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

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Date:   Mon, 20 Sep 2021 10:18:39 +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 9/20/21 10:01 AM, Thomas Zimmermann wrote:
> Hi
> 
> Am 17.09.21 um 16:47 schrieb Hans de Goede:
>> 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.
> 
> Thanks. Let me know if I can review some DRM code for you, as Daniel suggested.

Thank you for the offer, ATM I don't have anything queued up in need of review,
but I will probably make use of your offer in the future :)
Regards,

Hans