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

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Message-ID: <ZwzYqihbReaLFn-c@louis-chauvet-laptop>
Date: Mon, 14 Oct 2024 10:39:06 +0200
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: Maira Canal <mairacanal@...eup.net>
Cc: 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

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).

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
> > >