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drm/amd/display: add plane blend LUT and TF support

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Map plane blend properties to DPP blend gamma. Plane blend is a
post-3D LUT curve that linearizes color space for blending. It may be
defined by a user-blob LUT and/or predefined transfer function. As
hardcoded curve (ROM) is not supported on blend gamma, we use AMD color
module to fill parameters when setting non-linear TF with empty LUT.

v2:
- rename DRM TFs to AMDGPU TFs

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Joshua Ashton <joshua@froggi.es>
Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Joshua Ashton
2023-11-16 18:58:07 -01:00
committed by Alex Deucher
parent 8d26795ae6
commit 783ed4460f
2 changed files with 53 additions and 4 deletions
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1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -8271,6 +8271,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
bundle->surface_updates[planes_count].hdr_mult = dc_plane->hdr_mult;
bundle->surface_updates[planes_count].func_shaper = dc_plane->in_shaper_func;
bundle->surface_updates[planes_count].lut3d_func = dc_plane->lut3d_func;
bundle->surface_updates[planes_count].blend_tf = dc_plane->blend_tf;
}
amdgpu_dm_plane_fill_dc_scaling_info(dm->adev, new_plane_state,