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drm/colorop: Add multiplier type

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This introduces a new drm_colorop_type: DRM_COLOROP_MULTIPLIER.

It's a simple multiplier to all pixel values. The value is
specified via a S31.32 fixed point provided via the
"MULTIPLIER" property.

Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@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/20251115000237.3561250-41-alex.hung@amd.com
This commit is contained in:
Alex Hung
2025-11-14 17:02:05 -07:00
committed by Simon Ser
parent 16e0f785b8
commit 3410108037
5 changed files with 67 additions and 0 deletions
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4
drivers/gpu/drm/drm_atomic_uapi.c
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@@ -728,6 +728,8 @@ static int drm_atomic_colorop_set_property(struct drm_colorop *colorop,
state->bypass = val;
} else if (property == colorop->curve_1d_type_property) {
state->curve_1d_type = val;
} else if (property == colorop->multiplier_property) {
state->multiplier = val;
} else if (property == colorop->data_property) {
return drm_atomic_color_set_data_property(colorop, state,
property, val);
@@ -753,6 +755,8 @@ drm_atomic_colorop_get_property(struct drm_colorop *colorop,
*val = state->bypass;
else if (property == colorop->curve_1d_type_property)
*val = state->curve_1d_type;
else if (property == colorop->multiplier_property)
*val = state->multiplier;
else if (property == colorop->size_property)
*val = colorop->size;
else if (property == colorop->data_property)