Re: [PATCH] phy: qcom: qmp-combo: Add missing PLL (VCO) configuration on SM8750

[Dmitry Baryshkov]

On Mon, Jun 16, 2025 at 08:25:42AM +0200, Krzysztof Kozlowski wrote:
> Add missing DP PHY status and VCO clock configuration registers to fix
> configuring the VCO rate on SM8750.  Without proper VCO rate setting, it
> works on after-reset half of rate which is not enough for DP over USB to
> work as seen on logs:
> 
>   [drm:msm_dp_ctrl_link_train_1_2] *ERROR* max v_level reached
>   [drm:msm_dp_ctrl_link_train_1_2] *ERROR* link training #1 on phy 0 failed. ret=-11
> 
> Fixes: c4364048baf4 ("phy: qcom: qmp-combo: Add new PHY sequences for SM8750")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 3 +++
>  1 file changed, 3 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>


-- 
With best wishes
Dmitry