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#1 2022-04-09 15:44:01

Eirikr1848
Member
Registered: 2022-04-09
Posts: 2

Gallium i915G driver missing from Testing

The 21.x driver only provides legacy i915 driver support with OpenGL 1.4.

I prioritized the testing repos to try to get Mesa 22.0 -- and it seems that i915g is missing yet again.

Crocus is great for the Intel 965 and above iGPUs, but the new Gallium i915G driver brings OpenGL 2.1 support to the 915GM platforms along with improved performance. (Crocus does not work with the "smaller number" GPUs)

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For reference, 22.0 and the i915G driver worked find with the Debian repos, so I'm thinking its just not included with the meson_options.txt for whomever is compiling the driver here.

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#2 2022-04-10 09:18:50

abaumann
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From: Zurich
Registered: 2019-11-14
Posts: 810
Website

Re: Gallium i915G driver missing from Testing

Some time I ago I had to disable some software rendering due to AVX (https://bugs.archlinux32.org/index.php? … task_id=39),
but actually I kept the gallium drivers (at least for pentium4). Maybe this broke also something else..
mesa 22.0 is extremely unstable for me also on 64-bit Arch (I get constant freezes and segfaults).. (Intel Corporation Mobile GM965/GL960)
I'm not thrilled at all at the moment and downgraded mesa to 21.0 on my daily driver machine.

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#3 2022-04-12 10:25:13

Eirikr1848
Member
Registered: 2022-04-09
Posts: 2

Re: Gallium i915G driver missing from Testing

abaumann wrote:

Some time I ago I had to disable some software rendering due to AVX (https://bugs.archlinux32.org/index.php? … task_id=39),
but actually I kept the gallium drivers (at least for pentium4). Maybe this broke also something else..
mesa 22.0 is extremely unstable for me also on 64-bit Arch (I get constant freezes and segfaults).. (Intel Corporation Mobile GM965/GL960)
I'm not thrilled at all at the moment and downgraded mesa to 21.0 on my daily driver machine.

This is understanable. I also have Arch 64 and Manjaro (64) along with Mint LMDE (64) on a Dell D630 with the same GPU as you (GM965).

I noticed that using llvm-14 on Manjaro results in a much more stable system for some reason with Crocus.

This is anecdotal of course. But if there is anything you'd like me to build and test and submit results to you, please let me know. Gladly willing to test!

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#4 2022-04-24 14:19:40

abaumann
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From: Zurich
Registered: 2019-11-14
Posts: 810
Website

Re: Gallium i915G driver missing from Testing

I had all gallium drivers disabled in mesa, I reworked it now, but the the reason for not supporting i915 go deeper
(see https://bugs.freedesktop.org/show_bug.cgi?id=93089)

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