dpu_hw_wb_init(9)

dpu_hw_wb_init(9) 💅

okay so this is from the Kernel API Manual, and we're talking about the writeback hw driver object init. Slay, let's get into it ✨

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🌸 NAME 🌸

dpu_hw_wb_init — Initializes the writeback hw driver object.

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✨ SYNOPSIS ✨

bestie, the signature is literally right here, no cap:

       struct dpu_hw_wb * dpu_hw_wb_init (struct drm_device *dev , const struct
       dpu_wb_cfg *cfg , void __iomem *addr , const struct dpu_mdss_version
       *mdss_rev );

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💅 ARGUMENTS 💅

okay so here's the tea on every single argument, no skips:

• dev — Corresponding device for devres management 🫶
• cfg — wb_path catalog entry for which driver object is required 👑
• addr — mapped register io address of MDP ⭐
• mdss_rev — dpu core's major and minor versions 🦋

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🎀 RETURN 🎀

you get an error code 😭 or the allocated dpu_hw_wb context 💖 — either way, that's the return situation, fr fr.

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🦋 SEE ALSO 🦋

• Kernel file ./drivers/gpu/drm/msm/disp/dpu1/dpu_hw_wb.c 👀

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okay bye bestie 🫶 this page is from the ./drivers/gpu/drm/msm/disp/dpu1 source/version, dated October 2026 — dpu_hw_wb_init(9) out 💅