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Message-Id: <20250917-mtk-post-blend-color-pipeline-v2-9-ac4471b44758@collabora.com>
Date: Wed, 17 Sep 2025 20:43:18 -0400
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Chun-Kuang Hu <chunkuang.hu@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Haneen Mohammed <hamohammed.sa@...il.com>,
Melissa Wen <melissa.srw@...il.com>
Cc: Alex Hung <alex.hung@....com>, wayland-devel@...ts.freedesktop.org,
harry.wentland@....com, leo.liu@....com, ville.syrjala@...ux.intel.com,
pekka.paalanen@...labora.com, contact@...rsion.fr, mwen@...lia.com,
jadahl@...hat.com, sebastian.wick@...hat.com, shashank.sharma@....com,
agoins@...dia.com, joshua@...ggi.es, mdaenzer@...hat.com, aleixpol@....org,
xaver.hugl@...il.com, victoria@...tem76.com, uma.shankar@...el.com,
quic_naseer@...cinc.com, quic_cbraga@...cinc.com, quic_abhinavk@...cinc.com,
marcan@...can.st, Liviu.Dudau@....com, sashamcintosh@...gle.com,
chaitanya.kumar.borah@...el.com, louis.chauvet@...tlin.com,
mcanal@...lia.com, kernel@...labora.com, daniels@...labora.com,
leandro.ribeiro@...labora.com, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
Nícolas F. R. A. Prado <nfraprado@...labora.com>,
Simona Vetter <simona.vetter@...ll.ch>
Subject: [PATCH RFC v2 09/20] drm/colorop: Factor out common paths from
colorops helpers
Factor out the common code paths from the colorop helpers so they can be
reused by the post-blend colorop helpers.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
---
drivers/gpu/drm/drm_colorop.c | 145 ++++++++++++++++++++++++++++--------------
1 file changed, 99 insertions(+), 46 deletions(-)
diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c
index 1384a259605fa4945aa74402901886d7e1fde0d1..db137169effa6cd9e6d5805f65bdfd1cc6882075 100644
--- a/drivers/gpu/drm/drm_colorop.c
+++ b/drivers/gpu/drm/drm_colorop.c
@@ -91,8 +91,9 @@ static const struct drm_prop_enum_list drm_colorop_lut3d_interpolation_list[] =
/* Init Helpers */
-static int drm_plane_colorop_init(struct drm_device *dev, struct drm_colorop *colorop,
- struct drm_plane *plane, enum drm_colorop_type type, uint32_t flags)
+static int drm_common_colorop_init(struct drm_device *dev,
+ struct drm_colorop *colorop,
+ enum drm_colorop_type type, uint32_t flags)
{
struct drm_mode_config *config = &dev->mode_config;
struct drm_property *prop;
@@ -105,7 +106,6 @@ static int drm_plane_colorop_init(struct drm_device *dev, struct drm_colorop *co
colorop->base.properties = &colorop->properties;
colorop->dev = dev;
colorop->type = type;
- colorop->plane = plane;
colorop->next = NULL;
list_add_tail(&colorop->head, &config->colorop_list);
@@ -154,6 +154,20 @@ static int drm_plane_colorop_init(struct drm_device *dev, struct drm_colorop *co
return ret;
}
+static int drm_plane_colorop_init(struct drm_device *dev,
+ struct drm_colorop *colorop,
+ struct drm_plane *plane,
+ enum drm_colorop_type type, uint32_t flags)
+{
+ int ret;
+
+ ret = drm_common_colorop_init(dev, colorop, type, flags);
+
+ colorop->plane = plane;
+
+ return ret;
+}
+
/**
* drm_colorop_cleanup - Cleanup a drm_colorop object in color_pipeline
*
@@ -206,31 +220,13 @@ EXPORT_SYMBOL(drm_colorop_pipeline_destroy);
* @flags: bitmask of misc, see DRM_COLOROP_FLAG_* defines.
* @return zero on success, -E value on failure
*/
-int drm_plane_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *colorop,
- struct drm_plane *plane, u64 supported_tfs, uint32_t flags)
+static int drm_common_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *colorop,
+ u64 supported_tfs, uint32_t flags)
{
struct drm_prop_enum_list enum_list[DRM_COLOROP_1D_CURVE_COUNT];
int i, len;
struct drm_property *prop;
- int ret;
-
- if (!supported_tfs) {
- drm_err(dev,
- "No supported TFs for new 1D curve colorop on [PLANE:%d:%s]\n",
- plane->base.id, plane->name);
- return -EINVAL;
- }
-
- if ((supported_tfs & -BIT(DRM_COLOROP_1D_CURVE_COUNT)) != 0) {
- drm_err(dev, "Unknown TF provided on [PLANE:%d:%s]\n",
- plane->base.id, plane->name);
- return -EINVAL;
- }
-
- ret = drm_plane_colorop_init(dev, colorop, plane, DRM_COLOROP_1D_CURVE, flags);
- if (ret)
- return ret;
len = 0;
for (i = 0; i < DRM_COLOROP_1D_CURVE_COUNT; i++) {
@@ -260,6 +256,41 @@ int drm_plane_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *
return 0;
}
+
+static int drm_colorop_has_supported_tf(struct drm_device *dev, struct drm_mode_object *obj,
+ const char *name, u64 supported_tfs)
+{
+ if (!supported_tfs) {
+ drm_err(dev,
+ "No supported TFs for new 1D curve colorop on [PLANE:%d:%s]\n",
+ obj->id, name);
+ return -EINVAL;
+ }
+
+ if ((supported_tfs & -BIT(DRM_COLOROP_1D_CURVE_COUNT)) != 0) {
+ drm_err(dev, "Unknown TF provided on [PLANE:%d:%s]\n",
+ obj->id, name);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int drm_plane_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *colorop,
+ struct drm_plane *plane, u64 supported_tfs, uint32_t flags)
+{
+ int ret;
+
+ ret = drm_colorop_has_supported_tf(dev, &plane->base, plane->name, supported_tfs);
+ if (ret)
+ return ret;
+
+ ret = drm_plane_colorop_init(dev, colorop, plane, DRM_COLOROP_1D_CURVE, flags);
+ if (ret)
+ return ret;
+
+ return drm_common_colorop_curve_1d_init(dev, colorop, supported_tfs, flags);
+}
EXPORT_SYMBOL(drm_plane_colorop_curve_1d_init);
static int drm_colorop_create_data_prop(struct drm_device *dev, struct drm_colorop *colorop)
@@ -280,29 +311,16 @@ static int drm_colorop_create_data_prop(struct drm_device *dev, struct drm_color
return 0;
}
-/**
- * drm_plane_colorop_curve_1d_lut_init - Initialize a DRM_COLOROP_1D_LUT
- *
- * @dev: DRM device
- * @colorop: The drm_colorop object to initialize
- * @plane: The associated drm_plane
- * @lut_size: LUT size supported by driver
- * @lut1d_interpolation: 1D LUT interpolation type
- * @flags: bitmask of misc, see DRM_COLOROP_FLAG_* defines.
- * @return zero on success, -E value on failure
- */
-int drm_plane_colorop_curve_1d_lut_init(struct drm_device *dev, struct drm_colorop *colorop,
- struct drm_plane *plane, uint32_t lut_size,
- enum drm_colorop_lut1d_interpolation_type lut1d_interpolation,
- uint32_t flags)
+static int
+drm_common_colorop_curve_1d_lut_init(struct drm_device *dev,
+ struct drm_colorop *colorop,
+ uint32_t lut_size,
+ enum drm_colorop_lut1d_interpolation_type lut1d_interpolation,
+ uint32_t flags)
{
struct drm_property *prop;
int ret;
- ret = drm_plane_colorop_init(dev, colorop, plane, DRM_COLOROP_1D_LUT, flags);
- if (ret)
- return ret;
-
/* initialize 1D LUT only attribute */
/* LUT size */
prop = drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE | DRM_MODE_PROP_ATOMIC,
@@ -334,17 +352,40 @@ int drm_plane_colorop_curve_1d_lut_init(struct drm_device *dev, struct drm_color
return 0;
}
-EXPORT_SYMBOL(drm_plane_colorop_curve_1d_lut_init);
-int drm_plane_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *colorop,
- struct drm_plane *plane, uint32_t flags)
+/**
+ * drm_plane_colorop_curve_1d_lut_init - Initialize a DRM_COLOROP_1D_LUT
+ *
+ * @dev: DRM device
+ * @colorop: The drm_colorop object to initialize
+ * @plane: The associated drm_plane
+ * @lut_size: LUT size supported by driver
+ * @lut1d_interpolation: 1D LUT interpolation type
+ * @flags: bitmask of misc, see DRM_COLOROP_FLAG_* defines.
+ * @return zero on success, -E value on failure
+ */
+int
+drm_plane_colorop_curve_1d_lut_init(struct drm_device *dev, struct drm_colorop *colorop,
+ struct drm_plane *plane, uint32_t lut_size,
+ enum drm_colorop_lut1d_interpolation_type lut1d_interpolation,
+ uint32_t flags)
{
int ret;
- ret = drm_plane_colorop_init(dev, colorop, plane, DRM_COLOROP_CTM_3X4, flags);
+ ret = drm_plane_colorop_init(dev, colorop, plane, DRM_COLOROP_1D_LUT, flags);
if (ret)
return ret;
+ return drm_common_colorop_curve_1d_lut_init(dev, colorop, lut_size,
+ lut1d_interpolation, flags);
+}
+EXPORT_SYMBOL(drm_plane_colorop_curve_1d_lut_init);
+
+static int drm_common_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *colorop,
+ uint32_t flags)
+{
+ int ret;
+
ret = drm_colorop_create_data_prop(dev, colorop);
if (ret)
return ret;
@@ -353,6 +394,18 @@ int drm_plane_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *c
return 0;
}
+
+int drm_plane_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *colorop,
+ struct drm_plane *plane, uint32_t flags)
+{
+ int ret;
+
+ ret = drm_plane_colorop_init(dev, colorop, plane, DRM_COLOROP_CTM_3X4, flags);
+ if (ret)
+ return ret;
+
+ return drm_common_colorop_ctm_3x4_init(dev, colorop, flags);
+}
EXPORT_SYMBOL(drm_plane_colorop_ctm_3x4_init);
/**
--
2.50.1
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