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drm/vmwgfx: Hook up the helpers to align buffer objects 

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 <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Thomas Hellstrom (VMware) <thomas_os@shipmail.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Acked-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Thomas Hellstrom (VMware) 2020-03-24 18:50:35 +01:00
parent 7546f7ffdb
commit 9431042dbc
4 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/drm_file.c
View File

@ -1011,4 +1011,5 @@ unsigned long drm_get_unmapped_area(struct file *file,
return current->mm->get_unmapped_area(file, uaddr, len, pgoff, flags);
}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
EXPORT_SYMBOL_GPL(drm_get_unmapped_area);
#endif /* CONFIG_MMU */

13
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View File

@ -1230,6 +1230,18 @@ static void vmw_remove(struct pci_dev *pdev)
pci_disable_device(pdev);
}
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)
{
@ -1401,6 +1413,7 @@ 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 = {

1
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -915,6 +915,7 @@ 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
*/

2
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
View File

@ -749,7 +749,7 @@ 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 = &vmw_thp_func;
man->gpu_offset = 0;
man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_CACHED;