mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 13:43:55 +08:00
84c0851794
It's for legacy drivers only (atomic ones should use drm_atomic_helper_check_plane_state() instead), and there's no users left except the one in the primary plane helpers. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181004202446.22905-18-daniel.vetter@ffwll.ch
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2011-2013 Intel Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#ifndef DRM_PLANE_HELPER_H
|
|
#define DRM_PLANE_HELPER_H
|
|
|
|
#include <drm/drm_rect.h>
|
|
#include <drm/drm_crtc.h>
|
|
#include <drm/drm_modeset_helper_vtables.h>
|
|
#include <drm/drm_modeset_helper.h>
|
|
|
|
/*
|
|
* Drivers that don't allow primary plane scaling may pass this macro in place
|
|
* of the min/max scale parameters of the update checker function.
|
|
*
|
|
* Due to src being in 16.16 fixed point and dest being in integer pixels,
|
|
* 1<<16 represents no scaling.
|
|
*/
|
|
#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
|
|
|
|
void drm_primary_helper_destroy(struct drm_plane *plane);
|
|
extern const struct drm_plane_funcs drm_primary_helper_funcs;
|
|
|
|
#endif
|