mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 21:38:32 +08:00
da251bf8f9
Add a new helper to call crtc->mode_valid, connector->mode_valid and encoder->mode_valid callbacks. Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jose Abreu <joabreu@synopsys.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Cc: Carlos Palminha <palminha@synopsys.com> Cc: Dave Airlie <airlied@linux.ie> Changes v2->v3: - Move helpers to drm_probe_helper.c (Daniel) - Squeeze patches that introduce helpers into a single one (Daniel) Signed-off-by: Jose Abreu <joabreu@synopsys.com> [danvet: Make it compile when CONFIG_DRM_DP_AUX_CHARDEV is selected.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/b55c8bd029da219ff04e39086025c115731a49b1.1495720737.git.joabreu@synopsys.com
78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/*
|
|
* Copyright © 2016 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
|
|
*/
|
|
|
|
/*
|
|
* This header file contains mode setting related functions and definitions
|
|
* which are only used within the drm kms helper module as internal
|
|
* implementation details and are not exported to drivers.
|
|
*/
|
|
|
|
#include <drm/drm_connector.h>
|
|
#include <drm/drm_crtc.h>
|
|
#include <drm/drm_dp_helper.h>
|
|
#include <drm/drm_encoder.h>
|
|
#include <drm/drm_modes.h>
|
|
|
|
/* drm_fb_helper.c */
|
|
#ifdef CONFIG_DRM_FBDEV_EMULATION
|
|
int drm_fb_helper_modinit(void);
|
|
#else
|
|
static inline int drm_fb_helper_modinit(void)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* drm_dp_aux_dev.c */
|
|
#ifdef CONFIG_DRM_DP_AUX_CHARDEV
|
|
int drm_dp_aux_dev_init(void);
|
|
void drm_dp_aux_dev_exit(void);
|
|
int drm_dp_aux_register_devnode(struct drm_dp_aux *aux);
|
|
void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux);
|
|
#else
|
|
static inline int drm_dp_aux_dev_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void drm_dp_aux_dev_exit(void)
|
|
{
|
|
}
|
|
|
|
static inline int drm_dp_aux_register_devnode(struct drm_dp_aux *aux)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
/* drm_probe_helper.c */
|
|
enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
|
|
const struct drm_display_mode *mode);
|
|
enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
|
|
const struct drm_display_mode *mode);
|
|
enum drm_mode_status drm_connector_mode_valid(struct drm_connector *connector,
|
|
struct drm_display_mode *mode);
|