To guarantee that we do not get Overflow in image FIFO the outer bandwidth has
to be faster than inputer bandwidth. For that it must be possible to set a
faster frequency clock. So set new parent to sys_pfd3 clock for the mipi csi
block.
Acked-by: Shawn Guo <shawn...@kernel.org>
Signed-off-by: Rui Miguel Silva <rui.si...@linaro.org>
---
drivers/clk/imx/clk-imx7d.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c
index f7f4db2e6fa6..27877d05faa2 100644
--- a/drivers/clk/imx/clk-imx7d.c
+++ b/drivers/clk/imx/clk-imx7d.c
@@ -891,6 +891,8 @@ static void __init imx7d_clocks_init(struct device_node
*ccm_node)
clk_set_parent(clks[IMX7D_PLL_AUDIO_MAIN_BYPASS],
clks[IMX7D_PLL_AUDIO_MAIN]);
clk_set_parent(clks[IMX7D_PLL_VIDEO_MAIN_BYPASS],
clks[IMX7D_PLL_VIDEO_MAIN]);
+ clk_set_parent(clks[IMX7D_MIPI_CSI_ROOT_SRC],
clks[IMX7D_PLL_SYS_PFD3_CLK]);
+
/* use old gpt clk setting, gpt1 root clk must be twice as gpt counter
freq */
clk_set_parent(clks[IMX7D_GPT1_ROOT_SRC], clks[IMX7D_OSC_24M_CLK]);
--
2.17.0
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