msm: kgsl: set GPU register RB_GMEM_BASE_ADDR

GPU register RB_GMEM_BASE_ADDR needs to be initialized with GMEM base
address. From A330, OCMEM is utilized to be GMEM dynamically; when
OCMEM is allocated for GFX, the allocated region address may vary
every time, GPU register RB_GMEM_BASE_ADDR need to be initialized
with the allocated OCMEM region address.

Change-Id: I5cb4472a9f18759d2af160a15d83f1404378a530
Signed-off-by: liu zhong <zhongl@codeaurora.org>
Signed-off-by: Rajeev Kulkarni <krajeev@codeaurora.org>
diff --git a/drivers/gpu/msm/adreno.c b/drivers/gpu/msm/adreno.c
index c47c1ac..eda332f 100644
--- a/drivers/gpu/msm/adreno.c
+++ b/drivers/gpu/msm/adreno.c
@@ -1173,7 +1173,7 @@
 		return -ENOMEM;
 
 	adreno_dev->gmem_size = adreno_dev->ocmem_hdl->len;
-	adreno_dev->gmem_base = adreno_dev->ocmem_hdl->addr;
+	adreno_dev->ocmem_base = adreno_dev->ocmem_hdl->addr;
 
 	return 0;
 }