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drm/amd/display: Add support for sRGB EOTF in DEGAM block

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Expose one 1D curve colorop with support for
DRM_COLOROP_1D_CURVE_SRGB_EOTF and program HW to perform
the sRGB transform when the colorop is not in bypass.

With this change the following IGT test passes:
kms_colorop --run plane-XR30-XR30-srgb_eotf

The color pipeline now consists of a single colorop:
1. 1D curve colorop w/ sRGB EOTF

Signed-off-by: Alex Hung <alex.hung@amd.com>
Co-developed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-29-alex.hung@amd.com
This commit is contained in:
Alex Hung
2025-11-14 17:01:53 -07:00
committed by Simon Ser
parent af755a7978
commit 9ba25915ef
5 changed files with 211 additions and 3 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/Makefile
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@@ -39,7 +39,8 @@ AMDGPUDM = \
amdgpu_dm_psr.o \
amdgpu_dm_replay.o \
amdgpu_dm_quirks.o \
amdgpu_dm_wb.o
amdgpu_dm_wb.o \
amdgpu_dm_colorop.o
ifdef CONFIG_DRM_AMD_DC_FP
AMDGPUDM += dc_fpu.o