ENGR00216855 suspend resume fail related with clock glitch

GPU 2D core suspend resume fail related with clock glitch
Switch GPU 2D core clock to PLL2
PLL3 has an errata TKT094231 To1.2 will fix it

Signed-off-by: Richard Liu <r66033@freescale.com>

diff --git a/arch/arm/mach-mx6/clock.c b/arch/arm/mach-mx6/clock.c
index 34c26d4d3bc07f11039fc13d7f75552e9f33e4b7..4d98b2680672b5aed1a87c62b7c711842f71a964 100644 (file)
--- a/arch/arm/mach-mx6/clock.c
+++ b/arch/arm/mach-mx6/clock.c
@@ -5377,7 +5377,7 @@ int __init mx6_clocks_init(unsigned long ckil, unsigned long osc,
        /* Need to keep PLL3_PFD_540M enabled until AXI is sourced from it. */
        clk_enable(&axi_clk);
 
-       if (cpu_is_mx6q())
+       if (cpu_is_mx6q() && (mx6q_revision() > IMX_CHIP_REVISION_1_1))
                clk_set_parent(&gpu2d_core_clk[0], &pll3_usb_otg_main_clk);
 
        clk_set_parent(&ldb_di0_clk, &pll2_pfd_352M);