diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 138 |
1 files changed, 75 insertions, 63 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 72c3c15f6240..910c83cf7d44 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -1,6 +1,10 @@ #ifndef _INTEL_RINGBUFFER_H_ #define _INTEL_RINGBUFFER_H_ +#include <linux/hashtable.h> + +#define I915_CMD_HASH_ORDER 9 + /* * Gen2 BSpec "1. Programming Environment" / 1.4.4.6 "Ring Buffer Use" * Gen3 BSpec "vol1c Memory Interface Functions" / 2.3.4.5 "Ring Buffer Use" @@ -54,7 +58,28 @@ struct intel_ring_hangcheck { bool deadlock; }; -struct intel_ring_buffer { +struct intel_ringbuffer { + struct drm_i915_gem_object *obj; + void __iomem *virtual_start; + + u32 head; + u32 tail; + int space; + int size; + int effective_size; + + /** We track the position of the requests in the ring buffer, and + * when each is retired we increment last_retired_head as the GPU + * must have finished processing the request and so we know we + * can advance the ringbuffer up to that position. + * + * last_retired_head is set to -1 after the value is consumed so + * we can detect new retirements. + */ + u32 last_retired_head; +}; + +struct intel_engine_cs { const char *name; enum intel_ring_id { RCS = 0x0, @@ -66,57 +91,41 @@ struct intel_ring_buffer { #define I915_NUM_RINGS 5 #define LAST_USER_RING (VECS + 1) u32 mmio_base; - void __iomem *virtual_start; struct drm_device *dev; - struct drm_i915_gem_object *obj; + struct intel_ringbuffer *buffer; - u32 head; - u32 tail; - int space; - int size; - int effective_size; struct intel_hw_status_page status_page; - /** We track the position of the requests in the ring buffer, and - * when each is retired we increment last_retired_head as the GPU - * must have finished processing the request and so we know we - * can advance the ringbuffer up to that position. - * - * last_retired_head is set to -1 after the value is consumed so - * we can detect new retirements. - */ - u32 last_retired_head; - unsigned irq_refcount; /* protected by dev_priv->irq_lock */ u32 irq_enable_mask; /* bitmask to enable ring interrupt */ u32 trace_irq_seqno; - bool __must_check (*irq_get)(struct intel_ring_buffer *ring); - void (*irq_put)(struct intel_ring_buffer *ring); + bool __must_check (*irq_get)(struct intel_engine_cs *ring); + void (*irq_put)(struct intel_engine_cs *ring); - int (*init)(struct intel_ring_buffer *ring); + int (*init)(struct intel_engine_cs *ring); - void (*write_tail)(struct intel_ring_buffer *ring, + void (*write_tail)(struct intel_engine_cs *ring, u32 value); - int __must_check (*flush)(struct intel_ring_buffer *ring, + int __must_check (*flush)(struct intel_engine_cs *ring, u32 invalidate_domains, u32 flush_domains); - int (*add_request)(struct intel_ring_buffer *ring); + int (*add_request)(struct intel_engine_cs *ring); /* Some chipsets are not quite as coherent as advertised and need * an expensive kick to force a true read of the up-to-date seqno. * However, the up-to-date seqno is not always required and the last * seen value is good enough. Note that the seqno will always be * monotonic, even if not coherent. */ - u32 (*get_seqno)(struct intel_ring_buffer *ring, + u32 (*get_seqno)(struct intel_engine_cs *ring, bool lazy_coherency); - void (*set_seqno)(struct intel_ring_buffer *ring, + void (*set_seqno)(struct intel_engine_cs *ring, u32 seqno); - int (*dispatch_execbuffer)(struct intel_ring_buffer *ring, + int (*dispatch_execbuffer)(struct intel_engine_cs *ring, u64 offset, u32 length, unsigned flags); #define I915_DISPATCH_SECURE 0x1 #define I915_DISPATCH_PINNED 0x2 - void (*cleanup)(struct intel_ring_buffer *ring); + void (*cleanup)(struct intel_engine_cs *ring); struct { u32 sync_seqno[I915_NUM_RINGS-1]; @@ -129,10 +138,10 @@ struct intel_ring_buffer { } mbox; /* AKA wait() */ - int (*sync_to)(struct intel_ring_buffer *ring, - struct intel_ring_buffer *to, + int (*sync_to)(struct intel_engine_cs *ring, + struct intel_engine_cs *to, u32 seqno); - int (*signal)(struct intel_ring_buffer *signaller, + int (*signal)(struct intel_engine_cs *signaller, /* num_dwords needed by caller */ unsigned int num_dwords); } semaphore; @@ -165,8 +174,8 @@ struct intel_ring_buffer { wait_queue_head_t irq_queue; - struct i915_hw_context *default_context; - struct i915_hw_context *last_context; + struct intel_context *default_context; + struct intel_context *last_context; struct intel_ring_hangcheck hangcheck; @@ -176,12 +185,13 @@ struct intel_ring_buffer { volatile u32 *cpu_page; } scratch; + bool needs_cmd_parser; + /* - * Tables of commands the command parser needs to know about + * Table of commands the command parser needs to know about * for this ring. */ - const struct drm_i915_cmd_table *cmd_tables; - int cmd_table_count; + DECLARE_HASHTABLE(cmd_hash, I915_CMD_HASH_ORDER); /* * Table of registers allowed in commands that read/write registers. @@ -210,20 +220,20 @@ struct intel_ring_buffer { }; static inline bool -intel_ring_initialized(struct intel_ring_buffer *ring) +intel_ring_initialized(struct intel_engine_cs *ring) { - return ring->obj != NULL; + return ring->buffer && ring->buffer->obj; } static inline unsigned -intel_ring_flag(struct intel_ring_buffer *ring) +intel_ring_flag(struct intel_engine_cs *ring) { return 1 << ring->id; } static inline u32 -intel_ring_sync_index(struct intel_ring_buffer *ring, - struct intel_ring_buffer *other) +intel_ring_sync_index(struct intel_engine_cs *ring, + struct intel_engine_cs *other) { int idx; @@ -241,7 +251,7 @@ intel_ring_sync_index(struct intel_ring_buffer *ring, } static inline u32 -intel_read_status_page(struct intel_ring_buffer *ring, +intel_read_status_page(struct intel_engine_cs *ring, int reg) { /* Ensure that the compiler doesn't optimize away the load. */ @@ -250,7 +260,7 @@ intel_read_status_page(struct intel_ring_buffer *ring, } static inline void -intel_write_status_page(struct intel_ring_buffer *ring, +intel_write_status_page(struct intel_engine_cs *ring, int reg, u32 value) { ring->status_page.page_addr[reg] = value; @@ -275,27 +285,29 @@ intel_write_status_page(struct intel_ring_buffer *ring, #define I915_GEM_HWS_SCRATCH_INDEX 0x30 #define I915_GEM_HWS_SCRATCH_ADDR (I915_GEM_HWS_SCRATCH_INDEX << MI_STORE_DWORD_INDEX_SHIFT) -void intel_stop_ring_buffer(struct intel_ring_buffer *ring); -void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring); +void intel_stop_ring_buffer(struct intel_engine_cs *ring); +void intel_cleanup_ring_buffer(struct intel_engine_cs *ring); -int __must_check intel_ring_begin(struct intel_ring_buffer *ring, int n); -int __must_check intel_ring_cacheline_align(struct intel_ring_buffer *ring); -static inline void intel_ring_emit(struct intel_ring_buffer *ring, +int __must_check intel_ring_begin(struct intel_engine_cs *ring, int n); +int __must_check intel_ring_cacheline_align(struct intel_engine_cs *ring); +static inline void intel_ring_emit(struct intel_engine_cs *ring, u32 data) { - iowrite32(data, ring->virtual_start + ring->tail); - ring->tail += 4; + struct intel_ringbuffer *ringbuf = ring->buffer; + iowrite32(data, ringbuf->virtual_start + ringbuf->tail); + ringbuf->tail += 4; } -static inline void intel_ring_advance(struct intel_ring_buffer *ring) +static inline void intel_ring_advance(struct intel_engine_cs *ring) { - ring->tail &= ring->size - 1; + struct intel_ringbuffer *ringbuf = ring->buffer; + ringbuf->tail &= ringbuf->size - 1; } -void __intel_ring_advance(struct intel_ring_buffer *ring); +void __intel_ring_advance(struct intel_engine_cs *ring); -int __must_check intel_ring_idle(struct intel_ring_buffer *ring); -void intel_ring_init_seqno(struct intel_ring_buffer *ring, u32 seqno); -int intel_ring_flush_all_caches(struct intel_ring_buffer *ring); -int intel_ring_invalidate_all_caches(struct intel_ring_buffer *ring); +int __must_check intel_ring_idle(struct intel_engine_cs *ring); +void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno); +int intel_ring_flush_all_caches(struct intel_engine_cs *ring); +int intel_ring_invalidate_all_caches(struct intel_engine_cs *ring); int intel_init_render_ring_buffer(struct drm_device *dev); int intel_init_bsd_ring_buffer(struct drm_device *dev); @@ -303,21 +315,21 @@ int intel_init_bsd2_ring_buffer(struct drm_device *dev); int intel_init_blt_ring_buffer(struct drm_device *dev); int intel_init_vebox_ring_buffer(struct drm_device *dev); -u64 intel_ring_get_active_head(struct intel_ring_buffer *ring); -void intel_ring_setup_status_page(struct intel_ring_buffer *ring); +u64 intel_ring_get_active_head(struct intel_engine_cs *ring); +void intel_ring_setup_status_page(struct intel_engine_cs *ring); -static inline u32 intel_ring_get_tail(struct intel_ring_buffer *ring) +static inline u32 intel_ring_get_tail(struct intel_engine_cs *ring) { - return ring->tail; + return ring->buffer->tail; } -static inline u32 intel_ring_get_seqno(struct intel_ring_buffer *ring) +static inline u32 intel_ring_get_seqno(struct intel_engine_cs *ring) { BUG_ON(ring->outstanding_lazy_seqno == 0); return ring->outstanding_lazy_seqno; } -static inline void i915_trace_irq_get(struct intel_ring_buffer *ring, u32 seqno) +static inline void i915_trace_irq_get(struct intel_engine_cs *ring, u32 seqno) { if (ring->trace_irq_seqno == 0 && ring->irq_get(ring)) ring->trace_irq_seqno = seqno; |