From 3fdcd0a31d7aed3ef5de104ff8f7e4e4908a0c36 Mon Sep 17 00:00:00 2001
From: YiPeng Chai <YiPeng.Chai@amd.com>
Date: Thu, 18 Jan 2024 14:57:22 +0800
Subject: drm/amdgpu: Prepare for asynchronous processing of umc page
retirement
Preparing for asynchronous processing of umc page retirement.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 34 +++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 850cad69e4b7..7e7bb85341af 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2660,6 +2660,25 @@ static void amdgpu_ras_validate_threshold(struct amdgpu_device *adev,
}
}
+static int amdgpu_ras_page_retirement_thread(void *param)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)param;
+ struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+
+ while (!kthread_should_stop()) {
+
+ wait_event_interruptible(con->page_retirement_wq,
+ atomic_read(&con->page_retirement_req_cnt));
+
+ dev_info(adev->dev, "Start processing page retirement. request:%d\n",
+ atomic_read(&con->page_retirement_req_cnt));
+
+ atomic_dec(&con->page_retirement_req_cnt);
+ }
+
+ return 0;
+}
+
int amdgpu_ras_recovery_init(struct amdgpu_device *adev)
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
@@ -2723,6 +2742,16 @@ int amdgpu_ras_recovery_init(struct amdgpu_device *adev)
}
}
+ mutex_init(&con->page_retirement_lock);
+ init_waitqueue_head(&con->page_retirement_wq);
+ atomic_set(&con->page_retirement_req_cnt, 0);
+ con->page_retirement_thread =
+ kthread_run(amdgpu_ras_page_retirement_thread, adev, "umc_page_retirement");
+ if (IS_ERR(con->page_retirement_thread)) {
+ con->page_retirement_thread = NULL;
+ dev_warn(adev->dev, "Failed to create umc_page_retirement thread!!!\n");
+ }
+
#ifdef CONFIG_X86_MCE_AMD
if ((adev->asic_type == CHIP_ALDEBARAN) &&
(adev->gmc.xgmi.connected_to_cpu))
@@ -2758,6 +2787,11 @@ static int amdgpu_ras_recovery_fini(struct amdgpu_device *adev)
if (!data)
return 0;
+ if (con->page_retirement_thread)
+ kthread_stop(con->page_retirement_thread);
+
+ atomic_set(&con->page_retirement_req_cnt, 0);
+
cancel_work_sync(&con->recovery_work);
mutex_lock(&con->recovery_lock);
--
cgit