Hi, On Mon, Jul 15, 2024 at 09:33:02AM GMT, Dmitry Baryshkov wrote: > Document that DRM_MODE_PROP_IMMUTABLE must be set for the properties > that are immutable by definition - e.g. ranges with min == max or enums > with a single value. This matches the behaviour of the IGT tests, see > kms_properties.c / validate_range_prop(), validate_enum_prop(), > validate_bitmask_prop(). > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> We had a discussion yesterday about it on IRC with Sima, Simon and Xaver. https://oftc.irclog.whitequark.org/dri-devel/2024-07-16#33374622; The conclusion was that it would create an inconsistency between drivers on whether a given property is immutable or not, which will lead to more troubles for userspace. It's not clear why Ville added that check in the first place, so the best course of action is to remove the IGT test and get the discussion started there. Maxime
Attachment:
signature.asc
Description: PGP signature
