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Message-ID: <0dac7c85-0b44-4a6c-b1e1-5833649e6413@bootlin.com>
Date: Mon, 27 Oct 2025 16:53:03 +0100
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: José Expósito <jose.exposito89@...il.com>
Cc: Haneen Mohammed <hamohammed.sa@...il.com>, Simona Vetter
<simona@...ll.ch>, Melissa Wen <melissa.srw@...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>,
victoria@...tem76.com, sebastian.wick@...hat.com,
thomas.petazzoni@...tlin.com, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH 00/22] VKMS: Introduce multiple configFS attributes
Le 27/10/2025 à 16:22, José Expósito a écrit :
> Hey Louis,
>
> On Sat, Oct 18, 2025 at 04:01:00AM +0200, Louis Chauvet wrote:
>> VKMS have a wide range of options. The aim of this series is to introduce
>> many configfs attribute so VKMS can be used to test a wide range of
>> configurations.
>>
>> This series depends on [1] that should be applied soon.
>>
>> PATCH 1-13 are for configuring planes
>> - name
>> - rotation
>> - color encoding
>> - color range
>> - plane formats
>> - zpos
>> PATCH 14-19 are for configuring the connector
>> - type
>> - supported colorspace
>> - edid
>> PATCH 20-22 are to enable dynamic connectors
>>
>> [1]:https://lore.kernel.org/all/20251016175618.10051-1-jose.exposito89@gmail.com
>>
>> PS: Each pair of config/configfs patch are independant. I could
>> technically create ≈10 different series, but there will be a lot of
>> (trivial) conflicts between them. I will be happy to reordoer, split and
>> partially apply this series to help the review process.
>
> I just finished reviewing the series.
Thanks a lot, I started to apply your suggestions (I agree to most of them).
> Amazing work, thanks a lot for adding all of these new properties!!
>
> I'd like to see KUnit and IGT coverage to test coner cases and, since this
> is uAPI, to have a mechanishm to catch regressions without lots of manual
> testing.
I started to add some Kunits for vkms_config.c, for the format parsing too.
> Let's talk so we can start working on them on v2, I'll be able to help in
> that front if needed.
I finish to apply your suggestions and I will send the v2 soon, so we
can discuss on the same ground. I think we can add a little bit of
vkms_config.c testing, but for vkms_configfs I need to see if we can
mock configfs interations from kunit tests.
Have a nice week,
Louis Chauvet
> Best wishes,
> Jose
>
>> Signed-off-by: Louis Chauvet <louis.chauvet@...tlin.com>
>> ---
>> Louis Chauvet (22):
>> drm/vkms: Introduce config for plane name
>> drm/vkms: Introduce configfs for plane name
>> drm/vkms: Introduce config for plane rotation
>> drm/vkms: Introduce configfs for plane rotation
>> drm/vkms: Introduce config for plane color encoding
>> drm/vkms: Introduce configfs for plane color encoding
>> drm/vkms: Introduce config for plane color range
>> drm/vkms: Introduce configfs for plane color range
>> drm/vkms: Introduce config for plane format
>> drm/vkms: Introduce configfs for plane format
>> drm/vkms: Properly render plane using their zpos
>> drm/vkms: Introduce config for plane zpos property
>> drm/vkms: Introduce configfs for plane zpos property
>> drm/vkms: Introduce config for connector type
>> drm/vkms: Introduce configfs for connector type
>> drm/vkms: Introduce config for connector supported colorspace
>> drm/vkms: Introduce configfs for connector supported colorspace
>> drm/vkms: Introduce config for connector EDID
>> drm/vkms: Introduce configfs for connector EDID
>> drm/vkms: Store the enabled/disabled status for connector
>> drm/vkms: Allow to hot-add connectors
>> drm/vkms: Allows the creation of connector at runtime
>>
>> Documentation/gpu/vkms.rst | 42 +-
>> drivers/gpu/drm/vkms/tests/vkms_config_test.c | 18 +
>> drivers/gpu/drm/vkms/vkms_config.c | 183 ++++++
>> drivers/gpu/drm/vkms/vkms_config.h | 524 +++++++++++++++
>> drivers/gpu/drm/vkms/vkms_configfs.c | 893 +++++++++++++++++++++++++-
>> drivers/gpu/drm/vkms/vkms_connector.c | 137 +++-
>> drivers/gpu/drm/vkms/vkms_connector.h | 36 +-
>> drivers/gpu/drm/vkms/vkms_crtc.c | 11 +-
>> drivers/gpu/drm/vkms/vkms_drv.h | 6 +-
>> drivers/gpu/drm/vkms/vkms_output.c | 19 +-
>> drivers/gpu/drm/vkms/vkms_plane.c | 73 +--
>> 11 files changed, 1865 insertions(+), 77 deletions(-)
>> ---
>> base-commit: b291e4f1a4951204ce858cd01801291d34962a33
>> change-id: 20251017-vkms-all-config-bd0c2a01846f
>> prerequisite-message-id: 20251016175618.10051-1-jose.exposito89@...il.com
>> prerequisite-patch-id: 74083a8806b1f26d9b4cd2a5107c756b971c4d11
>> prerequisite-patch-id: f982390487699921b625b413e8460d67ca7a74c9
>> prerequisite-patch-id: 0afca639e43c8fbfea2af1bc395e489efc8e1f10
>> prerequisite-patch-id: 6285108b2fd90d30d15d4cb4fdddfef953fad51b
>> prerequisite-patch-id: 2eacf5ad4f25f54a60958aa7a2df633d5642ce2f
>> prerequisite-patch-id: 81e98ac3aeb3b6128098ab7bab56d3446a3a2705
>> prerequisite-patch-id: 973f94c4edb4a5822c84a57d4479ca40e9cf25de
>> prerequisite-patch-id: 0efbaf1b0e962a1c40bf5a744b5089d8be696f62
>> prerequisite-patch-id: afa0cff94085e6ab216ffd9b99cd3dc882a0a687
>> prerequisite-patch-id: 3561347f2b586392985a8e3af9ed1c5c7d3eefd5
>> prerequisite-patch-id: 94030044ae8d404f7cdaed9137bddd59cfb22e79
>> prerequisite-patch-id: a54b483797d5ffb7ce13b56a8943025181cd0d7a
>> prerequisite-patch-id: f148fe7f445cb42437e7e2ba8b59e7e0fd40da8b
>> prerequisite-patch-id: 1ef2045872843670c452816c5d6187b713c9258c
>> prerequisite-patch-id: 3b9963ea3ae3455ae15ee36b67042c06a2ef6006
>> prerequisite-patch-id: 519ee42dfabb4de734e41e59bd07d7a723d810bb
>>
>> Best regards,
>> --
>> Louis Chauvet <louis.chauvet@...tlin.com>
>>
--
--
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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