* Tony Lindgren <tony@xxxxxxxxxxx> [200225 22:35]:
> * Tony Lindgren <tony@xxxxxxxxxxx> [200225 19:53]:
> > * Tony Lindgren <tony@xxxxxxxxxxx> [200225 18:38]:
> > > Only lightly tested so far, please test. Also, I'm not sure if we
> > > should get the id from somewhere for drm_handle_vblank() instead of
> > > just using 0?
> >
> > Also looks like we can now get WARN_ON(omap_crtc->pending)
> > in omap_crtc_arm_event(), so obviously some changes are
> > needed.
>
> Below is an updated version that just returns early for
> omap_crtc_arm_event() for manual update display if already
> armed.
>
> I'm now also passing the id from the interrupt handler, maybe
> it's available somewhere locally but I just did not notice.
And we need to have drm_crtc_vblank_get and put paired to
avoid more warnings.. Best to just have a single path for
handling vblank interrupt and manual mode panels.
Updated patch below again, this one seems to behave for
me so far based on the issues I noticed with earlier
attempts.
Regards,
Tony
8< ---------------------------
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index d0bc9614588f9..ed4abfef0536d 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -325,23 +325,21 @@ void omap_crtc_vblank_irq(struct drm_crtc *crtc)
DBG("%s: apply done", omap_crtc->name);
}
-void omap_crtc_framedone_irq(struct drm_crtc *crtc, uint32_t irqstatus)
+void omap_crtc_framedone_irq(struct drm_crtc *crtc, int id, uint32_t irqstatus)
{
+ struct omap_crtc_state *omap_state = to_omap_crtc_state(crtc->state);
struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
if (!omap_crtc->framedone_handler)
return;
- omap_crtc->framedone_handler(omap_crtc->framedone_handler_data);
-
- spin_lock(&crtc->dev->event_lock);
- /* Send the vblank event if one has been requested. */
- if (omap_crtc->event) {
- drm_crtc_send_vblank_event(crtc, omap_crtc->event);
- omap_crtc->event = NULL;
+ if (omap_state->manually_updated) {
+ drm_handle_vblank(dev, id);
+ omap_crtc_vblank_irq(crtc);
}
- omap_crtc->pending = false;
- spin_unlock(&crtc->dev->event_lock);
+
+ omap_crtc->framedone_handler(omap_crtc->framedone_handler_data);
/* Wake up omap_atomic_complete. */
wake_up(&omap_crtc->pending_wait);
@@ -439,8 +437,12 @@ static void omap_crtc_destroy(struct drm_crtc *crtc)
static void omap_crtc_arm_event(struct drm_crtc *crtc)
{
+ struct omap_crtc_state *omap_crtc_state = to_omap_crtc_state(crtc->state);
struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ if (omap_crtc->pending && omap_crtc_state->manually_updated)
+ return;
+
WARN_ON(omap_crtc->pending);
omap_crtc->pending = true;
@@ -455,17 +457,12 @@ static void omap_crtc_atomic_enable(struct drm_crtc *crtc,
{
struct omap_drm_private *priv = crtc->dev->dev_private;
struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
- struct omap_crtc_state *omap_state = to_omap_crtc_state(crtc->state);
int ret;
DBG("%s", omap_crtc->name);
priv->dispc_ops->runtime_get(priv->dispc);
- /* manual updated display will not trigger vsync irq */
- if (omap_state->manually_updated)
- return;
-
spin_lock_irq(&crtc->dev->event_lock);
drm_crtc_vblank_on(crtc);
ret = drm_crtc_vblank_get(crtc);
@@ -646,20 +643,14 @@ static void omap_crtc_atomic_flush(struct drm_crtc *crtc,
DBG("%s: GO", omap_crtc->name);
- if (omap_crtc_state->manually_updated) {
- /* send new image for page flips and modeset changes */
- spin_lock_irq(&crtc->dev->event_lock);
- omap_crtc_flush(crtc);
- omap_crtc_arm_event(crtc);
- spin_unlock_irq(&crtc->dev->event_lock);
- return;
- }
-
ret = drm_crtc_vblank_get(crtc);
WARN_ON(ret != 0);
spin_lock_irq(&crtc->dev->event_lock);
- priv->dispc_ops->mgr_go(priv->dispc, omap_crtc->channel);
+ if (omap_crtc_state->manually_updated)
+ omap_crtc_flush(crtc);
+ else
+ priv->dispc_ops->mgr_go(priv->dispc, omap_crtc->channel);
omap_crtc_arm_event(crtc);
spin_unlock_irq(&crtc->dev->event_lock);
}
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.h b/drivers/gpu/drm/omapdrm/omap_crtc.h
index 2fd57751ae2b1..9221f8ef2e87f 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.h
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.h
@@ -30,7 +30,7 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
int omap_crtc_wait_pending(struct drm_crtc *crtc);
void omap_crtc_error_irq(struct drm_crtc *crtc, u32 irqstatus);
void omap_crtc_vblank_irq(struct drm_crtc *crtc);
-void omap_crtc_framedone_irq(struct drm_crtc *crtc, uint32_t irqstatus);
+void omap_crtc_framedone_irq(struct drm_crtc *crtc, int id, uint32_t irqstatus);
void omap_crtc_flush(struct drm_crtc *crtc);
#endif /* __OMAPDRM_CRTC_H__ */
diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c
index 382bcdc72ac06..068ea4fdf445c 100644
--- a/drivers/gpu/drm/omapdrm/omap_irq.c
+++ b/drivers/gpu/drm/omapdrm/omap_irq.c
@@ -232,7 +232,7 @@ static irqreturn_t omap_irq_handler(int irq, void *arg)
omap_crtc_error_irq(crtc, irqstatus);
if (irqstatus & priv->dispc_ops->mgr_get_framedone_irq(priv->dispc, channel))
- omap_crtc_framedone_irq(crtc, irqstatus);
+ omap_crtc_framedone_irq(crtc, id, irqstatus);
}
omap_irq_ocp_error_handler(dev, irqstatus);
