diff options
| author | Dave Airlie <airlied@redhat.com> | 2020-04-03 06:09:51 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-04-03 09:07:49 +1000 |
| commit | 0e7e6198af28c1573267aba1be33dd0b7fb35691 (patch) | |
| tree | ec51021f5684005c7d6358b81ab7de690a3834e0 /drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | |
| parent | 59e7a8cc2dcf335116d500d684bfb34d1d97a6fe (diff) | |
| parent | 9431042dbc8ce490d49c7f9d5142805b6249208b (diff) | |
| download | linux-0e7e6198af28c1573267aba1be33dd0b7fb35691.tar.bz2 | |
Merge branch 'ttm-transhuge' of git://people.freedesktop.org/~thomash/linux into drm-next
Huge page-table entries for TTM
In order to reduce CPU usage [1] and in theory TLB misses this patchset enables
huge- and giant page-table entries for TTM and TTM-enabled graphics drivers.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom (VMware) <thomas_os@shipmail.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200325073102.6129-1-thomas_os@shipmail.org
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 71e45b568511..c2247a893ed4 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1247,6 +1247,18 @@ 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) { @@ -1418,6 +1430,7 @@ 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 = { |