| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. |
| */ |
| |
| #ifndef _DPU_CORE_PERF_H_ |
| #define _DPU_CORE_PERF_H_ |
| |
| #include <linux/types.h> |
| #include <linux/dcache.h> |
| #include <linux/mutex.h> |
| #include <drm/drm_crtc.h> |
| |
| #include "dpu_hw_catalog.h" |
| |
| /** |
| * struct dpu_core_perf_params - definition of performance parameters |
| * @max_per_pipe_ib: maximum instantaneous bandwidth request |
| * @bw_ctl: arbitrated bandwidth request |
| * @core_clk_rate: core clock rate request |
| */ |
| struct dpu_core_perf_params { |
| u64 max_per_pipe_ib; |
| u64 bw_ctl; |
| u64 core_clk_rate; |
| }; |
| |
| /** |
| * struct dpu_core_perf_tune - definition of performance tuning control |
| * @mode: performance mode |
| */ |
| struct dpu_core_perf_tune { |
| u32 mode; |
| }; |
| |
| /** |
| * struct dpu_core_perf - definition of core performance context |
| * @perf_cfg: Platform-specific performance configuration |
| * @core_clk_rate: current core clock rate |
| * @max_core_clk_rate: maximum allowable core clock rate |
| * @perf_tune: debug control for performance tuning |
| * @enable_bw_release: debug control for bandwidth release |
| * @fix_core_clk_rate: fixed core clock request in Hz used in mode 2 |
| * @fix_core_ib_vote: fixed core ib vote in bps used in mode 2 |
| * @fix_core_ab_vote: fixed core ab vote in bps used in mode 2 |
| */ |
| struct dpu_core_perf { |
| const struct dpu_perf_cfg *perf_cfg; |
| u64 core_clk_rate; |
| u64 max_core_clk_rate; |
| struct dpu_core_perf_tune perf_tune; |
| u32 enable_bw_release; |
| u64 fix_core_clk_rate; |
| u64 fix_core_ib_vote; |
| u64 fix_core_ab_vote; |
| }; |
| |
| /** |
| * dpu_core_perf_crtc_check - validate performance of the given crtc state |
| * @crtc: Pointer to crtc |
| * @state: Pointer to new crtc state |
| * return: zero if success, or error code otherwise |
| */ |
| int dpu_core_perf_crtc_check(struct drm_crtc *crtc, |
| struct drm_crtc_state *state); |
| |
| /** |
| * dpu_core_perf_crtc_update - update performance of the given crtc |
| * @crtc: Pointer to crtc |
| * @params_changed: true if crtc parameters are modified |
| * return: zero if success, or error code otherwise |
| */ |
| int dpu_core_perf_crtc_update(struct drm_crtc *crtc, |
| int params_changed); |
| |
| /** |
| * dpu_core_perf_crtc_release_bw - release bandwidth of the given crtc |
| * @crtc: Pointer to crtc |
| */ |
| void dpu_core_perf_crtc_release_bw(struct drm_crtc *crtc); |
| |
| /** |
| * dpu_core_perf_init - initialize the given core performance context |
| * @perf: Pointer to core performance context |
| * @perf_cfg: Pointer to platform performance configuration |
| * @max_core_clk_rate: Maximum core clock rate |
| */ |
| int dpu_core_perf_init(struct dpu_core_perf *perf, |
| const struct dpu_perf_cfg *perf_cfg, |
| unsigned long max_core_clk_rate); |
| |
| struct dpu_kms; |
| |
| /** |
| * dpu_core_perf_debugfs_init - initialize debugfs for core performance context |
| * @dpu_kms: Pointer to the dpu_kms struct |
| * @debugfs_parent: Pointer to parent debugfs |
| */ |
| int dpu_core_perf_debugfs_init(struct dpu_kms *dpu_kms, struct dentry *parent); |
| |
| #endif /* _DPU_CORE_PERF_H_ */ |
