From: Changyeon Lee <cyeon.lee@samsung.com>
Date: Thu, 1 Sep 2016 06:21:46 +0000 (+0900)
Subject: cache flush when unmap device CPU
X-Git-Tag: submit/tizen/20160901.063035^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c0521f050aee13d3c545b0f635cf538c08fa6ef4;p=platform%2Fadaptation%2Fsamsung_exynos%2Flibtbm-exynos.git

cache flush when unmap device CPU

Change-Id: I1da0647f5d67db256c18d326411fd060724e8593
---

diff --git a/src/tbm_bufmgr_exynos.c b/src/tbm_bufmgr_exynos.c
index 6f81ac4..e3d5b4d 100644
--- a/src/tbm_bufmgr_exynos.c
+++ b/src/tbm_bufmgr_exynos.c
@@ -232,6 +232,7 @@ struct _tbm_bo_exynos {
 
 	tbm_bo_cache_state cache_state;
 	unsigned int map_cnt;
+	int last_map_device;
 };
 
 /* tbm bufmgr private for exynos */
@@ -1459,6 +1460,8 @@ tbm_exynos_bo_map(tbm_bo bo, int device, int opt)
 	if (bo_exynos->map_cnt == 0)
 		_bo_set_cache_state(bufmgr_exynos, bo_exynos, device, opt);
 
+	bo_exynos->last_map_device = device;
+
 	bo_exynos->map_cnt++;
 
 	return bo_handle;
@@ -1478,6 +1481,7 @@ tbm_exynos_bo_unmap(tbm_bo bo)
 	bo_exynos = (tbm_bo_exynos)tbm_backend_get_bo_priv(bo);
 	EXYNOS_RETURN_VAL_IF_FAIL(bo_exynos != NULL, 0);
 
+
 	if (!bo_exynos->gem)
 		return 0;
 
@@ -1486,6 +1490,13 @@ tbm_exynos_bo_unmap(tbm_bo bo)
 	if (bo_exynos->map_cnt == 0)
 		_bo_save_cache_state(bufmgr_exynos, bo_exynos);
 
+#ifdef ENABLE_CACHECRTL
+	if (bo_exynos->last_map_device == TBM_DEVICE_CPU)
+		_exynos_cache_flush(bufmgr_exynos, bo_exynos, TBM_EXYNOS_CACHE_FLUSH_ALL);
+#endif
+
+	bo_exynos->last_map_device = -1;
+
 	DBG("     [%s] bo:%p, gem:%d(%d), fd:%d\n", target_name(),
 	    bo,
 	    bo_exynos->gem, bo_exynos->name,