diff options
| author | Sean Paul <seanpaul@chromium.org> | 2018-11-30 17:00:02 -0500 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2018-12-11 13:10:12 -0500 |
| commit | f449aa6e447c321585dbb97178fedac7183bc2f3 (patch) | |
| tree | a68a2647aad92be0f1ac78876d51563f34590c39 /drivers/gpu/drm/msm | |
| parent | b01c2399226c294fe9b22d26ce0ebf1707acb8d9 (diff) | |
| download | linux-f449aa6e447c321585dbb97178fedac7183bc2f3.tar.bz2 | |
drm/msm: dpu: Grab the modeset locks in frame_event
This patch wraps dpu_core_perf_crtc_release_bw() with modeset locks
since it digs into the state objects.
Changes in v2:
- None
Changes in v3:
- Use those nifty new DRM_MODESET_LOCK_ALL_* helpers (Daniel)
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Jeykumar Sankaran <jsanka@codeaurora.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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 | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 6da2492e6511..8881f88391b0 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -306,6 +306,19 @@ static void dpu_crtc_vblank_cb(void *data) trace_dpu_crtc_vblank_cb(DRMID(crtc)); } +static void dpu_crtc_release_bw_unlocked(struct drm_crtc *crtc) +{ + int ret = 0; + struct drm_modeset_acquire_ctx ctx; + + DRM_MODESET_LOCK_ALL_BEGIN(crtc->dev, ctx, 0, ret); + dpu_core_perf_crtc_release_bw(crtc); + DRM_MODESET_LOCK_ALL_END(ctx, ret); + if (ret) + DRM_ERROR("Failed to acquire modeset locks to release bw, %d\n", + ret); +} + static void dpu_crtc_frame_event_work(struct kthread_work *work) { struct dpu_crtc_frame_event *fevent = container_of(work, @@ -335,7 +348,7 @@ static void dpu_crtc_frame_event_work(struct kthread_work *work) /* release bandwidth and other resources */ trace_dpu_crtc_frame_event_done(DRMID(crtc), fevent->event); - dpu_core_perf_crtc_release_bw(crtc); + dpu_crtc_release_bw_unlocked(crtc); } else { trace_dpu_crtc_frame_event_more_pending(DRMID(crtc), fevent->event); |