From: Thomas Hellstrom <thellst...@vmware.com>

Start using the helpers that align buffer object user-space addresses and
buffer object vram addresses to huge page boundaries.
This is to improve the chances of allowing huge page-table entries.

Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Michal Hocko <mho...@suse.com>
Cc: "Matthew Wilcox (Oracle)" <wi...@infradead.org>
Cc: "Kirill A. Shutemov" <kirill.shute...@linux.intel.com>
Cc: Ralph Campbell <rcampb...@nvidia.com>
Cc: "Jérôme Glisse" <jgli...@redhat.com>
Cc: "Christian König" <christian.koe...@amd.com>
Signed-off-by: Thomas Hellstrom <thellst...@vmware.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c        | 13 +++++++++++++
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h        |  1 +
 drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c |  2 +-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index e962048f65d2..5452cabb4a2e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1215,6 +1215,18 @@ static void vmw_remove(struct pci_dev *pdev)
        drm_put_dev(dev);
 }
 
+static unsigned long
+vmw_get_unmapped_area(struct file *file, unsigned long uaddr,
+                     unsigned long len, unsigned long pgoff,
+                     unsigned long flags)
+{
+       struct drm_file *file_priv = file->private_data;
+       struct vmw_private *dev_priv = vmw_priv(file_priv->minor->dev);
+
+       return drm_get_unmapped_area(file, uaddr, len, pgoff, flags,
+                                    &dev_priv->vma_manager);
+}
+
 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
                              void *ptr)
 {
@@ -1386,6 +1398,7 @@ static const struct file_operations vmwgfx_driver_fops = {
        .compat_ioctl = vmw_compat_ioctl,
 #endif
        .llseek = noop_llseek,
+       .get_unmapped_area = vmw_get_unmapped_area,
 };
 
 static struct drm_driver driver = {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h 
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 8656a97448c3..9b3a5d940024 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -929,6 +929,7 @@ extern int vmw_mmap(struct file *filp, struct 
vm_area_struct *vma);
 
 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv,
                                        size_t gran);
+
 /**
  * TTM buffer object driver - vmwgfx_ttm_buffer.c
  */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index d8ea3dd10af0..c319fe0ca912 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -754,7 +754,7 @@ static int vmw_init_mem_type(struct ttm_bo_device *bdev, 
uint32_t type,
                break;
        case TTM_PL_VRAM:
                /* "On-card" video ram */
-               man->func = &ttm_bo_manager_func;
+               man->func = &ttm_bo_manager_huge_func;
                man->gpu_offset = 0;
                man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE;
                man->available_caching = TTM_PL_FLAG_CACHED;
-- 
2.21.0

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