[PATCH 03/11] drm/amdkfd: Rectify the jiffies calculation error with milliseconds

[Felix Kuehling]

From: Yong Zhao <yong.zhao at amd.com>

The timeout in milliseconds should not be regarded as jiffies. This
commit fixed that.

Signed-off-by: Yong Zhao <yong.zhao at amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 8 +++++---
 drivers/gpu/drm/amd/amdkfd/kfd_priv.h                 | 2 +-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 5db82b8..3db6a31 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -835,12 +835,14 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
 
 int amdkfd_fence_wait_timeout(unsigned int *fence_addr,
 				unsigned int fence_value,
-				unsigned long timeout)
+				unsigned long timeout_ms)
 {
-	timeout += jiffies;
+	unsigned long end_jiffies;
+
+	end_jiffies = (timeout_ms * HZ / 1000) + jiffies;
 
 	while (*fence_addr != fence_value) {
-		if (time_after(jiffies, timeout)) {
+		if (time_after(jiffies, end_jiffies)) {
 			pr_err("qcm fence wait loop timeout expired\n");
 			return -ETIME;
 		}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index ef582cc..f8d6a8e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -669,7 +669,7 @@ struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm,
 
 int amdkfd_fence_wait_timeout(unsigned int *fence_addr,
 				unsigned int fence_value,
-				unsigned long timeout);
+				unsigned long timeout_ms);
 
 /* Packet Manager */
 
-- 
2.7.4