diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-10-19 11:11:46 +0100 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2016-10-20 17:31:34 +0800 |
| commit | a28615041ea2d1645143b868cd5ea65e9cf28381 (patch) | |
| tree | f2e8ebf87ec903b7709a9578c7628b7fae8e3688 /drivers/gpu/drm/i915/gvt/cmd_parser.c | |
| parent | bcd0aeded478f1ed6dfbbeafc3e2581c4021a99c (diff) | |
| download | linux-a28615041ea2d1645143b868cd5ea65e9cf28381.tar.bz2 | |
drm/i915/gvt: Use common mapping routines for shadow_bb object
We have the ability to map an object, so use it rather than opencode it
badly. Note that the object remains permanently pinned, this is poor
practise.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/cmd_parser.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 153943a9411e..ff719e77a594 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -1650,18 +1650,10 @@ static int perform_bb_shadow(struct parser_exec_state *s) entry_obj->len = bb_size; INIT_LIST_HEAD(&entry_obj->list); - ret = i915_gem_object_get_pages(entry_obj->obj); - if (ret) + dst = i915_gem_object_pin_map(entry_obj->obj, I915_MAP_WB); + if (IS_ERR(dst)) { + ret = PTR_ERR(dst); goto put_obj; - - i915_gem_object_pin_pages(entry_obj->obj); - - /* get the va of the shadow batch buffer */ - dst = (void *)vmap_batch(entry_obj->obj, 0, bb_size); - if (!dst) { - gvt_err("failed to vmap shadow batch\n"); - ret = -ENOMEM; - goto unpin_src; } ret = i915_gem_object_set_to_cpu_domain(entry_obj->obj, false); @@ -1675,7 +1667,8 @@ static int perform_bb_shadow(struct parser_exec_state *s) /* copy batch buffer to shadow batch buffer*/ ret = copy_gma_to_hva(s->vgpu, s->vgpu->gtt.ggtt_mm, - gma, gma + bb_size, dst); + gma, gma + bb_size, + dst); if (ret) { gvt_err("fail to copy guest ring buffer\n"); goto unmap_src; @@ -1696,9 +1689,7 @@ static int perform_bb_shadow(struct parser_exec_state *s) return 0; unmap_src: - vunmap(dst); -unpin_src: - i915_gem_object_unpin_pages(entry_obj->obj); + i915_gem_object_unpin_map(entry_obj->obj); put_obj: i915_gem_object_put(entry_obj->obj); free_entry: |