helper: add tdm_helper_output_vblank_timer_expired

To check if output-vblank is expired

Change-Id: I4c3339a62f970372c2749808f2a8d930dd211935

diff --git a/include/tdm_helper.h b/include/tdm_helper.h
index fa82602..99fd638 100644 (file)
--- a/include/tdm_helper.h
+++ b/include/tdm_helper.h
@@ -236,6 +236,14 @@ tdm_helper_get_display_information(tdm_display *dpy, char *reply, int *len);
 int
 tdm_helper_output_commit_per_vblank_enabled(tdm_output *output);
 
+/**
+ * @brief Get whether the vblank timer is expired or not for the output.
+ * @param[in] output An output the functionality has to be checked for
+ * @return -1 if error occurred, 1 if enabled, 0 if disabled.
+ */
+unsigned int
+tdm_helper_output_vblank_timer_expired(tdm_output *output);
+
 #ifdef __cplusplus
 }
 #endif

diff --git a/src/tdm_helper.c b/src/tdm_helper.c
index 6e2c5cf..0f6cd37 100644 (file)
--- a/src/tdm_helper.c
+++ b/src/tdm_helper.c
@@ -1087,3 +1087,12 @@ tdm_helper_output_commit_per_vblank_enabled(tdm_output *output)
        return !!private_output->commit_per_vblank;
 }
 
+EXTERN unsigned int
+tdm_helper_output_vblank_timer_expired(tdm_output *output)
+{
+       tdm_private_output *private_output = output;
+
+       TDM_RETURN_VAL_IF_FAIL(private_output != NULL, -1);
+
+       return private_output->vblank_timeout_timer_expired;
+}
\ No newline at end of file

diff --git a/src/tdm_output.c b/src/tdm_output.c
index 49b113b..53ea938 100644 (file)
--- a/src/tdm_output.c
+++ b/src/tdm_output.c
@@ -68,7 +68,12 @@ _tdm_output_vblank_timeout_cb(void *user_data)
 
        TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OPERATION_FAILED);
 
-       TDM_ERR("TDM output(%d) vblank TIMEOUT!!", private_output->pipe);
+       private_output->vblank_timeout_timer_expired++;
+
+       TDM_ERR("TDM output(%d) vblank TIMEOUT!! (%d time%s)",
+                       private_output->pipe,
+                       private_output->vblank_timeout_timer_expired,
+                       (private_output->vblank_timeout_timer_expired > 1) ? "s" : "");
 
        LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
                TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
@@ -112,6 +117,7 @@ _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_del
                        return;
                }
                TDM_INFO("output(%d) create vblank timeout timer", private_output->pipe);
+               private_output->vblank_timeout_timer_expired = 0;
        }
 
        ret = tdm_event_loop_source_timer_update(private_output->vblank_timeout_timer, ms_delay);

diff --git a/src/tdm_private_types.h b/src/tdm_private_types.h
index 099dae1..2b6d25d 100644 (file)
--- a/src/tdm_private_types.h
+++ b/src/tdm_private_types.h
@@ -208,6 +208,7 @@ struct _tdm_private_output {
        int layer_waiting_vblank;
 
        tdm_event_loop_source *vblank_timeout_timer;
+       unsigned int vblank_timeout_timer_expired;
 
        struct list_head change_handler_list;