msm: kgsl: Enable Clock Gating for A3XX GPU

This patch enables HM Clock gating feature for
GPU A3XX.

Change-Id: I6aac21cf80d9fe05741750972a103ba4c3225338
Signed-off-by: Rajeev Kulkarni <krajeev@codeaurora.org>
diff --git a/drivers/gpu/msm/a3xx_reg.h b/drivers/gpu/msm/a3xx_reg.h
index bd58b4e..f5ee1d7 100644
--- a/drivers/gpu/msm/a3xx_reg.h
+++ b/drivers/gpu/msm/a3xx_reg.h
@@ -509,6 +509,6 @@
 #define RBBM_BLOCK_ID_MARB_3           0x2b
 
 /* RBBM_CLOCK_CTL default value */
-#define A3XX_RBBM_CLOCK_CTL_DEFAULT 0x00000000
+#define A3XX_RBBM_CLOCK_CTL_DEFAULT 0xBFFFFFFF
 
 #endif