diff --git a/drivers/amlogic/media_modules/common/media_clock/clk/clk.c b/drivers/amlogic/media_modules/common/media_clock/clk/clk.c
index 4102184d0dce..4ffaf12bfb46 100644
--- a/drivers/amlogic/media_modules/common/media_clock/clk/clk.c
+++ b/drivers/amlogic/media_modules/common/media_clock/clk/clk.c
@@ -212,6 +212,12 @@ void hevc_back_clock_enable(void)
 }
 EXPORT_SYMBOL(hevc_back_clock_enable);
 
+void hevc_back_clock_hi_enable(void)
+{
+	hevc_back_clock_set(2);
+}
+EXPORT_SYMBOL(hevc_back_clock_hi_enable);
+
 int hevc_clock_init(void)
 {
 	if (p_vdec_hevc() && p_vdec_hevc()->clock_init)
diff --git a/drivers/amlogic/media_modules/common/media_clock/clk/clk.h b/drivers/amlogic/media_modules/common/media_clock/clk/clk.h
index e1fa3f14929a..5fefcbc6c335 100644
--- a/drivers/amlogic/media_modules/common/media_clock/clk/clk.h
+++ b/drivers/amlogic/media_modules/common/media_clock/clk/clk.h
@@ -46,6 +46,8 @@ int hevc_back_clock_init(void);
 void hevc_back_clock_on(void);
 void hevc_back_clock_off(void);
 int hevc_back_clock_set(int clk);
+void hevc_back_clock_enable(void);
+void hevc_back_clock_hi_enable(void);
 
 int vdec_source_get(enum vdec_type_e core);
 int vdec_clk_get(enum vdec_type_e core);
@@ -128,7 +130,8 @@ static int __init vdec_init_clk(void)
 #endif
 #ifdef VDEC_HAS_HEVC
 	register_vdec_clk_mgr(cpus, VDEC_HEVC, &vdec_hevc_clk_mgr);
-	register_vdec_clk_mgr(cpus, VDEC_HEVCB, &vdec_hevc_back_clk_mgr);
+	if (get_cpu_type() >= MESON_CPU_MAJOR_ID_G12A)
+		register_vdec_clk_mgr(cpus, VDEC_HEVCB, &vdec_hevc_back_clk_mgr);
 #endif
 #ifdef VDEC_HAS_VDEC_HCODEC
 	register_vdec_clk_mgr(cpus, VDEC_HCODEC, &vdec_hcodec_clk_mgr);
diff --git a/drivers/amlogic/media_modules/frame_provider/decoder/utils/vdec.c b/drivers/amlogic/media_modules/frame_provider/decoder/utils/vdec.c
index 615ae4ec4462..261686038264 100644
--- a/drivers/amlogic/media_modules/frame_provider/decoder/utils/vdec.c
+++ b/drivers/amlogic/media_modules/frame_provider/decoder/utils/vdec.c
@@ -2384,6 +2384,7 @@ void vdec_poweron(enum vdec_type_e core)
 				WRITE_VREG(DOS_SW_RESET3, 0);
 				/* enable hevc clock */
 				hevc_clock_hi_enable();
+				hevc_back_clock_hi_enable();
 				/* power up hevc memories */
 				WRITE_VREG(DOS_MEM_PD_HEVC, 0);
 				/* remove hevc isolation */