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[i-g-t,3/5] intel-gpu-overlay: Fix interrupts PMU readout

Message ID 20170918113840.2684-4-tvrtko.ursulin@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tvrtko Ursulin Sept. 18, 2017, 11:38 a.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
 overlay/gem-interrupts.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/overlay/gem-interrupts.c b/overlay/gem-interrupts.c
index a84aef0398a7..3eda24f4d7eb 100644
--- a/overlay/gem-interrupts.c
+++ b/overlay/gem-interrupts.c
@@ -136,8 +136,12 @@  int gem_interrupts_update(struct gem_interrupts *irqs)
 		else
 			val = ret;
 	} else {
-		if (read(irqs->fd, &val, sizeof(val)) < 0)
+		uint64_t data[2];
+
+		if (read(irqs->fd, &data, sizeof(data)) < 0)
 			return irqs->error = errno;
+
+		val = data[0];
 	}
 
 	update = irqs->last_count == 0;