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authorThomas Zimmermann <tzimmermann@suse.de>2021-05-11 15:59:18 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2021-05-11 15:59:18 +0200
commitfd531024bad7e5799e968ca70c0d3ca7b96b71ef (patch)
treea6abb8be6a97c632a1327547a30c7119365e62c0 /drivers/gpu/host1x/debug.c
parenteb185a3212b5edca30da0ab4ec21d69a012bcb69 (diff)
parent6efb943b8616ec53a5e444193dccf1af9ad627b5 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to get v5.12 fixes. Requested for vmwgfx. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/gpu/host1x/debug.c')
-rw-r--r--drivers/gpu/host1x/debug.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/host1x/debug.c b/drivers/gpu/host1x/debug.c
index 1b4997bda1c7..8a14880c61bb 100644
--- a/drivers/gpu/host1x/debug.c
+++ b/drivers/gpu/host1x/debug.c
@@ -69,6 +69,7 @@ static int show_channel(struct host1x_channel *ch, void *data, bool show_fifo)
static void show_syncpts(struct host1x *m, struct output *o)
{
+ struct list_head *pos;
unsigned int i;
host1x_debug_output(o, "---- syncpts ----\n");
@@ -76,12 +77,19 @@ static void show_syncpts(struct host1x *m, struct output *o)
for (i = 0; i < host1x_syncpt_nb_pts(m); i++) {
u32 max = host1x_syncpt_read_max(m->syncpt + i);
u32 min = host1x_syncpt_load(m->syncpt + i);
+ unsigned int waiters = 0;
- if (!min && !max)
+ spin_lock(&m->syncpt[i].intr.lock);
+ list_for_each(pos, &m->syncpt[i].intr.wait_head)
+ waiters++;
+ spin_unlock(&m->syncpt[i].intr.lock);
+
+ if (!min && !max && !waiters)
continue;
- host1x_debug_output(o, "id %u (%s) min %d max %d\n",
- i, m->syncpt[i].name, min, max);
+ host1x_debug_output(o,
+ "id %u (%s) min %d max %d (%d waiters)\n",
+ i, m->syncpt[i].name, min, max, waiters);
}
for (i = 0; i < host1x_syncpt_nb_bases(m); i++) {