linux-kernel - [PATCH v4 09/25] drm/msm/dpu: Add CWB entry to catalog for SM8650

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Message-ID: <20241216-concurrent-wb-v4-9-fe220297a7f0@quicinc.com>
Date: Mon, 16 Dec 2024 16:43:20 -0800
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Rob Clark <robdclark@...il.com>,
        Dmitry Baryshkov
	<dmitry.baryshkov@...aro.org>,
        <quic_abhinavk@...cinc.com>, Sean Paul
	<sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        "David
 Airlie" <airlied@...il.com>,
        Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Simona Vetter <simona@...ll.ch>,
        Simona Vetter <simona.vetter@...ll.ch>
CC: <quic_ebharadw@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>, <freedreno@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>, Rob Clark <robdclark@...omium.org>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        "Jessica
 Zhang" <quic_jesszhan@...cinc.com>
Subject: [PATCH v4 09/25] drm/msm/dpu: Add CWB entry to catalog for SM8650

From: Esha Bharadwaj <quic_ebharadw@...cinc.com>

Add a new block for concurrent writeback mux to the SM8650 HW catalog

Signed-off-by: Esha Bharadwaj <quic_ebharadw@...cinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@...cinc.com>
---
 .../gpu/drm/msm/disp/dpu1/catalog/dpu_10_0_sm8650.h | 21 +++++++++++++++++++++
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h      | 13 +++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_10_0_sm8650.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_10_0_sm8650.h
index eb5dfff2ec4f48d793f9d83aafed592d0947f04b..33f5faf4833f7534a1403ccec560fffe8ea0bb1f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_10_0_sm8650.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_10_0_sm8650.h
@@ -350,6 +350,25 @@ static const struct dpu_wb_cfg sm8650_wb[] = {
 	},
 };
 
+static const struct dpu_cwb_cfg sm8650_cwb[] = {
+	{
+		.name = "cwb_0", .id = CWB_0,
+		.base = 0x66200, .len = 0x8,
+	},
+	{
+		.name = "cwb_1", .id = CWB_1,
+		.base = 0x66600, .len = 0x8,
+	},
+	{
+		.name = "cwb_2", .id = CWB_2,
+		.base = 0x7E200, .len = 0x8,
+	},
+	{
+		.name = "cwb_3", .id = CWB_3,
+		.base = 0x7E600, .len = 0x8,
+	},
+};
+
 static const struct dpu_intf_cfg sm8650_intf[] = {
 	{
 		.name = "intf_0", .id = INTF_0,
@@ -447,6 +466,8 @@ const struct dpu_mdss_cfg dpu_sm8650_cfg = {
 	.merge_3d = sm8650_merge_3d,
 	.wb_count = ARRAY_SIZE(sm8650_wb),
 	.wb = sm8650_wb,
+	.cwb_count = ARRAY_SIZE(sm8650_cwb),
+	.cwb = sm8650_cwb,
 	.intf_count = ARRAY_SIZE(sm8650_intf),
 	.intf = sm8650_intf,
 	.vbif_count = ARRAY_SIZE(sm8650_vbif),
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
index c701d18c3522393b7d18d085d6554119f27f737b..a407b522282bf07a12cd3af8febff8d91f52b8da 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -613,6 +613,16 @@ struct dpu_wb_cfg {
 	enum dpu_clk_ctrl_type clk_ctrl;
 };
 
+/*
+ * struct dpu_cwb_cfg : MDP CWB mux instance info
+ * @id:                enum identifying this block
+ * @base:              register base offset to mdss
+ * @features           bit mask identifying sub-blocks/features
+ */
+struct dpu_cwb_cfg {
+	DPU_HW_BLK_INFO;
+};
+
 /**
  * struct dpu_vbif_dynamic_ot_cfg - dynamic OT setting
  * @pps                pixel per seconds
@@ -815,6 +825,9 @@ struct dpu_mdss_cfg {
 	u32 dspp_count;
 	const struct dpu_dspp_cfg *dspp;
 
+	u32 cwb_count;
+	const struct dpu_cwb_cfg *cwb;
+
 	/* Add additional block data structures here */
 
 	const struct dpu_perf_cfg *perf;

-- 
2.34.1