From: Sean Paul seanpaul@chromium.org
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 Signed-off-by: Sean Paul seanpaul@chromium.org --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 74ef384d9cd6a..03ddd281a354f 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);