When trying to run weston on droid4 with the updated sgx blobs, the LCD
is just black and not updating. Weston also displays the following on
startup:
Warning: computed repaint delay is insane: -205475 msec
Weston runs fine on the HDMI alone though, and the issue was narrowed
down to an issue with vblank as suggested by ruleh <ruleh@xxxxxx>.
Turns out that for command mode displays, we're not currently calling
drm_handle_vblank() at all since omap_irq_handler() won't do it for
us since we get no vblank interrupts. Let's fix the issue by calling
drm_handle_vblank() and omap_crtc_vblank_irq() for command mode
displays from omap_crtc_framedone_irq() and make the vblank handling
the same for command mode panels as it is for normal displays.
For reference, below is my current weston.ini. The repaint-window is
maxed out to force immediate repaint instead of the default 7 ms.
Otherwise it seems that the repaint is happening at about 60 fps with
es2gears_wayland compared to about 130 fps where it seems to max out.
[core]
xwayland=true
backend=drm-backend.so
repaint-window=1000
pageflip-timeout=1000
[libinput]
rotation=0
[output]
name=DSI-1
transform=90
[output]
name=HDMI-1
mode=1024x768@60
Fixes: 47103a80f55a ("drm/omap: add framedone interrupt support")
Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx>
Cc: Merlijn Wajer <merlijn@xxxxxxxxxx>
Cc: Sebastian Reichel <sre@xxxxxxxxxx>
Cc: ruleh <ruleh@xxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
drivers/gpu/drm/omapdrm/omap_crtc.c | 41 +++++++++++------------------
drivers/gpu/drm/omapdrm/omap_crtc.h | 2 +-
drivers/gpu/drm/omapdrm/omap_irq.c | 2 +-
3 files changed, 18 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
--- 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
--- 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
--- 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);
--
2.25.1
