ENGR00252727-2 [GPU]Power on VG core if there is only VG core in SoC

-Power on VG core to makesure VG can be initalized if there is only
VG core in SoC.
-Power off VG core after initalization is done.
-Adjust VG power and clock state to match above changing.

Signed-off-by: Loren Huang <b02279@freescale.com>
Acked-by: Lily Zhang

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c
index 4a8e09c66774..7168f0ecea4c 100644
--- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c
+++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c
@@ -1632,6 +1632,11 @@ gckGALDEVICE_Start(
     {
         /* Setup the ISR routine. */
         gcmkONERROR(gckGALDEVICE_Setup_ISR_VG(Device));
+
+        /* Switch to SUSPEND power state. */
+        gcmkONERROR(gckVGHARDWARE_SetPowerManagementState(
+            Device->kernels[gcvCORE_VG]->vg->hardware, gcvPOWER_OFF_BROADCAST
+            ));
     }
 
     gcmkFOOTER_NO();