From: Victor Zhao <Victor.Zhao@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: <philip.yang@amd.com>, Victor Zhao <Victor.Zhao@amd.com>
Subject: [PATCH] drm/amdkfd: remove extra use of volatile
Date: Tue, 22 Oct 2024 21:53:07 +0800 [thread overview]
Message-ID: <20241022135307.3566557-1-Victor.Zhao@amd.com> (raw)
as the adding of mb() should be sufficient in function unmap_queues_cpsch,
remove the add of volatile type as recommended
Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 2 +-
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h | 2 +-
2 files changed, 2 insertions(+), 2 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 5a318376203c..38c19dc8311d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -2048,7 +2048,7 @@ int amdkfd_fence_wait_timeout(struct device_queue_manager *dqm,
{
unsigned long end_jiffies = msecs_to_jiffies(timeout_ms) + jiffies;
struct device *dev = dqm->dev->adev->dev;
- volatile uint64_t *fence_addr = dqm->fence_addr;
+ uint64_t *fence_addr = dqm->fence_addr;
while (*fence_addr != fence_value) {
/* Fatal err detected, this response won't come */
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index bddb169bb301..09ab36f8e8c6 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -260,7 +260,7 @@ struct device_queue_manager {
uint16_t vmid_pasid[VMID_NUM];
uint64_t pipelines_addr;
uint64_t fence_gpu_addr;
- volatile uint64_t *fence_addr;
+ uint64_t *fence_addr;
struct kfd_mem_obj *fence_mem;
bool active_runlist;
int sched_policy;
--
2.34.1
next reply other threads:[~2024-10-22 13:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-22 13:53 Victor Zhao [this message]
2024-10-22 14:05 ` [PATCH] drm/amdkfd: remove extra use of volatile Alex Deucher
2024-10-22 14:05 ` Christian König
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