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[0132/1094] drm/i915: VM eviction only targets address space not physical pages

Message ID 1413889294-31328-133-git-send-email-dheerajx.s.jamwal@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dheeraj Jamwal Oct. 21, 2014, 10:45 a.m. UTC 
From: Chris Wilson <chris@chris-wilson.co.uk>

During eviction, we are only considering how to free up space within the
current address space and not concerned with freeing up physical memory.
As such we need only skip nodes that pinned in the current VM and not
globally.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 3036537dbfeaa9940bad7cbdab6671576e1dff69)

Signed-off-by: Dheeraj Jamwal <dheerajx.s.jamwal@intel.com>
---
 drivers/gpu/drm/i915/i915_gem_evict.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 4e82ca4..50e7e3a 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -36,8 +36,7 @@ 
 static bool
 mark_free(struct i915_vma *vma, struct list_head *unwind)
 {
-	/* Freeing up memory requires no VMAs are pinned */
-	if (i915_gem_obj_is_pinned(vma->obj))
+	if (vma->pin_count)
 		return false;
 
 	if (WARN_ON(!list_empty(&vma->exec_list)))