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drm/amdgpu: disable ras query and iject during gpu reset

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added flag to ras context to indicate if ras query functionality is ready

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
John Clements
2020-03-25 16:01:14 +08:00
committed by Alex Deucher
parent 66399248fe
commit 61380faa4b
3 changed files with 28 additions and 3 deletions
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24
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@@ -80,6 +80,20 @@ atomic_t amdgpu_ras_in_intr = ATOMIC_INIT(0);
static bool amdgpu_ras_check_bad_page(struct amdgpu_device *adev,
uint64_t addr);
void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready)
{
if (adev)
amdgpu_ras_get_context(adev)->error_query_ready = ready;
}
bool amdgpu_ras_get_error_query_ready(struct amdgpu_device *adev)
{
if (adev)
return amdgpu_ras_get_context(adev)->error_query_ready;
return false;
}
static ssize_t amdgpu_ras_debugfs_read(struct file *f, char __user *buf,
size_t size, loff_t *pos)
{
@@ -281,7 +295,7 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user *
struct ras_debug_if data;
int ret = 0;
if (amdgpu_ras_intr_triggered()) {
if (!amdgpu_ras_get_error_query_ready(adev)) {
DRM_WARN("RAS WARN: error injection currently inaccessible\n");
return size;
}
@@ -399,7 +413,7 @@ static ssize_t amdgpu_ras_sysfs_read(struct device *dev,
.head = obj->head,
};
if (amdgpu_ras_intr_triggered())
if (!amdgpu_ras_get_error_query_ready(obj->adev))
return snprintf(buf, PAGE_SIZE,
"Query currently inaccessible\n");
@@ -1886,8 +1900,10 @@ int amdgpu_ras_late_init(struct amdgpu_device *adev,
}
/* in resume phase, no need to create ras fs node */
if (adev->in_suspend || adev->in_gpu_reset)
if (adev->in_suspend || adev->in_gpu_reset) {
amdgpu_ras_set_error_query_ready(adev, true);
return 0;
}
if (ih_info->cb) {
r = amdgpu_ras_interrupt_add_handler(adev, ih_info);
@@ -1899,6 +1915,8 @@ int amdgpu_ras_late_init(struct amdgpu_device *adev,
if (r)
goto sysfs;
amdgpu_ras_set_error_query_ready(adev, true);
return 0;
cleanup:
amdgpu_ras_sysfs_remove(adev, ras_block);