diff options
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_fb.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mdss_fb.c b/drivers/video/fbdev/msm/mdss_fb.c index ba31fd39e917..85c347251aa1 100644 --- a/drivers/video/fbdev/msm/mdss_fb.c +++ b/drivers/video/fbdev/msm/mdss_fb.c @@ -1206,6 +1206,8 @@ static int mdss_fb_release_all(struct fb_info *info, bool release_all) struct mdss_fb_proc_info *pinfo = NULL, *temp_pinfo = NULL; int ret = 0; int pid = current->tgid; + bool unknown_pid = true; + struct task_struct *task; if (!mfd->ref_cnt) { pr_info("try to close unopened fb %d!\n", mfd->index); @@ -1220,6 +1222,7 @@ static int mdss_fb_release_all(struct fb_info *info, bool release_all) if (!release_all && (pinfo->pid != pid)) continue; + unknown_pid = false; pr_debug("found process entry pid=%d ref=%d\n", pinfo->pid, pinfo->ref_cnt); @@ -1245,6 +1248,20 @@ static int mdss_fb_release_all(struct fb_info *info, bool release_all) } } + if (unknown_pid) { + task = current->group_leader; + pr_debug("unknown process %s pid=%d mfd->ref_cnt=%d\n", + task->comm, pid, mfd->ref_cnt); + + mfd->ref_cnt--; + if (mfd->mdp.release_fnc) { + ret = mfd->mdp.release_fnc(mfd); + if (ret) + pr_err("error releasing fb%d pid=%d\n", + mfd->index, pinfo->pid); + } + } + if (!mfd->ref_cnt) { ret = mdss_fb_blank_sub(FB_BLANK_POWERDOWN, info, mfd->op_enable); |