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| author | Rob Clark <robdclark@gmail.com> | 2017-09-15 17:46:45 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2017-10-28 20:59:18 +0300 |
| commit | 998b9a588314faa334dd0f94007e1c685bf664dd (patch) | |
| tree | 1a19ede70bb4d727655f62299d526245b50254a6 /drivers/gpu/drm/msm/msm_rd.c | |
| parent | 2165e2b9cba277a5088c2e771af477e95dcc37bf (diff) | |
| download | linux-998b9a588314faa334dd0f94007e1c685bf664dd.tar.xz | |
drm/msm/rd: allow adding addition msg to top of dump
For faults or hangs, it is nice to be able to include a bit more
information.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_rd.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_rd.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c index 0fac6ea5f906..96d678b582d9 100644 --- a/drivers/gpu/drm/msm/msm_rd.c +++ b/drivers/gpu/drm/msm/msm_rd.c @@ -338,11 +338,12 @@ static void snapshot_buf(struct msm_rd_state *rd, } /* called under struct_mutex */ -void msm_rd_dump_submit(struct msm_rd_state *rd, struct msm_gem_submit *submit) +void msm_rd_dump_submit(struct msm_rd_state *rd, struct msm_gem_submit *submit, + const char *fmt, ...) { struct drm_device *dev = submit->dev; struct task_struct *task; - char msg[128]; + char msg[256]; int i, n; if (!rd->open) @@ -353,6 +354,16 @@ void msm_rd_dump_submit(struct msm_rd_state *rd, struct msm_gem_submit *submit) */ WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + if (fmt) { + va_list args; + + va_start(args, fmt); + n = vsnprintf(msg, sizeof(msg), fmt, args); + va_end(args); + + rd_write_section(rd, RD_CMD, msg, ALIGN(n, 4)); + } + rcu_read_lock(); task = pid_task(submit->pid, PIDTYPE_PID); if (task) { |