[PATCH v2 5/5] drm/msm/dpu: enable writeback on SM8550

From: Neil Armstrong
Date: Wed Oct 11 2023 - 07:59:56 EST


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

Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
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