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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 0b466d101f53..d7bf8fc10869 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -25,6 +25,8 @@
#include <linux/list.h>
#include <linux/module.h>
#include <linux/uaccess.h>
+#include <linux/reboot.h>
+#include <linux/syscalls.h>
#include "amdgpu.h"
#include "amdgpu_ras.h"
@@ -66,6 +68,9 @@ const char *ras_block_string[] = {
/* inject address is 52 bits */
#define RAS_UMC_INJECT_ADDR_LIMIT (0x1ULL << 52)
+
+atomic_t amdgpu_ras_in_intr = ATOMIC_INIT(0);
+
static int amdgpu_ras_reserve_vram(struct amdgpu_device *adev,
uint64_t offset, uint64_t size,
struct amdgpu_bo **bo_ptr);
@@ -190,6 +195,10 @@ static int amdgpu_ras_debugfs_ctrl_parse_data(struct file *f,
return 0;
}
+
+static struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
+ struct ras_common_if *head);
+
/**
* DOC: AMDGPU RAS debugfs control interface
*
@@ -629,12 +638,14 @@ int amdgpu_ras_error_query(struct amdgpu_device *adev,
info->ue_count = obj->err_data.ue_count;
info->ce_count = obj->err_data.ce_count;
- if (err_data.ce_count)
+ if (err_data.ce_count) {
dev_info(adev->dev, "%ld correctable errors detected in %s block\n",
obj->err_data.ce_count, ras_block_str(info->head.block));
- if (err_data.ue_count)
+ }
+ if (err_data.ue_count) {
dev_info(adev->dev, "%ld uncorrectable errors detected in %s block\n",
obj->err_data.ue_count, ras_block_str(info->head.block));
+ }
return 0;
}
@@ -1731,3 +1742,10 @@ int amdgpu_ras_fini(struct amdgpu_device *adev)
return 0;
}
+
+void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev)
+{
+ if (atomic_cmpxchg(&amdgpu_ras_in_intr, 0, 1) == 0) {
+ DRM_WARN("RAS event of type ERREVENT_ATHUB_INTERRUPT detected! Stopping all GPU jobs.\n");
+ }
+}