On Tue, Dec 20, 2016 at 05:03:03PM -0800, Dhinakaran Pandiyan wrote: > i915 does not set DRIVER_ATOMIC by default yet but uses atomic_check and > atomic_commit. drm_object_property_get_value() does not read the correct > value of atomic properties if DRIVER_ATOMIC is not set. Checking whether > the driver uses atomic modeset is a better check instead as the property > values are tracked in the state structures. > > Cc: Daniel Vetter <daniel.vetter at ffwll.ch> > Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
I've reviewed all other users for DRIVER_ATOMIC checks, and I think this is the only one left that we should change. Will merge as soon as you've respun patch 1. Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch> -Daniel > --- > drivers/gpu/drm/drm_mode_object.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/drm_mode_object.c > b/drivers/gpu/drm/drm_mode_object.c > index 9f17085..292d339 100644 > --- a/drivers/gpu/drm/drm_mode_object.c > +++ b/drivers/gpu/drm/drm_mode_object.c > @@ -273,7 +273,7 @@ int drm_object_property_get_value(struct drm_mode_object > *obj, > * their value in obj->properties->values[].. mostly to avoid > * having to deal w/ EDID and similar props in atomic paths: > */ > - if (drm_core_check_feature(property->dev, DRIVER_ATOMIC) && > + if (drm_drv_uses_atomic_modeset(property->dev) && > !(property->flags & DRM_MODE_PROP_IMMUTABLE)) > return drm_atomic_get_property(obj, property, val); > > -- > 2.7.4 > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch
