Merge "drm/msm/sde: add sde_connector kickoff callbacks"

7 files changed, 86 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
index d0c3deefabd7..8e60235bfa01 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
@@ -2203,6 +2203,13 @@ sde_hdmi_connector_detect(struct drm_connector *connector,
 	return status;
 }
 
+int sde_hdmi_pre_kickoff(struct drm_connector *connector,
+	void *display,
+	struct msm_display_kickoff_params *params)
+{
+	return 0;
+}
+
 int sde_hdmi_connector_get_modes(struct drm_connector *connector, void *display)
 {
 	struct sde_hdmi *hdmi_display = (struct sde_hdmi *)display;
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h
index 47f440d617a3..6b9bcfec031b 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h
@@ -452,6 +452,17 @@ bool sde_hdmi_tx_is_panel_on(struct sde_hdmi *hdmi_ctrl);
 int sde_hdmi_start_hdcp(struct drm_connector *connector);
 void sde_hdmi_hdcp_off(struct sde_hdmi *hdmi_ctrl);
 
+
+/*
+ * sde_hdmi_pre_kickoff - program kickoff-time features
+ * @display: Pointer to private display structure
+ * @params: Parameters for kickoff-time programming
+ * Returns: Zero on success
+ */
+int sde_hdmi_pre_kickoff(struct drm_connector *connector,
+		void *display,
+		struct msm_display_kickoff_params *params);
+
 #else /*#ifdef CONFIG_DRM_SDE_HDMI*/
 
 static inline u32 sde_hdmi_get_num_of_displays(void)
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 209e90628642..d696f05e0459 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -236,6 +236,14 @@ struct msm_display_info {
 };
 
 /**
+ * struct - msm_display_kickoff_params - info for display features at kickoff
+ * @hdr_metadata: HDR metadata info passed from userspace
+ */
+struct msm_display_kickoff_params {
+	struct drm_msm_ext_panel_hdr_metadata *hdr_metadata;
+};
+
+/**
  * struct msm_drm_event - defines custom event notification struct
  * @base: base object required for event notification by DRM framework.
  * @event: event object required for event notification by DRM framework.
diff --git a/drivers/gpu/drm/msm/sde/sde_connector.c b/drivers/gpu/drm/msm/sde/sde_connector.c
index cf84700d7592..0bb8298c1013 100644
--- a/drivers/gpu/drm/msm/sde/sde_connector.c
+++ b/drivers/gpu/drm/msm/sde/sde_connector.c
@@ -60,6 +60,36 @@ int sde_connector_get_info(struct drm_connector *connector,
 	return c_conn->ops.get_info(info, c_conn->display);
 }
 
+int sde_connector_pre_kickoff(struct drm_connector *connector)
+{
+	struct sde_connector *c_conn;
+	struct sde_connector_state *c_state;
+	struct msm_display_kickoff_params params;
+	int rc;
+
+	if (!connector) {
+		SDE_ERROR("invalid argument\n");
+		return -EINVAL;
+	}
+
+	c_conn = to_sde_connector(connector);
+	c_state = to_sde_connector_state(connector->state);
+
+	if (!c_conn->display) {
+		SDE_ERROR("invalid argument\n");
+		return -EINVAL;
+	}
+
+	if (!c_conn->ops.pre_kickoff)
+		return 0;
+
+	params.hdr_metadata = &c_state->hdr_meta;
+
+	rc = c_conn->ops.pre_kickoff(connector, c_conn->display, &params);
+
+	return rc;
+}
+
 static void sde_connector_destroy(struct drm_connector *connector)
 {
 	struct sde_connector *c_conn;
diff --git a/drivers/gpu/drm/msm/sde/sde_connector.h b/drivers/gpu/drm/msm/sde/sde_connector.h
index 885f3cf94864..19e2b8a3e41c 100644
--- a/drivers/gpu/drm/msm/sde/sde_connector.h
+++ b/drivers/gpu/drm/msm/sde/sde_connector.h
@@ -122,6 +122,19 @@ struct sde_connector_ops {
 	int (*get_info)(struct msm_display_info *info, void *display);
 
 	int (*set_backlight)(void *display, u32 bl_lvl);
+
+
+	/**
+	 * pre_kickoff - trigger display to program kickoff-time features
+	 * @connector: Pointer to drm connector structure
+	 * @display: Pointer to private display structure
+	 * @params: Parameter bundle of connector-stored information for
+	 *	kickoff-time programming into the display
+	 * Returns: Zero on success
+	 */
+	int (*pre_kickoff)(struct drm_connector *connector,
+		void *display,
+		struct msm_display_kickoff_params *params);
 };
 
 /**
@@ -307,5 +320,12 @@ void sde_connector_complete_commit(struct drm_connector *connector);
 int sde_connector_get_info(struct drm_connector *connector,
 		struct msm_display_info *info);
 
+/**
+ * sde_connector_pre_kickoff - trigger kickoff time feature programming
+ * @connector: Pointer to drm connector object
+ * Returns: Zero on success
+ */
+int sde_connector_pre_kickoff(struct drm_connector *connector);
+
 #endif /* _SDE_CONNECTOR_H_ */
 
diff --git a/drivers/gpu/drm/msm/sde/sde_encoder.c b/drivers/gpu/drm/msm/sde/sde_encoder.c
index 030b192e5df4..fa03fc8f7ac9 100644
--- a/drivers/gpu/drm/msm/sde/sde_encoder.c
+++ b/drivers/gpu/drm/msm/sde/sde_encoder.c
@@ -795,6 +795,7 @@ void sde_encoder_prepare_for_kickoff(struct drm_encoder *drm_enc)
 	struct sde_encoder_virt *sde_enc;
 	struct sde_encoder_phys *phys;
 	unsigned int i;
+	int rc;
 
 	if (!drm_enc) {
 		SDE_ERROR("invalid encoder\n");
@@ -811,6 +812,14 @@ void sde_encoder_prepare_for_kickoff(struct drm_encoder *drm_enc)
 		if (phys && phys->ops.prepare_for_kickoff)
 			phys->ops.prepare_for_kickoff(phys);
 	}
+
+	if (sde_enc->cur_master && sde_enc->cur_master->connector) {
+		rc = sde_connector_pre_kickoff(sde_enc->cur_master->connector);
+		if (rc)
+			SDE_ERROR_ENC(sde_enc, "kickoff conn%d failed rc %d\n",
+					sde_enc->cur_master->connector->base.id,
+					rc);
+	}
 }
 
 void sde_encoder_kickoff(struct drm_encoder *drm_enc)
diff --git a/drivers/gpu/drm/msm/sde/sde_kms.c b/drivers/gpu/drm/msm/sde/sde_kms.c
index a240ed08da89..031493aa42b8 100644
--- a/drivers/gpu/drm/msm/sde/sde_kms.c
+++ b/drivers/gpu/drm/msm/sde/sde_kms.c
@@ -602,6 +602,7 @@ static int _sde_kms_setup_displays(struct drm_device *dev,
 		.get_info =   sde_hdmi_get_info,
 		.set_property = sde_hdmi_set_property,
 		.get_property = sde_hdmi_get_property,
+		.pre_kickoff = sde_hdmi_pre_kickoff,
 	};
 	struct msm_display_info info = {0};
 	struct drm_encoder *encoder;