linux-kernel - Re: [PATCH 0/2] Panfrost devfreq and GEM status fixes

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Message-ID: <871c4b6d-fb37-41ae-9dcf-b98345e70c77@arm.com>
Date:   Thu, 30 Nov 2023 11:29:00 +0000
From:   Steven Price <steven.price@....com>
To:     Adrián Larumbe <adrian.larumbe@...labora.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Rob Herring <robh@...nel.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: Re: [PATCH 0/2] Panfrost devfreq and GEM status fixes

On 25/11/2023 20:52, Adrián Larumbe wrote:
> During recent development of the Mali CSF GPU Panthor driver, a user
> noticed that GPU frequency values as reported by fdinfo were
> incorrect. This was traced back to incorrect handling of frequency value
> updates. The same problem was seen in Panfrost.
> 
> Also one should consider GEM objects from a dma-buf import as being
> resident in system memory, so that this can be reflected on fdinfo.
> 
> Adrián Larumbe (2):
>   drm/panfrost: Consider dma-buf imported objects as resident
>   drm/panfrost: Fix incorrect updating of current device frequency
> 
>  drivers/gpu/drm/panfrost/panfrost_devfreq.c | 17 +++++++++++++++--
>  drivers/gpu/drm/panfrost/panfrost_gem.c     |  2 +-
>  2 files changed, 16 insertions(+), 3 deletions(-)
> 
> 
> base-commit: 38f922a563aac3148ac73e73689805917f034cb5

Pushed to drm-misc-fixes

Thanks,

Steve