From: "Rob Herring (Arm)" <robh@kernel.org>
To: Ritesh Kumar <quic_riteshk@quicinc.com>
Cc: quic_mahap@quicinc.com, robin.clark@oss.qualcomm.com,
mripard@kernel.org, krzk+dt@kernel.org,
dri-devel@lists.freedesktop.org, martin.petersen@oracle.com,
tzimmermann@suse.de, lumag@kernel.org, simona@ffwll.ch,
linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com,
sean@poorly.run, kishon@kernel.org,
James.Bottomley@hansenpartnership.com,
marijn.suijten@somainline.org, devicetree@vger.kernel.org,
andersson@kernel.org, cros-qcom-dts-watchers@chromium.org,
linux-scsi@vger.kernel.org, vkoul@kernel.org, mani@kernel.org,
linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
quic_vproddut@quicinc.com, abhinav.kumar@linux.dev,
conor+dt@kernel.org, konradybcio@kernel.org,
freedreno@lists.freedesktop.org, airlied@gmail.com
Subject: Re: [PATCH v4 1/2] dt-bindings: phy: qcom-edp: Add reference clock for sa8775p eDP PHY
Date: Thu, 29 Jan 2026 10:53:03 -0600 [thread overview]
Message-ID: <176970558251.1269081.4205775234649909264.robh@kernel.org> (raw)
In-Reply-To: <20260128114853.2543416-2-quic_riteshk@quicinc.com>
On Wed, 28 Jan 2026 17:18:49 +0530, Ritesh Kumar wrote:
> The initial sa8775p eDP PHY binding contribution missed adding support for
> voting on the eDP reference clock. This went unnoticed because the UFS PHY
> driver happened to enable the same clock.
>
> After commit 77d2fa54a945 ("scsi: ufs: qcom : Refactor phy_power_on/off
> calls"), the eDP reference clock is no longer kept enabled, which results
> in the following PHY power-on failure:
>
> phy phy-aec2a00.phy.10: phy poweron failed --> -110
>
> To fix this, explicit voting for the eDP reference clock is required.
> This patch adds the eDP reference clock for sa8775p eDP PHY and updates
> the corresponding example node.
>
> Signed-off-by: Ritesh Kumar <quic_riteshk@quicinc.com>
> ---
> .../devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml | 6 ++++--
> Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml | 1 +
> 2 files changed, 5 insertions(+), 2 deletions(-)
>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-01-29 16:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 11:48 [PATCH v4 0/2] Add edp reference clock for lemans Ritesh Kumar
2026-01-28 11:48 ` [PATCH v4 1/2] dt-bindings: phy: qcom-edp: Add reference clock for sa8775p eDP PHY Ritesh Kumar
2026-01-29 16:53 ` Rob Herring (Arm) [this message]
2026-03-04 18:57 ` Bjorn Andersson
2026-03-11 13:07 ` Ritesh Kumar
2026-03-30 14:28 ` Bjorn Andersson
2026-03-30 18:42 ` Dmitry Baryshkov
2026-01-28 11:48 ` [PATCH v4 2/2] arm64: dts: qcom: lemans: Add eDP ref clock for eDP PHYs Ritesh Kumar
2026-01-28 12:41 ` Konrad Dybcio
2026-05-10 12:31 ` (subset) [PATCH v4 0/2] Add edp reference clock for lemans Vinod Koul
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