evie/android_kernel_oneplus_msm8998
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Merge "msm: mdss: Fix race condition during mdp dump"

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Linux Build Service Account 2017-07-28 08:21:44 -07:00 • committed by Gerrit - the friendly Code Review server
commit 7aaa3c344e
1 changed files with 10 additions and 5 deletions
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15
drivers/video/fbdev/msm/mdss_mdp_debug.c
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@ -1863,12 +1863,14 @@ static void __print_buf(struct seq_file *s, struct mdss_mdp_data *buf,
seq_puts(s, "\n");
}
static void __dump_pipe(struct seq_file *s, struct mdss_mdp_pipe *pipe)
static void __dump_pipe(struct seq_file *s, struct mdss_mdp_pipe *pipe,
struct msm_fb_data_type *mfd)
{
struct mdss_mdp_data *buf;
int format;
int smps[4];
int i;
struct mdss_overlay_private *mdp5_data = mfd_to_mdp5_data(mfd);
seq_printf(s, "\nSSPP #%d type=%s ndx=%x flags=0x%16llx play_cnt=%u xin_id=%d\n",
pipe->num, mdss_mdp_pipetype2str(pipe->type),
@ -1923,11 +1925,14 @@ static void __dump_pipe(struct seq_file *s, struct mdss_mdp_pipe *pipe)
seq_puts(s, "Data:\n");
mutex_lock(&mdp5_data->list_lock);
list_for_each_entry(buf, &pipe->buf_queue, pipe_list)
__print_buf(s, buf, false);
mutex_unlock(&mdp5_data->list_lock);
}
static void __dump_mixer(struct seq_file *s, struct mdss_mdp_mixer *mixer)
static void __dump_mixer(struct seq_file *s, struct mdss_mdp_mixer *mixer,
struct msm_fb_data_type *mfd)
{
struct mdss_mdp_pipe *pipe;
int i, cnt = 0;
@ -1944,7 +1949,7 @@ static void __dump_mixer(struct seq_file *s, struct mdss_mdp_mixer *mixer)
for (i = 0; i < ARRAY_SIZE(mixer->stage_pipe); i++) {
pipe = mixer->stage_pipe[i];
if (pipe) {
__dump_pipe(s, pipe);
__dump_pipe(s, pipe, mfd);
cnt++;
}
}
@ -2019,8 +2024,8 @@ static void __dump_ctl(struct seq_file *s, struct mdss_mdp_ctl *ctl)
seq_printf(s, "Play Count=%u Underrun Count=%u\n",
ctl->play_cnt, ctl->underrun_cnt);
__dump_mixer(s, ctl->mixer_left);
__dump_mixer(s, ctl->mixer_right);
__dump_mixer(s, ctl->mixer_left, ctl->mfd);
__dump_mixer(s, ctl->mixer_right, ctl->mfd);
}
static int __dump_mdp(struct seq_file *s, struct mdss_data_type *mdata)