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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /include/drm/drm_blend.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/drm/drm_blend.h')
-rw-r--r-- | include/drm/drm_blend.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/drm/drm_blend.h b/include/drm/drm_blend.h new file mode 100644 index 000000000..330c561c4 --- /dev/null +++ b/include/drm/drm_blend.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2016 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifndef __DRM_BLEND_H__ +#define __DRM_BLEND_H__ + +#include <linux/list.h> +#include <linux/ctype.h> +#include <drm/drm_mode.h> + +struct drm_device; +struct drm_atomic_state; +struct drm_plane; + +static inline bool drm_rotation_90_or_270(unsigned int rotation) +{ + return rotation & (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270); +} + +#define DRM_BLEND_ALPHA_OPAQUE 0xffff + +int drm_plane_create_alpha_property(struct drm_plane *plane); +int drm_plane_create_rotation_property(struct drm_plane *plane, + unsigned int rotation, + unsigned int supported_rotations); +unsigned int drm_rotation_simplify(unsigned int rotation, + unsigned int supported_rotations); + +int drm_plane_create_zpos_property(struct drm_plane *plane, + unsigned int zpos, + unsigned int min, unsigned int max); +int drm_plane_create_zpos_immutable_property(struct drm_plane *plane, + unsigned int zpos); +int drm_atomic_normalize_zpos(struct drm_device *dev, + struct drm_atomic_state *state); +#endif |