linux-kernel - Re: [PATCH 0/5] lib: devres: Add managed helpers for write-combine setup

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Message-ID: <9e5e73d1-bb7b-055f-8c48-a877a2e9c0fd@redhat.com>
Date:   Fri, 17 Sep 2021 16:47:27 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Thomas Zimmermann <tzimmermann@...e.de>, airlied@...hat.com,
        airlied@...ux.ie, daniel@...ll.ch, marcan@...can.st,
        maz@...nel.org, akpm@...ux-foundation.org, npiggin@...il.com,
        thunder.leizhen@...wei.com, gregkh@...uxfoundation.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] lib: devres: Add managed helpers for write-combine
 setup

Hi,

On 9/16/21 8:15 PM, Thomas Zimmermann wrote:
> Add devm_arch_phys_wc_add() and devm_arch_io_reserve_memtype_wc() for
> automatic cleanup of writecombine setup.
> 
> Several DRM drivers use the non-managed functions for setting their
> framebuffer memory to write-combine access. Convert ast, mgag200 and
> vboxvideo. Remove rsp clean-up code form drivers.
> 
> Tested on mgag200 hardware.
> 
> Thomas Zimmermann (5):
>   lib: devres: Add managed arch_phys_wc_add()
>   lib: devres: Add managed arch_io_reserve_memtype_wc()
>   drm/ast: Use managed interfaces for framebuffer write combining
>   drm/mgag200: Use managed interfaces for framebuffer write combining
>   drm/vboxvideo: Use managed interfaces for framebuffer write combining

Thanks, the entire series looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

For the series.

Regards,

Hans