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osd: osd_mmap no more locks to release [1/1]

Browse Source 
PD#SWPL-11768

Problem:
release one more mutex in osd_mmap

Solution:
remove mutex release in osd_mmap

Verify:
Verfied on p212

Change-Id: I139b80590740717ced321171ee665d0f6c0cd83f
Signed-off-by: Cao Jian <jian.cao@amlogic.com>
This commit is contained in:
Cao Jian
2019-07-26 17:46:04 +08:00
committed by Tao Zeng
parent 9c779fb7d5
commit 602b5bf65b
2 changed files with 0 additions and 4 deletions
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2
drivers/amlogic/media/osd/osd_fb.c
View File

@@ -1543,7 +1543,6 @@ static int osd_mmap(struct fb_info *info, struct vm_area_struct *vma)
mmio_pgoff = PAGE_ALIGN((start & ~PAGE_MASK) + len) >> PAGE_SHIFT;
if (vma->vm_pgoff >= mmio_pgoff) {
if (info->var.accel_flags) {
mutex_unlock(&info->mm_lock);
return -EINVAL;
}
@@ -1551,7 +1550,6 @@ static int osd_mmap(struct fb_info *info, struct vm_area_struct *vma)
start = info->fix.mmio_start;
len = info->fix.mmio_len;
}
mutex_unlock(&info->mm_lock);
vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);

2
drivers/amlogic/media/osd/osd_virtual.c
View File

@@ -612,7 +612,6 @@ static int virt_osd_mmap(struct fb_info *info, struct vm_area_struct *vma)
mmio_pgoff = PAGE_ALIGN((start & ~PAGE_MASK) + len) >> PAGE_SHIFT;
if (vma->vm_pgoff >= mmio_pgoff) {
if (info->var.accel_flags) {
mutex_unlock(&info->mm_lock);
return -EINVAL;
}
@@ -620,7 +619,6 @@ static int virt_osd_mmap(struct fb_info *info, struct vm_area_struct *vma)
start = info->fix.mmio_start;
len = info->fix.mmio_len;
}
mutex_unlock(&info->mm_lock);
vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);