diff options
| author | Jeevan Shriram <jshriram@codeaurora.org> | 2014-10-20 21:40:26 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:35:20 -0700 |
| commit | f4f017792a23bcacba7ea27c56ea2afeaa59445a (patch) | |
| tree | 4f7735b98ced633a49be99fc3f0976591c22ccc6 /drivers/video | |
| parent | bec9f057737c659f4bff18815146c6c80cb4ac6d (diff) | |
msm: mdss: Align the shared memory length to PAGE_SIZE
It is possible that userspace modifies the frame buffer
parameters. In such cases ensure to align the frame
buffer size to avoid mmap failures.
Change-Id: I4a002694c26c8fface45d8e274d79d5624cc8158
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_fb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/fbdev/msm/mdss_fb.c b/drivers/video/fbdev/msm/mdss_fb.c index 3e981be432cc..796541f8864a 100644 --- a/drivers/video/fbdev/msm/mdss_fb.c +++ b/drivers/video/fbdev/msm/mdss_fb.c @@ -2888,8 +2888,8 @@ static int mdss_fb_set_par(struct fb_info *info) else mfd->fbi->fix.line_length = var->xres * var->bits_per_pixel / 8; - mfd->fbi->fix.smem_len = mfd->fbi->fix.line_length * - mfd->fbi->var.yres_virtual; + mfd->fbi->fix.smem_len = PAGE_ALIGN(mfd->fbi->fix.line_length * + mfd->fbi->var.yres) * mfd->fb_page; if (mfd->panel_reconfig || (mfd->fb_imgType != old_imgType)) { mdss_fb_blank_sub(FB_BLANK_POWERDOWN, info, mfd->op_enable); |