diff options
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/fbmem.c | 39 | ||||
-rw-r--r-- | drivers/video/fbmon.c | 2 | ||||
-rw-r--r-- | drivers/video/mmp/core.c | 2 | ||||
-rw-r--r-- | drivers/video/sh_mobile_lcdcfb.c | 1 | ||||
-rw-r--r-- | drivers/video/uvesafb.c | 3 |
5 files changed, 18 insertions, 29 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 7c254084b6a0..86291dcd964a 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1373,15 +1373,12 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) { struct fb_info *info = file_fb_info(file); struct fb_ops *fb; - unsigned long off; + unsigned long mmio_pgoff; unsigned long start; u32 len; if (!info) return -ENODEV; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - off = vma->vm_pgoff << PAGE_SHIFT; fb = info->fbops; if (!fb) return -ENODEV; @@ -1393,32 +1390,24 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) return res; } - /* frame buffer memory */ + /* + * Ugh. This can be either the frame buffer mapping, or + * if pgoff points past it, the mmio mapping. + */ start = info->fix.smem_start; - len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.smem_len); - if (off >= len) { - /* memory mapped io */ - off -= len; - if (info->var.accel_flags) { - mutex_unlock(&info->mm_lock); - return -EINVAL; - } + len = info->fix.smem_len; + mmio_pgoff = PAGE_ALIGN((start & ~PAGE_MASK) + len) >> PAGE_SHIFT; + if (vma->vm_pgoff >= mmio_pgoff) { + vma->vm_pgoff -= mmio_pgoff; start = info->fix.mmio_start; - len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.mmio_len); + len = info->fix.mmio_len; } mutex_unlock(&info->mm_lock); - start &= PAGE_MASK; - if ((vma->vm_end - vma->vm_start + off) > len) - return -EINVAL; - off += start; - vma->vm_pgoff = off >> PAGE_SHIFT; - /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by io_remap_pfn_range()*/ + vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - fb_pgprotect(file, vma, off); - if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) - return -EAGAIN; - return 0; + fb_pgprotect(file, vma, start); + + return vm_iomap_memory(vma, start, len); } static int diff --git a/drivers/video/fbmon.c b/drivers/video/fbmon.c index 94ad0f71383c..7f6709991a5c 100644 --- a/drivers/video/fbmon.c +++ b/drivers/video/fbmon.c @@ -1400,7 +1400,7 @@ int fb_videomode_from_videomode(const struct videomode *vm, fbmode->vmode = 0; if (vm->dmt_flags & VESA_DMT_HSYNC_HIGH) fbmode->sync |= FB_SYNC_HOR_HIGH_ACT; - if (vm->dmt_flags & VESA_DMT_HSYNC_HIGH) + if (vm->dmt_flags & VESA_DMT_VSYNC_HIGH) fbmode->sync |= FB_SYNC_VERT_HIGH_ACT; if (vm->data_flags & DISPLAY_FLAGS_INTERLACED) fbmode->vmode |= FB_VMODE_INTERLACED; diff --git a/drivers/video/mmp/core.c b/drivers/video/mmp/core.c index 9ed83419038b..84de2632857a 100644 --- a/drivers/video/mmp/core.c +++ b/drivers/video/mmp/core.c @@ -252,7 +252,5 @@ void mmp_unregister_path(struct mmp_path *path) kfree(path); mutex_unlock(&disp_lock); - - dev_info(path->dev, "de-register %s\n", path->name); } EXPORT_SYMBOL_GPL(mmp_unregister_path); diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index 63203acef812..0264704a52be 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -858,6 +858,7 @@ static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch) tmp = ((mode->xres & 7) << 24) | ((display_h_total & 7) << 16) | ((mode->hsync_len & 7) << 8) | (hsync_pos & 7); lcdc_write_chan(ch, LDHAJR, tmp); + lcdc_write_chan_mirror(ch, LDHAJR, tmp); } static void sh_mobile_lcdc_overlay_setup(struct sh_mobile_lcdc_overlay *ovl) diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index b75db0186488..d4284458377e 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -1973,7 +1973,8 @@ static int uvesafb_init(void) err = -ENOMEM; if (err) { - platform_device_put(uvesafb_device); + if (uvesafb_device) + platform_device_put(uvesafb_device); platform_driver_unregister(&uvesafb_driver); cn_del_callback(&uvesafb_cn_id); return err; |