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Subject[PATCH v1 3/3] msm: skip the atomic commit of self refresh while PSR running
Date
In certain CPU stress conditions, there can be a delay in scheduling commit
work and it was observed that PSR commit from a different work queue was 
scheduled. Avoid these commits as display is already in PSR mode.

Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
---
drivers/gpu/drm/msm/msm_atomic.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
index 645fe53..f8141bb 100644
--- a/drivers/gpu/drm/msm/msm_atomic.c
+++ b/drivers/gpu/drm/msm/msm_atomic.c
@@ -192,6 +192,9 @@ int msm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state)
new_crtc_state->mode_changed = true;
state->allow_modeset = true;
}
+
+ if (old_crtc_state->self_refresh_active && new_crtc_state->self_refresh_active)
+ return -EINVAL;
}

return drm_atomic_helper_check(dev, state);
--
2.7.4
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