linux-kernel - Re: [PATCH v12 09/15] drm/vkms: Remove useless drm_rotation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <d3e8bb5a-6053-4a2b-a445-0cf4e610f112@riseup.net>
Date: Sat, 26 Oct 2024 09:10:57 -0300
From: Maíra Canal <mairacanal@...eup.net>
To: Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>,
 Melissa Wen <melissa.srw@...il.com>,
 Haneen Mohammed <hamohammed.sa@...il.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Jonathan Corbet <corbet@....net>,
 Simona Vetter <simona@...ll.ch>, rdunlap@...radead.org,
 arthurgrillo@...eup.net, pekka.paalanen@...oniitty.fi,
 Simona Vetter <simona.vetter@...ll.ch>, dri-devel@...ts.freedesktop.org,
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
 thomas.petazzoni@...tlin.com, jeremie.dautheribes@...tlin.com,
 miquel.raynal@...tlin.com, seanpaul@...gle.com, marcheu@...gle.com,
 nicolejadeyee@...gle.com
Subject: Re: [PATCH v12 09/15] drm/vkms: Remove useless drm_rotation_simplify

Hi Louis,

On 14/10/24 05:39, Louis Chauvet wrote:
> On 11/10/24 - 10:53, Maira Canal wrote:
>> Hi Louis,
>>
>> On 10/11/24 06:36, Louis Chauvet wrote:
>>>
>>> Hi all,
>>>
>>> Until this point, this series has not received any major comments since
>>> v9. I will commit patches 1-9 next week if there are no further comments.
>>>
>>
>> Although we are maintainers of VKMS, it isn't recommended that we push
>> our own changes without even the Ack of another person. Please, read the
>> "drm-misc Committer Guidelines" [1].
> 
> Hi Maíra, Maxime,
> 
> I apologize for this rushed commit request. I sent the initial email with
> a delay before the commit action because I was not sure about the
> procedure and wanted to give others a chance to raise any concerns.
> Unfortunately, I overlooked the need to collect an Ack/Review for each
> patch, even when there hadn't been any responses for several months. I'm
> sorry for this oversight.
> 
>> I can ack patches 05/15, 07/15, and 09/15, but it would be more
>> beneficial for the community if you ask for an ack (from me or from the
>> DRM maintainers, which are always around), instead of saying that you
>> are going to commit the patches without any review.
> 
> I will be happy to ask for acknowledgments if needed, but as you mentioned
> multiple times: nobody is paid to maintain VKMS. Since you did not comment
> these series since July, when you told me you would review my patches, I
> assumed it was either okay or you no longer had the time to maintain
> (which I completely understand).

Yeah, I'm a volunteer and no longer have time to maintain VKMS. A couple
of weeks ago I sent a patch removing myself as VKMS maintainer. This
doesn't imply that patches can be pushed without review.

We are a community with several active developers. Although I don't have
time to properly review your patches, you can try to gather other
developers to review your patches. You can try to use #dri-devel to get
reviewers.

That said, you can add my ACK to patches 05/15, 07/15, and 09/15 and
push the patches. I won't ack the YUV patches as I don't feel
comfortable reviewing/acking those.

Acked-by: Maíra Canal <mairacanal@...eup.net>

BTW if the patches are fixing IGT tests, please update the list of fails
and skips on DRM CI.

Best Regards,
- Maíra

> 
> So, I hereby formally request reviews/ACKs for the following series:
> 
> [this series]:https://lore.kernel.org/all/20241007-yuv-v12-0-01c1ada6fec8@bootlin.com/
> [2]:https://lore.kernel.org/all/20241007-b4-new-color-formats-v2-0-d47da50d4674@bootlin.com/
> [3]:https://lore.kernel.org/all/20240516-writeback_line_by_line-v1-0-7b2e3bf9f1c9@bootlin.com/
> 
> (I have to send a v2 for [3] because of rebase conflict, but nothing else
> changed)
> 
> Thanks a lot,
> Louis Chauvet
>   
>> [1] https://drm.pages.freedesktop.org/maintainer-tools/committer/committer-drm-misc.html
>>
>> Best Regards,
>> - Maíra
>>
>>> For patches 10-15, I am currently waiting for feedback from Maxime to
>>> send the next iteration with a fix for kunit tests.
>>>
>>> Thanks,
>>> Louis Chauvet
>>>
>>> On 07/10/24 - 18:10, Louis Chauvet wrote:
>>>> As all the rotation are now supported by VKMS, this simplification does
>>>> not make sense anymore, so remove it.
>>>>
>>>> Signed-off-by: Louis Chauvet <louis.chauvet@...tlin.com>
>>>> ---
>>>>    drivers/gpu/drm/vkms/vkms_plane.c | 7 +------
>>>>    1 file changed, 1 insertion(+), 6 deletions(-)
>>>>
>>>> diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
>>>> index 8875bed76410..5a028ee96c91 100644
>>>> --- a/drivers/gpu/drm/vkms/vkms_plane.c
>>>> +++ b/drivers/gpu/drm/vkms/vkms_plane.c
>>>> @@ -115,12 +115,7 @@ static void vkms_plane_atomic_update(struct drm_plane *plane,
>>>>    	frame_info->fb = fb;
>>>>    	memcpy(&frame_info->map, &shadow_plane_state->data, sizeof(frame_info->map));
>>>>    	drm_framebuffer_get(frame_info->fb);
>>>> -	frame_info->rotation = drm_rotation_simplify(new_state->rotation, DRM_MODE_ROTATE_0 |
>>>> -									  DRM_MODE_ROTATE_90 |
>>>> -									  DRM_MODE_ROTATE_270 |
>>>> -									  DRM_MODE_REFLECT_X |
>>>> -									  DRM_MODE_REFLECT_Y);
>>>> -
>>>> +	frame_info->rotation = new_state->rotation;
>>>>    	vkms_plane_state->pixel_read_line = get_pixel_read_line_function(fmt);
>>>>    }
>>>>
>>>> -- 
>>>> 2.46.2
>>>>