pvr_set_dma_info(9)

💖 pvr_set_dma_info(9) 💖

okay so bestie, we're in the Kernel API Manual and this page is literally about pvr_set_dma_info — like, the function that sets PowerVR device DMA information. no cap. 💅

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✨ NAME ✨

pvr_set_dma_info — Set PowerVR device DMA information, periodt. 🎀

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💅 SYNOPSIS 💅

the signature, verbatim, because we do not play with code around here:

int pvr_set_dma_info (struct pvr_device *pvr_dev );

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🎀 ARGUMENTS 🎀

• pvr_dev — the target PowerVR device. that's the one, bestie. 🫶

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🦋 DESCRIPTION 🦋

so what it does is sets the DMA mask and the max segment size for the PowerVR device. that's the vibe. iconic behavior, honestly. ✨

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🌸 RETURN 🌸

it returns one of these cuties:

• 0 on success,
• Any error returned by PVR_FEATURE_VALUE, or
• Any error returned by dma_set_mask.

so yeah, check the return value — it's giving "important information," fr fr. 😭

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🔥 SEE ALSO 🔥

go look at these, bestie — iykyk:

• Kernel file ./drivers/gpu/drm/imagination/pvr_device.c
• pvr_device_reg_init(9)
• pvr_device_clk_init(9)
• pvr_device_process_active_queues(9)
• pvr_device_irq_init(9)
• pvr_device_irq_fini(9)
• pvr_build_firmware_filename(9)
• pvr_request_firmware(9)
• pvr_gpuid_decode_reg(9)
• pvr_gpuid_decode_string(9)
• enum pvr_gpu_support_level(9)
• pvr_load_gpu_id(9)
• pvr_device_gpu_init(9)
• pvr_device_gpu_fini(9)
• pvr_device_init(9)
• pvr_device_fini(9)
• pvr_device_has_feature(9)

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mwah 💋 this page comes straight from the source at ./drivers/gpu/drm/imagination, dated October 2026 — bye bestie, slay responsibly! 🫶🌈