summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/tilcdc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/tilcdc')
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_crtc.c8
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_drv.c4
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index b1df04625f50..5ee22c6b37e8 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -717,6 +717,14 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
tilcdc_write(dev, LCDC_END_OF_INT_IND_REG, 0);
}
+ if (stat & LCDC_SYNC_LOST)
+ dev_err_ratelimited(dev->dev, "%s(0x%08x): Sync lost",
+ __func__, stat);
+
+ if (stat & LCDC_FIFO_UNDERFLOW)
+ dev_err_ratelimited(dev->dev, "%s(0x%08x): FIFO underfow",
+ __func__, stat);
+
return IRQ_HANDLED;
}
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index d96083d62e11..41ec890c4bca 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -382,7 +382,7 @@ static int tilcdc_irq_postinstall(struct drm_device *dev)
tilcdc_write(dev, LCDC_INT_ENABLE_SET_REG,
LCDC_V2_UNDERFLOW_INT_ENA |
LCDC_V2_END_OF_FRAME0_INT_ENA |
- LCDC_FRAME_DONE);
+ LCDC_FRAME_DONE | LCDC_SYNC_LOST);
}
return 0;
@@ -401,7 +401,7 @@ static void tilcdc_irq_uninstall(struct drm_device *dev)
tilcdc_write(dev, LCDC_INT_ENABLE_CLR_REG,
LCDC_V2_UNDERFLOW_INT_ENA | LCDC_V2_PL_INT_ENA |
LCDC_V2_END_OF_FRAME0_INT_ENA |
- LCDC_FRAME_DONE);
+ LCDC_FRAME_DONE | LCDC_SYNC_LOST);
}
}
OpenPOWER on IntegriCloud