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

Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
 .../msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h    | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h 
b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h
index 9ffc8804a6fc..d4b531752ec2 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h
@@ -34,6 +34,7 @@ static const struct dpu_mdp_cfg sc8180x_mdp = {
                [DPU_CLK_CTRL_DMA1] = { .reg_off = 0x2b4, .bit_off = 8 },
                [DPU_CLK_CTRL_DMA2] = { .reg_off = 0x2bc, .bit_off = 8 },
                [DPU_CLK_CTRL_DMA3] = { .reg_off = 0x2c4, .bit_off = 8 },
+               [DPU_CLK_CTRL_WB2] = { .reg_off = 0x2bc, .bit_off = 16 },
        },
 };
 
@@ -298,6 +299,21 @@ static const struct dpu_dsc_cfg sc8180x_dsc[] = {
        },
 };
 
+static const struct dpu_wb_cfg sc8180x_wb[] = {
+       {
+               .name = "wb_2", .id = WB_2,
+               .base = 0x65000, .len = 0x2c8,
+               .features = WB_SDM845_MASK,
+               .format_list = wb2_formats,
+               .num_formats = ARRAY_SIZE(wb2_formats),
+               .clk_ctrl = DPU_CLK_CTRL_WB2,
+               .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 sc8180x_intf[] = {
        {
                .name = "intf_0", .id = INTF_0,
@@ -411,6 +427,8 @@ const struct dpu_mdss_cfg dpu_sc8180x_cfg = {
        .pingpong = sc8180x_pp,
        .merge_3d_count = ARRAY_SIZE(sc8180x_merge_3d),
        .merge_3d = sc8180x_merge_3d,
+       .wb_count = ARRAY_SIZE(sc8180x_wb),
+       .wb = sc8180x_wb,
        .intf_count = ARRAY_SIZE(sc8180x_intf),
        .intf = sc8180x_intf,
        .vbif_count = ARRAY_SIZE(sdm845_vbif),
-- 
2.39.2

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