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authorNian Wu <nian@graphics.(none)>2007-02-25 17:06:13 -0800
committerNian Wu <nian@graphics.(none)>2007-02-25 17:06:13 -0800
commitdf2fc3ec62d6799a3266cfb18b1279a126892f44 (patch)
tree94d39b9172bce8c93cb035e40d12e635dfaeb12f /linux-core/i915_fence.c
parent80095ffe01efe79983c2124ecc99ce979d7ac6a9 (diff)
parent9d8ba2d0d479f53b996c0a0e366acfee52daab3b (diff)
Merge git://proxy01.pd.intel.com:9419/git/mesa/drm into crestline
Diffstat (limited to 'linux-core/i915_fence.c')
-rw-r--r--linux-core/i915_fence.c47
1 files changed, 29 insertions, 18 deletions
diff --git a/linux-core/i915_fence.c b/linux-core/i915_fence.c
index 2182604c..88daa57c 100644
--- a/linux-core/i915_fence.c
+++ b/linux-core/i915_fence.c
@@ -42,36 +42,34 @@ static void i915_perform_flush(drm_device_t * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
drm_fence_manager_t *fm = &dev->fm;
+ drm_fence_class_manager_t *fc = &fm->class[0];
drm_fence_driver_t *driver = dev->driver->fence_driver;
uint32_t flush_flags = 0;
uint32_t flush_sequence = 0;
uint32_t i_status;
uint32_t diff;
uint32_t sequence;
+ int rwflush;
if (!dev_priv)
return;
- if (fm->pending_exe_flush) {
+ if (fc->pending_exe_flush) {
sequence = READ_BREADCRUMB(dev_priv);
/*
* First update fences with the current breadcrumb.
*/
- diff = sequence - fm->last_exe_flush;
+ diff = sequence - fc->last_exe_flush;
if (diff < driver->wrap_diff && diff != 0) {
- drm_fence_handler(dev, sequence, DRM_FENCE_TYPE_EXE);
+ drm_fence_handler(dev, 0, sequence, DRM_FENCE_TYPE_EXE);
}
- diff = sequence - fm->exe_flush_sequence;
- if (diff < driver->wrap_diff) {
- fm->pending_exe_flush = 0;
- if (dev_priv->fence_irq_on) {
- i915_user_irq_off(dev_priv);
- dev_priv->fence_irq_on = 0;
- }
- } else if (!dev_priv->fence_irq_on) {
+ if (dev_priv->fence_irq_on && !fc->pending_exe_flush) {
+ i915_user_irq_off(dev_priv);
+ dev_priv->fence_irq_on = 0;
+ } else if (!dev_priv->fence_irq_on && fc->pending_exe_flush) {
i915_user_irq_on(dev_priv);
dev_priv->fence_irq_on = 1;
}
@@ -84,17 +82,18 @@ static void i915_perform_flush(drm_device_t * dev)
flush_flags = dev_priv->flush_flags;
flush_sequence = dev_priv->flush_sequence;
dev_priv->flush_pending = 0;
- drm_fence_handler(dev, flush_sequence, flush_flags);
+ drm_fence_handler(dev, 0, flush_sequence, flush_flags);
}
}
- if (fm->pending_flush && !dev_priv->flush_pending) {
+ rwflush = fc->pending_flush & DRM_I915_FENCE_TYPE_RW;
+ if (rwflush && !dev_priv->flush_pending) {
dev_priv->flush_sequence = (uint32_t) READ_BREADCRUMB(dev_priv);
- dev_priv->flush_flags = fm->pending_flush;
+ dev_priv->flush_flags = fc->pending_flush;
dev_priv->saved_flush_status = READ_HWSP(dev_priv, 0);
I915_WRITE(I915REG_INSTPM, (1 << 5) | (1 << 21));
dev_priv->flush_pending = 1;
- fm->pending_flush = 0;
+ fc->pending_flush &= ~DRM_I915_FENCE_TYPE_RW;
}
if (dev_priv->flush_pending) {
@@ -104,13 +103,13 @@ static void i915_perform_flush(drm_device_t * dev)
flush_flags = dev_priv->flush_flags;
flush_sequence = dev_priv->flush_sequence;
dev_priv->flush_pending = 0;
- drm_fence_handler(dev, flush_sequence, flush_flags);
+ drm_fence_handler(dev, 0, flush_sequence, flush_flags);
}
}
}
-void i915_poke_flush(drm_device_t * dev)
+void i915_poke_flush(drm_device_t * dev, uint32_t class)
{
drm_fence_manager_t *fm = &dev->fm;
unsigned long flags;
@@ -120,7 +119,7 @@ void i915_poke_flush(drm_device_t * dev)
write_unlock_irqrestore(&fm->lock, flags);
}
-int i915_fence_emit_sequence(drm_device_t * dev, uint32_t flags,
+int i915_fence_emit_sequence(drm_device_t * dev, uint32_t class, uint32_t flags,
uint32_t * sequence, uint32_t * native_type)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -144,3 +143,15 @@ void i915_fence_handler(drm_device_t * dev)
i915_perform_flush(dev);
write_unlock(&fm->lock);
}
+
+int i915_fence_has_irq(drm_device_t *dev, uint32_t class, uint32_t flags)
+{
+ /*
+ * We have an irq that tells us when we have a new breadcrumb.
+ */
+
+ if (class == 0 && flags == DRM_FENCE_TYPE_EXE)
+ return 1;
+
+ return 0;
+}