drm/i915: introduce intel_ring_buffer structure (V2)

[net-next-2.6.git] / drivers / gpu / drm / i915 / i915_irq.c

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index df6a9cd82c4d9a12d455cb2131d66d3fd8e7b1ec..e07c643c8365aaf2c6bf31e970943d1bc5b3cbd0 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -74,7 +74,7 @@ ironlake_enable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
        }
 }
 
-static inline void
+void
 ironlake_disable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
 {
        if ((dev_priv->gt_irq_mask_reg & mask) != mask) {
@@ -115,7 +115,7 @@ i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
        }
 }
 
-static inline void
+void
 i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
 {
        if ((dev_priv->irq_mask_reg & mask) != mask) {
@@ -169,9 +169,13 @@ void intel_enable_asle (struct drm_device *dev)
 
        if (HAS_PCH_SPLIT(dev))
                ironlake_enable_display_irq(dev_priv, DE_GSE);
-       else
+       else {
                i915_enable_pipestat(dev_priv, 1,
                                     I915_LEGACY_BLC_EVENT_ENABLE);
+               if (IS_I965G(dev))
+                       i915_enable_pipestat(dev_priv, 0,
+                                            I915_LEGACY_BLC_EVENT_ENABLE);
+       }
 }
 
 /**
@@ -256,18 +260,18 @@ static void i915_hotplug_work_func(struct work_struct *work)
                                                    hotplug_work);
        struct drm_device *dev = dev_priv->dev;
        struct drm_mode_config *mode_config = &dev->mode_config;
-       struct drm_connector *connector;
+       struct drm_encoder *encoder;
 
-       if (mode_config->num_connector) {
-               list_for_each_entry(connector, &mode_config->connector_list, head) {
-                       struct intel_encoder *intel_encoder = to_intel_encoder(connector);
+       if (mode_config->num_encoder) {
+               list_for_each_entry(encoder, &mode_config->encoder_list, head) {
+                       struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
        
                        if (intel_encoder->hot_plug)
                                (*intel_encoder->hot_plug) (intel_encoder);
                }
        }
        /* Just fire off a uevent and let userspace tell us what to do */
-       drm_sysfs_hotplug_event(dev);
+       drm_helper_hpd_irq_event(dev);
 }
 
 static void i915_handle_rps_change(struct drm_device *dev)
@@ -532,17 +536,18 @@ i915_ringbuffer_last_batch(struct drm_device *dev)
         */
        bbaddr = 0;
        head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
-       ring = (u32 *)(dev_priv->ring.virtual_start + head);
+       ring = (u32 *)(dev_priv->render_ring.virtual_start + head);
 
-       while (--ring >= (u32 *)dev_priv->ring.virtual_start) {
+       while (--ring >= (u32 *)dev_priv->render_ring.virtual_start) {
                bbaddr = i915_get_bbaddr(dev, ring);
                if (bbaddr)
                        break;
        }
 
        if (bbaddr == 0) {
-               ring = (u32 *)(dev_priv->ring.virtual_start + dev_priv->ring.Size);
-               while (--ring >= (u32 *)dev_priv->ring.virtual_start) {
+               ring = (u32 *)(dev_priv->render_ring.virtual_start
+                               + dev_priv->render_ring.size);
+               while (--ring >= (u32 *)dev_priv->render_ring.virtual_start) {
                        bbaddr = i915_get_bbaddr(dev, ring);
                        if (bbaddr)
                                break;
@@ -612,7 +617,7 @@ static void i915_capture_error_state(struct drm_device *dev)
        batchbuffer[1] = NULL;
        count = 0;
        list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
-               struct drm_gem_object *obj = obj_priv->obj;
+               struct drm_gem_object *obj = &obj_priv->base;
 
                if (batchbuffer[0] == NULL &&
                    bbaddr >= obj_priv->gtt_offset &&
@@ -635,7 +640,8 @@ static void i915_capture_error_state(struct drm_device *dev)
        error->batchbuffer[1] = i915_error_object_create(dev, batchbuffer[1]);
 
        /* Record the ringbuffer */
-       error->ringbuffer = i915_error_object_create(dev, dev_priv->ring.ring_obj);
+       error->ringbuffer = i915_error_object_create(dev,
+                       dev_priv->render_ring.gem_object);
 
        /* Record buffers on the active list. */
        error->active_bo = NULL;
@@ -648,7 +654,7 @@ static void i915_capture_error_state(struct drm_device *dev)
        if (error->active_bo) {
                int i = 0;
                list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
-                       struct drm_gem_object *obj = obj_priv->obj;
+                       struct drm_gem_object *obj = &obj_priv->base;
 
                        error->active_bo[i].size = obj->size;
                        error->active_bo[i].name = obj->name;
@@ -950,7 +956,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
                        intel_finish_page_flip(dev, 1);
                }
 
-               if ((pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) ||
+               if ((pipea_stats & I915_LEGACY_BLC_EVENT_STATUS) ||
+                   (pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) ||
                    (iir & I915_ASLE_INTERRUPT))
                        opregion_asle_intr(dev);
 
@@ -979,7 +986,6 @@ static int i915_emit_irq(struct drm_device * dev)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
-       RING_LOCALS;
 
        i915_kernel_lost_context(dev);
 
@@ -1001,43 +1007,13 @@ static int i915_emit_irq(struct drm_device * dev)
        return dev_priv->counter;
 }
 
-void i915_user_irq_get(struct drm_device *dev)
-{
-       drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-       unsigned long irqflags;
-
-       spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
-       if (dev->irq_enabled && (++dev_priv->user_irq_refcount == 1)) {
-               if (HAS_PCH_SPLIT(dev))
-                       ironlake_enable_graphics_irq(dev_priv, GT_PIPE_NOTIFY);
-               else
-                       i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
-       }
-       spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
-}
-
-void i915_user_irq_put(struct drm_device *dev)
-{
-       drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-       unsigned long irqflags;
-
-       spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
-       BUG_ON(dev->irq_enabled && dev_priv->user_irq_refcount <= 0);
-       if (dev->irq_enabled && (--dev_priv->user_irq_refcount == 0)) {
-               if (HAS_PCH_SPLIT(dev))
-                       ironlake_disable_graphics_irq(dev_priv, GT_PIPE_NOTIFY);
-               else
-                       i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
-       }
-       spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
-}
-
 void i915_trace_irq_get(struct drm_device *dev, u32 seqno)
 {
        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+       struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
 
        if (dev_priv->trace_irq_seqno == 0)
-               i915_user_irq_get(dev);
+               render_ring->user_irq_get(dev, render_ring);
 
        dev_priv->trace_irq_seqno = seqno;
 }
@@ -1047,6 +1023,7 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
        struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
        int ret = 0;
+       struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
 
        DRM_DEBUG_DRIVER("irq_nr=%d breadcrumb=%d\n", irq_nr,
                  READ_BREADCRUMB(dev_priv));
@@ -1060,10 +1037,10 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
        if (master_priv->sarea_priv)
                master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
 
-       i915_user_irq_get(dev);
+       render_ring->user_irq_get(dev, render_ring);
        DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
                    READ_BREADCRUMB(dev_priv) >= irq_nr);
-       i915_user_irq_put(dev);
+       render_ring->user_irq_put(dev, render_ring);
 
        if (ret == -EBUSY) {
                DRM_ERROR("EBUSY -- rec: %d emitted: %d\n",
@@ -1082,7 +1059,7 @@ int i915_irq_emit(struct drm_device *dev, void *data,
        drm_i915_irq_emit_t *emit = data;
        int result;
 
-       if (!dev_priv || !dev_priv->ring.virtual_start) {
+       if (!dev_priv || !dev_priv->render_ring.virtual_start) {
                DRM_ERROR("called with no initialization\n");
                return -EINVAL;
        }