linux-kernel - Re: [PATCH] drm/panfrost: Export all GPU feature registers

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Message-ID: <CAL_JsqLkxKe=feVQDb3VXqOnA7fvDBEKWgLf2suOHhNLnR704Q@mail.gmail.com>
Date:   Wed, 24 Jul 2019 10:27:03 -0600
From:   Rob Herring <robh@...nel.org>
To:     Steven Price <steven.price@....com>,
        Alyssa Rosenzweig <alyssa.rosenzweig@...labora.com>
Cc:     Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>
Subject: Re: [PATCH] drm/panfrost: Export all GPU feature registers

Adding Alyssa's Collabora email.

On Wed, Jul 24, 2019 at 4:56 AM Steven Price <steven.price@....com> wrote:
>
> Midgard/Bifrost GPUs have a bunch of feature registers providing details
> of what the hardware supports. Panfrost already reads these, this patch
> exports them all to user space so that the jobs created by the user space
> driver can be tuned for the particular hardware implementation.
>
> Signed-off-by: Steven Price <steven.price@....com>
> ---
>  drivers/gpu/drm/panfrost/panfrost_device.h |  1 +
>  drivers/gpu/drm/panfrost/panfrost_drv.c    | 38 +++++++++++++++++++--
>  drivers/gpu/drm/panfrost/panfrost_gpu.c    |  2 ++
>  include/uapi/drm/panfrost_drm.h            | 39 ++++++++++++++++++++++
>  4 files changed, 77 insertions(+), 3 deletions(-)

LGTM. I'll give it a bit more time to see if there are any comments
before I apply it.

Rob