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From: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: Vinod Koul <vkoul@kernel.org>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Stephen Boyd <swboyd@chromium.org>,
	Bjorn Andersson <andersson@kernel.org>,
	linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Subject: Re: [PATCH v4 2/5] phy: qcom: edp: Add eDP/DP mode switch support
Date: Thu, 23 Apr 2026 11:14:34 +0800	[thread overview]
Message-ID: <de7b7d37-c556-4a2a-933e-42122ff7765c@oss.qualcomm.com> (raw)
In-Reply-To: <2cyvdtnnmrfz4zffhikfxl2goyby73gybgm3ih52rfpyvbhnzk@37x3g26o2t33>



On 4/23/2026 12:14 AM, Dmitry Baryshkov wrote:
> On Wed, Apr 22, 2026 at 02:01:52PM +0800, Yongxing Mou wrote:
>> The eDP PHY supports both eDP/DP modes, each requires a different table.
>> The current driver doesn't support both modes and use either the eDP or
>> DP table when enable the platform.
> 
> This is not quite true. The driver supports both modes, but it uses a
> fixed static table for eDP programming.
> 
> Other than the commit message, LGTM.
> 
Will modify next patch.
> 
>> Add a separate set of tables for eDP
>> and DP modes, and select the appropriate table based on the current mode.
>>
>> Glymur's DP mode table differs from the other platforms, add a dedicated
>> table for it.
>>
>> Since both modes are supported, so also fixes the table mismatch for
>> X1E80100(eDP) and SA8775P(DP).
>>
>> Cc: stable@vger.kernel.org
>> Fixes: 3f12bf16213c ("phy: qcom: edp: Add support for eDP PHY on SA8775P")
>> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>> Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
>> ---
>>   drivers/phy/qualcomm/phy-qcom-edp.c | 46 +++++++++++++++++++++++++++----------
>>   1 file changed, 34 insertions(+), 12 deletions(-)
>>
> 


  reply	other threads:[~2026-04-23  3:14 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-22  6:01 [PATCH v4 0/5] phy: qcom: edp: Add DP/eDP switch for phys Yongxing Mou
2026-04-22  6:01 ` [PATCH v4 1/5] phy: qcom: edp: Unify generic DP/eDP swing and pre-emphasis tables Yongxing Mou
2026-04-22 16:10   ` Dmitry Baryshkov
2026-04-22  6:01 ` [PATCH v4 2/5] phy: qcom: edp: Add eDP/DP mode switch support Yongxing Mou
2026-04-22 16:14   ` Dmitry Baryshkov
2026-04-23  3:14     ` Yongxing Mou [this message]
2026-04-22  6:01 ` [PATCH v4 5/5] phy: qcom: edp: Add PHY-specific LDO config for eDP low vdiff Yongxing Mou
2026-04-22 17:24 ` [PATCH v4 0/5] phy: qcom: edp: Add DP/eDP switch for phys Dmitry Baryshkov
2026-04-23  6:08   ` Yongxing Mou

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