dcn32_deter...tio_prefetch(9)

🌸 NAME 🌸

dcn32_determine_max_vratio_prefetch — okay so bestie, this one literally determines the max Vratio for prefetch, and it does it by driver policy. that's the whole assignment and it ate 💅

this lil beauty lives in the Kernel API Manual, section 9, iykyk ✨

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🦋 SYNOPSIS 🦋

double dcn32_determine_max_vratio_prefetch (struct dc *dc , struct dc_state *context );

like yes, she takes two structs and hands you back a double. main character energy fr fr 🎀

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🫶 ARGUMENTS 🫶

• dc — the Current DC state. that's the state you're in right now, no cap 💖
• context — the New DC state to be programmed. the fresh fit, the one getting programmed next ✨

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⭐ RETURN ⭐

Max vratio for prefetch. that's the vibe, that's the value, periodt 🔥

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💜 SEE ALSO 💜

Kernel file: ./drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c

and the whole squad, in order, because we don't skip anyone's moment 👑

• dcn32_helper_populate_phantom_dlg_params(9)
• dcn32_set_phantom_stream_timing(9)
• dcn32_get_num_free_pipes(9)
• dcn32_assign_subvp_pipe(9)
• dcn32_enough_pipes_for_subvp(9)
• subvp_subvp_schedulable(9)
• subvp_drr_schedulable(9)
• subvp_vblank_schedulable(9)
• subvp_subvp_admissable(9)
• subvp_validate_static_schedulability(9)
• dcn32_allow_subvp_high_refresh_rate(9)
• dcn32_assign_fpo_vactive_candidate(9)
• dcn32_find_vactive_pipe(9)

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ngl bestie, that's the entire page — no hidden options, no sneaky env vars, no exit statuses. she's short and she's iconic 🌈

okay and before I go — this whole thing came from ./drivers/gpu/drm/amd/display/..., dated October 2026, and it's chilling in the Kernel API Manual as dcn32_deter...tio_prefetch(9). mwah, bye 🍓🧚