From: 杜坤明 <dkm@rockchip.com>
Date: Sun, 8 Jan 2012 02:23:27 +0000 (+0800)
Subject: gpu : add gcvFLUSH_ALL at gckVIDMEM_Unlock to avoid gpu hang.
X-Git-Tag: firefly_0821_release~9683
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5f91e097c176078328db1074effd4b6c5d44c535;p=firefly-linux-kernel-4.4.55.git

gpu : add gcvFLUSH_ALL at gckVIDMEM_Unlock to avoid gpu hang.
---

diff --git a/drivers/staging/rk29/vivante/hal/kernel/gc_hal_kernel_video_memory.c b/drivers/staging/rk29/vivante/hal/kernel/gc_hal_kernel_video_memory.c
index 2b0617a41a46..623ce372c451 100755
--- a/drivers/staging/rk29/vivante/hal/kernel/gc_hal_kernel_video_memory.c
+++ b/drivers/staging/rk29/vivante/hal/kernel/gc_hal_kernel_video_memory.c
@@ -1686,7 +1686,7 @@ gckVIDMEM_Unlock(
                     flush = (gceKERNEL_FLUSH) 0;
                 }
 
-                flush = flush | gcvFLUSH_2D;    // dkm : add to avoid the gpu hang
+                flush = gcvFLUSH_ALL;    // dkm : add to avoid the gpu hang
 
                 gcmkONERROR(
                     gckHARDWARE_Flush(hardware, flush, gcvNULL, &requested));