On 08/19/2025, Dmitry Baryshkov wrote: > Currently DRM framework expects that the HDMI connector driver supports > all infoframe types: it generates the data as required and calls into > the driver to program all of them, letting the driver to soft-fail if > the infoframe is unsupported. This has a major drawback on userspace > API: the framework also registers debugfs files for all Infoframe types, > possibly surprising the users when infoframe is visible in the debugfs > file, but it is not visible on the wire. > > Let drivers declare that they support only a subset of infoframes, > creating a more consistent interface. > > Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@oss.qualcomm.com> > --- > drivers/gpu/drm/display/drm_bridge_connector.c | 6 ++++ > drivers/gpu/drm/display/drm_hdmi_state_helper.c | 37 > ++++++++++++++++++++-- > drivers/gpu/drm/drm_connector.c | 4 +++ > drivers/gpu/drm/drm_debugfs.c | 16 +++++++--- > drivers/gpu/drm/rockchip/inno_hdmi.c | 1 + > drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 1 + > drivers/gpu/drm/tests/drm_connector_test.c | 28 ++++++++++++++++ > drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c | 8 +++++ > drivers/gpu/drm/vc4/vc4_hdmi.c | 5 +++ > include/drm/drm_bridge.h | 7 ++++ > include/drm/drm_connector.h | 22 +++++++++++++ > 11 files changed, 128 insertions(+), 7 deletions(-)
Acked-by: Liu Ying <victor....@nxp.com>