1 files changed, 249 insertions, 4 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d1a02bead458..87b071ab8647 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -39,7 +39,7 @@
 
 #define DRIVER_NAME             "i915"
 #define DRIVER_DESC             "Intel Graphics"
-#define DRIVER_DATE             "20060119"
+#define DRIVER_DATE             "20080730"
 
 enum pipe {
         PIPE_A = 0,
@@ -60,16 +60,23 @@ enum pipe {
 #define DRIVER_MINOR            6
 #define DRIVER_PATCHLEVEL       0
 
+#define WATCH_COHERENCY 0
+#define WATCH_BUF       0
+#define WATCH_EXEC      0
+#define WATCH_LRU       0
+#define WATCH_RELOC     0
+#define WATCH_INACTIVE  0
+#define WATCH_PWRITE    0
+
 typedef struct _drm_i915_ring_buffer {
         int tail_mask;
-        unsigned long Start;
-        unsigned long End;
         unsigned long Size;
         u8 *virtual_start;
         int head;
         int tail;
         int space;
         drm_local_map_t map;
+        struct drm_gem_object *ring_obj;
 } drm_i915_ring_buffer_t;
 
 struct mem_block {
@@ -101,6 +108,8 @@ struct intel_opregion {
 };
 
 typedef struct drm_i915_private {
+        struct drm_device *dev;
+
         drm_local_map_t *sarea;
         drm_local_map_t *mmio_map;
 
@@ -113,6 +122,7 @@ typedef struct drm_i915_private {
         uint32_t counter;
         unsigned int status_gfx_addr;
         drm_local_map_t hws_map;
+        struct drm_gem_object *hws_obj;
 
         unsigned int cpp;
         int back_offset;
@@ -122,7 +132,6 @@ typedef struct drm_i915_private {
 
         wait_queue_head_t irq_queue;
         atomic_t irq_received;
-        atomic_t irq_emitted;
         /** Protects user_irq_refcount and irq_mask_reg */
         spinlock_t user_irq_lock;
         /** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
@@ -230,8 +239,174 @@ typedef struct drm_i915_private {
         u8 saveDACMASK;
         u8 saveDACDATA[256*3]; /* 256 3-byte colors */
         u8 saveCR[37];
+
+        struct {
+                struct drm_mm gtt_space;
+
+                /**
+                 * List of objects currently involved in rendering from the
+                 * ringbuffer.
+                 *
+                 * A reference is held on the buffer while on this list.
+                 */
+                struct list_head active_list;
+
+                /**
+                 * List of objects which are not in the ringbuffer but which
+                 * still have a write_domain which needs to be flushed before
+                 * unbinding.
+                 *
+                 * A reference is held on the buffer while on this list.
+                 */
+                struct list_head flushing_list;
+
+                /**
+                 * LRU list of objects which are not in the ringbuffer and
+                 * are ready to unbind, but are still in the GTT.
+                 *
+                 * A reference is not held on the buffer while on this list,
+                 * as merely being GTT-bound shouldn't prevent its being
+                 * freed, and we'll pull it off the list in the free path.
+                 */
+                struct list_head inactive_list;
+
+                /**
+                 * List of breadcrumbs associated with GPU requests currently
+                 * outstanding.
+                 */
+                struct list_head request_list;
+
+                /**
+                 * We leave the user IRQ off as much as possible,
+                 * but this means that requests will finish and never
+                 * be retired once the system goes idle. Set a timer to
+                 * fire periodically while the ring is running. When it
+                 * fires, go retire requests.
+                 */
+                struct delayed_work retire_work;
+
+                uint32_t next_gem_seqno;
+
+                /**
+                 * Waiting sequence number, if any
+                 */
+                uint32_t waiting_gem_seqno;
+
+                /**
+                 * Last seq seen at irq time
+                 */
+                uint32_t irq_gem_seqno;
+
+                /**
+                 * Flag if the X Server, and thus DRM, is not currently in
+                 * control of the device.
+                 *
+                 * This is set between LeaveVT and EnterVT.  It needs to be
+                 * replaced with a semaphore.  It also needs to be
+                 * transitioned away from for kernel modesetting.
+                 */
+                int suspended;
+
+                /**
+                 * Flag if the hardware appears to be wedged.
+                 *
+                 * This is set when attempts to idle the device timeout.
+                 * It prevents command submission from occuring and makes
+                 * every pending request fail
+                 */
+                int wedged;
+
+                /** Bit 6 swizzling required for X tiling */
+                uint32_t bit_6_swizzle_x;
+                /** Bit 6 swizzling required for Y tiling */
+                uint32_t bit_6_swizzle_y;
+        } mm;
 } drm_i915_private_t;
 
+/** driver private structure attached to each drm_gem_object */
+struct drm_i915_gem_object {
+        struct drm_gem_object *obj;
+
+        /** Current space allocated to this object in the GTT, if any. */
+        struct drm_mm_node *gtt_space;
+
+        /** This object's place on the active/flushing/inactive lists */
+        struct list_head list;
+
+        /**
+         * This is set if the object is on the active or flushing lists
+         * (has pending rendering), and is not set if it's on inactive (ready
+         * to be unbound).
+         */
+        int active;
+
+        /**
+         * This is set if the object has been written to since last bound
+         * to the GTT
+         */
+        int dirty;
+
+        /** AGP memory structure for our GTT binding. */
+        DRM_AGP_MEM *agp_mem;
+
+        struct page **page_list;
+
+        /**
+         * Current offset of the object in GTT space.
+         *
+         * This is the same as gtt_space->start
+         */
+        uint32_t gtt_offset;
+
+        /** Boolean whether this object has a valid gtt offset. */
+        int gtt_bound;
+
+        /** How many users have pinned this object in GTT space */
+        int pin_count;
+
+        /** Breadcrumb of last rendering to the buffer. */
+        uint32_t last_rendering_seqno;
+
+        /** Current tiling mode for the object. */
+        uint32_t tiling_mode;
+
+        /**
+         * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
+         * GEM_DOMAIN_CPU is not in the object's read domain.
+         */
+        uint8_t *page_cpu_valid;
+};
+
+/**
+ * Request queue structure.
+ *
+ * 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.
+ */
+struct drm_i915_gem_request {
+        /** GEM sequence number associated with this request. */
+        uint32_t seqno;
+
+        /** Time at which this request was emitted, in jiffies. */
+        unsigned long emitted_jiffies;
+
+        /** Cache domains that were flushed at the start of the request. */
+        uint32_t flush_domains;
+
+        struct list_head list;
+};
+
+struct drm_i915_file_private {
+        struct {
+                uint32_t last_gem_seqno;
+                uint32_t last_gem_throttle_seqno;
+        } mm;
+};
+
 extern struct drm_ioctl_desc i915_ioctls[];
 extern int i915_max_ioctl;
 
@@ -239,18 +414,26 @@ extern int i915_max_ioctl;
 extern void i915_kernel_lost_context(struct drm_device * dev);
 extern int i915_driver_load(struct drm_device *, unsigned long flags);
 extern int i915_driver_unload(struct drm_device *);
+extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
 extern void i915_driver_lastclose(struct drm_device * dev);
 extern void i915_driver_preclose(struct drm_device *dev,
                                  struct drm_file *file_priv);
+extern void i915_driver_postclose(struct drm_device *dev,
+                                  struct drm_file *file_priv);
 extern int i915_driver_device_is_agp(struct drm_device * dev);
 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
                               unsigned long arg);
+extern int i915_emit_box(struct drm_device *dev,
+                         struct drm_clip_rect __user *boxes,
+                         int i, int DR1, int DR4);
 
 /* i915_irq.c */
 extern int i915_irq_emit(struct drm_device *dev, void *data,
                          struct drm_file *file_priv);
 extern int i915_irq_wait(struct drm_device *dev, void *data,
                          struct drm_file *file_priv);
+void i915_user_irq_get(struct drm_device *dev);
+void i915_user_irq_put(struct drm_device *dev);
 
 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
 extern void i915_driver_irq_preinstall(struct drm_device * dev);
@@ -279,6 +462,67 @@ extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
 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);
+int i915_gem_create_ioctl(struct drm_device *dev, void *data,
+                          struct drm_file *file_priv);
+int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
+                         struct drm_file *file_priv);
+int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
+                          struct drm_file *file_priv);
+int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
+                        struct drm_file *file_priv);
+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);
+int i915_gem_execbuffer(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_throttle_ioctl(struct drm_device *dev, void *data,
+                            struct drm_file *file_priv);
+int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
+                           struct drm_file *file_priv);
+int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
+                           struct drm_file *file_priv);
+int i915_gem_set_tiling(struct drm_device *dev, void *data,
+                        struct drm_file *file_priv);
+int i915_gem_get_tiling(struct drm_device *dev, void *data,
+                        struct drm_file *file_priv);
+void i915_gem_load(struct drm_device *dev);
+int i915_gem_proc_init(struct drm_minor *minor);
+void i915_gem_proc_cleanup(struct drm_minor *minor);
+int i915_gem_init_object(struct drm_gem_object *obj);
+void i915_gem_free_object(struct drm_gem_object *obj);
+int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
+void i915_gem_object_unpin(struct drm_gem_object *obj);
+void i915_gem_lastclose(struct drm_device *dev);
+uint32_t i915_get_gem_seqno(struct drm_device *dev);
+void i915_gem_retire_requests(struct drm_device *dev);
+void i915_gem_retire_work_handler(struct work_struct *work);
+void i915_gem_clflush_object(struct drm_gem_object *obj);
+
+/* i915_gem_tiling.c */
+void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
+
+/* i915_gem_debug.c */
+void i915_gem_dump_object(struct drm_gem_object *obj, int len,
+                          const char *where, uint32_t mark);
+#if WATCH_INACTIVE
+void i915_verify_inactive(struct drm_device *dev, char *file, int line);
+#else
+#define i915_verify_inactive(dev, file, line)
+#endif
+void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
+void i915_gem_dump_object(struct drm_gem_object *obj, int len,
+                          const char *where, uint32_t mark);
+void i915_dump_lru(struct drm_device *dev, const char *where);
 
 /* i915_suspend.c */
 extern int i915_save_state(struct drm_device *dev);
@@ -347,6 +591,7 @@ extern void opregion_enable_asle(struct drm_device *dev);
  */
 #define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
 #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5)
+#define I915_GEM_HWS_INDEX              0x10
 
 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);