The DisplayPort standard defines a special kind of HPD events called IRQ_HPD. These events are used to notify DP Source about the events on the Sink side. Pass down the extra status to the bridge drivers via the hpd_notify() callback, letting DP bridges to act accordingly.
Signed-off-by: Dmitry Baryshkov <[email protected]> --- drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 3 ++- drivers/gpu/drm/display/drm_bridge_connector.c | 2 +- drivers/gpu/drm/meson/meson_encoder_hdmi.c | 3 ++- drivers/gpu/drm/msm/dp/dp_display.c | 3 ++- drivers/gpu/drm/msm/dp/dp_drm.h | 3 ++- drivers/gpu/drm/omapdrm/dss/hdmi4.c | 3 ++- include/drm/drm_bridge.h | 3 ++- 7 files changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index b3bb7f2cebb3..b1ffbab89a16 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -429,7 +429,8 @@ static const struct drm_edid *lt9611uxc_bridge_edid_read(struct drm_bridge *brid static void lt9611uxc_bridge_hpd_notify(struct drm_bridge *bridge, struct drm_connector *connector, - enum drm_connector_status status) + enum drm_connector_status status, + enum drm_connector_dp_event event) { const struct drm_edid *drm_edid; diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c index f8aa2dd1cde7..083d70017f02 100644 --- a/drivers/gpu/drm/display/drm_bridge_connector.c +++ b/drivers/gpu/drm/display/drm_bridge_connector.c @@ -150,7 +150,7 @@ static void drm_bridge_connector_hpd_notify(struct drm_connector *connector, /* Notify all bridges in the pipeline of hotplug events. */ drm_for_each_bridge_in_chain(bridge_connector->encoder, bridge) { if (bridge->funcs->hpd_notify) - bridge->funcs->hpd_notify(bridge, connector, status); + bridge->funcs->hpd_notify(bridge, connector, status, event); } } diff --git a/drivers/gpu/drm/meson/meson_encoder_hdmi.c b/drivers/gpu/drm/meson/meson_encoder_hdmi.c index c4355c5cc340..a637613ae2e1 100644 --- a/drivers/gpu/drm/meson/meson_encoder_hdmi.c +++ b/drivers/gpu/drm/meson/meson_encoder_hdmi.c @@ -323,7 +323,8 @@ static int meson_encoder_hdmi_atomic_check(struct drm_bridge *bridge, static void meson_encoder_hdmi_hpd_notify(struct drm_bridge *bridge, struct drm_connector *connector, - enum drm_connector_status status) + enum drm_connector_status status, + enum drm_connector_dp_event event) { struct meson_encoder_hdmi *encoder_hdmi = bridge_to_meson_encoder_hdmi(bridge); diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 4dcbd9b99d06..9308e373447c 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1540,7 +1540,8 @@ void msm_dp_bridge_hpd_disable(struct drm_bridge *bridge) void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge, struct drm_connector *connector, - enum drm_connector_status status) + enum drm_connector_status status, + enum drm_connector_dp_event event) { struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(bridge); struct msm_dp *msm_dp_display = msm_dp_bridge->msm_dp_display; diff --git a/drivers/gpu/drm/msm/dp/dp_drm.h b/drivers/gpu/drm/msm/dp/dp_drm.h index da412c788503..8f2f4201da60 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.h +++ b/drivers/gpu/drm/msm/dp/dp_drm.h @@ -31,6 +31,7 @@ void msm_dp_bridge_hpd_enable(struct drm_bridge *bridge); void msm_dp_bridge_hpd_disable(struct drm_bridge *bridge); void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge, struct drm_connector *connector, - enum drm_connector_status status); + enum drm_connector_status status, + enum drm_connector_dp_event event); #endif /* _DP_DRM_H_ */ diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index ea0d749265d1..47fb10628125 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -430,7 +430,8 @@ static void hdmi4_bridge_disable(struct drm_bridge *bridge, static void hdmi4_bridge_hpd_notify(struct drm_bridge *bridge, struct drm_connector *connector, - enum drm_connector_status status) + enum drm_connector_status status, + enum drm_connector_dp_event event) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index ed9f77a2597a..2b3cad4bedde 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -509,7 +509,8 @@ struct drm_bridge_funcs { */ void (*hpd_notify)(struct drm_bridge *bridge, struct drm_connector *connector, - enum drm_connector_status status); + enum drm_connector_status status, + enum drm_connector_dp_event event); /** * @hpd_enable: -- 2.47.3
