[patch 4/8] RFC: drivers/video/rockchip/rk_edp.c: Change clock rate

[Alper Nebi Yasak]

On 25/09/2020 21:36, Arnaud Patard (Rtp) wrote:
> The current code is setting the clock rate to 192000000, but
> due to the current device-tree configuration and linux code,
> it should rather be 100000000.
> 

This looks like it's ACLK_VOP to me. FYI, coreboot sets it to 192 MHz
for rk3288 and 200 MHz for rk3399. But from what I can understand the
U-Boot rk3399 clock driver just ignores this call and sets it to 198 MHz
anyway while setting DCLK_VOP...

> Signed-off-by: Arnaud Patard <arnaud.patard at rtp-net.org>
> Index: u-boot/drivers/video/rockchip/rk_edp.c
> ===================================================================
> --- u-boot.orig/drivers/video/rockchip/rk_edp.c
> +++ u-boot/drivers/video/rockchip/rk_edp.c
> @@ -1075,7 +1078,7 @@ static int rk_edp_probe(struct udevice *
>  	}
>  	ret = clk_get_by_index(uc_plat->src_dev, 0, &clk);
>  	if (ret >= 0) {
> -		ret = clk_set_rate(&clk, 192000000);
> +		ret = clk_set_rate(&clk, 100000000);
>  		clk_free(&clk);
>  	}
>  	if (ret < 0) {
> 
>