Commit 3733bd8b authored by Ben Skeggs's avatar Ben Skeggs

drm/nouveau/tmr: ack interrupt before processing alarms

Fixes a race where we can miss an alarm that triggers while we're already
processing previous alarms.
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
parent 89ed10a5
......@@ -76,8 +76,8 @@ nv04_timer_intr(struct nvkm_timer *tmr)
u32 stat = nvkm_rd32(device, NV04_PTIMER_INTR_0);
if (stat & 0x00000001) {
nvkm_timer_alarm_trigger(tmr);
nvkm_wr32(device, NV04_PTIMER_INTR_0, 0x00000001);
nvkm_timer_alarm_trigger(tmr);
stat &= ~0x00000001;
}
......
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