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disp: msm: sde: allow input fence status show only when kickoff in progress

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Allow input fence status read only when crtc kickoff is in
progress to avoid race between status read and fence destroy.

Change-Id: I3402bfcb38940628f09f645a3cee31f821daeae9
Signed-off-by: Andhavarapu Karthik <kartkart@codeaurora.org>
This commit is contained in:
Andhavarapu Karthik
2021-04-26 02:12:27 +05:30
committed by Nilaan Gunabalachandran
parent 75f3403326
commit 78b4029179
1 changed files with 4 additions and 0 deletions
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4
msm/sde/sde_crtc.c
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@@ -6562,6 +6562,9 @@ static int _sde_debugfs_fence_status_show(struct seq_file *s, void *data)
dev = crtc->dev; dev = crtc->dev;
cstate = to_sde_crtc_state(crtc->state); cstate = to_sde_crtc_state(crtc->state);
if (!sde_crtc->kickoff_in_progress)
goto skip_input_fence;
/* Dump input fence info */ /* Dump input fence info */
seq_puts(s, "===Input fence===\n"); seq_puts(s, "===Input fence===\n");
drm_atomic_crtc_for_each_plane(plane, crtc) { drm_atomic_crtc_for_each_plane(plane, crtc) {
@@ -6589,6 +6592,7 @@ static int _sde_debugfs_fence_status_show(struct seq_file *s, void *data)
} }
} }
skip_input_fence:
/* Dump release fence info */ /* Dump release fence info */
seq_puts(s, "\n"); seq_puts(s, "\n");
seq_puts(s, "===Release fence===\n"); seq_puts(s, "===Release fence===\n");