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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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3
drivers/gpu/drm/drm_atomic.c
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@@ -801,6 +801,9 @@ static void drm_atomic_colorop_print_state(struct drm_printer *p,
case DRM_COLOROP_CTM_3X4:
drm_printf(p, "\tdata blob id=%d\n", state->data ? state->data->base.id : 0);
break;
case DRM_COLOROP_MULTIPLIER:
drm_printf(p, "\tmultiplier=%llu\n", state->multiplier);
break;
default:
break;
}