__set_input_tf(9)

✨ __set_input_tf(9) ✨

okay bestie, welcome to the Kernel API Manual 💖 today’s main character is __set_input_tf(9), and she is literally here to calculate the input transfer function based on expected input space. no cap. 🎀

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🌸 NAME 🌸

__set_input_tf — calculates the input transfer function based on expected input space.

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🦋 SYNOPSIS 🦋

int __set_input_tf (struct dc_color_caps *caps , struct dc_transfer_func *func , const struct drm_color_lut *lut , uint32_t lut_size );

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💅 ARGUMENTS 💅

• caps — dc color capabilities. the vibe check for what colors this thing can do 💖
• func — transfer function. this is the function bestie, main character energy fr fr ✨
• lut — lookup table that defines the color space. iconic little table, not me being obsessed 🎀
• lut_size — size of respective lut. yes, she has a size, and we respect it 💅

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👑 RETURN 👑

0 in case of success. -ENOMEM if fails. slay when it works, and when it doesn’t, it’s giving -ENOMEM 😭💀

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🌈 SEE ALSO 🌈

Kernel file ./drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c — go read her, she’s iconic 🫶

• overview(9)
• amdgpu_dm_init_color_mod(9)
• __extract_blob_lut(9)
• __extract_blob_lut32(9)
• __is_lut_linear(9)
• __drm_lut_to_dc_gamma(9)
• __drm_lut32_to_dc_gamma(9)
• __drm_ctm_to_dc_matrix(9)
• __drm_ctm_3x4_to_dc_matrix(9)
• __set_legacy_tf(9)
• __set_output_tf(9)
• __set_output_tf_32(9)
• __set_input_tf_32(9)
• amdgpu_dm_verify_lut3d_size(9)
• amdgpu_dm_verify_lut_sizes(9)
• amdgpu_dm_check_crtc_color_mgmt(9)
• amdgpu_dm_update_crtc_color_mgmt(9)
• amdgpu_dm_update_plane_color_mgmt(9)

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mwah 💖 source/version: ./drivers/gpu/drm/amd/display/... and date: October 2026, periodt 🧚‍♀️