pvr_cr_read32(9)

💅 pvr_cr_read32(9)

okay bestie, welcome to the Kernel API Manual ✨ — today's main character is pvr_cr_read32, and honestly? she's iconic in the most low-key way. This one lives in the Linux kernel API docs, and it does exactly one thing, but she does it well. 🎀

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🌸 NAME 🌸

pvr_cr_read32 — read a 32-bit register from a PowerVR device 🦋

That's it. That's the whole vibe. You point at a register, it hands you back the number. No cap, no drama.

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✨ SYNOPSIS ✨

u32 pvr_cr_read32 (const struct pvr_device *pvr_dev , u32 reg );

Look at her go 😭 — takes two things, gives you back a u32. Simple. Elegant. Ate. 💅

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🫶 ARGUMENTS 🫶

• pvr_dev — the target PowerVR device, like… the actual device you're reading from. Your main character device, if you will 👑
• reg — the target register. Literally the exact register you want the value of. Point at it and ask nicely 🎯

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⭐ RETURN ⭐

It returns the value of the requested register. That's it, that's the gift 💖 — you asked for a register value, you got a register value, and it's a u32, fr fr.

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🦋 SEE ALSO 🦋

The kernel file ./drivers/gpu/drm/imagination/pvr_device.h is where all the lore lives, bestie 🌈 — and here's the full friend group, every single one of them:

• struct pvr_gpu_id(9)
• struct pvr_fw_version(9)
• struct pvr_device_data(9)
• struct pvr_device(9)
• struct pvr_file(9)
• PVR_HAS_FEATURE(9)
• PVR_FEATURE_VALUE(9)
• PVR_HAS_QUIRK(9)
• PVR_HAS_ENHANCEMENT(9)
• PVR_PACKED_BVNC(9)
• pvr_gpu_id_to_packed_bvnc(9)
• PVR_CR_FIELD_GET(9)
• pvr_cr_read64(9)
• pvr_cr_write32(9)
• pvr_cr_write64(9)
• pvr_cr_poll_reg32(9)
• pvr_cr_poll_reg64(9)
• pvr_round_up_to_cacheline_size(9)
• IOCTL validation helpers(9)
• pvr_ioctl_union_padding_check(9)
• PVR_STATIC_ASSERT_64BIT_ALIGNED(9)
• PVR_IOCTL_UNION_PADDING_CHECK(9)

Like, the whole squad showed up 🧚💜 — read pvr_cr_read64(9) if you're feeling 64-bit, and pvr_cr_write32(9) / pvr_cr_write64(9) when you're in a giving mood, iykyk.

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ngl, this page was brought to you by ./drivers/gpu/drm/imagination, dated October 2026 — go drink some water and read a register responsibly, bestie 🍓💀