linux-kernel - [PATCH 6/6] drm/msm/dp: Add support for Glymur

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Message-Id: <20250911-glymur-display-v1-6-d391a343292e@linaro.org>
Date: Thu, 11 Sep 2025 15:28:53 +0300
From: Abel Vesa <abel.vesa@...aro.org>
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>
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, Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH 6/6] drm/msm/dp: Add support for Glymur

The Qualcomm Glymur platform comes with 4 DisplayPort controllers, which
have different offsets than all previous platforms. Describe them and add
the compatible.

Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
 drivers/gpu/drm/msm/dp/dp_display.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index d87d47cc7ec3eb757ac192c411000bc50b824c59..9bd9cd5c1e03cc17598b222177b6682bbcd89f0c 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -130,6 +130,14 @@ struct msm_dp_desc {
 	bool wide_bus_supported;
 };
 
+static const struct msm_dp_desc msm_dp_desc_glymur[] = {
+	{ .io_start = 0x0af54000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true },
+	{ .io_start = 0x0af5c000, .id = MSM_DP_CONTROLLER_1, .wide_bus_supported = true },
+	{ .io_start = 0x0af64000, .id = MSM_DP_CONTROLLER_2, .wide_bus_supported = true },
+	{ .io_start = 0x0af6c000, .id = MSM_DP_CONTROLLER_3, .wide_bus_supported = true },
+	{}
+};
+
 static const struct msm_dp_desc msm_dp_desc_sa8775p[] = {
 	{ .io_start = 0x0af54000, .id = MSM_DP_CONTROLLER_0, .wide_bus_supported = true },
 	{ .io_start = 0x0af5c000, .id = MSM_DP_CONTROLLER_1, .wide_bus_supported = true },
@@ -187,6 +195,7 @@ static const struct msm_dp_desc msm_dp_desc_x1e80100[] = {
 };
 
 static const struct of_device_id msm_dp_dt_match[] = {
+	{ .compatible = "qcom,glymur-dp", .data = &msm_dp_desc_glymur },
 	{ .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 },

-- 
2.45.2