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authorDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:54 -0700
committerDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:54 -0700
commit9134d02bc0af4a8747d448d1f811ec5f8eb96df6 (patch)
tree704c3e5dcc10f360815c4868a74711f82fb62e27 /drivers/video/fsl-diu-fb.c
parentbbb20089a3275a19e475dbc21320c3742e3ca423 (diff)
parent80ffb3cceaefa405f2ecd46d66500ed8d53efe74 (diff)
downloadop-kernel-dev-9134d02bc0af4a8747d448d1f811ec5f8eb96df6.zip
op-kernel-dev-9134d02bc0af4a8747d448d1f811ec5f8eb96df6.tar.gz
Merge commit 'md/for-linus' into async-tx-next
Conflicts: drivers/md/raid5.c
Diffstat (limited to 'drivers/video/fsl-diu-fb.c')
-rw-r--r--drivers/video/fsl-diu-fb.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index f153c58..72d68b3 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -750,24 +750,26 @@ static void update_lcdc(struct fb_info *info)
static int map_video_memory(struct fb_info *info)
{
phys_addr_t phys;
+ u32 smem_len = info->fix.line_length * info->var.yres_virtual;
pr_debug("info->var.xres_virtual = %d\n", info->var.xres_virtual);
pr_debug("info->var.yres_virtual = %d\n", info->var.yres_virtual);
pr_debug("info->fix.line_length = %d\n", info->fix.line_length);
+ pr_debug("MAP_VIDEO_MEMORY: smem_len = %u\n", smem_len);
- info->fix.smem_len = info->fix.line_length * info->var.yres_virtual;
- pr_debug("MAP_VIDEO_MEMORY: smem_len = %d\n", info->fix.smem_len);
- info->screen_base = fsl_diu_alloc(info->fix.smem_len, &phys);
+ info->screen_base = fsl_diu_alloc(smem_len, &phys);
if (info->screen_base == NULL) {
printk(KERN_ERR "Unable to allocate fb memory\n");
return -ENOMEM;
}
+ mutex_lock(&info->mm_lock);
info->fix.smem_start = (unsigned long) phys;
+ info->fix.smem_len = smem_len;
+ mutex_unlock(&info->mm_lock);
info->screen_size = info->fix.smem_len;
pr_debug("Allocated fb @ paddr=0x%08lx, size=%d.\n",
- info->fix.smem_start,
- info->fix.smem_len);
+ info->fix.smem_start, info->fix.smem_len);
pr_debug("screen base %p\n", info->screen_base);
return 0;
@@ -776,9 +778,11 @@ static int map_video_memory(struct fb_info *info)
static void unmap_video_memory(struct fb_info *info)
{
fsl_diu_free(info->screen_base, info->fix.smem_len);
+ mutex_lock(&info->mm_lock);
info->screen_base = NULL;
info->fix.smem_start = 0;
info->fix.smem_len = 0;
+ mutex_unlock(&info->mm_lock);
}
/*
@@ -1219,12 +1223,6 @@ static int __devinit install_fb(struct fb_info *info)
return -EINVAL;
}
- if (fsl_diu_set_par(info)) {
- printk(KERN_ERR "fb_set_par failed");
- fb_dealloc_cmap(&info->cmap);
- return -EINVAL;
- }
-
if (register_framebuffer(info) < 0) {
printk(KERN_ERR "register_framebuffer failed");
unmap_video_memory(info);
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