#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
-#define DRIVER_DATE "20141121"
+#define DRIVER_DATE "20150130"
#undef WARN_ON
-#define WARN_ON(x) WARN(x, "WARN_ON(" #x ")")
+/* Many gcc seem to no see through this and fall over :( */
+#if 0
+#define WARN_ON(x) ({ \
+ bool __i915_warn_cond = (x); \
+ if (__builtin_constant_p(__i915_warn_cond)) \
+ BUILD_BUG_ON(__i915_warn_cond); \
+ WARN(__i915_warn_cond, "WARN_ON(" #x ")"); })
+#else
+#define WARN_ON(x) WARN((x), "WARN_ON(" #x ")")
+#endif
+
+#define MISSING_CASE(x) WARN(1, "Missing switch case (%lu) in %s\n", \
+ (long) (x), __func__);
+
+/* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
+ * WARN_ON()) for hw state sanity checks to check for unexpected conditions
+ * which may not necessarily be a user visible problem. This will either
+ * WARN() or DRM_ERROR() depending on the verbose_checks moduleparam, to
+ * enable distros and users to tailor their preferred amount of i915 abrt
+ * spam.
+ */
+#define I915_STATE_WARN(condition, format...) ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) { \
+ if (i915.verbose_state_checks) \
+ WARN(1, format); \
+ else \
+ DRM_ERROR(format); \
+ } \
+ unlikely(__ret_warn_on); \
+})
+
+#define I915_STATE_WARN_ON(condition) ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) { \
+ if (i915.verbose_state_checks) \
+ WARN(1, "WARN_ON(" #condition ")\n"); \
+ else \
+ DRM_ERROR("WARN_ON(" #condition ")\n"); \
+ } \
+ unlikely(__ret_warn_on); \
+})
enum pipe {
INVALID_PIPE = -1,
POWER_DOMAIN_VGA,
POWER_DOMAIN_AUDIO,
POWER_DOMAIN_PLLS,
+ POWER_DOMAIN_AUX_A,
+ POWER_DOMAIN_AUX_B,
+ POWER_DOMAIN_AUX_C,
+ POWER_DOMAIN_AUX_D,
POWER_DOMAIN_INIT,
POWER_DOMAIN_NUM,
struct intel_connector;
struct intel_encoder;
-struct intel_crtc_config;
-struct intel_plane_config;
+struct intel_crtc_state;
+struct intel_initial_plane_config;
struct intel_crtc;
struct intel_limit;
struct dpll;
/* Returns the active state of the crtc, and if the crtc is active,
* fills out the pipe-config with the hw state. */
bool (*get_pipe_config)(struct intel_crtc *,
- struct intel_crtc_config *);
- void (*get_plane_config)(struct intel_crtc *,
- struct intel_plane_config *);
- int (*crtc_compute_clock)(struct intel_crtc *crtc);
+ struct intel_crtc_state *);
+ void (*get_initial_plane_config)(struct intel_crtc *,
+ struct intel_initial_plane_config *);
+ int (*crtc_compute_clock)(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state);
void (*crtc_enable)(struct drm_crtc *crtc);
void (*crtc_disable)(struct drm_crtc *crtc);
void (*off)(struct drm_crtc *crtc);
void (*enable_backlight)(struct intel_connector *connector);
};
+enum forcewake_domain_id {
+ FW_DOMAIN_ID_RENDER = 0,
+ FW_DOMAIN_ID_BLITTER,
+ FW_DOMAIN_ID_MEDIA,
+
+ FW_DOMAIN_ID_COUNT
+};
+
+enum forcewake_domains {
+ FORCEWAKE_RENDER = (1 << FW_DOMAIN_ID_RENDER),
+ FORCEWAKE_BLITTER = (1 << FW_DOMAIN_ID_BLITTER),
+ FORCEWAKE_MEDIA = (1 << FW_DOMAIN_ID_MEDIA),
+ FORCEWAKE_ALL = (FORCEWAKE_RENDER |
+ FORCEWAKE_BLITTER |
+ FORCEWAKE_MEDIA)
+};
+
struct intel_uncore_funcs {
void (*force_wake_get)(struct drm_i915_private *dev_priv,
- int fw_engine);
+ enum forcewake_domains domains);
void (*force_wake_put)(struct drm_i915_private *dev_priv,
- int fw_engine);
+ enum forcewake_domains domains);
uint8_t (*mmio_readb)(struct drm_i915_private *dev_priv, off_t offset, bool trace);
uint16_t (*mmio_readw)(struct drm_i915_private *dev_priv, off_t offset, bool trace);
struct intel_uncore_funcs funcs;
unsigned fifo_count;
- unsigned forcewake_count;
-
- unsigned fw_rendercount;
- unsigned fw_mediacount;
- unsigned fw_blittercount;
-
- struct timer_list force_wake_timer;
-};
+ enum forcewake_domains fw_domains;
+
+ struct intel_uncore_forcewake_domain {
+ struct drm_i915_private *i915;
+ enum forcewake_domain_id id;
+ unsigned wake_count;
+ struct timer_list timer;
+ u32 reg_set;
+ u32 val_set;
+ u32 val_clear;
+ u32 reg_ack;
+ u32 reg_post;
+ u32 val_reset;
+ } fw_domain[FW_DOMAIN_ID_COUNT];
+};
+
+/* Iterate over initialised fw domains */
+#define for_each_fw_domain_mask(domain__, mask__, dev_priv__, i__) \
+ for ((i__) = 0, (domain__) = &(dev_priv__)->uncore.fw_domain[0]; \
+ (i__) < FW_DOMAIN_ID_COUNT; \
+ (i__)++, (domain__) = &(dev_priv__)->uncore.fw_domain[i__]) \
+ if (((mask__) & (dev_priv__)->uncore.fw_domains) & (1 << (i__)))
+
+#define for_each_fw_domain(domain__, dev_priv__, i__) \
+ for_each_fw_domain_mask(domain__, FORCEWAKE_ALL, dev_priv__, i__)
#define DEV_INFO_FOR_EACH_FLAG(func, sep) \
func(is_mobile) sep \
int trans_offsets[I915_MAX_TRANSCODERS];
int palette_offsets[I915_MAX_PIPES];
int cursor_offsets[I915_MAX_PIPES];
+ unsigned int eu_total;
};
#undef DEFINE_FLAG
/* Time when this context was last blamed for a GPU reset */
unsigned long guilty_ts;
+ /* If the contexts causes a second GPU hang within this time,
+ * it is permanently banned from submitting any more work.
+ */
+ unsigned long ban_period_seconds;
+
/* This context is banned to submit more work */
bool banned;
};
struct {
struct drm_i915_gem_object *state;
struct intel_ringbuffer *ringbuf;
- int unpin_count;
+ int pin_count;
} engine[I915_NUM_RINGS];
struct list_head link;
} no_fbc_reason;
};
-struct i915_drrs {
- struct intel_connector *connector;
+/**
+ * HIGH_RR is the highest eDP panel refresh rate read from EDID
+ * LOW_RR is the lowest eDP panel refresh rate found from EDID
+ * parsing for same resolution.
+ */
+enum drrs_refresh_rate_type {
+ DRRS_HIGH_RR,
+ DRRS_LOW_RR,
+ DRRS_MAX_RR, /* RR count */
+};
+
+enum drrs_support_type {
+ DRRS_NOT_SUPPORTED = 0,
+ STATIC_DRRS_SUPPORT = 1,
+ SEAMLESS_DRRS_SUPPORT = 2
};
struct intel_dp;
+struct i915_drrs {
+ struct mutex mutex;
+ struct delayed_work work;
+ struct intel_dp *dp;
+ unsigned busy_frontbuffer_bits;
+ enum drrs_refresh_rate_type refresh_rate_type;
+ enum drrs_support_type type;
+};
+
struct i915_psr {
struct mutex lock;
bool sink_support;
bool active;
struct delayed_work work;
unsigned busy_frontbuffer_bits;
+ bool link_standby;
};
enum intel_pch {
int which_slice;
};
+struct i915_gem_batch_pool {
+ struct drm_device *dev;
+ struct list_head cache_list;
+};
+
struct i915_gem_mm {
/** Memory allocator for GTT stolen memory */
struct drm_mm stolen;
*/
struct list_head unbound_list;
+ /*
+ * A pool of objects to use as shadow copies of client batch buffers
+ * when the command parser is enabled. Prevents the client from
+ * modifying the batch contents after software parsing.
+ */
+ struct i915_gem_batch_pool batch_pool;
+
/** Usable portion of the GTT for GEM */
unsigned long stolen_base; /* limited to low memory (32-bit) */
/* Hang gpu twice in this window and your context gets banned */
#define DRM_I915_CTX_BAN_PERIOD DIV_ROUND_UP(8*DRM_I915_HANGCHECK_PERIOD, 1000)
- struct timer_list hangcheck_timer;
+ struct workqueue_struct *hangcheck_wq;
+ struct delayed_work hangcheck_work;
/* For reset and error_state handling. */
spinlock_t lock;
/* Protected by the above dev->gpu_error.lock. */
struct drm_i915_error_state *first_error;
- struct work_struct work;
-
unsigned long missed_irq_rings;
uint8_t supports_dp:1;
};
-enum drrs_support_type {
- DRRS_NOT_SUPPORTED = 0,
- STATIC_DRRS_SUPPORT = 1,
- SEAMLESS_DRRS_SUPPORT = 2
+enum psr_lines_to_wait {
+ PSR_0_LINES_TO_WAIT = 0,
+ PSR_1_LINE_TO_WAIT,
+ PSR_4_LINES_TO_WAIT,
+ PSR_8_LINES_TO_WAIT
};
struct intel_vbt_data {
struct edp_power_seq edp_pps;
struct {
+ bool full_link;
+ bool require_aux_wakeup;
+ int idle_frames;
+ enum psr_lines_to_wait lines_to_wait;
+ int tp1_wakeup_time;
+ int tp2_tp3_wakeup_time;
+ } psr;
+
+ struct {
u16 pwm_freq_hz;
bool present;
bool active_low_pwm;
void (*stop_ring)(struct intel_engine_cs *ring);
} gt;
+ uint32_t request_uniq;
+
/*
* NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
* will be rejected. Instead look for a better place.
/** Used in execbuf to temporarily hold a ref */
struct list_head obj_exec_link;
+ struct list_head batch_pool_list;
+
/**
* This is set if the object is on the active lists (has pending
* rendering and so a non-zero seqno), and is not set if it i s on
*/
unsigned long gt_ro:1;
unsigned int cache_level:3;
+ unsigned int cache_dirty:1;
unsigned int has_dma_mapping:1;
void *dma_buf_vmapping;
int vmapping_count;
- struct intel_engine_cs *ring;
-
/** Breadcrumb of last rendering to the buffer. */
- uint32_t last_read_seqno;
- uint32_t last_write_seqno;
+ struct drm_i915_gem_request *last_read_req;
+ struct drm_i915_gem_request *last_write_req;
/** Breadcrumb of last fenced GPU access to the buffer. */
- uint32_t last_fenced_seqno;
+ struct drm_i915_gem_request *last_fenced_req;
/** Current tiling stride for the object, if it's tiled. */
uint32_t stride;
/** Record of address bit 17 of each page at last unbind. */
unsigned long *bit_17;
- /** User space pin count and filp owning the pin */
- unsigned long user_pin_count;
- struct drm_file *pin_filp;
-
union {
/** for phy allocated objects */
struct drm_dma_handle *phys_handle;
* The request queue allows us to note sequence numbers that have been emitted
* and may be associated with active buffers to be retired.
*
- * By keeping this list, we can avoid having to do questionable
- * sequence-number comparisons on buffer last_rendering_seqnos, and associate
- * an emission time with seqnos for tracking how far ahead of the GPU we are.
+ * By keeping this list, we can avoid having to do questionable sequence
+ * number comparisons on buffer last_read|write_seqno. It also allows an
+ * emission time to be associated with the request for tracking how far ahead
+ * of the GPU the submission is.
*/
struct drm_i915_gem_request {
+ struct kref ref;
+
/** On Which ring this request was generated */
struct intel_engine_cs *ring;
/** Position in the ringbuffer of the start of the request */
u32 head;
- /** Position in the ringbuffer of the end of the request */
+ /**
+ * Position in the ringbuffer of the start of the postfix.
+ * This is required to calculate the maximum available ringbuffer
+ * space without overwriting the postfix.
+ */
+ u32 postfix;
+
+ /** Position in the ringbuffer of the end of the whole request */
u32 tail;
/** Context related to this request */
struct drm_i915_file_private *file_priv;
/** file_priv list entry for this request */
struct list_head client_list;
+
+ uint32_t uniq;
+
+ /**
+ * The ELSP only accepts two elements at a time, so we queue
+ * context/tail pairs on a given queue (ring->execlist_queue) until the
+ * hardware is available. The queue serves a double purpose: we also use
+ * it to keep track of the up to 2 contexts currently in the hardware
+ * (usually one in execution and the other queued up by the GPU): We
+ * only remove elements from the head of the queue when the hardware
+ * informs us that an element has been completed.
+ *
+ * All accesses to the queue are mediated by a spinlock
+ * (ring->execlist_lock).
+ */
+
+ /** Execlist link in the submission queue.*/
+ struct list_head execlist_link;
+
+ /** Execlists no. of times this request has been sent to the ELSP */
+ int elsp_submitted;
+
};
+void i915_gem_request_free(struct kref *req_ref);
+
+static inline uint32_t
+i915_gem_request_get_seqno(struct drm_i915_gem_request *req)
+{
+ return req ? req->seqno : 0;
+}
+
+static inline struct intel_engine_cs *
+i915_gem_request_get_ring(struct drm_i915_gem_request *req)
+{
+ return req ? req->ring : NULL;
+}
+
+static inline void
+i915_gem_request_reference(struct drm_i915_gem_request *req)
+{
+ kref_get(&req->ref);
+}
+
+static inline void
+i915_gem_request_unreference(struct drm_i915_gem_request *req)
+{
+ WARN_ON(!mutex_is_locked(&req->ring->dev->struct_mutex));
+ kref_put(&req->ref, i915_gem_request_free);
+}
+
+static inline void i915_gem_request_assign(struct drm_i915_gem_request **pdst,
+ struct drm_i915_gem_request *src)
+{
+ if (src)
+ i915_gem_request_reference(src);
+
+ if (*pdst)
+ i915_gem_request_unreference(*pdst);
+
+ *pdst = src;
+}
+
+/*
+ * XXX: i915_gem_request_completed should be here but currently needs the
+ * definition of i915_seqno_passed() which is below. It will be moved in
+ * a later patch when the call to i915_seqno_passed() is obsoleted...
+ */
+
struct drm_i915_file_private {
struct drm_i915_private *dev_priv;
struct drm_file *file;
#define HAS_DDI(dev) (INTEL_INFO(dev)->has_ddi)
#define HAS_FPGA_DBG_UNCLAIMED(dev) (INTEL_INFO(dev)->has_fpga_dbg)
-#define HAS_PSR(dev) (IS_HASWELL(dev) || IS_BROADWELL(dev))
+#define HAS_PSR(dev) (IS_HASWELL(dev) || IS_BROADWELL(dev) || \
+ IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev) || \
+ IS_SKYLAKE(dev))
#define HAS_RUNTIME_PM(dev) (IS_GEN6(dev) || IS_HASWELL(dev) || \
IS_BROADWELL(dev) || IS_VALLEYVIEW(dev))
#define HAS_RC6(dev) (INTEL_INFO(dev)->gen >= 6)
bool disable_vtd_wa;
int use_mmio_flip;
bool mmio_debug;
+ bool verbose_state_checks;
+ bool nuclear_pageflip;
};
extern struct i915_params i915 __read_mostly;
extern void intel_uncore_check_errors(struct drm_device *dev);
extern void intel_uncore_fini(struct drm_device *dev);
extern void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore);
+const char *intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id);
+void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
+ enum forcewake_domains domains);
+void intel_uncore_forcewake_put(struct drm_i915_private *dev_priv,
+ enum forcewake_domains domains);
+void assert_forcewakes_inactive(struct drm_i915_private *dev_priv);
void
i915_enable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
struct drm_file *file_priv);
int i915_gem_execbuffer2(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int i915_gem_get_caching_ioctl(struct drm_device *dev, void *data,
#define PIN_GLOBAL 0x4
#define PIN_OFFSET_BIAS 0x8
#define PIN_OFFSET_MASK (~4095)
+int __must_check i915_gem_object_pin_view(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ uint32_t alignment,
+ uint64_t flags,
+ const struct i915_ggtt_view *view);
+static inline
int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
uint32_t alignment,
- uint64_t flags);
+ uint64_t flags)
+{
+ return i915_gem_object_pin_view(obj, vm, alignment, flags,
+ &i915_ggtt_view_normal);
+}
+
+int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
+ u32 flags);
int __must_check i915_vma_unbind(struct i915_vma *vma);
int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv);
return (int32_t)(seq1 - seq2) >= 0;
}
+static inline bool i915_gem_request_completed(struct drm_i915_gem_request *req,
+ bool lazy_coherency)
+{
+ u32 seqno;
+
+ BUG_ON(req == NULL);
+
+ seqno = req->ring->get_seqno(req->ring, lazy_coherency);
+
+ return i915_seqno_passed(seqno, req->seqno);
+}
+
int __must_check i915_gem_get_seqno(struct drm_device *dev, u32 *seqno);
int __must_check i915_gem_set_seqno(struct drm_device *dev, u32 seqno);
int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj);
void i915_gem_retire_requests_ring(struct intel_engine_cs *ring);
int __must_check i915_gem_check_wedge(struct i915_gpu_error *error,
bool interruptible);
-int __must_check i915_gem_check_olr(struct intel_engine_cs *ring, u32 seqno);
+int __must_check i915_gem_check_olr(struct drm_i915_gem_request *req);
static inline bool i915_reset_in_progress(struct i915_gpu_error *error)
{
int __must_check i915_gem_suspend(struct drm_device *dev);
int __i915_add_request(struct intel_engine_cs *ring,
struct drm_file *file,
- struct drm_i915_gem_object *batch_obj,
- u32 *seqno);
-#define i915_add_request(ring, seqno) \
- __i915_add_request(ring, NULL, NULL, seqno)
-int __i915_wait_seqno(struct intel_engine_cs *ring, u32 seqno,
+ struct drm_i915_gem_object *batch_obj);
+#define i915_add_request(ring) \
+ __i915_add_request(ring, NULL, NULL)
+int __i915_wait_request(struct drm_i915_gem_request *req,
unsigned reset_counter,
bool interruptible,
s64 *timeout,
struct drm_i915_file_private *file_priv);
-int __must_check i915_wait_seqno(struct intel_engine_cs *ring,
- uint32_t seqno);
+int __must_check i915_wait_request(struct drm_i915_gem_request *req);
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,
void i915_gem_restore_fences(struct drm_device *dev);
+unsigned long i915_gem_obj_offset_view(struct drm_i915_gem_object *o,
+ struct i915_address_space *vm,
+ enum i915_ggtt_view_type view);
+static inline
unsigned long i915_gem_obj_offset(struct drm_i915_gem_object *o,
- struct i915_address_space *vm);
+ struct i915_address_space *vm)
+{
+ return i915_gem_obj_offset_view(o, vm, I915_GGTT_VIEW_NORMAL);
+}
bool i915_gem_obj_bound_any(struct drm_i915_gem_object *o);
+bool i915_gem_obj_bound_view(struct drm_i915_gem_object *o,
+ struct i915_address_space *vm,
+ enum i915_ggtt_view_type view);
+static inline
bool i915_gem_obj_bound(struct drm_i915_gem_object *o,
- struct i915_address_space *vm);
+ struct i915_address_space *vm)
+{
+ return i915_gem_obj_bound_view(o, vm, I915_GGTT_VIEW_NORMAL);
+}
+
unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o,
struct i915_address_space *vm);
+struct i915_vma *i915_gem_obj_to_vma_view(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *view);
+static inline
struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
- struct i915_address_space *vm);
+ struct i915_address_space *vm)
+{
+ return i915_gem_obj_to_vma_view(obj, vm, &i915_ggtt_view_normal);
+}
+
+struct i915_vma *
+i915_gem_obj_lookup_or_create_vma_view(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *view);
+
+static inline
struct i915_vma *
i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
- struct i915_address_space *vm);
+ struct i915_address_space *vm)
+{
+ return i915_gem_obj_lookup_or_create_vma_view(obj, vm,
+ &i915_ggtt_view_normal);
+}
struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj);
static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) {
struct drm_file *file);
int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
+int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int i915_gem_context_setparam_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
/* i915_gem_evict.c */
int __must_check i915_gem_evict_something(struct drm_device *dev,
void i915_get_extra_instdone(struct drm_device *dev, uint32_t *instdone);
const char *i915_cache_level_str(struct drm_i915_private *i915, int type);
+/* i915_gem_batch_pool.c */
+void i915_gem_batch_pool_init(struct drm_device *dev,
+ struct i915_gem_batch_pool *pool);
+void i915_gem_batch_pool_fini(struct i915_gem_batch_pool *pool);
+struct drm_i915_gem_object*
+i915_gem_batch_pool_get(struct i915_gem_batch_pool *pool, size_t size);
+
/* i915_cmd_parser.c */
int i915_cmd_parser_get_version(void);
int i915_cmd_parser_init_ring(struct intel_engine_cs *ring);
bool i915_needs_cmd_parser(struct intel_engine_cs *ring);
int i915_parse_cmds(struct intel_engine_cs *ring,
struct drm_i915_gem_object *batch_obj,
+ struct drm_i915_gem_object *shadow_batch_obj,
u32 batch_start_offset,
+ u32 batch_len,
bool is_master);
/* i915_suspend.c */
bool force_restore);
extern void i915_redisable_vga(struct drm_device *dev);
extern void i915_redisable_vga_power_on(struct drm_device *dev);
-extern bool intel_fbc_enabled(struct drm_device *dev);
-extern void bdw_fbc_sw_flush(struct drm_device *dev, u32 value);
-extern void intel_disable_fbc(struct drm_device *dev);
extern bool ironlake_set_drps(struct drm_device *dev, u8 val);
extern void intel_init_pch_refclk(struct drm_device *dev);
extern void gen6_set_rps(struct drm_device *dev, u8 val);
struct drm_device *dev,
struct intel_display_error_state *error);
-/* On SNB platform, before reading ring registers forcewake bit
- * must be set to prevent GT core from power down and stale values being
- * returned.
- */
-void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv, int fw_engine);
-void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv, int fw_engine);
-void assert_force_wake_inactive(struct drm_i915_private *dev_priv);
-
int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val);
int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u32 mbox, u32 val);
/* intel_sideband.c */
-u32 vlv_punit_read(struct drm_i915_private *dev_priv, u8 addr);
-void vlv_punit_write(struct drm_i915_private *dev_priv, u8 addr, u32 val);
+u32 vlv_punit_read(struct drm_i915_private *dev_priv, u32 addr);
+void vlv_punit_write(struct drm_i915_private *dev_priv, u32 addr, u32 val);
u32 vlv_nc_read(struct drm_i915_private *dev_priv, u8 addr);
u32 vlv_gpio_nc_read(struct drm_i915_private *dev_priv, u32 reg);
void vlv_gpio_nc_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg);
void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
-int vlv_gpu_freq(struct drm_i915_private *dev_priv, int val);
-int vlv_freq_opcode(struct drm_i915_private *dev_priv, int val);
-
-#define FORCEWAKE_RENDER (1 << 0)
-#define FORCEWAKE_MEDIA (1 << 1)
-#define FORCEWAKE_BLITTER (1 << 2)
-#define FORCEWAKE_ALL (FORCEWAKE_RENDER | FORCEWAKE_MEDIA | \
- FORCEWAKE_BLITTER)
-
+int intel_gpu_freq(struct drm_i915_private *dev_priv, int val);
+int intel_freq_opcode(struct drm_i915_private *dev_priv, int val);
#define I915_READ8(reg) dev_priv->uncore.funcs.mmio_readb(dev_priv, (reg), true)
#define I915_WRITE8(reg, val) dev_priv->uncore.funcs.mmio_writeb(dev_priv, (reg), (val), true)
}
}
+static inline void i915_trace_irq_get(struct intel_engine_cs *ring,
+ struct drm_i915_gem_request *req)
+{
+ if (ring->trace_irq_req == NULL && ring->irq_get(ring))
+ i915_gem_request_assign(&ring->trace_irq_req, req);
+}
+
#endif
projects / platform / kernel / linux-exynos.git / blobdiff