diff options
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c index c60a85e82c6d..e3725dc60e2c 100644 --- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c +++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c @@ -121,14 +121,22 @@ static int wait_status(struct refill_engine *engine, uint32_t wait_mask) while (true) { r = dmm_read(dmm, reg[PAT_STATUS][engine->id]); err = r & DMM_PATSTATUS_ERR; - if (err) + if (err) { + dev_err(dmm->dev, + "%s: error (engine%d). PAT_STATUS: 0x%08x\n", + __func__, engine->id, r); return -EFAULT; + } if ((r & wait_mask) == wait_mask) break; - if (--i == 0) + if (--i == 0) { + dev_err(dmm->dev, + "%s: timeout (engine%d). PAT_STATUS: 0x%08x\n", + __func__, engine->id, r); return -ETIMEDOUT; + } udelay(1); } |