diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_drv.h')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_drv.h | 70 |
1 files changed, 62 insertions, 8 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index df22698d62ee..9c0d380c96f2 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -11,6 +11,24 @@ #include <drm/drm_encoder.h> #include <drm/drm_gem_cma_helper.h> +/* Don't forget to update vc4_bo.c: bo_type_names[] when adding to + * this. + */ +enum vc4_kernel_bo_type { + /* Any kernel allocation (gem_create_object hook) before it + * gets another type set. + */ + VC4_BO_TYPE_KERNEL, + VC4_BO_TYPE_V3D, + VC4_BO_TYPE_V3D_SHADER, + VC4_BO_TYPE_DUMB, + VC4_BO_TYPE_BIN, + VC4_BO_TYPE_RCL, + VC4_BO_TYPE_BCL, + VC4_BO_TYPE_KERNEL_CACHE, + VC4_BO_TYPE_COUNT +}; + struct vc4_dev { struct drm_device *dev; @@ -46,16 +64,29 @@ struct vc4_dev { struct timer_list time_timer; } bo_cache; - struct vc4_bo_stats { + u32 num_labels; + struct vc4_label { + const char *name; u32 num_allocated; u32 size_allocated; - u32 num_cached; - u32 size_cached; - } bo_stats; + } *bo_labels; - /* Protects bo_cache and the BO stats. */ + /* Protects bo_cache and bo_labels. */ struct mutex bo_lock; + /* Purgeable BO pool. All BOs in this pool can have their memory + * reclaimed if the driver is unable to allocate new BOs. We also + * keep stats related to the purge mechanism here. + */ + struct { + struct list_head list; + unsigned int num; + size_t size; + unsigned int purged_num; + size_t purged_size; + struct mutex lock; + } purgeable; + uint64_t dma_fence_context; /* Sequence number for the last job queued in bin_job_list. @@ -169,6 +200,21 @@ struct vc4_bo { /* normally (resv == &_resv) except for imported bo's */ struct reservation_object *resv; struct reservation_object _resv; + + /* One of enum vc4_kernel_bo_type, or VC4_BO_TYPE_COUNT + i + * for user-allocated labels. + */ + int label; + + /* Count the number of active users. This is needed to determine + * whether we can move the BO to the purgeable list or not (when the BO + * is used by the GPU or the display engine we can't purge it). + */ + refcount_t usecnt; + + /* Store purgeable/purged state here */ + u32 madv; + struct mutex madv_lock; }; static inline struct vc4_bo * @@ -460,7 +506,7 @@ struct vc4_validated_shader_info { struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size); void vc4_free_object(struct drm_gem_object *gem_obj); struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t size, - bool from_cache); + bool from_cache, enum vc4_kernel_bo_type type); int vc4_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args); @@ -478,6 +524,9 @@ int vc4_get_tiling_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int vc4_get_hang_state_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +int vc4_label_bo_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int vc4_fault(struct vm_fault *vmf); int vc4_mmap(struct file *filp, struct vm_area_struct *vma); struct reservation_object *vc4_prime_res_obj(struct drm_gem_object *obj); int vc4_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); @@ -485,13 +534,16 @@ struct drm_gem_object *vc4_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); void *vc4_prime_vmap(struct drm_gem_object *obj); -void vc4_bo_cache_init(struct drm_device *dev); +int vc4_bo_cache_init(struct drm_device *dev); void vc4_bo_cache_destroy(struct drm_device *dev); int vc4_bo_stats_debugfs(struct seq_file *m, void *arg); +int vc4_bo_inc_usecnt(struct vc4_bo *bo); +void vc4_bo_dec_usecnt(struct vc4_bo *bo); +void vc4_bo_add_to_purgeable_pool(struct vc4_bo *bo); +void vc4_bo_remove_from_purgeable_pool(struct vc4_bo *bo); /* vc4_crtc.c */ extern struct platform_driver vc4_crtc_driver; -bool vc4_event_pending(struct drm_crtc *crtc); int vc4_crtc_debugfs_regs(struct seq_file *m, void *arg); bool vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id, bool in_vblank_irq, int *vpos, int *hpos, @@ -533,6 +585,8 @@ void vc4_job_handle_completed(struct vc4_dev *vc4); int vc4_queue_seqno_cb(struct drm_device *dev, struct vc4_seqno_cb *cb, uint64_t seqno, void (*func)(struct vc4_seqno_cb *cb)); +int vc4_gem_madvise_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); /* vc4_hdmi.c */ extern struct platform_driver vc4_hdmi_driver; |