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Alternative implementation of page table zeroing using zap page_range. 

(Disabled for now)
Fix bo_wait_idle bug.
Remove stray debug message.
main
Thomas Hellstrom 2006-09-18 20:43:31 +02:00
parent c4fad4c961
commit ca1b15d645
4 changed files with 21 additions and 4 deletions
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6
libdrm/xf86drm.c
View File

@ -2984,8 +2984,10 @@ int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint)
req->hint = hint;
arg.next = 0;
ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg);
do {
ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg);
} while (ret && errno == EAGAIN);
if (ret)
return ret;
if (!arg.handled)

4
linux-core/drm_bo.c
View File

@ -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;
}
/*

14
linux-core/drm_compat.c
View File

@ -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)
{

1
linux-core/i915_fence.c
View File

@ -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);