From: Rob Clark <rob@xxxxxx>
The omapdrm driver uses this for setting per-overlay rotation. It
is likely also useful for setting YUV->RGB colorspace conversion
matrix, etc.
---
drivers/gpu/drm/drm_crtc.c | 19 +++++++++++++++++++
include/drm/drm_crtc.h | 5 +++++
2 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 2b462f6..b158b72 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -606,6 +606,7 @@ int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
if (ret)
goto out;
+ plane->base.properties = &plane->properties;
plane->dev = dev;
plane->funcs = funcs;
plane->format_types = kmalloc(sizeof(uint32_t) * format_count,
@@ -3163,6 +3164,21 @@ static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
return ret;
}
+static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj,
+ struct drm_property *property,
+ uint64_t value)
+{
+ int ret = -EINVAL;
+ struct drm_plane *plane = obj_to_plane(obj);
+
+ if (plane->funcs->set_property)
+ ret = plane->funcs->set_property(plane, property, value);
+ if (!ret)
+ drm_object_property_set_value(obj, property, value);
+
+ return ret;
+}
+
int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
@@ -3268,6 +3284,9 @@ int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
case DRM_MODE_OBJECT_CRTC:
ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value);
break;
+ case DRM_MODE_OBJECT_PLANE:
+ ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value);
+ break;
}
out:
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 28e9a78..b5017c9 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -618,6 +618,9 @@ struct drm_plane_funcs {
uint32_t src_w, uint32_t src_h);
int (*disable_plane)(struct drm_plane *plane);
void (*destroy)(struct drm_plane *plane);
+
+ int (*set_property)(struct drm_plane *plane,
+ struct drm_property *property, uint64_t val);
};
/**
@@ -657,6 +660,8 @@ struct drm_plane {
const struct drm_plane_funcs *funcs;
void *helper_private;
+
+ struct drm_object_properties properties;
};
/**
--
1.7.9.1
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