mirrors/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2025-11-04 02:30:34 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

drm/omap: DMM: Print information if we received an error interrupt

Browse source 
To help diagnose DMM errors, print out information if any of the error bits
are set in the interrupt status register.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Peter Ujfalusi 2017-09-29 14:49:48 +03:00 committed by Tomi Valkeinen
parent d312fe2ef5
commit b8c456d31b
1 changed files with 5 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
View file

@ -166,6 +166,11 @@ static irqreturn_t omap_dmm_irq_handler(int irq, void *arg)
dmm_write(dmm, status, DMM_PAT_IRQSTATUS);
for (i = 0; i < dmm->num_engines; i++) {
if (status & DMM_IRQSTAT_ERR_MASK)
dev_err(dmm->dev,
"irq error(engine%d): IRQSTAT 0x%02x\n",
i, status & 0xff);
if (status & DMM_IRQSTAT_LST) {
if (dmm->engines[i].async)
release_engine(&dmm->engines[i]);