diff options
| author | Sean Paul <seanpaul@chromium.org> | 2018-11-16 13:42:23 -0500 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2018-12-11 13:10:12 -0500 |
| commit | b01c2399226c294fe9b22d26ce0ebf1707acb8d9 (patch) | |
| tree | 5d37eb1fd830b09d9694e0fd5b7ddb9b2b14ce6e /drivers/gpu/drm/msm | |
| parent | 18a63b3c6f0b6247f93f5eb05353b0486512017e (diff) | |
| download | linux-b01c2399226c294fe9b22d26ce0ebf1707acb8d9.tar.bz2 | |
drm/msm: dpu: Don't drop locks in crtc_vblank_enable
Now that runtime resume is handled in encoder, we don't need to worry
about crtc_lock recursion when calling pm_runtime_(get|put). So drop the
lock drops in _dpu_crtc_vblank_enable_no_lock().
Changes in v2:
- None
Reviewed-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 44bd3b853b2c..6da2492e6511 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -781,10 +781,7 @@ static void _dpu_crtc_vblank_enable_no_lock( struct drm_encoder *enc; if (enable) { - /* drop lock since power crtc cb may try to re-acquire lock */ - mutex_unlock(&dpu_crtc->crtc_lock); pm_runtime_get_sync(dev->dev); - mutex_lock(&dpu_crtc->crtc_lock); list_for_each_entry(enc, &dev->mode_config.encoder_list, head) { if (enc->crtc != crtc) @@ -809,10 +806,7 @@ static void _dpu_crtc_vblank_enable_no_lock( dpu_encoder_register_vblank_callback(enc, NULL, NULL); } - /* drop lock since power crtc cb may try to re-acquire lock */ - mutex_unlock(&dpu_crtc->crtc_lock); pm_runtime_put_sync(dev->dev); - mutex_lock(&dpu_crtc->crtc_lock); } } |