[PATCH v5 11/12] drm/msm/dpu: Add Kaanapali WB support

From: yuanjie yang
Date: Thu Jan 08 2026 - 07:40:17 EST


From: Yuanjie Yang <yuanjie.yang@xxxxxxxxxxxxxxxx>

Add support for Kaanapali WB, which introduce register
relocations, use the updated registeri definition to ensure
compatibility.

Co-developed-by: Yongxing Mou <yongxing.mou@xxxxxxxxxxxxxxxx>
Signed-off-by: Yongxing Mou <yongxing.mou@xxxxxxxxxxxxxxxx>
Signed-off-by: Yuanjie Yang <yuanjie.yang@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
index 478a091aeccf..006dcc4a0dcc 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c
@@ -148,6 +148,15 @@ static void dpu_hw_wb_setup_qos_lut(struct dpu_hw_wb *ctx,
cfg);
}

+static void dpu_hw_wb_setup_qos_lut_v13(struct dpu_hw_wb *ctx,
+ struct dpu_hw_qos_cfg *cfg)
+{
+ if (!ctx || !cfg)
+ return;
+
+ _dpu_hw_setup_qos_lut_v13(&ctx->hw, cfg);
+}
+
static void dpu_hw_wb_setup_cdp(struct dpu_hw_wb *ctx,
const struct msm_format *fmt,
bool enable)
@@ -202,8 +211,12 @@ static void _setup_wb_ops(struct dpu_hw_wb_ops *ops,
if (test_bit(DPU_WB_XY_ROI_OFFSET, &features))
ops->setup_roi = dpu_hw_wb_roi;

- if (test_bit(DPU_WB_QOS, &features))
- ops->setup_qos_lut = dpu_hw_wb_setup_qos_lut;
+ if (test_bit(DPU_WB_QOS, &features)) {
+ if (mdss_rev->core_major_ver >= 13)
+ ops->setup_qos_lut = dpu_hw_wb_setup_qos_lut_v13;
+ else
+ ops->setup_qos_lut = dpu_hw_wb_setup_qos_lut;
+ }

if (test_bit(DPU_WB_CDP, &features))
ops->setup_cdp = dpu_hw_wb_setup_cdp;
--
2.34.1