[PATCH] phy: qcom: edp: Initialize swing_pre_emph_cfg for sc7280

Vishnu Saini vishnu.saini at oss.qualcomm.com
Mon Apr 6 05:39:23 PDT 2026


On Fri, Apr 03, 2026 at 10:49:16PM +0300, Dmitry Baryshkov wrote:
> On Fri, Apr 03, 2026 at 05:54:56PM +0530, Vishnu Saini wrote:
> > Aux timeout is observed on few monitors like Benq BL2420-T due to
> > missing swing_pre_emph_cfg.
> > 
> > Signed-off-by: Vishnu Saini <vishnu.saini at oss.qualcomm.com>
> > ---
> >  drivers/phy/qualcomm/phy-qcom-edp.c | 1 +
> >  1 file changed, 1 insertion(+)
> 
> Missing Fixes tag.

phy cfg is not initialized for sc7280 when it was added first time with:
https://lore.kernel.org/all/20220207161612.REPOST.v1.2.Iff75c0ea8499f0baf2aa5800f2c45c4128e2415a@changeid/ 
Shall i add this tag? 
Fixes: cc62512c1be3 ("phy: qcom: Add support for eDP PHY on sc7280")

Later phy cfgs added first time with below patches:
https://lore.kernel.org/r/20220810040745.3582985-5-bjorn.andersson@linaro.org
https://lore.kernel.org/r/20220810040745.3582985-6-bjorn.andersson@linaro.org

> -- 
> With best wishes
> Dmitry



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