diff options
| author | Guido Günther <agx@sigxcpu.org> | 2020-03-02 22:13:36 +0300 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2020-03-03 12:58:57 +0300 |
| commit | 78f2bfa3181cd7ee134274aa17177dd933c69dc1 (patch) | |
| tree | bd0a1eb8d3634748a8e28194a09f38a82ec8bde1 | |
| parent | 1a910c11d35bfacb68a3e650fbc087491e92661f (diff) | |
| download | linux-78f2bfa3181cd7ee134274aa17177dd933c69dc1.tar.xz | |
drm/etnaviv: Warn when GPU doesn't idle fast enough
If the GPU isn't idle after signalling pm_runtime_mark_last_busy() plus
waiting for the autosuspend delay there's likely something wrong with
the way we check idleness so warn about that.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 26fe34086a60..169db7cc0ec6 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -1839,8 +1839,11 @@ static int etnaviv_gpu_rpm_suspend(struct device *dev) mask = gpu->idle_mask & ~(VIVS_HI_IDLE_STATE_FE | VIVS_HI_IDLE_STATE_MC); idle = gpu_read(gpu, VIVS_HI_IDLE_STATE) & mask; - if (idle != mask) + if (idle != mask) { + dev_warn_ratelimited(dev, "GPU not yet idle, mask: 0x%08x\n", + idle); return -EBUSY; + } return etnaviv_gpu_hw_suspend(gpu); } |