[PATCH v4 5/8] drm/bridge: pass down IRQ_HPD to the drivers
Dmitry Baryshkov <[email protected]>
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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 9427cc2358ae..8cb17bd0e238 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_status_extra extra_status) { 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 a34643d3ddef..8f7075fd2aa5 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_scoped(bridge_connector->encoder, bridge) { if (bridge->funcs->hpd_notify) - bridge->funcs->hpd_notify(bridge, connector, status); + bridge->funcs->hpd_notify(bridge, connector, status, extra_status); } } diff --git a/drivers/gpu/drm/meson/meson_encoder_hdmi.c b/drivers/gpu/drm/meson/meson_encoder_hdmi.c index 55c0601df3c6..4aecf0ffcf75 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_status_extra extra_status) { 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 dc6f33809ca5..c0f6a8ff9b99 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1514,7 +1514,8 @@ 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_status_extra extra_status) { 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 041aa026ae2e..4d98e04bb511 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.h +++ b/drivers/gpu/drm/msm/dp/dp_drm.h @@ -43,6 +43,7 @@ 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_status_extra extra_status); #endif /* _DP_DRM_H_ */ diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index e306247ed8a0..d02d432abde4 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -429,7 +429,8 @@ 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_status_extra extra_status) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 6a5edfda2ddd..9c4c88024cc5 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -615,7 +615,8 @@ 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_status_extra extra_status); /** * @hpd_enable: -- 2.47.3 _______________________________________________ linux-amlogic mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-amlogic