linux-kernel - [PATCH v3 5/5] drm/msm/dpu: enable writeback on SM8550

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Message-Id: <20231012-topic-sm8550-graphics-sspp-split-clk-v3-5-4bcad69812d3@linaro.org>
Date:   Thu, 12 Oct 2023 11:01:31 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     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:     linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v3 5/5] drm/msm/dpu: enable writeback on SM8550

Enable WB2 hardware block, enabling writeback support on this platform.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h
index 4590a01c1252..d83a68a2cc0a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_0_sm8550.h
@@ -321,6 +321,20 @@ static const struct dpu_dsc_cfg sm8550_dsc[] = {
 	},
 };
 
+static const struct dpu_wb_cfg sm8550_wb[] = {
+	{
+		.name = "wb_2", .id = WB_2,
+		.base = 0x65000, .len = 0x2c8,
+		.features = WB_SM8250_MASK,
+		.format_list = wb2_formats,
+		.num_formats = ARRAY_SIZE(wb2_formats),
+		.xin_id = 6,
+		.vbif_idx = VBIF_RT,
+		.maxlinewidth = 4096,
+		.intr_wb_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 4),
+	},
+};
+
 static const struct dpu_intf_cfg sm8550_intf[] = {
 	{
 		.name = "intf_0", .id = INTF_0,
@@ -418,6 +432,8 @@ const struct dpu_mdss_cfg dpu_sm8550_cfg = {
 	.dsc = sm8550_dsc,
 	.merge_3d_count = ARRAY_SIZE(sm8550_merge_3d),
 	.merge_3d = sm8550_merge_3d,
+	.wb_count = ARRAY_SIZE(sm8550_wb),
+	.wb = sm8550_wb,
 	.intf_count = ARRAY_SIZE(sm8550_intf),
 	.intf = sm8550_intf,
 	.vbif_count = ARRAY_SIZE(sm8550_vbif),

-- 
2.34.1