Asking for Direction

[Josh Fuhs]

Thanks. I can confirm kernel 5.5rc7 improves things significantly. I'll post this to the various channels I've asked in.

Josh

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Friday, January 31, 2020 2:05 PM, Deucher, Alexander <Alexander.Deucher at amd.com> wrote:

> [AMD Official Use Only - Internal Distribution Only]
>
> Please make sure your kernel has this patch:
>
> commit 46203a508f64b4bfa150a9d25eab1dc891e7e650
> Author: Alex Deucher <alexander.deucher at amd.com>
> Date:   Tue Oct 29 17:14:15 2019 -0400
>
>     drm/amdgpu/gmc10: properly set BANK_SELECT and FRAGMENT_SIZE
>
>     These were not aligned for optimal performance for GPUVM.
>
>     Acked-by: Christian König <christian.koenig at amd.com>
>     Reviewed-by: Tianci Yin <tianci.yin at amd.com>
>     Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>
> Alex
>
> ---------------------------------------------------------------
>
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Josh Fuhs <Joshua.Fuhs at pm.me>
> Sent: Friday, January 31, 2020 12:48 PM
> To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
> Subject: Asking for Direction
>
> Hi all,
>
> I am trying to use a Radeon RX 5700XT via OpenCL with kernel 5.3.0 (I have also tried kernel 5.3.18) on Ubuntu 18.04. I have noticed that this combination is much slower than expected. I'm trying to find out why, and how to fix it.
>
> If I'm in the wrong place to ask, would you be able to point me in the right direction?
>
> If this is a known outstanding problem, a reference to a bug or something else that would let me dig into it would be great.
>
> Thanks
>
> Josh Fuhs
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