summaryrefslogtreecommitdiffstats
path: root/drivers/gpu
diff options
context:
space:
mode:
authorYu Zhe <yuzhe@nfschina.com>2022-07-28 05:30:26 +0200
committerAlex Deucher <alexander.deucher@amd.com>2022-07-29 21:17:31 +0200
commitdcfe584b00f1d6dcbeeb769b939f53a3c4f04143 (patch)
tree84ff164cfe5374a7fe5667b098cba441027034c5 /drivers/gpu
parentdrm/amdgpu: fix hive reference leak when reflecting psp topology info (diff)
downloadlinux-dcfe584b00f1d6dcbeeb769b939f53a3c4f04143.tar.xz
linux-dcfe584b00f1d6dcbeeb769b939f53a3c4f04143.zip
drm/amdkfd: use time_is_before_jiffies(a + b) to replace "jiffies - a > b"
time_is_before_jiffies deals with timer wrapping correctly. Signed-off-by: Yu Zhe <yuzhe@nfschina.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
index a9466d154395..34772fe74296 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
@@ -146,7 +146,7 @@ static void interrupt_wq(struct work_struct *work)
struct kfd_dev *dev = container_of(work, struct kfd_dev,
interrupt_work);
uint32_t ih_ring_entry[KFD_MAX_RING_ENTRY_SIZE];
- long start_jiffies = jiffies;
+ unsigned long start_jiffies = jiffies;
if (dev->device_info.ih_ring_entry_size > sizeof(ih_ring_entry)) {
dev_err_once(dev->adev->dev, "Ring entry too small\n");
@@ -156,7 +156,7 @@ static void interrupt_wq(struct work_struct *work)
while (dequeue_ih_ring_entry(dev, ih_ring_entry)) {
dev->device_info.event_interrupt_class->interrupt_wq(dev,
ih_ring_entry);
- if (jiffies - start_jiffies > HZ) {
+ if (time_is_before_jiffies(start_jiffies + HZ)) {
/* If we spent more than a second processing signals,
* reschedule the worker to avoid soft-lockup warnings
*/