linux-kernel - [PATCH 1/2] drm/msm: add compatibles for sm8150/sm8250 display

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Date:   Thu, 11 Feb 2021 13:09:58 -0500
From:   Jonathan Marek <jonathan@...ek.ca>
To:     linux-arm-msm@...r.kernel.org
Cc:     Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Kalyan Thota <kalyan_t@...eaurora.org>,
        Tanmay Shah <tanmay@...eaurora.org>,
        Eric Anholt <eric@...olt.net>,
        Drew Davenport <ddavenport@...omium.org>,
        Jeykumar Sankaran <jsanka@...eaurora.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        tongtiangen <tongtiangen@...wei.com>,
        Qinglang Miao <miaoqinglang@...wei.com>,
        dri-devel@...ts.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO
        GPU),
        freedreno@...ts.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO
        GPU),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/2] drm/msm: add compatibles for sm8150/sm8250 display

The driver already has support for sm8150/sm8250, but the compatibles were
never added.

Also inverse the non-mdp4 condition in add_display_components() to avoid
having to check every new compatible in the condition.

Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
---
 Documentation/devicetree/bindings/display/msm/dpu.txt | 4 ++--
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c               | 2 ++
 drivers/gpu/drm/msm/msm_drv.c                         | 6 +++---
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/msm/dpu.txt b/Documentation/devicetree/bindings/display/msm/dpu.txt
index 551ae26f60da..5763f43200a0 100644
--- a/Documentation/devicetree/bindings/display/msm/dpu.txt
+++ b/Documentation/devicetree/bindings/display/msm/dpu.txt
@@ -8,7 +8,7 @@ The DPU display controller is found in SDM845 SoC.
 
 MDSS:
 Required properties:
-- compatible:  "qcom,sdm845-mdss", "qcom,sc7180-mdss"
+- compatible:  "qcom,sdm845-mdss", "qcom,sc7180-mdss", "qcom,sm8150-mdss", "qcom,sm8250-mdss"
 - reg: physical base address and length of contoller's registers.
 - reg-names: register region names. The following region is required:
   * "mdss"
@@ -41,7 +41,7 @@ Optional properties:
 
 MDP:
 Required properties:
-- compatible: "qcom,sdm845-dpu", "qcom,sc7180-dpu"
+- compatible: "qcom,sdm845-dpu", "qcom,sc7180-dpu", "qcom,sm8150-dpu", "qcom,sm8250-dpu"
 - reg: physical base address and length of controller's registers.
 - reg-names : register region names. The following region is required:
   * "mdp"
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 5a8e3e1fc48c..fff12a4c8bfc 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1219,6 +1219,8 @@ static const struct dev_pm_ops dpu_pm_ops = {
 static const struct of_device_id dpu_dt_match[] = {
 	{ .compatible = "qcom,sdm845-dpu", },
 	{ .compatible = "qcom,sc7180-dpu", },
+	{ .compatible = "qcom,sm8150-dpu", },
+	{ .compatible = "qcom,sm8250-dpu", },
 	{}
 };
 MODULE_DEVICE_TABLE(of, dpu_dt_match);
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 94525ac76d4e..928f13d4bfbc 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -1185,9 +1185,7 @@ static int add_display_components(struct device *dev,
 	 * Populate the children devices, find the MDP5/DPU node, and then add
 	 * the interfaces to our components list.
 	 */
-	if (of_device_is_compatible(dev->of_node, "qcom,mdss") ||
-	    of_device_is_compatible(dev->of_node, "qcom,sdm845-mdss") ||
-	    of_device_is_compatible(dev->of_node, "qcom,sc7180-mdss")) {
+	if (!of_device_is_compatible(dev->of_node, "qcom,mdp4")) {
 		ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
 		if (ret) {
 			DRM_DEV_ERROR(dev, "failed to populate children devices\n");
@@ -1320,6 +1318,8 @@ static const struct of_device_id dt_match[] = {
 	{ .compatible = "qcom,mdss", .data = (void *)KMS_MDP5 },
 	{ .compatible = "qcom,sdm845-mdss", .data = (void *)KMS_DPU },
 	{ .compatible = "qcom,sc7180-mdss", .data = (void *)KMS_DPU },
+	{ .compatible = "qcom,sm8150-mdss", .data = (void *)KMS_DPU },
+	{ .compatible = "qcom,sm8250-mdss", .data = (void *)KMS_DPU },
 	{}
 };
 MODULE_DEVICE_TABLE(of, dt_match);
-- 
2.26.1