diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h')
-rw-r--r-- | drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h b/drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h new file mode 100644 index 000000000..545ee223b --- /dev/null +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_mixer.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2017 The Linux Foundation. All rights reserved. + */ + +#ifndef __MDP5_LM_H__ +#define __MDP5_LM_H__ + +/* represents a hw Layer Mixer, one (or more) is dynamically assigned to a crtc */ +struct mdp5_hw_mixer { + int idx; + + const char *name; + + int lm; /* the LM instance # */ + uint32_t caps; + int pp; + int dspp; + + uint32_t flush_mask; /* used to commit LM registers */ +}; + +/* global atomic state of assignment between CRTCs and Layer Mixers: */ +struct mdp5_hw_mixer_state { + struct drm_crtc *hwmixer_to_crtc[8]; +}; + +struct mdp5_hw_mixer *mdp5_mixer_init(const struct mdp5_lm_instance *lm); +void mdp5_mixer_destroy(struct mdp5_hw_mixer *lm); +int mdp5_mixer_assign(struct drm_atomic_state *s, struct drm_crtc *crtc, + uint32_t caps, struct mdp5_hw_mixer **mixer, + struct mdp5_hw_mixer **r_mixer); +int mdp5_mixer_release(struct drm_atomic_state *s, + struct mdp5_hw_mixer *mixer); + +#endif /* __MDP5_LM_H__ */ |