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The pmap_qenter() and pmap_qremove() perform TLB invalidation on its

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own, no need to call pmap_invalidate_range() one more time.

Noted by:	alc
MFC after:	1 week
This commit is contained in:
kib 2013-07-27 16:42:29 +00:00
parent 9a288b99ed
commit ece824c2dc
1 changed files with 0 additions and 10 deletions
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10
sys/dev/drm2/i915/intel_ringbuffer.c
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@ -365,8 +365,6 @@ init_pipe_control(struct intel_ring_buffer *ring)
if (pc->cpu_page == NULL)
goto err_unpin;
pmap_qenter((uintptr_t)pc->cpu_page, &obj->pages[0], 1);
pmap_invalidate_range(kernel_pmap, (vm_offset_t)pc->cpu_page,
(vm_offset_t)pc->cpu_page + PAGE_SIZE);
pmap_invalidate_cache_range((vm_offset_t)pc->cpu_page,
(vm_offset_t)pc->cpu_page + PAGE_SIZE);
@ -394,8 +392,6 @@ cleanup_pipe_control(struct intel_ring_buffer *ring)
obj = pc->obj;
pmap_qremove((vm_offset_t)pc->cpu_page, 1);
pmap_invalidate_range(kernel_pmap, (vm_offset_t)pc->cpu_page,
(vm_offset_t)pc->cpu_page + PAGE_SIZE);
kmem_free(kernel_map, (uintptr_t)pc->cpu_page, PAGE_SIZE);
i915_gem_object_unpin(obj);
drm_gem_object_unreference(&obj->base);
@ -972,9 +968,6 @@ static void cleanup_status_page(struct intel_ring_buffer *ring)
return;
pmap_qremove((vm_offset_t)ring->status_page.page_addr, 1);
pmap_invalidate_range(kernel_pmap,
(vm_offset_t)ring->status_page.page_addr,
(vm_offset_t)ring->status_page.page_addr + PAGE_SIZE);
kmem_free(kernel_map, (vm_offset_t)ring->status_page.page_addr,
PAGE_SIZE);
i915_gem_object_unpin(obj);
@ -1014,9 +1007,6 @@ static int init_status_page(struct intel_ring_buffer *ring)
}
pmap_qenter((vm_offset_t)ring->status_page.page_addr, &obj->pages[0],
1);
pmap_invalidate_range(kernel_pmap,
(vm_offset_t)ring->status_page.page_addr,
(vm_offset_t)ring->status_page.page_addr + PAGE_SIZE);
pmap_invalidate_cache_range((vm_offset_t)ring->status_page.page_addr,
(vm_offset_t)ring->status_page.page_addr + PAGE_SIZE);
ring->status_page.obj = obj;