diff options
| author | Dmitry Vyukov <[email protected]> | 2021-03-20 14:28:40 +0100 |
|---|---|---|
| committer | Melissa Wen <[email protected]> | 2021-03-25 08:23:28 -0300 |
| commit | b4142fc4d52d051d4d8df1fb6c569e5b445d369e (patch) | |
| tree | 13f8400a59a1939fd232387e82561be14359aa50 | |
| parent | a1f091f8ef2b680a5184db065527612247cb4cae (diff) | |
drm/vkms: fix misuse of WARN_ON
vkms_vblank_simulate() uses WARN_ON for timing-dependent condition
(timer overrun). This is a mis-use of WARN_ON, WARN_ON must be used
to denote kernel bugs. Use pr_warn() instead.
Signed-off-by: Dmitry Vyukov <[email protected]>
Reported-by: [email protected]
Cc: Rodrigo Siqueira <[email protected]>
Cc: Melissa Wen <[email protected]>
Cc: Haneen Mohammed <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: David Airlie <[email protected]>
Cc: [email protected]
Cc: [email protected]
Acked-by: Melissa Wen <[email protected]>
Signed-off-by: Melissa Wen <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_crtc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c index 6164349cdf11..57bbd32e9beb 100644 --- a/drivers/gpu/drm/vkms/vkms_crtc.c +++ b/drivers/gpu/drm/vkms/vkms_crtc.c @@ -22,7 +22,8 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer) ret_overrun = hrtimer_forward_now(&output->vblank_hrtimer, output->period_ns); - WARN_ON(ret_overrun != 1); + if (ret_overrun != 1) + pr_warn("%s: vblank timer overrun\n", __func__); spin_lock(&output->lock); ret = drm_crtc_handle_vblank(crtc); |