diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 185 |
1 files changed, 134 insertions, 51 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 9689ca38b2b3..5fabc6c31fec 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -35,6 +35,7 @@ #include "intel_ringbuffer.h" #include <linux/io-mapping.h> #include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> #include <drm/intel-gtt.h> #include <linux/backlight.h> @@ -135,6 +136,7 @@ struct drm_i915_fence_reg { struct list_head lru_list; struct drm_i915_gem_object *obj; uint32_t setup_seqno; + int pin_count; }; struct sdvo_device_mapping { @@ -152,33 +154,40 @@ struct drm_i915_error_state { u32 eir; u32 pgtbl_er; u32 pipestat[I915_MAX_PIPES]; - u32 ipeir; - u32 ipehr; - u32 instdone; - u32 acthd; + u32 tail[I915_NUM_RINGS]; + u32 head[I915_NUM_RINGS]; + u32 ipeir[I915_NUM_RINGS]; + u32 ipehr[I915_NUM_RINGS]; + u32 instdone[I915_NUM_RINGS]; + u32 acthd[I915_NUM_RINGS]; + u32 semaphore_mboxes[I915_NUM_RINGS][I915_NUM_RINGS - 1]; + /* our own tracking of ring head and tail */ + u32 cpu_ring_head[I915_NUM_RINGS]; + u32 cpu_ring_tail[I915_NUM_RINGS]; u32 error; /* gen6+ */ - u32 bcs_acthd; /* gen6+ blt engine */ - u32 bcs_ipehr; - u32 bcs_ipeir; - u32 bcs_instdone; - u32 bcs_seqno; - u32 vcs_acthd; /* gen6+ bsd engine */ - u32 vcs_ipehr; - u32 vcs_ipeir; - u32 vcs_instdone; - u32 vcs_seqno; - u32 instpm; - u32 instps; + u32 instpm[I915_NUM_RINGS]; + u32 instps[I915_NUM_RINGS]; u32 instdone1; - u32 seqno; + u32 seqno[I915_NUM_RINGS]; u64 bbaddr; + u32 fault_reg[I915_NUM_RINGS]; + u32 done_reg; + u32 faddr[I915_NUM_RINGS]; u64 fence[I915_MAX_NUM_FENCES]; struct timeval time; - struct drm_i915_error_object { - int page_count; - u32 gtt_offset; - u32 *pages[0]; - } *ringbuffer[I915_NUM_RINGS], *batchbuffer[I915_NUM_RINGS]; + struct drm_i915_error_ring { + struct drm_i915_error_object { + int page_count; + u32 gtt_offset; + u32 *pages[0]; + } *ringbuffer, *batchbuffer; + struct drm_i915_error_request { + long jiffies; + u32 seqno; + u32 tail; + } *requests; + int num_requests; + } ring[I915_NUM_RINGS]; struct drm_i915_error_buffer { u32 size; u32 name; @@ -191,7 +200,7 @@ struct drm_i915_error_state { u32 tiling:2; u32 dirty:1; u32 purgeable:1; - u32 ring:4; + s32 ring:4; u32 cache_level:2; } *active_bo, *pinned_bo; u32 active_bo_count, pinned_bo_count; @@ -255,6 +264,17 @@ struct intel_device_info { u8 supports_tv:1; u8 has_bsd_ring:1; u8 has_blt_ring:1; + u8 has_llc:1; +}; + +#define I915_PPGTT_PD_ENTRIES 512 +#define I915_PPGTT_PT_ENTRIES 1024 +struct i915_hw_ppgtt { + unsigned num_pd_entries; + struct page **pt_pages; + uint32_t pd_offset; + dma_addr_t *pt_dma_addr; + dma_addr_t scratch_page_dma_addr; }; enum no_fbc_reason { @@ -279,6 +299,16 @@ enum intel_pch { struct intel_fbdev; struct intel_fbc_work; +struct intel_gmbus { + struct i2c_adapter adapter; + bool force_bit; + bool has_gpio; + u32 reg0; + u32 gpio_reg; + struct i2c_algo_bit_data bit_algo; + struct drm_i915_private *dev_priv; +}; + typedef struct drm_i915_private { struct drm_device *dev; @@ -296,11 +326,11 @@ typedef struct drm_i915_private { /** gt_lock is also taken in irq contexts. */ struct spinlock gt_lock; - struct intel_gmbus { - struct i2c_adapter adapter; - struct i2c_adapter *force_bit; - u32 reg0; - } *gmbus; + struct intel_gmbus *gmbus; + + /** gmbus_mutex protects against concurrent usage of the single hw gmbus + * controller on different i2c buses. */ + struct mutex gmbus_mutex; struct pci_dev *bridge_dev; struct intel_ring_buffer ring[I915_NUM_RINGS]; @@ -335,7 +365,6 @@ typedef struct drm_i915_private { int tex_lru_log_granularity; int allow_batchbuffer; - struct mem_block *agp_heap; unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; int vblank_pipe; int num_pipe; @@ -584,6 +613,9 @@ typedef struct drm_i915_private { struct io_mapping *gtt_mapping; int gtt_mtrr; + /** PPGTT used for aliasing the PPGTT with the GTT */ + struct i915_hw_ppgtt *aliasing_ppgtt; + struct shrinker inactive_shrinker; /** @@ -749,6 +781,13 @@ typedef struct drm_i915_private { struct drm_property *force_audio_property; } drm_i915_private_t; +enum hdmi_force_audio { + HDMI_AUDIO_OFF_DVI = -2, /* no aux data for HDMI-DVI converter */ + HDMI_AUDIO_OFF, /* force turn off HDMI audio */ + HDMI_AUDIO_AUTO, /* trust EDID */ + HDMI_AUDIO_ON, /* force turn on HDMI audio */ +}; + enum i915_cache_level { I915_CACHE_NONE, I915_CACHE_LLC, @@ -841,6 +880,8 @@ struct drm_i915_gem_object { unsigned int cache_level:2; + unsigned int has_aliasing_ppgtt_mapping:1; + struct page **pages; /** @@ -918,6 +959,9 @@ struct drm_i915_gem_request { /** GEM sequence number associated with this request. */ uint32_t seqno; + /** Postion in the ringbuffer of the end of the request */ + u32 tail; + /** Time at which this request was emitted, in jiffies. */ unsigned long emitted_jiffies; @@ -974,8 +1018,11 @@ struct drm_i915_file_private { #define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring) #define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring) +#define HAS_LLC(dev) (INTEL_INFO(dev)->has_llc) #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws) +#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >=6) + #define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay) #define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical) @@ -1006,6 +1053,27 @@ struct drm_i915_file_private { #include "i915_trace.h" +/** + * RC6 is a special power stage which allows the GPU to enter an very + * low-voltage mode when idle, using down to 0V while at this stage. This + * stage is entered automatically when the GPU is idle when RC6 support is + * enabled, and as soon as new workload arises GPU wakes up automatically as well. + * + * There are different RC6 modes available in Intel GPU, which differentiate + * among each other with the latency required to enter and leave RC6 and + * voltage consumed by the GPU in different states. + * + * The combination of the following flags define which states GPU is allowed + * to enter, while RC6 is the normal RC6 state, RC6p is the deep RC6, and + * RC6pp is deepest RC6. Their support by hardware varies according to the + * GPU, BIOS, chipset and platform. RC6 is usually the safest one and the one + * which brings the most power savings; deeper states save more power, but + * require higher latency to switch to and wake up. + */ +#define INTEL_RC6_ENABLE (1<<0) +#define INTEL_RC6p_ENABLE (1<<1) +#define INTEL_RC6pp_ENABLE (1<<2) + extern struct drm_ioctl_desc i915_ioctls[]; extern int i915_max_ioctl; extern unsigned int i915_fbpercrtc __always_unused; @@ -1018,6 +1086,7 @@ extern int i915_vbt_sdvo_panel_type __read_mostly; extern int i915_enable_rc6 __read_mostly; extern int i915_enable_fbc __read_mostly; extern bool i915_enable_hangcheck __read_mostly; +extern int i915_enable_ppgtt __read_mostly; extern int i915_suspend(struct drm_device *dev, pm_message_t state); extern int i915_resume(struct drm_device *dev); @@ -1079,18 +1148,6 @@ extern void i915_destroy_error_state(struct drm_device *dev); #endif -/* i915_mem.c */ -extern int i915_mem_alloc(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int i915_mem_free(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int i915_mem_init_heap(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int i915_mem_destroy_heap(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern void i915_mem_takedown(struct mem_block **heap); -extern void i915_mem_release(struct drm_device * dev, - struct drm_file *file_priv, struct mem_block *heap); /* i915_gem.c */ int i915_gem_init_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); @@ -1170,37 +1227,55 @@ i915_seqno_passed(uint32_t seq1, uint32_t seq2) return (int32_t)(seq1 - seq2) >= 0; } -static inline u32 -i915_gem_next_request_seqno(struct intel_ring_buffer *ring) -{ - drm_i915_private_t *dev_priv = ring->dev->dev_private; - return ring->outstanding_lazy_request = dev_priv->next_seqno; -} +u32 i915_gem_next_request_seqno(struct intel_ring_buffer *ring); int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj, struct intel_ring_buffer *pipelined); int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj); +static inline void +i915_gem_object_pin_fence(struct drm_i915_gem_object *obj) +{ + if (obj->fence_reg != I915_FENCE_REG_NONE) { + struct drm_i915_private *dev_priv = obj->base.dev->dev_private; + dev_priv->fence_regs[obj->fence_reg].pin_count++; + } +} + +static inline void +i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj) +{ + if (obj->fence_reg != I915_FENCE_REG_NONE) { + struct drm_i915_private *dev_priv = obj->base.dev->dev_private; + dev_priv->fence_regs[obj->fence_reg].pin_count--; + } +} + void i915_gem_retire_requests(struct drm_device *dev); +void i915_gem_retire_requests_ring(struct intel_ring_buffer *ring); + void i915_gem_reset(struct drm_device *dev); void i915_gem_clflush_object(struct drm_i915_gem_object *obj); int __must_check i915_gem_object_set_domain(struct drm_i915_gem_object *obj, uint32_t read_domains, uint32_t write_domain); int __must_check i915_gem_object_finish_gpu(struct drm_i915_gem_object *obj); -int __must_check i915_gem_init_ringbuffer(struct drm_device *dev); +int __must_check i915_gem_init_hw(struct drm_device *dev); +void i915_gem_init_swizzling(struct drm_device *dev); +void i915_gem_init_ppgtt(struct drm_device *dev); void i915_gem_cleanup_ringbuffer(struct drm_device *dev); void i915_gem_do_init(struct drm_device *dev, unsigned long start, unsigned long mappable_end, unsigned long end); -int __must_check i915_gpu_idle(struct drm_device *dev); +int __must_check i915_gpu_idle(struct drm_device *dev, bool do_retire); int __must_check i915_gem_idle(struct drm_device *dev); int __must_check i915_add_request(struct intel_ring_buffer *ring, struct drm_file *file, struct drm_i915_gem_request *request); int __must_check i915_wait_request(struct intel_ring_buffer *ring, - uint32_t seqno); + uint32_t seqno, + bool do_retire); int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); int __must_check i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, @@ -1227,6 +1302,14 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj, enum i915_cache_level cache_level); /* i915_gem_gtt.c */ +int __must_check i915_gem_init_aliasing_ppgtt(struct drm_device *dev); +void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev); +void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt, + struct drm_i915_gem_object *obj, + enum i915_cache_level cache_level); +void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt, + struct drm_i915_gem_object *obj); + void i915_gem_restore_gtt_mappings(struct drm_device *dev); int __must_check i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj); void i915_gem_gtt_rebind_object(struct drm_i915_gem_object *obj, @@ -1365,7 +1448,7 @@ extern void intel_display_print_error_state(struct seq_file *m, */ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv); void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv); -void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv); +int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv); /* We give fast paths for the really cool registers */ #define NEEDS_FORCE_WAKE(dev_priv, reg) \ |