Merge tag 'iwlwifi-for-john-2014-10-23' of git://git.kernel.org/pub/scm/linux/kernel...
[cascardo/linux.git] / drivers / gpu / drm / i915 / i915_drv.h
index 3524306..16a6f6d 100644 (file)
 #include "i915_reg.h"
 #include "intel_bios.h"
 #include "intel_ringbuffer.h"
+#include "intel_lrc.h"
 #include "i915_gem_gtt.h"
+#include "i915_gem_render_state.h"
 #include <linux/io-mapping.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
 #include <drm/intel-gtt.h>
+#include <drm/drm_legacy.h> /* for struct drm_dma_handle */
+#include <drm/drm_gem.h>
 #include <linux/backlight.h>
 #include <linux/hashtable.h>
 #include <linux/intel-iommu.h>
 /* General customization:
  */
 
-#define DRIVER_AUTHOR          "Tungsten Graphics, Inc."
-
 #define DRIVER_NAME            "i915"
 #define DRIVER_DESC            "Intel Graphics"
-#define DRIVER_DATE            "20140725"
+#define DRIVER_DATE            "20140905"
 
 enum pipe {
        INVALID_PIPE = -1,
@@ -162,7 +164,10 @@ enum hpd_pin {
         I915_GEM_DOMAIN_INSTRUCTION | \
         I915_GEM_DOMAIN_VERTEX)
 
-#define for_each_pipe(p) for ((p) = 0; (p) < INTEL_INFO(dev)->num_pipes; (p)++)
+#define for_each_pipe(__dev_priv, __p) \
+       for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++)
+#define for_each_plane(pipe, p) \
+       for ((p) = 0; (p) < INTEL_INFO(dev)->num_sprites[(pipe)] + 1; (p)++)
 #define for_each_sprite(p, s) for ((s) = 0; (s) < INTEL_INFO(dev)->num_sprites[(p)]; (s)++)
 
 #define for_each_crtc(dev, crtc) \
@@ -171,6 +176,11 @@ enum hpd_pin {
 #define for_each_intel_crtc(dev, intel_crtc) \
        list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head)
 
+#define for_each_intel_encoder(dev, intel_encoder)             \
+       list_for_each_entry(intel_encoder,                      \
+                           &(dev)->mode_config.encoder_list,   \
+                           base.head)
+
 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
        list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
                if ((intel_encoder)->base.crtc == (__crtc))
@@ -198,10 +208,13 @@ enum intel_dpll_id {
 #define I915_NUM_PLLS 2
 
 struct intel_dpll_hw_state {
+       /* i9xx, pch plls */
        uint32_t dpll;
        uint32_t dpll_md;
        uint32_t fp0;
        uint32_t fp1;
+
+       /* hsw, bdw */
        uint32_t wrpll;
 };
 
@@ -277,8 +290,10 @@ struct intel_opregion {
 struct intel_overlay;
 struct intel_overlay_error_state;
 
+struct drm_local_map;
+
 struct drm_i915_master_private {
-       drm_local_map_t *sarea;
+       struct drm_local_map *sarea;
        struct _drm_i915_sarea *sarea_priv;
 };
 #define I915_FENCE_REG_NONE -1
@@ -388,6 +403,7 @@ struct drm_i915_error_state {
                pid_t pid;
                char comm[TASK_COMM_LEN];
        } ring[I915_NUM_RINGS];
+
        struct drm_i915_error_buffer {
                u32 size;
                u32 name;
@@ -406,6 +422,7 @@ struct drm_i915_error_state {
        } **active_bo, **pinned_bo;
 
        u32 *active_bo_count, *pinned_bo_count;
+       u32 vm_count;
 };
 
 struct intel_connector;
@@ -551,6 +568,7 @@ struct intel_uncore {
 
 struct intel_device_info {
        u32 display_mmio_offset;
+       u16 device_id;
        u8 num_pipes:3;
        u8 num_sprites[I915_MAX_PIPES];
        u8 gen;
@@ -615,13 +633,21 @@ struct intel_context {
        uint8_t remap_slice;
        struct drm_i915_file_private *file_priv;
        struct i915_ctx_hang_stats hang_stats;
-       struct i915_address_space *vm;
+       struct i915_hw_ppgtt *ppgtt;
 
+       /* Legacy ring buffer submission */
        struct {
                struct drm_i915_gem_object *rcs_state;
                bool initialized;
        } legacy_hw_ctx;
 
+       /* Execlists */
+       bool rcs_initialized;
+       struct {
+               struct drm_i915_gem_object *state;
+               struct intel_ringbuffer *ringbuf;
+       } engine[I915_NUM_RINGS];
+
        struct list_head link;
 };
 
@@ -635,6 +661,8 @@ struct i915_fbc {
        struct drm_mm_node compressed_fb;
        struct drm_mm_node *compressed_llb;
 
+       bool false_color;
+
        struct intel_fbc_work {
                struct delayed_work work;
                struct drm_crtc *crtc;
@@ -688,6 +716,7 @@ enum intel_sbi_destination {
 #define QUIRK_LVDS_SSC_DISABLE (1<<1)
 #define QUIRK_INVERT_BRIGHTNESS (1<<2)
 #define QUIRK_BACKLIGHT_PRESENT (1<<3)
+#define QUIRK_PIPEB_FORCE (1<<4)
 
 struct intel_fbdev;
 struct intel_fbc_work;
@@ -1147,6 +1176,7 @@ struct i915_gem_mm {
 };
 
 struct drm_i915_error_state_buf {
+       struct drm_i915_private *i915;
        unsigned bytes;
        unsigned size;
        int err;
@@ -1219,6 +1249,9 @@ struct i915_gpu_error {
 
        /* For missed irq/seqno simulation. */
        unsigned int test_irq_rings;
+
+       /* Used to prevent gem_check_wedged returning -EAGAIN during gpu reset   */
+       bool reload_in_reset;
 };
 
 enum modeset_restore {
@@ -1228,6 +1261,12 @@ enum modeset_restore {
 };
 
 struct ddi_vbt_port_info {
+       /*
+        * This is an index in the HDMI/DVI DDI buffer translation table.
+        * The special value HDMI_LEVEL_SHIFT_UNKNOWN means the VBT didn't
+        * populate this field.
+        */
+#define HDMI_LEVEL_SHIFT_UNKNOWN       0xff
        uint8_t hdmi_level_shift;
 
        uint8_t supports_dvi:1;
@@ -1421,7 +1460,7 @@ struct drm_i915_private {
        struct drm_i915_gem_object *semaphore_obj;
        uint32_t last_seqno, next_seqno;
 
-       drm_dma_handle_t *status_page_dmah;
+       struct drm_dma_handle *status_page_dmah;
        struct resource mch_res;
 
        /* protects the irq masks */
@@ -1475,6 +1514,9 @@ struct drm_i915_private {
        /* LVDS info */
        bool no_aux_handshake;
 
+       /* protects panel power sequencer state */
+       struct mutex pps_mutex;
+
        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 */
@@ -1526,6 +1568,20 @@ struct drm_i915_private {
        struct intel_shared_dpll shared_dplls[I915_NUM_PLLS];
        int dpio_phy_iosf_port[I915_NUM_PHYS_VLV];
 
+       /*
+        * workarounds are currently applied at different places and
+        * changes are being done to consolidate them so exact count is
+        * not clear at this point, use a max value for now.
+        */
+#define I915_MAX_WA_REGS  16
+       struct {
+               u32 addr;
+               u32 value;
+               /* bitmask representing WA bits */
+               u32 mask;
+       } intel_wa_regs[I915_MAX_WA_REGS];
+       u32 num_wa_regs;
+
        /* Reclocking support */
        bool render_reclock_avail;
        bool lvds_downclock_avail;
@@ -1561,14 +1617,9 @@ struct drm_i915_private {
 #ifdef CONFIG_DRM_I915_FBDEV
        /* list of fbdev register on this device */
        struct intel_fbdev *fbdev;
+       struct work_struct fbdev_suspend_work;
 #endif
 
-       /*
-        * The console may be contended at resume, but we don't
-        * want it to block on it.
-        */
-       struct work_struct console_resume_work;
-
        struct drm_property *broadcast_rgb_property;
        struct drm_property *force_audio_property;
 
@@ -1614,12 +1665,28 @@ struct drm_i915_private {
         */
        struct workqueue_struct *dp_wq;
 
+       uint32_t bios_vgacntr;
+
        /* Old dri1 support infrastructure, beware the dragons ya fools entering
         * here! */
        struct i915_dri1_state dri1;
        /* Old ums support infrastructure, same warning applies. */
        struct i915_ums_state ums;
 
+       /* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
+       struct {
+               int (*do_execbuf)(struct drm_device *dev, struct drm_file *file,
+                                 struct intel_engine_cs *ring,
+                                 struct intel_context *ctx,
+                                 struct drm_i915_gem_execbuffer2 *args,
+                                 struct list_head *vmas,
+                                 struct drm_i915_gem_object *batch_obj,
+                                 u64 exec_start, u32 flags);
+               int (*init_rings)(struct drm_device *dev);
+               void (*cleanup_ring)(struct intel_engine_cs *ring);
+               void (*stop_ring)(struct intel_engine_cs *ring);
+       } gt;
+
        /*
         * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
         * will be rejected. Instead look for a better place.
@@ -1761,13 +1828,6 @@ struct drm_i915_gem_object {
         * Only honoured if hardware has relevant pte bit
         */
        unsigned long gt_ro:1;
-
-       /*
-        * Is the GPU currently using a fence to access this buffer,
-        */
-       unsigned int pending_fenced_gpu_access:1;
-       unsigned int fenced_gpu_access:1;
-
        unsigned int cache_level:3;
 
        unsigned int has_aliasing_ppgtt_mapping:1;
@@ -1805,7 +1865,7 @@ struct drm_i915_gem_object {
        struct drm_file *pin_filp;
 
        /** for phy allocated objects */
-       drm_dma_handle_t *phys_handle;
+       struct drm_dma_handle *phys_handle;
 
        union {
                struct i915_gem_userptr {
@@ -1971,51 +2031,63 @@ struct drm_i915_cmd_table {
        int count;
 };
 
-#define INTEL_INFO(dev)        (&to_i915(dev)->info)
-
-#define IS_I830(dev)           ((dev)->pdev->device == 0x3577)
-#define IS_845G(dev)           ((dev)->pdev->device == 0x2562)
+/* Note that the (struct drm_i915_private *) cast is just to shut up gcc. */
+#define __I915__(p) ({ \
+       struct drm_i915_private *__p; \
+       if (__builtin_types_compatible_p(typeof(*p), struct drm_i915_private)) \
+               __p = (struct drm_i915_private *)p; \
+       else if (__builtin_types_compatible_p(typeof(*p), struct drm_device)) \
+               __p = to_i915((struct drm_device *)p); \
+       else \
+               BUILD_BUG(); \
+       __p; \
+})
+#define INTEL_INFO(p)  (&__I915__(p)->info)
+#define INTEL_DEVID(p) (INTEL_INFO(p)->device_id)
+
+#define IS_I830(dev)           (INTEL_DEVID(dev) == 0x3577)
+#define IS_845G(dev)           (INTEL_DEVID(dev) == 0x2562)
 #define IS_I85X(dev)           (INTEL_INFO(dev)->is_i85x)
-#define IS_I865G(dev)          ((dev)->pdev->device == 0x2572)
+#define IS_I865G(dev)          (INTEL_DEVID(dev) == 0x2572)
 #define IS_I915G(dev)          (INTEL_INFO(dev)->is_i915g)
-#define IS_I915GM(dev)         ((dev)->pdev->device == 0x2592)
-#define IS_I945G(dev)          ((dev)->pdev->device == 0x2772)
+#define IS_I915GM(dev)         (INTEL_DEVID(dev) == 0x2592)
+#define IS_I945G(dev)          (INTEL_DEVID(dev) == 0x2772)
 #define IS_I945GM(dev)         (INTEL_INFO(dev)->is_i945gm)
 #define IS_BROADWATER(dev)     (INTEL_INFO(dev)->is_broadwater)
 #define IS_CRESTLINE(dev)      (INTEL_INFO(dev)->is_crestline)
-#define IS_GM45(dev)           ((dev)->pdev->device == 0x2A42)
+#define IS_GM45(dev)           (INTEL_DEVID(dev) == 0x2A42)
 #define IS_G4X(dev)            (INTEL_INFO(dev)->is_g4x)
-#define IS_PINEVIEW_G(dev)     ((dev)->pdev->device == 0xa001)
-#define IS_PINEVIEW_M(dev)     ((dev)->pdev->device == 0xa011)
+#define IS_PINEVIEW_G(dev)     (INTEL_DEVID(dev) == 0xa001)
+#define IS_PINEVIEW_M(dev)     (INTEL_DEVID(dev) == 0xa011)
 #define IS_PINEVIEW(dev)       (INTEL_INFO(dev)->is_pineview)
 #define IS_G33(dev)            (INTEL_INFO(dev)->is_g33)
-#define IS_IRONLAKE_M(dev)     ((dev)->pdev->device == 0x0046)
+#define IS_IRONLAKE_M(dev)     (INTEL_DEVID(dev) == 0x0046)
 #define IS_IVYBRIDGE(dev)      (INTEL_INFO(dev)->is_ivybridge)
-#define IS_IVB_GT1(dev)                ((dev)->pdev->device == 0x0156 || \
-                                (dev)->pdev->device == 0x0152 || \
-                                (dev)->pdev->device == 0x015a)
-#define IS_SNB_GT1(dev)                ((dev)->pdev->device == 0x0102 || \
-                                (dev)->pdev->device == 0x0106 || \
-                                (dev)->pdev->device == 0x010A)
+#define IS_IVB_GT1(dev)                (INTEL_DEVID(dev) == 0x0156 || \
+                                INTEL_DEVID(dev) == 0x0152 || \
+                                INTEL_DEVID(dev) == 0x015a)
+#define IS_SNB_GT1(dev)                (INTEL_DEVID(dev) == 0x0102 || \
+                                INTEL_DEVID(dev) == 0x0106 || \
+                                INTEL_DEVID(dev) == 0x010A)
 #define IS_VALLEYVIEW(dev)     (INTEL_INFO(dev)->is_valleyview)
 #define IS_CHERRYVIEW(dev)     (INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
 #define IS_HASWELL(dev)        (INTEL_INFO(dev)->is_haswell)
 #define IS_BROADWELL(dev)      (!INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
 #define IS_MOBILE(dev)         (INTEL_INFO(dev)->is_mobile)
 #define IS_HSW_EARLY_SDV(dev)  (IS_HASWELL(dev) && \
-                                ((dev)->pdev->device & 0xFF00) == 0x0C00)
+                                (INTEL_DEVID(dev) & 0xFF00) == 0x0C00)
 #define IS_BDW_ULT(dev)                (IS_BROADWELL(dev) && \
-                                (((dev)->pdev->device & 0xf) == 0x2  || \
-                                ((dev)->pdev->device & 0xf) == 0x6 || \
-                                ((dev)->pdev->device & 0xf) == 0xe))
+                                ((INTEL_DEVID(dev) & 0xf) == 0x2  || \
+                                (INTEL_DEVID(dev) & 0xf) == 0x6 || \
+                                (INTEL_DEVID(dev) & 0xf) == 0xe))
 #define IS_HSW_ULT(dev)                (IS_HASWELL(dev) && \
-                                ((dev)->pdev->device & 0xFF00) == 0x0A00)
+                                (INTEL_DEVID(dev) & 0xFF00) == 0x0A00)
 #define IS_ULT(dev)            (IS_HSW_ULT(dev) || IS_BDW_ULT(dev))
 #define IS_HSW_GT3(dev)                (IS_HASWELL(dev) && \
-                                ((dev)->pdev->device & 0x00F0) == 0x0020)
+                                (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
 /* ULX machines are also considered ULT. */
-#define IS_HSW_ULX(dev)                ((dev)->pdev->device == 0x0A0E || \
-                                (dev)->pdev->device == 0x0A1E)
+#define IS_HSW_ULX(dev)                (INTEL_DEVID(dev) == 0x0A0E || \
+                                INTEL_DEVID(dev) == 0x0A1E)
 #define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
 
 /*
@@ -2047,10 +2119,11 @@ struct drm_i915_cmd_table {
 #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
 
 #define HAS_HW_CONTEXTS(dev)   (INTEL_INFO(dev)->gen >= 6)
+#define HAS_LOGICAL_RING_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 8)
 #define HAS_ALIASING_PPGTT(dev)        (INTEL_INFO(dev)->gen >= 6)
 #define HAS_PPGTT(dev)         (INTEL_INFO(dev)->gen >= 7 && !IS_GEN8(dev))
-#define USES_PPGTT(dev)                intel_enable_ppgtt(dev, false)
-#define USES_FULL_PPGTT(dev)   intel_enable_ppgtt(dev, true)
+#define USES_PPGTT(dev)                (i915.enable_ppgtt)
+#define USES_FULL_PPGTT(dev)   (i915.enable_ppgtt == 2)
 
 #define HAS_OVERLAY(dev)               (INTEL_INFO(dev)->has_overlay)
 #define OVERLAY_NEEDS_PHYSICAL(dev)    (INTEL_INFO(dev)->overlay_needs_physical)
@@ -2134,6 +2207,7 @@ struct i915_params {
        int enable_rc6;
        int enable_fbc;
        int enable_ppgtt;
+       int enable_execlists;
        int enable_psr;
        unsigned int preliminary_hw_support;
        int disable_power_well;
@@ -2180,8 +2254,6 @@ extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
 int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool on);
 void intel_hpd_cancel_work(struct drm_i915_private *dev_priv);
 
-extern void intel_console_resume(struct work_struct *work);
-
 /* i915_irq.c */
 void i915_queue_hangcheck(struct drm_device *dev);
 __printf(3, 4)
@@ -2229,6 +2301,20 @@ int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
                              struct drm_file *file_priv);
 int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
                             struct drm_file *file_priv);
+void i915_gem_execbuffer_move_to_active(struct list_head *vmas,
+                                       struct intel_engine_cs *ring);
+void i915_gem_execbuffer_retire_commands(struct drm_device *dev,
+                                        struct drm_file *file,
+                                        struct intel_engine_cs *ring,
+                                        struct drm_i915_gem_object *obj);
+int i915_gem_ringbuffer_submission(struct drm_device *dev,
+                                  struct drm_file *file,
+                                  struct intel_engine_cs *ring,
+                                  struct intel_context *ctx,
+                                  struct drm_i915_gem_execbuffer2 *args,
+                                  struct list_head *vmas,
+                                  struct drm_i915_gem_object *batch_obj,
+                                  u64 exec_start, u32 flags);
 int i915_gem_execbuffer(struct drm_device *dev, void *data,
                        struct drm_file *file_priv);
 int i915_gem_execbuffer2(struct drm_device *dev, void *data,
@@ -2263,6 +2349,12 @@ int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
 int i915_gem_wait_ioctl(struct drm_device *dev, void *data,
                        struct drm_file *file_priv);
 void i915_gem_load(struct drm_device *dev);
+unsigned long i915_gem_shrink(struct drm_i915_private *dev_priv,
+                             long target,
+                             unsigned flags);
+#define I915_SHRINK_PURGEABLE 0x1
+#define I915_SHRINK_UNBOUND 0x2
+#define I915_SHRINK_BOUND 0x4
 void *i915_gem_object_alloc(struct drm_device *dev);
 void i915_gem_object_free(struct drm_i915_gem_object *obj);
 void i915_gem_object_init(struct drm_i915_gem_object *obj,
@@ -2381,6 +2473,7 @@ void i915_gem_reset(struct drm_device *dev);
 bool i915_gem_clflush_object(struct drm_i915_gem_object *obj, bool force);
 int __must_check i915_gem_object_finish_gpu(struct drm_i915_gem_object *obj);
 int __must_check i915_gem_init(struct drm_device *dev);
+int i915_gem_init_rings(struct drm_device *dev);
 int __must_check i915_gem_init_hw(struct drm_device *dev);
 int i915_gem_l3_remap(struct intel_engine_cs *ring, int slice);
 void i915_gem_init_swizzling(struct drm_device *dev);
@@ -2451,7 +2544,7 @@ static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) {
 }
 
 /* Some GGTT VM helpers */
-#define obj_to_ggtt(obj) \
+#define i915_obj_to_ggtt(obj) \
        (&((struct drm_i915_private *)(obj)->base.dev->dev_private)->gtt.base)
 static inline bool i915_is_ggtt(struct i915_address_space *vm)
 {
@@ -2460,21 +2553,30 @@ static inline bool i915_is_ggtt(struct i915_address_space *vm)
        return vm == ggtt;
 }
 
+static inline struct i915_hw_ppgtt *
+i915_vm_to_ppgtt(struct i915_address_space *vm)
+{
+       WARN_ON(i915_is_ggtt(vm));
+
+       return container_of(vm, struct i915_hw_ppgtt, base);
+}
+
+
 static inline bool i915_gem_obj_ggtt_bound(struct drm_i915_gem_object *obj)
 {
-       return i915_gem_obj_bound(obj, obj_to_ggtt(obj));
+       return i915_gem_obj_bound(obj, i915_obj_to_ggtt(obj));
 }
 
 static inline unsigned long
 i915_gem_obj_ggtt_offset(struct drm_i915_gem_object *obj)
 {
-       return i915_gem_obj_offset(obj, obj_to_ggtt(obj));
+       return i915_gem_obj_offset(obj, i915_obj_to_ggtt(obj));
 }
 
 static inline unsigned long
 i915_gem_obj_ggtt_size(struct drm_i915_gem_object *obj)
 {
-       return i915_gem_obj_size(obj, obj_to_ggtt(obj));
+       return i915_gem_obj_size(obj, i915_obj_to_ggtt(obj));
 }
 
 static inline int __must_check
@@ -2482,7 +2584,8 @@ i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
                      uint32_t alignment,
                      unsigned flags)
 {
-       return i915_gem_object_pin(obj, obj_to_ggtt(obj), alignment, flags | PIN_GLOBAL);
+       return i915_gem_object_pin(obj, i915_obj_to_ggtt(obj),
+                                  alignment, flags | PIN_GLOBAL);
 }
 
 static inline int
@@ -2494,7 +2597,6 @@ i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
 void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj);
 
 /* i915_gem_context.c */
-#define ctx_to_ppgtt(ctx) container_of((ctx)->vm, struct i915_hw_ppgtt, base)
 int __must_check i915_gem_context_init(struct drm_device *dev);
 void i915_gem_context_fini(struct drm_device *dev);
 void i915_gem_context_reset(struct drm_device *dev);
@@ -2506,6 +2608,8 @@ int i915_switch_context(struct intel_engine_cs *ring,
 struct intel_context *
 i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id);
 void i915_gem_context_free(struct kref *ctx_ref);
+struct drm_i915_gem_object *
+i915_gem_alloc_context_obj(struct drm_device *dev, size_t size);
 static inline void i915_gem_context_reference(struct intel_context *ctx)
 {
        kref_get(&ctx->ref);
@@ -2526,8 +2630,6 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
 int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
                                   struct drm_file *file);
 
-/* i915_gem_render_state.c */
-int i915_gem_render_state_init(struct intel_engine_cs *ring);
 /* i915_gem_evict.c */
 int __must_check i915_gem_evict_something(struct drm_device *dev,
                                          struct i915_address_space *vm,
@@ -2595,6 +2697,7 @@ void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...);
 int i915_error_state_to_str(struct drm_i915_error_state_buf *estr,
                            const struct i915_error_state_file_priv *error);
 int i915_error_state_buf_init(struct drm_i915_error_state_buf *eb,
+                             struct drm_i915_private *i915,
                              size_t count, loff_t pos);
 static inline void i915_error_state_buf_release(
        struct drm_i915_error_state_buf *eb)
@@ -2609,7 +2712,7 @@ void i915_error_state_put(struct i915_error_state_file_priv *error_priv);
 void i915_destroy_error_state(struct drm_device *dev);
 
 void i915_get_extra_instdone(struct drm_device *dev, uint32_t *instdone);
-const char *i915_cache_level_str(int type);
+const char *i915_cache_level_str(struct drm_i915_private *i915, int type);
 
 /* i915_cmd_parser.c */
 int i915_cmd_parser_get_version(void);
@@ -2701,6 +2804,7 @@ extern void intel_modeset_setup_hw_state(struct drm_device *dev,
 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 gen8_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);