Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Rob Herring | 434 | 47.64% | 4 | 14.81% |
Boris Brezillon | 381 | 41.82% | 11 | 40.74% |
Nicolas Boichat | 58 | 6.37% | 2 | 7.41% |
Neil Armstrong | 8 | 0.88% | 1 | 3.70% |
Paul Cercueil | 8 | 0.88% | 1 | 3.70% |
Clément Péron | 8 | 0.88% | 3 | 11.11% |
Steven Price | 6 | 0.66% | 2 | 7.41% |
Alyssa Rosenzweig | 3 | 0.33% | 1 | 3.70% |
Robin Murphy | 3 | 0.33% | 1 | 3.70% |
Tomeu Vizoso | 2 | 0.22% | 1 | 3.70% |
Total | 911 | 27 |
/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright 2018 Marty E. Plummer <hanetzer@startmail.com> */ /* Copyright 2019 Linaro, Ltd, Rob Herring <robh@kernel.org> */ #ifndef __PANFROST_DEVICE_H__ #define __PANFROST_DEVICE_H__ #include <linux/atomic.h> #include <linux/io-pgtable.h> #include <linux/pm.h> #include <linux/regulator/consumer.h> #include <linux/spinlock.h> #include <drm/drm_device.h> #include <drm/drm_mm.h> #include <drm/gpu_scheduler.h> #include "panfrost_devfreq.h" struct panfrost_device; struct panfrost_mmu; struct panfrost_job_slot; struct panfrost_job; struct panfrost_perfcnt; #define NUM_JOB_SLOTS 3 #define MAX_PM_DOMAINS 3 struct panfrost_features { u16 id; u16 revision; u64 shader_present; u64 tiler_present; u64 l2_present; u64 stack_present; u32 as_present; u32 js_present; u32 l2_features; u32 core_features; u32 tiler_features; u32 mem_features; u32 mmu_features; u32 thread_features; u32 max_threads; u32 thread_max_workgroup_sz; u32 thread_max_barrier_sz; u32 coherency_features; u32 afbc_features; u32 texture_features[4]; u32 js_features[16]; u32 nr_core_groups; u32 thread_tls_alloc; unsigned long hw_features[64 / BITS_PER_LONG]; unsigned long hw_issues[64 / BITS_PER_LONG]; }; /* * Features that cannot be automatically detected and need matching using the * compatible string, typically SoC-specific. */ struct panfrost_compatible { /* Supplies count and names. */ int num_supplies; const char * const *supply_names; /* * Number of power domains required, note that values 0 and 1 are * handled identically, as only values > 1 need special handling. */ int num_pm_domains; /* Only required if num_pm_domains > 1. */ const char * const *pm_domain_names; /* Vendor implementation quirks callback */ void (*vendor_quirk)(struct panfrost_device *pfdev); }; struct panfrost_device { struct device *dev; struct drm_device *ddev; struct platform_device *pdev; void __iomem *iomem; struct clk *clock; struct clk *bus_clock; struct regulator_bulk_data *regulators; struct reset_control *rstc; /* pm_domains for devices with more than one. */ struct device *pm_domain_devs[MAX_PM_DOMAINS]; struct device_link *pm_domain_links[MAX_PM_DOMAINS]; bool coherent; struct panfrost_features features; const struct panfrost_compatible *comp; spinlock_t as_lock; unsigned long as_in_use_mask; unsigned long as_alloc_mask; unsigned long as_faulty_mask; struct list_head as_lru_list; struct panfrost_job_slot *js; struct panfrost_job *jobs[NUM_JOB_SLOTS][2]; struct list_head scheduled_jobs; struct panfrost_perfcnt *perfcnt; struct mutex sched_lock; struct { struct workqueue_struct *wq; struct work_struct work; atomic_t pending; } reset; struct mutex shrinker_lock; struct list_head shrinker_list; struct shrinker shrinker; struct panfrost_devfreq pfdevfreq; }; struct panfrost_mmu { struct panfrost_device *pfdev; struct kref refcount; struct io_pgtable_cfg pgtbl_cfg; struct io_pgtable_ops *pgtbl_ops; struct drm_mm mm; spinlock_t mm_lock; int as; atomic_t as_count; struct list_head list; }; struct panfrost_file_priv { struct panfrost_device *pfdev; struct drm_sched_entity sched_entity[NUM_JOB_SLOTS]; struct panfrost_mmu *mmu; }; static inline struct panfrost_device *to_panfrost_device(struct drm_device *ddev) { return ddev->dev_private; } static inline int panfrost_model_cmp(struct panfrost_device *pfdev, s32 id) { s32 match_id = pfdev->features.id; if (match_id & 0xf000) match_id &= 0xf00f; return match_id - id; } static inline bool panfrost_model_is_bifrost(struct panfrost_device *pfdev) { return panfrost_model_cmp(pfdev, 0x1000) >= 0; } static inline bool panfrost_model_eq(struct panfrost_device *pfdev, s32 id) { return !panfrost_model_cmp(pfdev, id); } int panfrost_unstable_ioctl_check(void); int panfrost_device_init(struct panfrost_device *pfdev); void panfrost_device_fini(struct panfrost_device *pfdev); void panfrost_device_reset(struct panfrost_device *pfdev); extern const struct dev_pm_ops panfrost_pm_ops; enum drm_panfrost_exception_type { DRM_PANFROST_EXCEPTION_OK = 0x00, DRM_PANFROST_EXCEPTION_DONE = 0x01, DRM_PANFROST_EXCEPTION_INTERRUPTED = 0x02, DRM_PANFROST_EXCEPTION_STOPPED = 0x03, DRM_PANFROST_EXCEPTION_TERMINATED = 0x04, DRM_PANFROST_EXCEPTION_KABOOM = 0x05, DRM_PANFROST_EXCEPTION_EUREKA = 0x06, DRM_PANFROST_EXCEPTION_ACTIVE = 0x08, DRM_PANFROST_EXCEPTION_MAX_NON_FAULT = 0x3f, DRM_PANFROST_EXCEPTION_JOB_CONFIG_FAULT = 0x40, DRM_PANFROST_EXCEPTION_JOB_POWER_FAULT = 0x41, DRM_PANFROST_EXCEPTION_JOB_READ_FAULT = 0x42, DRM_PANFROST_EXCEPTION_JOB_WRITE_FAULT = 0x43, DRM_PANFROST_EXCEPTION_JOB_AFFINITY_FAULT = 0x44, DRM_PANFROST_EXCEPTION_JOB_BUS_FAULT = 0x48, DRM_PANFROST_EXCEPTION_INSTR_INVALID_PC = 0x50, DRM_PANFROST_EXCEPTION_INSTR_INVALID_ENC = 0x51, DRM_PANFROST_EXCEPTION_INSTR_TYPE_MISMATCH = 0x52, DRM_PANFROST_EXCEPTION_INSTR_OPERAND_FAULT = 0x53, DRM_PANFROST_EXCEPTION_INSTR_TLS_FAULT = 0x54, DRM_PANFROST_EXCEPTION_INSTR_BARRIER_FAULT = 0x55, DRM_PANFROST_EXCEPTION_INSTR_ALIGN_FAULT = 0x56, DRM_PANFROST_EXCEPTION_DATA_INVALID_FAULT = 0x58, DRM_PANFROST_EXCEPTION_TILE_RANGE_FAULT = 0x59, DRM_PANFROST_EXCEPTION_ADDR_RANGE_FAULT = 0x5a, DRM_PANFROST_EXCEPTION_IMPRECISE_FAULT = 0x5b, DRM_PANFROST_EXCEPTION_OOM = 0x60, DRM_PANFROST_EXCEPTION_OOM_AFBC = 0x61, DRM_PANFROST_EXCEPTION_UNKNOWN = 0x7f, DRM_PANFROST_EXCEPTION_DELAYED_BUS_FAULT = 0x80, DRM_PANFROST_EXCEPTION_GPU_SHAREABILITY_FAULT = 0x88, DRM_PANFROST_EXCEPTION_SYS_SHAREABILITY_FAULT = 0x89, DRM_PANFROST_EXCEPTION_GPU_CACHEABILITY_FAULT = 0x8a, DRM_PANFROST_EXCEPTION_TRANSLATION_FAULT_0 = 0xc0, DRM_PANFROST_EXCEPTION_TRANSLATION_FAULT_1 = 0xc1, DRM_PANFROST_EXCEPTION_TRANSLATION_FAULT_2 = 0xc2, DRM_PANFROST_EXCEPTION_TRANSLATION_FAULT_3 = 0xc3, DRM_PANFROST_EXCEPTION_TRANSLATION_FAULT_4 = 0xc4, DRM_PANFROST_EXCEPTION_TRANSLATION_FAULT_IDENTITY = 0xc7, DRM_PANFROST_EXCEPTION_PERM_FAULT_0 = 0xc8, DRM_PANFROST_EXCEPTION_PERM_FAULT_1 = 0xc9, DRM_PANFROST_EXCEPTION_PERM_FAULT_2 = 0xca, DRM_PANFROST_EXCEPTION_PERM_FAULT_3 = 0xcb, DRM_PANFROST_EXCEPTION_TRANSTAB_BUS_FAULT_0 = 0xd0, DRM_PANFROST_EXCEPTION_TRANSTAB_BUS_FAULT_1 = 0xd1, DRM_PANFROST_EXCEPTION_TRANSTAB_BUS_FAULT_2 = 0xd2, DRM_PANFROST_EXCEPTION_TRANSTAB_BUS_FAULT_3 = 0xd3, DRM_PANFROST_EXCEPTION_ACCESS_FLAG_0 = 0xd8, DRM_PANFROST_EXCEPTION_ACCESS_FLAG_1 = 0xd9, DRM_PANFROST_EXCEPTION_ACCESS_FLAG_2 = 0xda, DRM_PANFROST_EXCEPTION_ACCESS_FLAG_3 = 0xdb, DRM_PANFROST_EXCEPTION_ADDR_SIZE_FAULT_IN0 = 0xe0, DRM_PANFROST_EXCEPTION_ADDR_SIZE_FAULT_IN1 = 0xe1, DRM_PANFROST_EXCEPTION_ADDR_SIZE_FAULT_IN2 = 0xe2, DRM_PANFROST_EXCEPTION_ADDR_SIZE_FAULT_IN3 = 0xe3, DRM_PANFROST_EXCEPTION_ADDR_SIZE_FAULT_OUT0 = 0xe4, DRM_PANFROST_EXCEPTION_ADDR_SIZE_FAULT_OUT1 = 0xe5, DRM_PANFROST_EXCEPTION_ADDR_SIZE_FAULT_OUT2 = 0xe6, DRM_PANFROST_EXCEPTION_ADDR_SIZE_FAULT_OUT3 = 0xe7, DRM_PANFROST_EXCEPTION_MEM_ATTR_FAULT_0 = 0xe8, DRM_PANFROST_EXCEPTION_MEM_ATTR_FAULT_1 = 0xe9, DRM_PANFROST_EXCEPTION_MEM_ATTR_FAULT_2 = 0xea, DRM_PANFROST_EXCEPTION_MEM_ATTR_FAULT_3 = 0xeb, DRM_PANFROST_EXCEPTION_MEM_ATTR_NONCACHE_0 = 0xec, DRM_PANFROST_EXCEPTION_MEM_ATTR_NONCACHE_1 = 0xed, DRM_PANFROST_EXCEPTION_MEM_ATTR_NONCACHE_2 = 0xee, DRM_PANFROST_EXCEPTION_MEM_ATTR_NONCACHE_3 = 0xef, }; static inline bool panfrost_exception_is_fault(u32 exception_code) { return exception_code > DRM_PANFROST_EXCEPTION_MAX_NON_FAULT; } const char *panfrost_exception_name(u32 exception_code); bool panfrost_exception_needs_reset(const struct panfrost_device *pfdev, u32 exception_code); static inline void panfrost_device_schedule_reset(struct panfrost_device *pfdev) { atomic_set(&pfdev->reset.pending, 1); queue_work(pfdev->reset.wq, &pfdev->reset.work); } #endif
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