drm/msm/sde: fix unpaired sde trace

Unpaired trace "sde_power_resource_enable" caused tracer parse
incorrect trace points and display weird state on Chrome. Make
trace "sde_power_resource_enable" pair to fix it.

Bug: 122510119
Test: Checked sde trace can be displayed correctly on Chrome
Change-Id: I938b5648a09e00eaea59070af31a2e6469763087
Signed-off-by: Midas Chien <[email protected]>
(cherry picked from commit 3a335059bf7a200977e8f4e0a4aa5c6ceca3863a)
Signed-off-by: Christopher Braga <[email protected]>
Signed-off-by: Samantha Tran <[email protected]>

msm/dsi/dsi_drm.c

@@ -194,14 +194,15 @@ static void dsi_bridge_pre_enable(struct drm_bridge *bridge)
 		return;
 	}
 
-	SDE_ATRACE_BEGIN("dsi_bridge_pre_enable");
+	SDE_ATRACE_BEGIN("dsi_display_prepare");
 	rc = dsi_display_prepare(c_bridge->display);
 	if (rc) {
 		pr_err("[%d] DSI display prepare failed, rc=%d\n",
 		       c_bridge->id, rc);
-		SDE_ATRACE_END("dsi_bridge_pre_enable");
+		SDE_ATRACE_END("dsi_display_prepare");
 		return;
 	}
+	SDE_ATRACE_END("dsi_display_prepare");
 
 	SDE_ATRACE_BEGIN("dsi_display_enable");
 	rc = dsi_display_enable(c_bridge->display);
@@ -211,7 +212,6 @@ static void dsi_bridge_pre_enable(struct drm_bridge *bridge)
 		(void)dsi_display_unprepare(c_bridge->display);
 	}
 	SDE_ATRACE_END("dsi_display_enable");
-	SDE_ATRACE_END("dsi_bridge_pre_enable");
 
 	rc = dsi_display_splash_res_cleanup(c_bridge->display);
 	if (rc)

msm/sde_power_handle.c

@@ -788,8 +788,8 @@ int sde_power_resource_enable(struct sde_power_handle *phandle, bool enable)
 	}
 
 	SDE_EVT32_VERBOSE(enable, SDE_EVTLOG_FUNC_EXIT);
-	mutex_unlock(&phandle->phandle_lock);
 	SDE_ATRACE_END("sde_power_resource_enable");
+	mutex_unlock(&phandle->phandle_lock);
 	return rc;
 
 clk_err:
@@ -804,8 +804,8 @@ vreg_err:
 			&phandle->data_bus_handle[i],
 			SDE_POWER_HANDLE_DISABLE_BUS_AB_QUOTA,
 			SDE_POWER_HANDLE_DISABLE_BUS_IB_QUOTA);
-	mutex_unlock(&phandle->phandle_lock);
 	SDE_ATRACE_END("sde_power_resource_enable");
+	mutex_unlock(&phandle->phandle_lock);
 	return rc;
 }