1 files changed, 249 insertions, 110 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9669a0b8b44..a416645bcd2 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -76,6 +76,8 @@ enum plane {
 };
 #define plane_name(p) ((p) + 'A')
 
+#define sprite_name(p, s) ((p) * dev_priv->num_plane + (s) + 'A')
+
 enum port {
 	PORT_A = 0,
 	PORT_B,
@@ -86,6 +88,24 @@ enum port {
 };
 #define port_name(p) ((p) + 'A')
 
+enum intel_display_power_domain {
+	POWER_DOMAIN_PIPE_A,
+	POWER_DOMAIN_PIPE_B,
+	POWER_DOMAIN_PIPE_C,
+	POWER_DOMAIN_PIPE_A_PANEL_FITTER,
+	POWER_DOMAIN_PIPE_B_PANEL_FITTER,
+	POWER_DOMAIN_PIPE_C_PANEL_FITTER,
+	POWER_DOMAIN_TRANSCODER_A,
+	POWER_DOMAIN_TRANSCODER_B,
+	POWER_DOMAIN_TRANSCODER_C,
+	POWER_DOMAIN_TRANSCODER_EDP = POWER_DOMAIN_TRANSCODER_A + 0xF,
+};
+
+#define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
+#define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
+		((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER)
+#define POWER_DOMAIN_TRANSCODER(tran) ((tran) + POWER_DOMAIN_TRANSCODER_A)
+
 enum hpd_pin {
 	HPD_NONE = 0,
 	HPD_PORT_A = HPD_NONE, /* PORT_A is internal */
@@ -112,15 +132,38 @@ enum hpd_pin {
 	list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
 		if ((intel_encoder)->base.crtc == (__crtc))
 
-struct intel_pch_pll {
+struct drm_i915_private;
+
+enum intel_dpll_id {
+	DPLL_ID_PRIVATE = -1, /* non-shared dpll in use */
+	/* real shared dpll ids must be >= 0 */
+	DPLL_ID_PCH_PLL_A,
+	DPLL_ID_PCH_PLL_B,
+};
+#define I915_NUM_PLLS 2
+
+struct intel_dpll_hw_state {
+	uint32_t dpll;
+	uint32_t fp0;
+	uint32_t fp1;
+};
+
+struct intel_shared_dpll {
 	int refcount; /* count of number of CRTCs sharing this PLL */
 	int active; /* count of number of active CRTCs (i.e. DPMS on) */
 	bool on; /* is the PLL actually active? Disabled during modeset */
-	int pll_reg;
-	int fp0_reg;
-	int fp1_reg;
+	const char *name;
+	/* should match the index in the dev_priv->shared_dplls array */
+	enum intel_dpll_id id;
+	struct intel_dpll_hw_state hw_state;
+	void (*enable)(struct drm_i915_private *dev_priv,
+		       struct intel_shared_dpll *pll);
+	void (*disable)(struct drm_i915_private *dev_priv,
+			struct intel_shared_dpll *pll);
+	bool (*get_hw_state)(struct drm_i915_private *dev_priv,
+			     struct intel_shared_dpll *pll,
+			     struct intel_dpll_hw_state *hw_state);
 };
-#define I915_NUM_PLLS 2
 
 /* Used by dp and fdi links */
 struct intel_link_m_n {
@@ -175,7 +218,6 @@ struct opregion_header;
 struct opregion_acpi;
 struct opregion_swsci;
 struct opregion_asle;
-struct drm_i915_private;
 
 struct intel_opregion {
 	struct opregion_header __iomem *header;
@@ -286,6 +328,8 @@ struct drm_i915_error_state {
 
 struct intel_crtc_config;
 struct intel_crtc;
+struct intel_limit;
+struct dpll;
 
 struct drm_i915_display_funcs {
 	bool (*fbc_enabled)(struct drm_device *dev);
@@ -293,11 +337,28 @@ struct drm_i915_display_funcs {
 	void (*disable_fbc)(struct drm_device *dev);
 	int (*get_display_clock_speed)(struct drm_device *dev);
 	int (*get_fifo_size)(struct drm_device *dev, int plane);
+	/**
+	 * find_dpll() - Find the best values for the PLL
+	 * @limit: limits for the PLL
+	 * @crtc: current CRTC
+	 * @target: target frequency in kHz
+	 * @refclk: reference clock frequency in kHz
+	 * @match_clock: if provided, @best_clock P divider must
+	 *               match the P divider from @match_clock
+	 *               used for LVDS downclocking
+	 * @best_clock: best PLL values found
+	 *
+	 * Returns true on success, false on failure.
+	 */
+	bool (*find_dpll)(const struct intel_limit *limit,
+			  struct drm_crtc *crtc,
+			  int target, int refclk,
+			  struct dpll *match_clock,
+			  struct dpll *best_clock);
 	void (*update_wm)(struct drm_device *dev);
 	void (*update_sprite_wm)(struct drm_device *dev, int pipe,
-				 uint32_t sprite_width, int pixel_size);
-	void (*update_linetime_wm)(struct drm_device *dev, int pipe,
-				 struct drm_display_mode *mode);
+				 uint32_t sprite_width, int pixel_size,
+				 bool enable);
 	void (*modeset_global_resources)(struct drm_device *dev);
 	/* Returns the active state of the crtc, and if the crtc is active,
 	 * fills out the pipe-config with the hw state. */
@@ -331,68 +392,56 @@ struct drm_i915_gt_funcs {
 	void (*force_wake_put)(struct drm_i915_private *dev_priv);
 };
 
-#define DEV_INFO_FLAGS \
-	DEV_INFO_FLAG(is_mobile) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_i85x) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_i915g) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_i945gm) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_g33) DEV_INFO_SEP \
-	DEV_INFO_FLAG(need_gfx_hws) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_g4x) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_pineview) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_broadwater) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_crestline) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_ivybridge) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_valleyview) DEV_INFO_SEP \
-	DEV_INFO_FLAG(is_haswell) DEV_INFO_SEP \
-	DEV_INFO_FLAG(has_force_wake) DEV_INFO_SEP \
-	DEV_INFO_FLAG(has_fbc) DEV_INFO_SEP \
-	DEV_INFO_FLAG(has_pipe_cxsr) DEV_INFO_SEP \
-	DEV_INFO_FLAG(has_hotplug) DEV_INFO_SEP \
-	DEV_INFO_FLAG(cursor_needs_physical) DEV_INFO_SEP \
-	DEV_INFO_FLAG(has_overlay) DEV_INFO_SEP \
-	DEV_INFO_FLAG(overlay_needs_physical) DEV_INFO_SEP \
-	DEV_INFO_FLAG(supports_tv) DEV_INFO_SEP \
-	DEV_INFO_FLAG(has_bsd_ring) DEV_INFO_SEP \
-	DEV_INFO_FLAG(has_blt_ring) DEV_INFO_SEP \
-	DEV_INFO_FLAG(has_llc)
+#define DEV_INFO_FOR_EACH_FLAG(func, sep) \
+	func(is_mobile) sep \
+	func(is_i85x) sep \
+	func(is_i915g) sep \
+	func(is_i945gm) sep \
+	func(is_g33) sep \
+	func(need_gfx_hws) sep \
+	func(is_g4x) sep \
+	func(is_pineview) sep \
+	func(is_broadwater) sep \
+	func(is_crestline) sep \
+	func(is_ivybridge) sep \
+	func(is_valleyview) sep \
+	func(is_haswell) sep \
+	func(has_force_wake) sep \
+	func(has_fbc) sep \
+	func(has_pipe_cxsr) sep \
+	func(has_hotplug) sep \
+	func(cursor_needs_physical) sep \
+	func(has_overlay) sep \
+	func(overlay_needs_physical) sep \
+	func(supports_tv) sep \
+	func(has_bsd_ring) sep \
+	func(has_blt_ring) sep \
+	func(has_vebox_ring) sep \
+	func(has_llc) sep \
+	func(has_ddi) sep \
+	func(has_fpga_dbg)
+
+#define DEFINE_FLAG(name) u8 name:1
+#define SEP_SEMICOLON ;
 
 struct intel_device_info {
 	u32 display_mmio_offset;
 	u8 num_pipes:3;
 	u8 gen;
-	u8 is_mobile:1;
-	u8 is_i85x:1;
-	u8 is_i915g:1;
-	u8 is_i945gm:1;
-	u8 is_g33:1;
-	u8 need_gfx_hws:1;
-	u8 is_g4x:1;
-	u8 is_pineview:1;
-	u8 is_broadwater:1;
-	u8 is_crestline:1;
-	u8 is_ivybridge:1;
-	u8 is_valleyview:1;
-	u8 has_force_wake:1;
-	u8 is_haswell:1;
-	u8 has_fbc:1;
-	u8 has_pipe_cxsr:1;
-	u8 has_hotplug:1;
-	u8 cursor_needs_physical:1;
-	u8 has_overlay:1;
-	u8 overlay_needs_physical:1;
-	u8 supports_tv:1;
-	u8 has_bsd_ring:1;
-	u8 has_blt_ring:1;
-	u8 has_llc:1;
+	DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG, SEP_SEMICOLON);
 };
 
+#undef DEFINE_FLAG
+#undef SEP_SEMICOLON
+
 enum i915_cache_level {
 	I915_CACHE_NONE = 0,
 	I915_CACHE_LLC,
 	I915_CACHE_LLC_MLC, /* gen6+, in docs at least! */
 };
 
+typedef uint32_t gen6_gtt_pte_t;
+
 /* The Graphics Translation Table is the way in which GEN hardware translates a
  * Graphics Virtual Address into a Physical Address. In addition to the normal
  * collateral associated with any va->pa translations GEN hardware also has a
@@ -428,6 +477,9 @@ struct i915_gtt {
 				   struct sg_table *st,
 				   unsigned int pg_start,
 				   enum i915_cache_level cache_level);
+	gen6_gtt_pte_t (*pte_encode)(struct drm_device *dev,
+				     dma_addr_t addr,
+				     enum i915_cache_level level);
 };
 #define gtt_total_entries(gtt) ((gtt).total >> PAGE_SHIFT)
 
@@ -449,19 +501,31 @@ struct i915_hw_ppgtt {
 			       struct sg_table *st,
 			       unsigned int pg_start,
 			       enum i915_cache_level cache_level);
+	gen6_gtt_pte_t (*pte_encode)(struct drm_device *dev,
+				     dma_addr_t addr,
+				     enum i915_cache_level level);
 	int (*enable)(struct drm_device *dev);
 	void (*cleanup)(struct i915_hw_ppgtt *ppgtt);
 };
 
+struct i915_ctx_hang_stats {
+	/* This context had batch pending when hang was declared */
+	unsigned batch_pending;
+
+	/* This context had batch active when hang was declared */
+	unsigned batch_active;
+};
 
 /* This must match up with the value previously used for execbuf2.rsvd1. */
 #define DEFAULT_CONTEXT_ID 0
 struct i915_hw_context {
+	struct kref ref;
 	int id;
 	bool is_initialized;
 	struct drm_i915_file_private *file_priv;
 	struct intel_ring_buffer *ring;
 	struct drm_i915_gem_object *obj;
+	struct i915_ctx_hang_stats hang_stats;
 };
 
 enum no_fbc_reason {
@@ -658,6 +722,7 @@ struct i915_suspend_saved_registers {
 
 struct intel_gen6_power_mgmt {
 	struct work_struct work;
+	struct delayed_work vlv_work;
 	u32 pm_iir;
 	/* lock - irqsave spinlock that protectects the work_struct and
 	 * pm_iir. */
@@ -668,6 +733,7 @@ struct intel_gen6_power_mgmt {
 	u8 cur_delay;
 	u8 min_delay;
 	u8 max_delay;
+	u8 rpe_delay;
 	u8 hw_max;
 
 	struct delayed_work delayed_resume_work;
@@ -704,6 +770,15 @@ struct intel_ilk_power_mgmt {
 	struct drm_i915_gem_object *renderctx;
 };
 
+/* Power well structure for haswell */
+struct i915_power_well {
+	struct drm_device *device;
+	spinlock_t lock;
+	/* power well enable/disable usage count */
+	int count;
+	int i915_request;
+};
+
 struct i915_dri1_state {
 	unsigned allow_batchbuffer : 1;
 	u32 __iomem *gfx_hws_cpu_addr;
@@ -812,14 +887,20 @@ struct i915_gem_mm {
 	u32 object_count;
 };
 
+struct drm_i915_error_state_buf {
+	unsigned bytes;
+	unsigned size;
+	int err;
+	u8 *buf;
+	loff_t start;
+	loff_t pos;
+};
+
 struct i915_gpu_error {
 	/* For hangcheck timer */
 #define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
 #define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
 	struct timer_list hangcheck_timer;
-	int hangcheck_count;
-	uint32_t last_acthd[I915_NUM_RINGS];
-	uint32_t prev_instdone[I915_NUM_INSTDONE_REG];
 
 	/* For reset and error_state handling. */
 	spinlock_t lock;
@@ -875,6 +956,37 @@ enum modeset_restore {
 	MODESET_SUSPENDED,
 };
 
+struct intel_vbt_data {
+	struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
+	struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
+
+	/* Feature bits */
+	unsigned int int_tv_support:1;
+	unsigned int lvds_dither:1;
+	unsigned int lvds_vbt:1;
+	unsigned int int_crt_support:1;
+	unsigned int lvds_use_ssc:1;
+	unsigned int display_clock_mode:1;
+	unsigned int fdi_rx_polarity_inverted:1;
+	int lvds_ssc_freq;
+	unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */
+
+	/* eDP */
+	int edp_rate;
+	int edp_lanes;
+	int edp_preemphasis;
+	int edp_vswing;
+	bool edp_initialized;
+	bool edp_support;
+	int edp_bpp;
+	struct edp_power_seq edp_pps;
+
+	int crt_ddc_pin;
+
+	int child_dev_num;
+	struct child_device_config *child_dev;
+};
+
 typedef struct drm_i915_private {
 	struct drm_device *dev;
 	struct kmem_cache *slab;
@@ -941,9 +1053,9 @@ typedef struct drm_i915_private {
 			HPD_MARK_DISABLED = 2
 		} hpd_mark;
 	} hpd_stats[HPD_NUM_PINS];
+	u32 hpd_event_bits;
 	struct timer_list hotplug_reenable_timer;
 
-	int num_pch_pll;
 	int num_plane;
 
 	unsigned long cfb_size;
@@ -953,6 +1065,7 @@ typedef struct drm_i915_private {
 	struct intel_fbc_work *fbc_work;
 
 	struct intel_opregion opregion;
+	struct intel_vbt_data vbt;
 
 	/* overlay */
 	struct intel_overlay *overlay;
@@ -962,37 +1075,15 @@ typedef struct drm_i915_private {
 	struct {
 		int level;
 		bool enabled;
+		spinlock_t lock; /* bl registers and the above bl fields */
 		struct backlight_device *device;
 	} backlight;
 
 	/* LVDS info */
 	struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
 	struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
-
-	/* Feature bits from the VBIOS */
-	unsigned int int_tv_support:1;
-	unsigned int lvds_dither:1;
-	unsigned int lvds_vbt:1;
-	unsigned int int_crt_support:1;
-	unsigned int lvds_use_ssc:1;
-	unsigned int display_clock_mode:1;
-	unsigned int fdi_rx_polarity_inverted:1;
-	int lvds_ssc_freq;
-	unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */
-	struct {
-		int rate;
-		int lanes;
-		int preemphasis;
-		int vswing;
-
-		bool initialized;
-		bool support;
-		int bpp;
-		struct edp_power_seq pps;
-	} edp;
 	bool no_aux_handshake;
 
-	int crt_ddc_pin;
 	struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
 	int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
 	int num_fence_regs; /* 8 on pre-965, 16 otherwise */
@@ -1020,16 +1111,13 @@ typedef struct drm_i915_private {
 	/* Kernel Modesetting */
 
 	struct sdvo_device_mapping sdvo_mappings[2];
-	/* indicate whether the LVDS_BORDER should be enabled or not */
-	unsigned int lvds_border_bits;
-	/* Panel fitter placement and size for Ironlake+ */
-	u32 pch_pf_pos, pch_pf_size;
 
 	struct drm_crtc *plane_to_crtc_mapping[3];
 	struct drm_crtc *pipe_to_crtc_mapping[3];
 	wait_queue_head_t pending_flip_queue;
 
-	struct intel_pch_pll pch_plls[I915_NUM_PLLS];
+	int num_shared_dpll;
+	struct intel_shared_dpll shared_dplls[I915_NUM_PLLS];
 	struct intel_ddi_plls ddi_plls;
 
 	/* Reclocking support */
@@ -1038,8 +1126,6 @@ typedef struct drm_i915_private {
 	/* indicates the reduced downclock for LVDS*/
 	int lvds_downclock;
 	u16 orig_clock;
-	int child_dev_num;
-	struct child_device_config *child_dev;
 
 	bool mchbar_need_disable;
 
@@ -1052,6 +1138,9 @@ typedef struct drm_i915_private {
 	 * mchdev_lock in intel_pm.c */
 	struct intel_ilk_power_mgmt ips;
 
+	/* Haswell power well */
+	struct i915_power_well power_well;
+
 	enum no_fbc_reason no_fbc_reason;
 
 	struct drm_mm_node *compressed_fb;
@@ -1059,6 +1148,8 @@ typedef struct drm_i915_private {
 
 	struct i915_gpu_error gpu_error;
 
+	struct drm_i915_gem_object *vlv_pctx;
+
 	/* list of fbdev register on this device */
 	struct intel_fbdev *fbdev;
 
@@ -1124,7 +1215,7 @@ struct drm_i915_gem_object {
 	struct drm_mm_node *gtt_space;
 	/** Stolen memory for this object, instead of being backed by shmem. */
 	struct drm_mm_node *stolen;
-	struct list_head gtt_list;
+	struct list_head global_list;
 
 	/** This object's place on the active/inactive lists */
 	struct list_head ring_list;
@@ -1271,9 +1362,18 @@ 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 */
+	/** Position in the ringbuffer of the start of the request */
+	u32 head;
+
+	/** Position in the ringbuffer of the end of the request */
 	u32 tail;
 
+	/** Context related to this request */
+	struct i915_hw_context *ctx;
+
+	/** Batch buffer related to this request if any */
+	struct drm_i915_gem_object *batch_obj;
+
 	/** Time at which this request was emitted, in jiffies. */
 	unsigned long emitted_jiffies;
 
@@ -1291,6 +1391,8 @@ struct drm_i915_file_private {
 		struct list_head request_list;
 	} mm;
 	struct idr context_idr;
+
+	struct i915_ctx_hang_stats hang_stats;
 };
 
 #define INTEL_INFO(dev)	(((struct drm_i915_private *) (dev)->dev_private)->info)
@@ -1341,6 +1443,7 @@ 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_VEBOX(dev)          (INTEL_INFO(dev)->has_vebox_ring)
 #define HAS_LLC(dev)            (INTEL_INFO(dev)->has_llc)
 #define I915_NEED_GFX_HWS(dev)	(INTEL_INFO(dev)->need_gfx_hws)
 
@@ -1371,10 +1474,13 @@ struct drm_i915_file_private {
 #define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
 #define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
 
+#define HAS_IPS(dev)		(IS_ULT(dev))
+
 #define HAS_PIPE_CONTROL(dev) (INTEL_INFO(dev)->gen >= 5)
 
-#define HAS_DDI(dev)		(IS_HASWELL(dev))
+#define HAS_DDI(dev)		(INTEL_INFO(dev)->has_ddi)
 #define HAS_POWER_WELL(dev)	(IS_HASWELL(dev))
+#define HAS_FPGA_DBG_UNCLAIMED(dev)	(INTEL_INFO(dev)->has_fpga_dbg)
 
 #define INTEL_PCH_DEVICE_ID_MASK		0xff00
 #define INTEL_PCH_IBX_DEVICE_ID_TYPE		0x3b00
@@ -1435,6 +1541,7 @@ extern bool i915_enable_hangcheck __read_mostly;
 extern int i915_enable_ppgtt __read_mostly;
 extern unsigned int i915_preliminary_hw_support __read_mostly;
 extern int i915_disable_power_well __read_mostly;
+extern int i915_enable_ips __read_mostly;
 
 extern int i915_suspend(struct drm_device *dev, pm_message_t state);
 extern int i915_resume(struct drm_device *dev);
@@ -1486,8 +1593,6 @@ i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
 void
 i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
 
-void intel_enable_asle(struct drm_device *dev);
-
 #ifdef CONFIG_DEBUG_FS
 extern void i915_destroy_error_state(struct drm_device *dev);
 #else
@@ -1626,6 +1731,7 @@ 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;
+		WARN_ON(dev_priv->fence_regs[obj->fence_reg].pin_count <= 0);
 		dev_priv->fence_regs[obj->fence_reg].pin_count--;
 	}
 }
@@ -1658,9 +1764,12 @@ void i915_gem_init_swizzling(struct drm_device *dev);
 void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
 int __must_check i915_gpu_idle(struct drm_device *dev);
 int __must_check i915_gem_idle(struct drm_device *dev);
-int i915_add_request(struct intel_ring_buffer *ring,
-		     struct drm_file *file,
-		     u32 *seqno);
+int __i915_add_request(struct intel_ring_buffer *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 __must_check i915_wait_seqno(struct intel_ring_buffer *ring,
 				 uint32_t seqno);
 int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
@@ -1705,6 +1814,21 @@ void i915_gem_context_fini(struct drm_device *dev);
 void i915_gem_context_close(struct drm_device *dev, struct drm_file *file);
 int i915_switch_context(struct intel_ring_buffer *ring,
 			struct drm_file *file, int to_id);
+void i915_gem_context_free(struct kref *ctx_ref);
+static inline void i915_gem_context_reference(struct i915_hw_context *ctx)
+{
+	kref_get(&ctx->ref);
+}
+
+static inline void i915_gem_context_unreference(struct i915_hw_context *ctx)
+{
+	kref_put(&ctx->ref, i915_gem_context_free);
+}
+
+struct i915_ctx_hang_stats * __must_check
+i915_gem_context_get_hang_stats(struct intel_ring_buffer *ring,
+				struct drm_file *file,
+				u32 id);
 int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
 				  struct drm_file *file);
 int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
@@ -1786,6 +1910,8 @@ void i915_gem_dump_object(struct drm_i915_gem_object *obj, int len,
 /* i915_debugfs.c */
 int i915_debugfs_init(struct drm_minor *minor);
 void i915_debugfs_cleanup(struct drm_minor *minor);
+__printf(2, 3)
+void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...);
 
 /* i915_suspend.c */
 extern int i915_save_state(struct drm_device *dev);
@@ -1802,7 +1928,7 @@ void i915_teardown_sysfs(struct drm_device *dev_priv);
 /* intel_i2c.c */
 extern int intel_setup_gmbus(struct drm_device *dev);
 extern void intel_teardown_gmbus(struct drm_device *dev);
-extern inline bool intel_gmbus_is_port_valid(unsigned port)
+static inline bool intel_gmbus_is_port_valid(unsigned port)
 {
 	return (port >= GMBUS_PORT_SSC && port <= GMBUS_PORT_DPD);
 }
@@ -1811,7 +1937,7 @@ extern struct i2c_adapter *intel_gmbus_get_adapter(
 		struct drm_i915_private *dev_priv, unsigned port);
 extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
 extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
-extern inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
+static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
 {
 	return container_of(adapter, struct intel_gmbus, adapter)->force_bit;
 }
@@ -1823,14 +1949,10 @@ extern int intel_opregion_setup(struct drm_device *dev);
 extern void intel_opregion_init(struct drm_device *dev);
 extern void intel_opregion_fini(struct drm_device *dev);
 extern void intel_opregion_asle_intr(struct drm_device *dev);
-extern void intel_opregion_gse_intr(struct drm_device *dev);
-extern void intel_opregion_enable_asle(struct drm_device *dev);
 #else
 static inline void intel_opregion_init(struct drm_device *dev) { return; }
 static inline void intel_opregion_fini(struct drm_device *dev) { return; }
 static inline void intel_opregion_asle_intr(struct drm_device *dev) { return; }
-static inline void intel_opregion_gse_intr(struct drm_device *dev) { return; }
-static inline void intel_opregion_enable_asle(struct drm_device *dev) { return; }
 #endif
 
 /* intel_acpi.c */
@@ -1844,6 +1966,7 @@ static inline void intel_unregister_dsm_handler(void) { return; }
 
 /* modesetting */
 extern void intel_modeset_init_hw(struct drm_device *dev);
+extern void intel_modeset_suspend_hw(struct drm_device *dev);
 extern void intel_modeset_init(struct drm_device *dev);
 extern void intel_modeset_gem_init(struct drm_device *dev);
 extern void intel_modeset_cleanup(struct drm_device *dev);
@@ -1856,6 +1979,9 @@ 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);
+extern void valleyview_set_rps(struct drm_device *dev, u8 val);
+extern int valleyview_rps_max_freq(struct drm_i915_private *dev_priv);
+extern int valleyview_rps_min_freq(struct drm_i915_private *dev_priv);
 extern void intel_detect_pch(struct drm_device *dev);
 extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
 extern int intel_enable_rc6(const struct drm_device *dev);
@@ -1867,10 +1993,11 @@ int i915_reg_read_ioctl(struct drm_device *dev, void *data,
 /* overlay */
 #ifdef CONFIG_DEBUG_FS
 extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
-extern void intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error);
+extern void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e,
+					    struct intel_overlay_error_state *error);
 
 extern struct intel_display_error_state *intel_display_capture_error_state(struct drm_device *dev);
-extern void intel_display_print_error_state(struct seq_file *m,
+extern void intel_display_print_error_state(struct drm_i915_error_state_buf *e,
 					    struct drm_device *dev,
 					    struct intel_display_error_state *error);
 #endif
@@ -1885,8 +2012,20 @@ int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv);
 
 int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u8 mbox, u32 *val);
 int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u8 mbox, u32 val);
-int valleyview_punit_read(struct drm_i915_private *dev_priv, u8 addr, u32 *val);
-int valleyview_punit_write(struct drm_i915_private *dev_priv, u8 addr, 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_nc_read(struct drm_i915_private *dev_priv, u8 addr);
+u32 vlv_dpio_read(struct drm_i915_private *dev_priv, int reg);
+void vlv_dpio_write(struct drm_i915_private *dev_priv, int reg, u32 val);
+u32 intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg,
+		   enum intel_sbi_destination destination);
+void intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
+		     enum intel_sbi_destination destination);
+
+int vlv_gpu_freq(int ddr_freq, int val);
+int vlv_freq_opcode(int ddr_freq, int val);
 
 #define __i915_read(x, y) \
 	u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg);