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| author | Sebastian Wick <sebastian.wick@redhat.com> | 2024-04-10 14:20:06 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-04-15 09:10:50 +0200 |
| commit | f99885b15b2d230d2d1d75e5e542ecaacd29733f (patch) | |
| tree | 80e2c5a6a81d52033a3161e9ca61ca5b7f3d8a73 | |
| parent | drm/lima: fix void pointer to enum lima_gpu_id cast warning (diff) | |
| download | linux-f99885b15b2d230d2d1d75e5e542ecaacd29733f.tar.xz linux-f99885b15b2d230d2d1d75e5e542ecaacd29733f.zip | |
drm: Document requirements for driver-specific KMS props in new drivers
When extending support for a driver-specific KMS property to additional
drivers, we should apply all the requirements for new properties and
make sure the semantics are the same and documented.
v2: devs of the driver which introduced property shall help and ack
Signed-off-by: Sebastian Wick <sebastian.wick@redhat.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240410122008.38207-1-sebastian.wick@redhat.com
| -rw-r--r-- | Documentation/gpu/drm-kms.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/gpu/drm-kms.rst b/Documentation/gpu/drm-kms.rst index 13d3627d8bc0..b98b98359c90 100644 --- a/Documentation/gpu/drm-kms.rst +++ b/Documentation/gpu/drm-kms.rst @@ -496,6 +496,13 @@ addition to the one mentioned above: * An IGT test must be submitted where reasonable. +For historical reasons, non-standard, driver-specific properties exist. If a KMS +driver wants to add support for one of those properties, the requirements for +new properties apply where possible. Additionally, the documented behavior must +match the de facto semantics of the existing property to ensure compatibility. +Developers of the driver that first added the property should help with those +tasks and must ACK the documented behavior if possible. + Property Types and Blob Property Support ---------------------------------------- |