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drm/colorop: Define LUT_1D interpolation

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We want to make sure userspace is aware of the 1D LUT
interpolation. While linear interpolation is common it
might not be supported on all HW. Give driver implementers
a way to specify their interpolation.

Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-44-alex.hung@amd.com
This commit is contained in:
Harry Wentland
2025-11-14 17:02:08 -07:00
committed by Simon Ser
parent 68186c7375
commit 7fa3ee8c0a
6 changed files with 79 additions and 4 deletions
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4
drivers/gpu/drm/drm_atomic_uapi.c
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@@ -726,6 +726,8 @@ static int drm_atomic_colorop_set_property(struct drm_colorop *colorop,
{
if (property == colorop->bypass_property) {
state->bypass = val;
} else if (property == colorop->lut1d_interpolation_property) {
colorop->lut1d_interpolation = val;
} else if (property == colorop->curve_1d_type_property) {
state->curve_1d_type = val;
} else if (property == colorop->multiplier_property) {
@@ -753,6 +755,8 @@ drm_atomic_colorop_get_property(struct drm_colorop *colorop,
*val = colorop->type;
else if (property == colorop->bypass_property)
*val = state->bypass;
else if (property == colorop->lut1d_interpolation_property)
*val = colorop->lut1d_interpolation;
else if (property == colorop->curve_1d_type_property)
*val = state->curve_1d_type;
else if (property == colorop->multiplier_property)