diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-11-28 00:54:01 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-12-03 03:13:06 +0300 |
| commit | c6721b3c6423d8a348ae885a0f4c85e14f9bf85c (patch) | |
| tree | 3994c36879ef77920a771911280f87fb10cc3943 /drivers/gpu/drm/msm/disp/mdp4 | |
| parent | 1cd83dfe9a584a0db2f9a7dc617d710123169feb (diff) | |
| download | linux-c6721b3c6423d8a348ae885a0f4c85e14f9bf85c.tar.xz | |
drm/msm/mdp4: flush vblank event on disable
Flush queued events when disabling the crtc. This avoids timeouts when
we come back and wait for dependencies (like the previous frame's
flip_done).
Fixes: c8afe684c95c ("drm/msm: basic KMS driver for snapdragon")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/569127/
Link: https://lore.kernel.org/r/20231127215401.4064128-1-dmitry.baryshkov@linaro.org
Diffstat (limited to 'drivers/gpu/drm/msm/disp/mdp4')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c index 5e5c31b44a8a..75f93e346282 100644 --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c @@ -260,6 +260,7 @@ static void mdp4_crtc_atomic_disable(struct drm_crtc *crtc, { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct mdp4_kms *mdp4_kms = get_kms(crtc); + unsigned long flags; DBG("%s", mdp4_crtc->name); @@ -272,6 +273,14 @@ static void mdp4_crtc_atomic_disable(struct drm_crtc *crtc, mdp_irq_unregister(&mdp4_kms->base, &mdp4_crtc->err); mdp4_disable(mdp4_kms); + if (crtc->state->event && !crtc->state->active) { + WARN_ON(mdp4_crtc->event); + spin_lock_irqsave(&mdp4_kms->dev->event_lock, flags); + drm_crtc_send_vblank_event(crtc, crtc->state->event); + crtc->state->event = NULL; + spin_unlock_irqrestore(&mdp4_kms->dev->event_lock, flags); + } + mdp4_crtc->enabled = false; } |