From 4863b168b958164688b3ec0a62b441c1b1db11f0 Mon Sep 17 00:00:00 2001
From: liusheng <liusheng@eswincomputing.com>
Date: Tue, 30 Jul 2024 19:16:18 +0800
Subject: [PATCH 131/222] fix:use timer 500ms to try gpu idle

Changelogs:
1. Default the gpu idle is fast after interrupt came, often the cmd
count > 1, the shortest task cause gpu clk change quicky, then gpu
clock is disable when interrupt came. so use the timer avoid gpu idle
too quickly.

Signed-off-by: liusheng <liusheng@eswincomputing.com>
---
 .../eswin/hae/hal/kernel/gc_hal_kernel.h      |  2 ++
 .../hae/hal/kernel/gc_hal_kernel_event.c      | 23 +++++++++++++++++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/eswin/hae/hal/kernel/gc_hal_kernel.h b/drivers/staging/media/eswin/hae/hal/kernel/gc_hal_kernel.h
index 922cbae61a8c..20ccde6d9e79 100644
--- a/drivers/staging/media/eswin/hae/hal/kernel/gc_hal_kernel.h
+++ b/drivers/staging/media/eswin/hae/hal/kernel/gc_hal_kernel.h
@@ -828,6 +828,8 @@ struct _gckEVENT {
 
     gctPOINTER                  submitTimer;
 
+    gctPOINTER                  tryIdleTimer;
+
 #if gcdINTERRUPT_STATISTIC
     gctPOINTER                  interruptCount;
 #endif
diff --git a/drivers/staging/media/eswin/hae/hal/kernel/gc_hal_kernel_event.c b/drivers/staging/media/eswin/hae/hal/kernel/gc_hal_kernel_event.c
index 882b453ec897..c210a5237740 100644
--- a/drivers/staging/media/eswin/hae/hal/kernel/gc_hal_kernel_event.c
+++ b/drivers/staging/media/eswin/hae/hal/kernel/gc_hal_kernel_event.c
@@ -511,6 +511,13 @@ _SubmitTimerFunction(gctPOINTER Data)
     gcmkVERIFY_OK(gckEVENT_Submit(event, &eventAttr));
 }
 
+void
+_TryIdleTimerFunction(gctPOINTER Data)
+{
+    gckEVENT event = (gckEVENT)Data;
+    _TryToIdleGPU(event);
+}
+
 /******************************************************************************
  ******************************* gckEVENT API Code ****************************
  ******************************************************************************/
@@ -601,6 +608,10 @@ gckEVENT_Construct(gckKERNEL Kernel, gckCOMMAND Command, gckEVENT *Event)
                                     (gctPOINTER)eventObj,
                                     &eventObj->submitTimer));
 
+    gcmkVERIFY_OK(gckOS_CreateTimer(os, _TryIdleTimerFunction,
+                                    (gctPOINTER)eventObj,
+                                    &eventObj->tryIdleTimer));
+
 #if gcdINTERRUPT_STATISTIC
     gcmkONERROR(gckOS_AtomConstruct(os, &eventObj->interruptCount));
     gcmkONERROR(gckOS_AtomSet(os, eventObj->interruptCount, 0));
@@ -680,6 +691,11 @@ gckEVENT_Destroy(gckEVENT Event)
         gcmkVERIFY_OK(gckOS_DestroyTimer(Event->os, Event->submitTimer));
     }
 
+    if (Event->tryIdleTimer != gcvNULL) {
+        gcmkVERIFY_OK(gckOS_StopTimer(Event->os, Event->tryIdleTimer));
+        gcmkVERIFY_OK(gckOS_DestroyTimer(Event->os, Event->tryIdleTimer));
+    }
+
     /* Delete the queue mutex. */
     gcmkVERIFY_OK(gckOS_DeleteMutex(Event->os, Event->eventQueueMutex));
 
@@ -2047,8 +2063,11 @@ gckEVENT_Notify(gckEVENT Event, gctUINT32 IDs, gceEVENT_FAULT *Fault)
         gcmkTRACE_ZONE(gcvLEVEL_VERBOSE, gcvZONE_EVENT, "Handled interrupt 0x%x", mask);
     }
 
-    if (IDs == 0)
-        gcmkONERROR(_TryToIdleGPU(Event));
+    if (IDs == 0) {
+        gcmkONERROR(gckOS_StartTimer(Event->kernel->os,
+                                    Event->kernel->eventObj->tryIdleTimer,
+                                    500));
+    }
 
     /* End of event handling. */
     Event->notifyState = -1;
-- 
2.47.0