diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 50cc3c2cef06..1da1f52d12cc 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -35,6 +35,7 @@ #include "intel_drv.h" #include "intel_frontbuffer.h" #include "intel_mocs.h" +#include "i915_gemfs.h" #include <linux/dma-fence-array.h> #include <linux/kthread.h> #include <linux/reservation.h> @@ -4256,6 +4257,30 @@ static const struct drm_i915_gem_object_ops i915_gem_object_ops = { .pwrite = i915_gem_object_pwrite_gtt, }; +static int i915_gem_object_create_shmem(struct drm_device *dev, + struct drm_gem_object *obj, + size_t size) +{ + struct drm_i915_private *i915 = to_i915(dev); + unsigned long flags = VM_NORESERVE; + struct file *filp; + + drm_gem_private_object_init(dev, obj, size); + + if (i915->mm.gemfs) + filp = shmem_file_setup_with_mnt(i915->mm.gemfs, "i915", size, + flags); + else + filp = shmem_file_setup("i915", size, flags); + + if (IS_ERR(filp)) + return PTR_ERR(filp); + + obj->filp = filp; + + return 0; +} + struct drm_i915_gem_object * i915_gem_object_create(struct drm_i915_private *dev_priv, u64 size) { @@ -4280,7 +4305,7 @@ i915_gem_object_create(struct drm_i915_private *dev_priv, u64 size) if (obj == NULL) return ERR_PTR(-ENOMEM); - ret = drm_gem_object_init(&dev_priv->drm, &obj->base, size); + ret = i915_gem_object_create_shmem(&dev_priv->drm, &obj->base, size); if (ret) goto fail; @@ -4919,6 +4944,10 @@ i915_gem_load_init(struct drm_i915_private *dev_priv) spin_lock_init(&dev_priv->fb_tracking.lock); + err = i915_gemfs_init(dev_priv); + if (err) + DRM_NOTE("Unable to create a private tmpfs mount, hugepage support will be disabled(%d).\n", err); + return 0; err_priorities: @@ -4957,6 +4986,8 @@ void i915_gem_load_cleanup(struct drm_i915_private *dev_priv) /* And ensure that our DESTROY_BY_RCU slabs are truly destroyed */ rcu_barrier(); + + i915_gemfs_fini(dev_priv); } int i915_gem_freeze(struct drm_i915_private *dev_priv) |