From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Sun, 11 Sep 2016 04:34:46 -0300
Subject: Linux-libre 4.7.1-gnu
---
drivers/gpu/drm/vgem/vgem_drv.c | 39 ++++++++++++---------------------------
1 file changed, 12 insertions(+), 27 deletions(-)
(limited to 'drivers/gpu/drm/vgem')
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index c503a840f..341f9be3d 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -89,7 +89,6 @@ int vgem_gem_get_pages(struct drm_vgem_gem_object *obj)
static int vgem_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct drm_vgem_gem_object *obj = vma->vm_private_data;
- struct drm_device *dev = obj->base.dev;
loff_t num_pages;
pgoff_t page_offset;
int ret;
@@ -103,12 +102,8 @@ static int vgem_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
if (page_offset > num_pages)
return VM_FAULT_SIGBUS;
- mutex_lock(&dev->struct_mutex);
-
ret = vm_insert_page(vma, (unsigned long)vmf->virtual_address,
obj->pages[page_offset]);
-
- mutex_unlock(&dev->struct_mutex);
switch (ret) {
case 0:
return VM_FAULT_NOPAGE;
@@ -154,6 +149,10 @@ static struct drm_gem_object *vgem_gem_create(struct drm_device *dev,
if (err)
goto out;
+ err = vgem_gem_get_pages(obj);
+ if (err)
+ goto out;
+
err = drm_gem_handle_create(file, gem_object, handle);
if (err)
goto handle_out;
@@ -201,37 +200,23 @@ int vgem_gem_dumb_map(struct drm_file *file, struct drm_device *dev,
int ret = 0;
struct drm_gem_object *obj;
- mutex_lock(&dev->struct_mutex);
- obj = drm_gem_object_lookup(dev, file, handle);
- if (!obj) {
- ret = -ENOENT;
- goto unlock;
- }
+ obj = drm_gem_object_lookup(file, handle);
+ if (!obj)
+ return -ENOENT;
- if (!drm_vma_node_has_offset(&obj->vma_node)) {
- ret = drm_gem_create_mmap_offset(obj);
- if (ret)
- goto unref;
- }
+ ret = drm_gem_create_mmap_offset(obj);
+ if (ret)
+ goto unref;
BUG_ON(!obj->filp);
obj->filp->private_data = obj;
- ret = vgem_gem_get_pages(to_vgem_bo(obj));
- if (ret)
- goto fail_get_pages;
-
*offset = drm_vma_node_offset_addr(&obj->vma_node);
- goto unref;
-
-fail_get_pages:
- drm_gem_free_mmap_offset(obj);
unref:
- drm_gem_object_unreference(obj);
-unlock:
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
+
return ret;
}
--
cgit v1.2.3-54-g00ecf