[PATCH v2 1/2] drm/bridge-connector: reset the HDMI connector state

[Dmitry Baryshkov]

On Tue, 25 Jun 2024 at 18:02, Maxime Ripard <mripard at kernel.org> wrote:
>
> Hi,
>
> On Sun, Jun 23, 2024 at 08:40:12AM GMT, Dmitry Baryshkov wrote:
> > On HDMI connectors which use drm_bridge_connector and DRM_BRIDGE_OP_HDMI
> > IGT chokes on the max_bpc property in several kms_properties tests due
> > to the the drm_bridge_connector failing to reset HDMI-related
> > properties.
> >
> > Call __drm_atomic_helper_connector_hdmi_reset() if there is a
> > the drm_bridge_connector has bridge_hdmi.
> >
> > Note, the __drm_atomic_helper_connector_hdmi_reset() is moved to
> > drm_atomic_state_helper.c because drm_bridge_connector.c can not depend
> > on DRM_DISPLAY_HDMI_STATE_HELPER. At the same time it is impossible to
> > call this function from HDMI bridges, there is is no function that
> > corresponds to the drm_connector_funcs::reset().
>
> Why can't it depend on DRM_DISPLAY_HDMI_STATE_HELPER?

Is it okay to have DRM_KMS_HELPER to depend unconditionally or select
DRM_DISPLAY_HDMI_STATE_HELPER?

-- 
With best wishes
Dmitry