From: Vinod Koul <vkoul@kernel.org>
To: Stephen Boyd <swboyd@chromium.org>
Cc: Kuogee Hsieh <khsieh@codeaurora.org>,
agross@kernel.org, bjorn.andersson@linaro.org,
devicetree@vger.kernel.org, robdclark@gmail.com,
robh+dt@kernel.org, sean@poorly.run, abhinavk@codeaurora.org,
aravindh@codeaurora.org, freedreno@lists.freedesktop.org,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
kishon@ti.com, p.zabel@pengutronix.de
Subject: Re: [PATCH v4] phy: qcom-qmp: add support for display port voltage and pre-emphasis swing
Date: Tue, 7 Dec 2021 17:34:59 +0530 [thread overview]
Message-ID: <Ya9N65mseobpBrYx@matsya> (raw)
In-Reply-To: <CAE-0n51OA3c_hcnpJ-k5ZQvCN3kv8PcjLMRw4BLx9OKZPjGLcA@mail.gmail.com>
On 02-12-21, 14:51, Stephen Boyd wrote:
> Quoting Stephen Boyd (2021-09-14 12:49:13)
> > Quoting Kuogee Hsieh (2021-09-14 09:45:01)
> > > Both voltage and pre-emphasis swing level are set during link training
> > > negotiation between host and sink. There are totally four tables added.
> > > A voltage swing table for both hbr and hbr1, a voltage table for both
> > > hbr2 and hbr3, a pre-emphasis table for both hbr and hbr1 and a pre-emphasis
> > > table for both hbr2 and hbr3. In addition, write 0x0a to TX_TX_POL_INV is
> > > added to complete the sequence of configure dp phy base on HPG.
> > >
> > > Chnages in v2:
> > > -- revise commit test
> > > -- add Fixes tag
> > > -- replaced voltage_swing_cfg with voltage
> > > -- replaced pre_emphasis_cfg with emphasis
> > > -- delete drv_lvl_reg and emp_post_reg parameters from qcom_qmp_v4_phy_configure_dp_swing()
> > > -- delete drv_lvl_reg and emp_post_reg parameters from qcom_qmp_phy_configure_dp_swing()
> > >
> > > Changes in V3:
> > > -- add __qcom_qmp_phy_configure_dp_swing() to commit swing/pre-emphasis level
> > >
> > > Changes in V4:
> > > -- pass 2D array to __qcom_qmp_phy_configure_dp_swing()
> > >
> > > Fixes: aff188feb5e1 ("phy: qcom-qmp: add support for sm8250-usb3-dp phy")
> > > Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
> > > ---
> >
> > Reviewed-by: Stephen Boyd <swboyd@chromium.org>
>
> Can this patch be picked up?
Somehow this is not in my queue. Kuogee can you add tags received and
rebase and send please
--
~Vinod
next prev parent reply other threads:[~2021-12-07 12:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-14 16:45 [PATCH v4] phy: qcom-qmp: add support for display port voltage and pre-emphasis swing Kuogee Hsieh
2021-09-14 19:49 ` Stephen Boyd
2021-12-02 22:51 ` Stephen Boyd
2021-12-07 12:04 ` Vinod Koul [this message]
2021-12-02 23:10 ` Bjorn Andersson
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