linux-kernel - [PATCH 04/16] drm/msm/dpu: add cdm blocks to sc7280 dpu_hw

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Date:   Wed, 30 Aug 2023 15:48:57 -0700
From:   Abhinav Kumar <quic_abhinavk@...cinc.com>
To:     <freedreno@...ts.freedesktop.org>, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>,
        "Daniel Vetter" <daniel@...ll.ch>
CC:     <dri-devel@...ts.freedesktop.org>, <quic_jesszhan@...cinc.com>,
        <quic_parellan@...cinc.com>, <quic_khsieh@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 04/16] drm/msm/dpu: add cdm blocks to sc7280 dpu_hw_catalog

Add CDM blocks to the sc7280 dpu_hw_catalog to support
YUV format output from writeback block.

Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
---
 .../gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h  |  9 +++++++++
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h      | 13 +++++++++++++
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h         |  5 +++++
 3 files changed, 27 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
index 3b5061c4402a..5252170f216d 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_7_2_sc7280.h
@@ -251,10 +251,19 @@ static const struct dpu_mdss_version sc7280_mdss_ver = {
 	.core_minor_ver = 2,
 };
 
+static const struct dpu_cdm_cfg sc7280_cdm = {
+	.name = "cdm_0",
+	.id = CDM_0,
+	.len = 0x228,
+	.base = 0x79200,
+	.features = 0,
+};
+
 const struct dpu_mdss_cfg dpu_sc7280_cfg = {
 	.mdss_ver = &sc7280_mdss_ver,
 	.caps = &sc7280_dpu_caps,
 	.mdp = &sc7280_mdp,
+	.cdm = &sc7280_cdm,
 	.ctl_count = ARRAY_SIZE(sc7280_ctl),
 	.ctl = sc7280_ctl,
 	.sspp_count = ARRAY_SIZE(sc7280_sspp),
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 6c9634209e9f..4ea7c3f85a95 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -693,6 +693,17 @@ struct dpu_vbif_cfg {
 	u32 memtype[MAX_XIN_COUNT];
 };
 
+/**
+ * struct dpu_cdm_cfg - information of chroma down blocks
+ * @name               string name for debug purposes
+ * @id                 enum identifying this block
+ * @base               register offset of this block
+ * @features           bit mask identifying sub-blocks/features
+ */
+struct dpu_cdm_cfg {
+	DPU_HW_BLK_INFO;
+};
+
 /**
  * Define CDP use cases
  * @DPU_PERF_CDP_UDAGE_RT: real-time use cases
@@ -816,6 +827,8 @@ struct dpu_mdss_cfg {
 	u32 wb_count;
 	const struct dpu_wb_cfg *wb;
 
+	const struct dpu_cdm_cfg *cdm;
+
 	u32 ad_count;
 
 	u32 dspp_count;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
index d85157acfbf8..4d6dba18caf0 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
@@ -185,6 +185,11 @@ enum dpu_dsc {
 	DSC_MAX
 };
 
+enum dpu_cdm {
+	CDM_0 = 1,
+	CDM_MAX
+};
+
 enum dpu_pingpong {
 	PINGPONG_NONE,
 	PINGPONG_0,
-- 
2.40.1