diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/xilinx/xilinx_dpdma.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/dma/xilinx/xilinx_dpdma.c b/drivers/dma/xilinx/xilinx_dpdma.c index ea56c3b35782..5834f8614a58 100644 --- a/drivers/dma/xilinx/xilinx_dpdma.c +++ b/drivers/dma/xilinx/xilinx_dpdma.c @@ -1095,8 +1095,12 @@ static void xilinx_dpdma_chan_vsync_irq(struct xilinx_dpdma_chan *chan) /* If the retrigger raced with vsync, retry at the next frame. */ sw_desc = list_first_entry(&pending->descriptors, struct xilinx_dpdma_sw_desc, node); - if (sw_desc->hw.desc_id != desc_id) + if (sw_desc->hw.desc_id != desc_id) { + dev_dbg(chan->xdev->dev, + "chan%u: vsync race lost (%u != %u), retrying\n", + chan->id, sw_desc->hw.desc_id, desc_id); goto out; + } /* * Complete the active descriptor, if any, promote the pending |