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drm/amdgpu: Add interface to reserve bad page

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Add interface to reserve bad page.

Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
YiPeng Chai 2024-03-29 14:42:59 +08:00 committed by Alex Deucher
parent 60c448439f
commit af730e0820
2 changed files with 23 additions and 0 deletions
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19
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
View File

@ -2792,6 +2792,7 @@ int amdgpu_ras_recovery_init(struct amdgpu_device *adev)
}
}
mutex_init(&con->page_rsv_lock);
mutex_init(&con->page_retirement_lock);
init_waitqueue_head(&con->page_retirement_wq);
atomic_set(&con->page_retirement_req_cnt, 0);
@ -2842,6 +2843,8 @@ static int amdgpu_ras_recovery_fini(struct amdgpu_device *adev)
atomic_set(&con->page_retirement_req_cnt, 0);
mutex_destroy(&con->page_rsv_lock);
cancel_work_sync(&con->recovery_work);
mutex_lock(&con->recovery_lock);
@ -4280,3 +4283,19 @@ void amdgpu_ras_query_boot_status(struct amdgpu_device *adev, u32 num_instances)
amdgpu_ras_boot_time_error_reporting(adev, i, boot_error);
}
}
int amdgpu_ras_reserve_page(struct amdgpu_device *adev, uint64_t pfn)
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
struct amdgpu_vram_mgr *mgr = &adev->mman.vram_mgr;
uint64_t start = pfn << AMDGPU_GPU_PAGE_SHIFT;
int ret = 0;
mutex_lock(&con->page_rsv_lock);
ret = amdgpu_vram_mgr_query_page_status(mgr, start);
if (ret == -ENOENT)
ret = amdgpu_vram_mgr_reserve_range(mgr, start, AMDGPU_GPU_PAGE_SIZE);
mutex_unlock(&con->page_rsv_lock);
return ret;
}

4
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
View File

@ -500,6 +500,7 @@ struct amdgpu_ras {
wait_queue_head_t page_retirement_wq;
struct mutex page_retirement_lock;
atomic_t page_retirement_req_cnt;
struct mutex page_rsv_lock;
/* Fatal error detected flag */
atomic_t fed;
@ -909,4 +910,7 @@ bool amdgpu_ras_get_fed_status(struct amdgpu_device *adev);
bool amdgpu_ras_event_id_is_valid(struct amdgpu_device *adev, u64 id);
u64 amdgpu_ras_acquire_event_id(struct amdgpu_device *adev, enum ras_event_type type);
int amdgpu_ras_reserve_page(struct amdgpu_device *adev, uint64_t pfn);
#endif