drm/i915/gvt: Refine ggtt_set_shadow_entry

Less code and use existed helper ggtt_set_host_entry.

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

1 files changed, 8 insertions, 11 deletions

diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 862fac5345c3..82454fb1d566 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -2421,26 +2421,23 @@ void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu)
 {
         struct intel_gvt *gvt = vgpu->gvt;
         struct drm_i915_private *dev_priv = gvt->dev_priv;
-        struct intel_gvt_gtt_pte_ops *ops = vgpu->gvt->gtt.pte_ops;
+        struct intel_gvt_gtt_pte_ops *pte_ops = vgpu->gvt->gtt.pte_ops;
+        struct intel_gvt_gtt_entry entry = {.type = GTT_TYPE_GGTT_PTE};
         u32 index;
-        u32 offset;
         u32 num_entries;
-        struct intel_gvt_gtt_entry e;
 
-        memset(&e, 0, sizeof(struct intel_gvt_gtt_entry));
-        e.type = GTT_TYPE_GGTT_PTE;
-        ops->set_pfn(&e, gvt->gtt.scratch_mfn);
-        e.val64 |= _PAGE_PRESENT;
+        pte_ops->set_pfn(&entry, gvt->gtt.scratch_mfn);
+        pte_ops->set_present(&entry);
 
         index = vgpu_aperture_gmadr_base(vgpu) >> PAGE_SHIFT;
         num_entries = vgpu_aperture_sz(vgpu) >> PAGE_SHIFT;
-        for (offset = 0; offset < num_entries; offset++)
-                ops->set_entry(NULL, &e, index + offset, false, 0, vgpu);
+        while (num_entries--)
+                ggtt_set_host_entry(vgpu->gtt.ggtt_mm, &entry, index++);
 
         index = vgpu_hidden_gmadr_base(vgpu) >> PAGE_SHIFT;
         num_entries = vgpu_hidden_sz(vgpu) >> PAGE_SHIFT;
-        for (offset = 0; offset < num_entries; offset++)
-                ops->set_entry(NULL, &e, index + offset, false, 0, vgpu);
+        while (num_entries--)
+                ggtt_set_host_entry(vgpu->gtt.ggtt_mm, &entry, index++);
 
         gtt_invalidate(dev_priv);
 }