// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2014-2021 The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark <[email protected]> */ #define pr_fmt(fmt) … #include <linux/sort.h> #include <linux/debugfs.h> #include <linux/ktime.h> #include <linux/bits.h> #include <drm/drm_atomic.h> #include <drm/drm_blend.h> #include <drm/drm_crtc.h> #include <drm/drm_flip_work.h> #include <drm/drm_framebuffer.h> #include <drm/drm_mode.h> #include <drm/drm_probe_helper.h> #include <drm/drm_rect.h> #include <drm/drm_vblank.h> #include <drm/drm_self_refresh_helper.h> #include "dpu_kms.h" #include "dpu_hw_lm.h" #include "dpu_hw_ctl.h" #include "dpu_hw_dspp.h" #include "dpu_crtc.h" #include "dpu_plane.h" #include "dpu_encoder.h" #include "dpu_vbif.h" #include "dpu_core_perf.h" #include "dpu_trace.h" /* layer mixer index on dpu_crtc */ #define LEFT_MIXER … #define RIGHT_MIXER … /* timeout in ms waiting for frame done */ #define DPU_CRTC_FRAME_DONE_TIMEOUT_MS … #define CONVERT_S3_15(val) … static struct dpu_kms *_dpu_crtc_get_kms(struct drm_crtc *crtc) { … } static struct drm_encoder *get_encoder_from_crtc(struct drm_crtc *crtc) { … } static enum dpu_crtc_crc_source dpu_crtc_parse_crc_source(const char *src_name) { … } static int dpu_crtc_verify_crc_source(struct drm_crtc *crtc, const char *src_name, size_t *values_cnt) { … } static void dpu_crtc_setup_lm_misr(struct dpu_crtc_state *crtc_state) { … } static void dpu_crtc_setup_encoder_misr(struct drm_crtc *crtc) { … } static int dpu_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name) { … } static u32 dpu_crtc_get_vblank_counter(struct drm_crtc *crtc) { … } static int dpu_crtc_get_lm_crc(struct drm_crtc *crtc, struct dpu_crtc_state *crtc_state) { … } static int dpu_crtc_get_encoder_crc(struct drm_crtc *crtc) { … } static int dpu_crtc_get_crc(struct drm_crtc *crtc) { … } static bool dpu_crtc_get_scanout_position(struct drm_crtc *crtc, bool in_vblank_irq, int *vpos, int *hpos, ktime_t *stime, ktime_t *etime, const struct drm_display_mode *mode) { … } static void _dpu_crtc_setup_blend_cfg(struct dpu_crtc_mixer *mixer, struct dpu_plane_state *pstate, const struct msm_format *format) { … } static void _dpu_crtc_program_lm_output_roi(struct drm_crtc *crtc) { … } static void _dpu_crtc_blend_setup_pipe(struct drm_crtc *crtc, struct drm_plane *plane, struct dpu_crtc_mixer *mixer, u32 num_mixers, enum dpu_stage stage, const struct msm_format *format, uint64_t modifier, struct dpu_sw_pipe *pipe, unsigned int stage_idx, struct dpu_hw_stage_cfg *stage_cfg ) { … } static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc, struct dpu_crtc *dpu_crtc, struct dpu_crtc_mixer *mixer, struct dpu_hw_stage_cfg *stage_cfg) { … } /** * _dpu_crtc_blend_setup - configure crtc mixers * @crtc: Pointer to drm crtc structure */ static void _dpu_crtc_blend_setup(struct drm_crtc *crtc) { … } /** * _dpu_crtc_complete_flip - signal pending page_flip events * Any pending vblank events are added to the vblank_event_list * so that the next vblank interrupt shall signal them. * However PAGE_FLIP events are not handled through the vblank_event_list. * This API signals any pending PAGE_FLIP events requested through * DRM_IOCTL_MODE_PAGE_FLIP and are cached in the dpu_crtc->event. * @crtc: Pointer to drm crtc structure */ static void _dpu_crtc_complete_flip(struct drm_crtc *crtc) { … } enum dpu_intf_mode dpu_crtc_get_intf_mode(struct drm_crtc *crtc) { … } void dpu_crtc_vblank_callback(struct drm_crtc *crtc) { … } static void dpu_crtc_frame_event_work(struct kthread_work *work) { … } /** * dpu_crtc_frame_event_cb - crtc frame event callback API * @crtc: Pointer to crtc * @event: Event to process * * Encoder may call this for different events from different context - IRQ, * user thread, commit_thread, etc. Each event should be carefully reviewed and * should be processed in proper task context to avoid schedulin delay or * properly manage the irq context's bottom half processing. */ void dpu_crtc_frame_event_cb(struct drm_crtc *crtc, u32 event) { … } void dpu_crtc_complete_commit(struct drm_crtc *crtc) { … } static void _dpu_crtc_setup_lm_bounds(struct drm_crtc *crtc, struct drm_crtc_state *state) { … } static void _dpu_crtc_get_pcc_coeff(struct drm_crtc_state *state, struct dpu_hw_pcc_cfg *cfg) { … } static void _dpu_crtc_setup_cp_blocks(struct drm_crtc *crtc) { … } static void dpu_crtc_atomic_begin(struct drm_crtc *crtc, struct drm_atomic_state *state) { … } static void dpu_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_atomic_state *state) { … } /** * dpu_crtc_destroy_state - state destroy hook * @crtc: drm CRTC * @state: CRTC state object to release */ static void dpu_crtc_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *state) { … } static int _dpu_crtc_wait_for_frame_done(struct drm_crtc *crtc) { … } void dpu_crtc_commit_kickoff(struct drm_crtc *crtc) { … } static void dpu_crtc_reset(struct drm_crtc *crtc) { … } /** * dpu_crtc_duplicate_state - state duplicate hook * @crtc: Pointer to drm crtc structure */ static struct drm_crtc_state *dpu_crtc_duplicate_state(struct drm_crtc *crtc) { … } static void dpu_crtc_atomic_print_state(struct drm_printer *p, const struct drm_crtc_state *state) { … } static void dpu_crtc_disable(struct drm_crtc *crtc, struct drm_atomic_state *state) { … } static void dpu_crtc_enable(struct drm_crtc *crtc, struct drm_atomic_state *state) { … } static bool dpu_crtc_needs_dirtyfb(struct drm_crtc_state *cstate) { … } static int dpu_crtc_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state) { … } int dpu_crtc_vblank(struct drm_crtc *crtc, bool en) { … } #ifdef CONFIG_DEBUG_FS static int _dpu_debugfs_status_show(struct seq_file *s, void *data) { … } DEFINE_SHOW_ATTRIBUTE(…); static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v) { … } DEFINE_SHOW_ATTRIBUTE(…); static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc) { … } #else static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc) { return 0; } #endif /* CONFIG_DEBUG_FS */ static int dpu_crtc_late_register(struct drm_crtc *crtc) { … } static const struct drm_crtc_funcs dpu_crtc_funcs = …; static const struct drm_crtc_helper_funcs dpu_crtc_helper_funcs = …; /* initialize crtc */ struct drm_crtc *dpu_crtc_init(struct drm_device *dev, struct drm_plane *plane, struct drm_plane *cursor) { … }
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