MLK-17107-02: hdmi: Add api function return check

Add api function return check to hdmi api call.

Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
(cherry picked from commit cba6f4fc6f382731fabf938fb9e03db1c17b1666)

Conflicts:
	drivers/gpu/drm/imx/hdp/imx-hdmi.c

diff --git a/drivers/gpu/drm/imx/hdp/imx-hdmi.c b/drivers/gpu/drm/imx/hdp/imx-hdmi.c
index ecba30c..28b15ba 100644 (file)
--- a/drivers/gpu/drm/imx/hdp/imx-hdmi.c
+++ b/drivers/gpu/drm/imx/hdp/imx-hdmi.c
@@ -101,17 +101,29 @@ void hdmi_mode_set(state_struct *state, int vic, int format, int color_depth, in
                ptype = 2;
 
        ret = CDN_API_HDMITX_Init_blocking(state);
-       pr_info("CDN_API_STATUS CDN_API_HDMITX_Init_blocking  ret = %d\n", ret);
+       if (ret != CDN_OK) {
+               pr_info("CDN_API_STATUS CDN_API_HDMITX_Init_blocking  ret = %d\n", ret);
+               return;
+       }
 
        /* Set HDMI TX Mode */
        ret = CDN_API_HDMITX_Set_Mode_blocking(state, ptype, character_freq_khz);
-       pr_info("CDN_API_HDMITX_Set_Mode_blocking ret = %d\n", ret);
+       if (ret != CDN_OK) {
+               pr_info("CDN_API_HDMITX_Set_Mode_blocking ret = %d\n", ret);
+               return;
+       }
 
        ret = CDN_API_Set_AVI(state, vic, format, bw_type);
-       pr_info("CDN_API_Set_AVI  ret = %d\n", ret);
+       if (ret != CDN_OK) {
+               pr_info("CDN_API_Set_AVI  ret = %d\n", ret);
+               return;
+       }
 
        ret =  CDN_API_HDMITX_SetVic_blocking(state, vic, color_depth, format);
-       pr_info("CDN_API_HDMITX_SetVic_blocking ret = %d\n", ret);
+       if (ret != CDN_OK) {
+               pr_info("CDN_API_HDMITX_SetVic_blocking ret = %d\n", ret);
+               return;
+       }
 
        msleep(50);
 }
@@ -178,17 +190,29 @@ void hdmi_mode_set_t28hpc(state_struct *state, int vic, int format, int color_de
                ptype = 2;
 
        ret = CDN_API_HDMITX_Init_blocking(state);
-       pr_info("CDN_API_STATUS CDN_API_HDMITX_Init_blocking  ret = %d\n", ret);
+       if (ret != CDN_OK) {
+               pr_info("CDN_API_STATUS CDN_API_HDMITX_Init_blocking  ret = %d\n", ret);
+               return;
+       }
 
        /* Set HDMI TX Mode */
        ret = CDN_API_HDMITX_Set_Mode_blocking(state, ptype, character_freq_khz);
-       pr_info("CDN_API_HDMITX_Set_Mode_blocking ret = %d\n", ret);
+       if (ret != CDN_OK) {
+               pr_info("CDN_API_HDMITX_Set_Mode_blocking ret = %d\n", ret);
+               return;
+       }
 
        ret = CDN_API_Set_AVI(state, vic, format, bw_type);
-       pr_info("CDN_API_Set_AVI  ret = %d\n", ret);
+       if (ret != CDN_OK) {
+               pr_info("CDN_API_Set_AVI  ret = %d\n", ret);
+               return;
+       }
 
        ret = CDN_API_HDMITX_SetVic_blocking(state, vic, color_depth, format);
-       pr_info("CDN_API_HDMITX_SetVic_blocking ret = %d\n", ret);
+       if (ret != CDN_OK) {
+               pr_info("CDN_API_HDMITX_SetVic_blocking ret = %d\n", ret);
+               return;
+       }
 
        msleep(200);
 }