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Message-ID: <20250806-mdssdt_qcs8300-v6-6-dbc17a8b86af@quicinc.com>
Date: Wed, 6 Aug 2025 11:16:50 +0800
From: Yongxing Mou <quic_yongmou@...cinc.com>
To: Rob Clark <robin.clark@....qualcomm.com>,
Dmitry Baryshkov
<lumag@...nel.org>,
Abhinav Kumar <abhinav.kumar@...ux.dev>,
Jessica Zhang
<jessica.zhang@....qualcomm.com>,
Sean Paul <sean@...rly.run>,
Marijn Suijten
<marijn.suijten@...ainline.org>,
Maarten Lankhorst
<maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Rob Herring <robh@...nel.org>,
"Krzysztof
Kozlowski" <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
"Neil
Armstrong" <neil.armstrong@...aro.org>,
Kuogee Hsieh
<quic_khsieh@...cinc.com>,
Bjorn Andersson <andersson@...nel.org>,
"Konrad
Dybcio" <konradybcio@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
<freedreno@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
Yongxing Mou <quic_yongmou@...cinc.com>
Subject: [PATCH v6 6/6] drm/msm/dp: Add DisplayPort controller for QCS8300
The Qualcomm QCS8300 platform comes with one DisplayPort controller
with same base offset as SM8650. But it requires new compatible string
because QCS8300 controller supports 4 MST streams. 4 MST streams will
be enabled as part of MST feature support. Currently, using SM8650 as
fallback to enable SST on QCS8300.
Signed-off-by: Yongxing Mou <quic_yongmou@...cinc.com>
---
drivers/gpu/drm/msm/dp/dp_display.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index d87d47cc7ec3eb757ac192c411000bc50b824c59..bb4660585849d1a67921a28e7e12422e0c327ab2 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -187,6 +187,7 @@ static const struct msm_dp_desc msm_dp_desc_x1e80100[] = {
};
static const struct of_device_id msm_dp_dt_match[] = {
+ { .compatible = "qcom,qcs8300-dp", .data = &msm_dp_desc_sm8650 },
{ .compatible = "qcom,sa8775p-dp", .data = &msm_dp_desc_sa8775p },
{ .compatible = "qcom,sc7180-dp", .data = &msm_dp_desc_sc7180 },
{ .compatible = "qcom,sc7280-dp", .data = &msm_dp_desc_sc7280 },
--
2.34.1
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