drm/i915: Don't pin the object pages during pending vma binds

A pin-count is already held by vma->pages so taking an additional pin
during async binds is not necessary.

When we introduce async unbinding we have other means of keeping the
object pages alive.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220110172219.107131-4-thomas.hellstrom@linux.intel.com

diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 4884264..9f00dfa 100644 (file)
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -305,10 +305,8 @@ static void __vma_release(struct dma_fence_work *work)
 {
        struct i915_vma_work *vw = container_of(work, typeof(*vw), base);
 
-       if (vw->pinned) {
-               __i915_gem_object_unpin_pages(vw->pinned);
+       if (vw->pinned)
                i915_gem_object_put(vw->pinned);
-       }
 
        i915_vm_free_pt_stash(vw->vm, &vw->stash);
        i915_vm_put(vw->vm);
@@ -477,7 +475,6 @@ int i915_vma_bind(struct i915_vma *vma,
 
                work->base.dma.error = 0; /* enable the queue_work() */
 
-               __i915_gem_object_pin_pages(vma->obj);
                work->pinned = i915_gem_object_get(vma->obj);
        } else {
                if (vma->obj) {