We'll construct color pipelines out of drm_colorop by
chaining them via the NEXT pointer. NEXT will point to
the next drm_colorop in the pipeline, or by 0 if we're
at the end of the pipeline.
Signed-off-by: Harry Wentland <harry.wentl...@amd.com>
Cc: Ville Syrjala <ville.syrj...@linux.intel.com>
Cc: Pekka Paalanen <pekka.paala...@collabora.com>
Cc: Simon Ser <cont...@emersion.fr>
Cc: Harry Wentland <harry.wentl...@amd.com>
Cc: Melissa Wen <m...@igalia.com>
Cc: Jonas Ådahl <jad...@redhat.com>
Cc: Sebastian Wick <sebastian.w...@redhat.com>
Cc: Shashank Sharma <shashank.sha...@amd.com>
Cc: Alexander Goins <ago...@nvidia.com>
Cc: Joshua Ashton <jos...@froggi.es>
Cc: Michel Dänzer <mdaen...@redhat.com>
Cc: Aleix Pol <aleix...@kde.org>
Cc: Xaver Hugl <xaver.h...@gmail.com>
Cc: Victoria Brekenfeld <victo...@system76.com>
Cc: Sima <dan...@ffwll.ch>
Cc: Uma Shankar <uma.shan...@intel.com>
Cc: Naseer Ahmed <quic_nas...@quicinc.com>
Cc: Christopher Braga <quic_cbr...@quicinc.com>
Cc: Abhinav Kumar <quic_abhin...@quicinc.com>
Cc: Arthur Grillo <arthurgri...@riseup.net>
Cc: Hector Martin <mar...@marcan.st>
Cc: Liviu Dudau <liviu.du...@arm.com>
Cc: Sasha McIntosh <sashamcint...@google.com>
---
drivers/gpu/drm/drm_colorop.c | 27 +++++++++++++++++++++++++++
include/drm/drm_colorop.h | 12 ++++++++++++
2 files changed, 39 insertions(+)
diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c
index ff6331fe5d5e..bc1250718baf 100644
--- a/drivers/gpu/drm/drm_colorop.c
+++ b/drivers/gpu/drm/drm_colorop.c
@@ -104,6 +104,15 @@ int drm_colorop_init(struct drm_device *dev, struct
drm_colorop *colorop,
colorop->curve_1d_type_property,
0);
+ prop = drm_property_create_object(dev, DRM_MODE_PROP_IMMUTABLE |
DRM_MODE_PROP_ATOMIC,
+ "NEXT", DRM_MODE_OBJECT_COLOROP);
+ if (!prop)
+ return -ENOMEM;
+ colorop->next_property = prop;
+ drm_object_attach_property(&colorop->base,
+ colorop->next_property,
+ 0);
+
return ret;
}
EXPORT_SYMBOL(drm_colorop_init);
@@ -262,3 +271,21 @@ const char *drm_get_colorop_curve_1d_type_name(enum
drm_colorop_curve_1d_type ty
return colorop_curve_1d_type_name[type];
}
+
+/**
+ * drm_colorop_set_next_property - sets the next pointer
+ * @colorop: drm colorop
+ * @next: next colorop
+ *
+ * Should be used when constructing the color pipeline
+ */
+void drm_colorop_set_next_property(struct drm_colorop *colorop, struct
drm_colorop *next)
+{
+ if (!colorop->next_property)
+ return;
+
+ drm_object_property_set_value(&colorop->base,
+ colorop->next_property,
+ next->base.id);
+}
+EXPORT_SYMBOL(drm_colorop_set_next_property);
diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h
index 69636f6752a0..1ddd0e65fe36 100644
--- a/include/drm/drm_colorop.h
+++ b/include/drm/drm_colorop.h
@@ -162,10 +162,20 @@ struct drm_colorop {
*/
struct drm_property *curve_1d_type_property;
+ /**
+ * @next_property
+ *
+ * Read-only property to next colorop in the pipeline
+ */
+ struct drm_property *next_property;
+
};
#define obj_to_colorop(x) container_of(x, struct drm_colorop, base)
+
+
+
/**
* drm_crtc_find - look up a Colorop object from its ID
* @dev: DRM device
@@ -212,5 +222,7 @@ static inline unsigned int drm_colorop_index(const struct
drm_colorop *colorop)
#define drm_for_each_colorop(colorop, dev) \
list_for_each_entry(colorop, &(dev)->mode_config.colorop_list, head)
+void drm_colorop_set_next_property(struct drm_colorop *colorop, struct
drm_colorop *next);
+
#endif /* __DRM_COLOROP_H__ */
--
2.42.0
