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| author | Jyri Sarha <jsarha@ti.com> | 2015-12-18 13:07:52 +0200 |
|---|---|---|
| committer | Jyri Sarha <jsarha@ti.com> | 2016-02-25 16:39:44 +0200 |
| commit | c0c2baaab1b553df92a24e9175440f15e6ad3e2c (patch) | |
| tree | 28c51e2cf13cc8109c999c7eccbffa2ce2fe7769 /drivers/gpu/drm/tilcdc | |
| parent | f3a99946a95b3482eabec63b9f662963d7d2e3c8 (diff) | |
| download | blackbird-op-linux-c0c2baaab1b553df92a24e9175440f15e6ad3e2c.tar.gz blackbird-op-linux-c0c2baaab1b553df92a24e9175440f15e6ad3e2c.zip | |
drm/tilcdc: Add prints on sync lost and FIFO underrun interrupts
Add ratelimited prints on sync lost and FIFO underrun interrupts.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/tilcdc')
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_drv.c | 4 |
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); } } |
