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authorThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2006-09-18 20:43:31 +0200
committerThomas Hellstrom <thomas-at-tungstengraphics-dot-com>2006-09-18 20:43:31 +0200
commitca1b15d645c74e20f638f5a09981bcf02f58caee (patch)
tree8a58a4ad1add4fa9c8aa5cb735b62e432263af83 /linux-core
parentc4fad4c96168a3dfabaa8a7e97758fefd014c8a7 (diff)
Alternative implementation of page table zeroing using zap page_range.
(Disabled for now) Fix bo_wait_idle bug. Remove stray debug message.
Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/drm_bo.c4
-rw-r--r--linux-core/drm_compat.c14
-rw-r--r--linux-core/i915_fence.c1
3 files changed, 17 insertions, 2 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index d176392a..8e51985e 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -1115,6 +1115,7 @@ static int drm_bo_handle_wait(drm_file_t * priv, uint32_t handle,
if (!bo) {
return -EINVAL;
}
+
mutex_lock(&bo->mutex);
ret = drm_bo_wait_unfenced(bo, no_wait, 0);
if (ret)
@@ -1124,10 +1125,11 @@ static int drm_bo_handle_wait(drm_file_t * priv, uint32_t handle,
goto out;
drm_bo_fill_rep_arg(bo, rep);
+
out:
mutex_unlock(&bo->mutex);
drm_bo_usage_deref_unlocked(bo->dev, bo);
- return 0;
+ return ret;
}
/*
diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c
index d387678e..e56f6608 100644
--- a/linux-core/drm_compat.c
+++ b/linux-core/drm_compat.c
@@ -124,6 +124,7 @@ static inline void change_pud_range(struct mm_struct *mm, pgd_t * pgd,
* This function should be called with all relevant spinlocks held.
*/
+#if 1
void drm_clear_vma(struct vm_area_struct *vma,
unsigned long addr, unsigned long end)
{
@@ -146,6 +147,19 @@ void drm_clear_vma(struct vm_area_struct *vma,
flush_tlb_range(vma, addr, end);
#endif
}
+#else
+
+void drm_clear_vma(struct vm_area_struct *vma,
+ unsigned long addr, unsigned long end)
+{
+ struct mm_struct *mm = vma->vm_mm;
+
+ spin_unlock(&mm->page_table_lock);
+ (void) zap_page_range(vma, addr, end - addr, NULL);
+ spin_lock(&mm->page_table_lock);
+}
+#endif
+
pgprot_t vm_get_page_prot(unsigned long vm_flags)
{
diff --git a/linux-core/i915_fence.c b/linux-core/i915_fence.c
index 8a3f81fe..7491a672 100644
--- a/linux-core/i915_fence.c
+++ b/linux-core/i915_fence.c
@@ -86,7 +86,6 @@ static void i915_perform_flush(drm_device_t * dev)
}
if (fm->pending_flush && !dev_priv->flush_pending) {
- DRM_ERROR("Sync flush");
dev_priv->flush_sequence = (uint32_t) READ_BREADCRUMB(dev_priv);
dev_priv->flush_flags = fm->pending_flush;
dev_priv->saved_flush_status = READ_HWSP(dev_priv, 0);