drm/msm/sde: add clock control to dsi connector ops
Add clk ctrl interface in the dsi connector ops to
control dsi clks. This provides an interface to
SDE, to vote for DSI clks.
Change-Id: I6c57bbad8afd0a7f0d381346d55aa18352c1fd81
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_connector.c b/drivers/gpu/drm/msm/sde/sde_connector.c
index 6e793d9..e4ebece 100644
--- a/drivers/gpu/drm/msm/sde/sde_connector.c
+++ b/drivers/gpu/drm/msm/sde/sde_connector.c
@@ -247,6 +247,25 @@
return rc;
}
+void sde_connector_clk_ctrl(struct drm_connector *connector, bool enable)
+{
+ struct sde_connector *c_conn;
+ struct dsi_display *display;
+ u32 state = enable ? DSI_CLK_ON : DSI_CLK_OFF;
+
+ if (!connector) {
+ SDE_ERROR("invalid connector\n");
+ return;
+ }
+
+ c_conn = to_sde_connector(connector);
+ display = (struct dsi_display *) c_conn->display;
+
+ if (display && c_conn->ops.clk_ctrl)
+ c_conn->ops.clk_ctrl(display->mdp_clk_handle,
+ DSI_ALL_CLKS, state);
+}
+
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 70d4952..1cde425 100644
--- a/drivers/gpu/drm/msm/sde/sde_connector.h
+++ b/drivers/gpu/drm/msm/sde/sde_connector.h
@@ -150,6 +150,14 @@
int (*pre_kickoff)(struct drm_connector *connector,
void *display,
struct msm_display_kickoff_params *params);
+
+ /**
+ * clk_ctrl - perform clk enable/disable on the connector
+ * @handle: Pointer to clk handle
+ * @type: Type of clks
+ * @enable: State of clks
+ */
+ int (*clk_ctrl)(void *handle, u32 type, u32 state);
};
/**
@@ -366,6 +374,13 @@
struct msm_display_info *info);
/**
+ * sde_connector_clk_ctrl - enables/disables the connector clks
+ * @connector: Pointer to drm connector object
+ * @enable: true/false to enable/disable
+ */
+void sde_connector_clk_ctrl(struct drm_connector *connector, bool enable);
+
+/**
* sde_connector_trigger_event - indicate that an event has occurred
* Any callbacks that have been registered against this event will
* be called from the same thread context.
diff --git a/drivers/gpu/drm/msm/sde/sde_kms.c b/drivers/gpu/drm/msm/sde/sde_kms.c
index 98c59c3..da4a488 100644
--- a/drivers/gpu/drm/msm/sde/sde_kms.c
+++ b/drivers/gpu/drm/msm/sde/sde_kms.c
@@ -552,7 +552,8 @@
.get_info = dsi_display_get_info,
.set_backlight = dsi_display_set_backlight,
.soft_reset = dsi_display_soft_reset,
- .pre_kickoff = dsi_conn_pre_kickoff
+ .pre_kickoff = dsi_conn_pre_kickoff,
+ .clk_ctrl = dsi_display_clk_ctrl
};
static const struct sde_connector_ops wb_ops = {
.post_init = sde_wb_connector_post_init,