diff --git a/model/display/driver/hdf_disp.c b/model/display/driver/hdf_disp.c
index 8d7d2603a0c6382144d80a2801294a02b030d326..4cf12379cbbd98aa2fa977f5fdb4ae1bdda6fe2a 100644
--- a/model/display/driver/hdf_disp.c
+++ b/model/display/driver/hdf_disp.c
@@ -289,6 +289,7 @@ static int32_t GetBacklight(struct HdfDeviceObject *device, struct HdfSBuf *reqD
         HDF_LOGE("%s: get panel failed", __func__);
         return HDF_FAILURE;
     }
+    panel = disp->panelManager->panel[devId];
     if (GetCurrBrightness(panel->blDev, &currLevel) != HDF_SUCCESS) {
         HDF_LOGE("%s: GetCurrBrightness failed", __func__);
         return HDF_FAILURE;
diff --git a/model/display/driver/panel/mipi_icn9700.c b/model/display/driver/panel/mipi_icn9700.c
index 59654c6bf9469751f2db0fcd9d335c2a2b8670db..f26994b8f7d5f0286d8e5042fbd5d28420e3c5d5 100644
--- a/model/display/driver/panel/mipi_icn9700.c
+++ b/model/display/driver/panel/mipi_icn9700.c
@@ -192,6 +192,8 @@ static int32_t Icn9700On(struct PanelData *panel)
     /* send mipi init code */
     int32_t count = sizeof(g_OnCmd) / sizeof(g_OnCmd[0]);
     int32_t i;
+    /* set mipi to lp mode */
+    MipiDsiSetLpMode(icn9700->mipiHandle);
     for (i = 0; i < count; i++) {
         ret = MipiDsiTx(icn9700->mipiHandle, &(g_OnCmd[i]));
         if (ret != HDF_SUCCESS) {
@@ -221,6 +223,8 @@ static int32_t Icn9700Off(struct PanelData *panel)
     /* send mipi init code */
     int32_t count = sizeof(g_offCmd) / sizeof(g_offCmd[0]);
     int32_t i;
+    /* set mipi to lp mode */
+    MipiDsiSetLpMode(icn9700->mipiHandle);
     for (i = 0; i < count; i++) {
         ret = MipiDsiTx(icn9700->mipiHandle, &(g_offCmd[i]));
         if (ret != HDF_SUCCESS) {
@@ -228,8 +232,6 @@ static int32_t Icn9700Off(struct PanelData *panel)
             return HDF_FAILURE;
         }
     }
-    /* set mipi to lp mode */
-    MipiDsiSetLpMode(icn9700->mipiHandle);
     /* lcd reset power off */
     ret = LcdResetOff(icn9700);
     if (ret != HDF_SUCCESS) {