ARM: clk-imx6q: fix video divider for rev T0 1.0
authorGary Bisson <bisson.gary@gmail.com>
Wed, 3 Dec 2014 23:03:51 +0000 (15:03 -0800)
committerShawn Guo <shawn.guo@linaro.org>
Mon, 29 Dec 2014 11:23:34 +0000 (19:23 +0800)
The post dividers do not work on i.MX6Q rev T0 1.0 so they must be fixed
to 1. As the table index was wrong, a divider a of 4 could still be
requested which implied the clock not to be set properly. This is the
root cause of the HDMI not working at high resolution on rev T0 1.0 of
the SoC.

Signed-off-by: Gary Bisson <bisson.gary@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
arch/arm/mach-imx/clk-imx6q.c

index 5951660..2daef61 100644 (file)
@@ -144,7 +144,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
                post_div_table[1].div = 1;
                post_div_table[2].div = 1;
                video_div_table[1].div = 1;
-               video_div_table[2].div = 1;
+               video_div_table[3].div = 1;
        }
 
        clk[IMX6QDL_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));