From: Arpit Saini <arpit.saini@oss.qualcomm.com>
To: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Abel Vesa <abelvesa@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Linus Walleij <linusw@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, mahadevan.p@oss.qualcomm.com,
rajeevny@qti.qualcomm.com,
Ayushi Makhija <ayushi.makhija@oss.qualcomm.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Arpit Saini <arpit.saini@oss.qualcomm.com>
Subject: [PATCH v3] arm64: dts: qcom: sm8750-mtp: Set sufficient voltage for panel nt37801
Date: Wed, 07 Oct 2026 15:17:31 +0530 [thread overview]
Message-ID: <20261007-resend-upstream-attention-v3-1-c2af21b3def4@oss.qualcomm.com> (raw)
From: Ayushi Makhija <ayushi.makhija@oss.qualcomm.com>
The NT37801 Sepc V1.0 chapter "5.7.1 Power On Sequence" states
VDDI=1.65V~1.95V, so set sufficient voltage for panel nt37801.
Fixes: 4fca6849864d ("drm/panel: Add Novatek NT37801 panel driver")
Signed-off-by: Ayushi Makhija <ayushi.makhija@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Arpit Saini <arpit.saini@oss.qualcomm.com>
---
Changes in v3:
- Added my signed-off by.
- Link to v2: https://lore.kernel.org/r/4f8a2731-4ea4-49d9-924c-ebde9fc58170@oss.qualcomm.com
---
arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
index 64bc1cec612e..9ecb40e7e39f 100644
--- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
@@ -462,7 +462,7 @@ vreg_l11b_1p0: ldo11 {
vreg_l12b_1p8: ldo12 {
regulator-name = "vreg_l12b_1p8";
- regulator-min-microvolt = <1200000>;
+ regulator-min-microvolt = <1650000>;
regulator-max-microvolt = <1800000>;
regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
regulator-allow-set-load;
---
base-commit: eea3fef32a9cf36abcb5975a5a594e4135a6b026
change-id: 20261007-resend-upstream-attention-f964719a0733
Best regards,
--
Arpit Saini <arpit.saini@oss.qualcomm.com>
next reply other threads:[~2026-10-07 11:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-07 9:47 Arpit Saini [this message]
2026-11-07 22:10 ` Bjorn Andersson
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