Re: [PATCH v2 0/5] Fixes and improvements for Xen pvdrm

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On 8/13/20 10:05 AM, Jürgen Groß wrote:
> On 13.08.20 08:32, Oleksandr Andrushchenko wrote:
>> Juergen, Boris,
>>
>> can we please merge these via Xen Linux tree as I have collected enough Ack/R-b?
>>
>> The series has DRM patches, but those anyway are Xen related, so I think
>>
>> this should be fine from DRI point of view.
>
> Yes, fine with me.
Great, thank you
>
>
> Juergen
>
>>
>> Thank you,
>>
>> Oleksandr
>>
>> On 8/13/20 9:21 AM, Oleksandr Andrushchenko wrote:
>>> From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
>>>
>>> Hello,
>>>
>>> This series contains an assorted set of fixes and improvements for
>>> the Xen para-virtualized display driver and grant device driver which
>>> I have collected over the last couple of months:
>>>
>>> 1. Minor fixes to grant device driver and drm/xen-front.
>>>
>>> 2. New format (YUYV) added to the list of the PV DRM supported formats
>>> which allows the driver to be used in zero-copying use-cases when
>>> a camera device is the source of the dma-bufs.
>>>
>>> 3. Synchronization with the latest para-virtualized protocol definition
>>> in Xen [1].
>>>
>>> 4. SGT offset is now propagated to the backend: while importing a dmabuf
>>> it is possible that the data of the buffer is put with offset which is
>>> indicated by the SGT offset. This is needed for some GPUs which have
>>> non-zero offset.
>>>
>>> Thank you,
>>> Oleksandr Andrushchenko
>>>
>>> [1] https://urldefense.com/v3/__https://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=c27a184225eab54d20435c8cab5ad0ef384dc2c0__;!!GF_29dbcQIUBPA!iAHOdk4M167VNM1AypMGVmyKJu-iqC9e5cXyu6N595Np3iyIZDnZl0MIBX3IROJSD1GSMX_GfQ$ [xenbits[.]xen[.]org]
>>>
>>> Changes since v1:
>>> =================
>>>
>>> 1. Removed patch which adds EDID to PV DRM as it needs more time for review:
>>> "5. Version 2 of the Xen displif protocol adds XENDISPL_OP_GET_EDID
>>> request which allows frontends to request EDID structure per
>>> connector. This request is optional and if not supported by the
>>> backend then visible area is still defined by the relevant
>>> XenStore's "resolution" property.
>>> If backend provides EDID with XENDISPL_OP_GET_EDID request then
>>> its values must take precedence over the resolutions defined in
>>> XenStore."
>>> I will send this as a dedicated patch.
>>>
>>> 2. Added missing CC stable for the patches with fixes
>>>
>>> Oleksandr Andrushchenko (5):
>>>     xen/gntdev: Fix dmabuf import with non-zero sgt offset
>>>     drm/xen-front: Fix misused IS_ERR_OR_NULL checks
>>>     drm/xen-front: Add YUYV to supported formats
>>>     xen: Sync up with the canonical protocol definition in Xen
>>>     drm/xen-front: Pass dumb buffer data offset to the backend
>>>
>>>    drivers/gpu/drm/xen/xen_drm_front.c      | 10 +--
>>>    drivers/gpu/drm/xen/xen_drm_front.h      |  2 +-
>>>    drivers/gpu/drm/xen/xen_drm_front_conn.c |  1 +
>>>    drivers/gpu/drm/xen/xen_drm_front_gem.c  | 11 +--
>>>    drivers/gpu/drm/xen/xen_drm_front_kms.c  |  2 +-
>>>    drivers/xen/gntdev-dmabuf.c              |  8 +++
>>>    include/xen/interface/io/displif.h       | 91 +++++++++++++++++++++++-
>>>    7 files changed, 111 insertions(+), 14 deletions(-)
>>>
>>
>
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