%2Fdrm%2Famd%2F-%2Fissues%2F1385&data=04%7C01%7CNikola.Cornij%40amd.com%7C6a860bd758d044c4a3bf08d89b70d628%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637430256236209108%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=rXhMSAySLeVbVP7Pw6vw2B0%2BnrNcKqsveeFKRYMWNhE%3D&reserved=0
[2]: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.freedesktop.org%2Fdrm%2Famd%2F-%2Fissues%2F1386&data=04%7C01%7CNikola.Cornij%40amd.com%7C6a860bd758d044c4a3bf08d89b70d628%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637430256236209108%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=gD%2FTWuBAVM8AuEfbY7c6tp%2Byns6I6hd9SihTKrO4so0%3D&reserved=0