Op 11-04-16 om 12:37 schreef Lionel Landwerlin:
> Color management properties are a bit of an odd use case because
> they're not marked as atomic properties. Currently we're not updating
> the non atomic values so the drm_crtc_state is out of sync with the
> values stored in the crtc object.
>
> v2: Update non atomic values only if commit succeeds (Bob Paauwe)
>
> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> Cc: Bob Paauwe <bob.j.paa...@intel.com>
> Cc: <dri-de...@lists.freedesktop.org>
> Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com>
> ---
> drivers/gpu/drm/drm_atomic_helper.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_atomic_helper.c
> b/drivers/gpu/drm/drm_atomic_helper.c
> index 7bf678e..65e55ce 100644
> --- a/drivers/gpu/drm/drm_atomic_helper.c
> +++ b/drivers/gpu/drm/drm_atomic_helper.c
> @@ -2979,6 +2979,14 @@ retry:
> if (ret)
> goto fail;
>
> + drm_object_property_set_value(&crtc->base,
> + config->degamma_lut_property, 0);
> + drm_object_property_set_value(&crtc->base,
> + config->ctm_property, 0);
> + drm_object_property_set_value(&crtc->base,
> + config->gamma_lut_property,
> + crtc_state->gamma_lut->base.id);
> +
> /* Driver takes ownership of state on successful commit. */
>
> drm_property_unreference_blob(blob);
You can't use crtc_state after drm_atomic_commit as it's freed, you need to use
crtc->state.
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