From: Alex Hung <alex.hung@amd.com>
Date: Sat, 15 Nov 2025 00:02:07 +0000 (-0700)
Subject: drm/amd/display: Swap matrix and multiplier
X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=68186c7375ace5597383115cd3781ac8465dac99;p=linux%2F.git

drm/amd/display: Swap matrix and multiplier

Swap the order of matrix and multiplier as designed in hardware.

Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-43-alex.hung@amd.com
---

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
index e0788be907a7..868f3500cb85 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
@@ -1651,25 +1651,25 @@ amdgpu_dm_plane_set_colorop_properties(struct drm_plane_state *plane_state,
 	if (ret)
 		return ret;
 
-	/* 3x4 matrix */
+	/* Multiplier */
 	colorop = colorop->next;
 	if (!colorop) {
-		drm_dbg(dev, "no 3x4 matrix colorop found\n");
+		drm_dbg(dev, "no multiplier colorop found\n");
 		return -EINVAL;
 	}
 
-	ret = __set_dm_plane_colorop_3x4_matrix(plane_state, dc_plane_state, colorop);
+	ret = __set_dm_plane_colorop_multiplier(plane_state, dc_plane_state, colorop);
 	if (ret)
 		return ret;
 
-	/* Multiplier */
+	/* 3x4 matrix */
 	colorop = colorop->next;
 	if (!colorop) {
-		drm_dbg(dev, "no multiplier colorop found\n");
+		drm_dbg(dev, "no 3x4 matrix colorop found\n");
 		return -EINVAL;
 	}
 
-	ret = __set_dm_plane_colorop_multiplier(plane_state, dc_plane_state, colorop);
+	ret = __set_dm_plane_colorop_3x4_matrix(plane_state, dc_plane_state, colorop);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c
index 098c98cc64ff..33907cc8e1b3 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c
@@ -74,14 +74,14 @@ int amdgpu_dm_initialize_default_pipeline(struct drm_plane *plane, struct drm_pr
 
 	i++;
 
-	/* 3x4 matrix */
+	/* Multiplier */
 	ops[i] = kzalloc(sizeof(struct drm_colorop), GFP_KERNEL);
 	if (!ops[i]) {
 		ret = -ENOMEM;
 		goto cleanup;
 	}
 
-	ret = drm_plane_colorop_ctm_3x4_init(dev, ops[i], plane);
+	ret = drm_plane_colorop_mult_init(dev, ops[i], plane);
 	if (ret)
 		goto cleanup;
 
@@ -89,14 +89,14 @@ int amdgpu_dm_initialize_default_pipeline(struct drm_plane *plane, struct drm_pr
 
 	i++;
 
-	/* Multiplier */
+	/* 3x4 matrix */
 	ops[i] = kzalloc(sizeof(struct drm_colorop), GFP_KERNEL);
 	if (!ops[i]) {
 		ret = -ENOMEM;
 		goto cleanup;
 	}
 
-	ret = drm_plane_colorop_mult_init(dev, ops[i], plane);
+	ret = drm_plane_colorop_ctm_3x4_init(dev, ops[i], plane);
 	if (ret)
 		goto cleanup;