qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2025-04-21 12:27:27 +03:00
Code Activity

omap24xx: add support for 3.3

Browse Source 
Compile tested only.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31810 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2012-05-18 20:22:32 +00:00
parent 71f3abe21d
commit 2d3a55136a
25 changed files with 13517 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
target/linux/omap24xx/patches-3.3/309-omapfb-circular-mutex-workaround.patch Normal file
View File

@@ -0,0 +1,41 @@
--- a/drivers/video/omap/omapfb_main.c
+++ b/drivers/video/omap/omapfb_main.c
@@ -420,10 +420,10 @@ static void set_fb_fix(struct fb_info *f
fbi->screen_base = rg->vaddr;
if (!from_init) {
- mutex_lock(&fbi->mm_lock);
+ preempt_disable();
fix->smem_start = rg->paddr;
fix->smem_len = rg->size;
- mutex_unlock(&fbi->mm_lock);
+ preempt_enable();
} else {
fix->smem_start = rg->paddr;
fix->smem_len = rg->size;
@@ -933,10 +933,10 @@ static int omapfb_setup_mem(struct fb_in
* plane memory is dealloce'd, the other
* screen parameters in var / fix are invalid.
*/
- mutex_lock(&fbi->mm_lock);
+ preempt_disable();
fbi->fix.smem_start = 0;
fbi->fix.smem_len = 0;
- mutex_unlock(&fbi->mm_lock);
+ preempt_enable();
}
}
}
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1383,8 +1383,10 @@ fb_mmap(struct file *file, struct vm_are
}
/* frame buffer memory */
+ preempt_disable();
start = info->fix.smem_start;
len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.smem_len);
+ preempt_enable();
if (off >= len) {
/* memory mapped io */
off -= len;