drm/amdgpu: correct ras error count type

Use unsigned long type for the same ras count variable.
This will avoid overflow on 64 bit system.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c

@@ -351,7 +351,7 @@ static int amdgpu_ctx_query2(struct amdgpu_device *adev,
 {
 	struct amdgpu_ctx *ctx;
 	struct amdgpu_ctx_mgr *mgr;
-	uint32_t ras_counter;
+	unsigned long ras_counter;
 
 	if (!fpriv)
 		return -EINVAL;

drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h

@@ -49,8 +49,8 @@ struct amdgpu_ctx {
 	enum drm_sched_priority		override_priority;
 	struct mutex			lock;
 	atomic_t			guilty;
-	uint32_t			ras_counter_ce;
-	uint32_t			ras_counter_ue;
+	unsigned long			ras_counter_ce;
+	unsigned long			ras_counter_ue;
 };
 
 struct amdgpu_ctx_mgr {

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

@@ -688,7 +688,7 @@ int amdgpu_ras_error_cure(struct amdgpu_device *adev,
 }
 
 /* get the total error counts on all IPs */
-int amdgpu_ras_query_error_count(struct amdgpu_device *adev,
+unsigned long amdgpu_ras_query_error_count(struct amdgpu_device *adev,
 		bool is_ce)
 {
 	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
@@ -696,7 +696,7 @@ int amdgpu_ras_query_error_count(struct amdgpu_device *adev,
 	struct ras_err_data data = {0, 0};
 
 	if (!con)
-		return -EINVAL;
+		return 0;
 
 	list_for_each_entry(obj, &con->head, node) {
 		struct ras_query_if info = {
@@ -704,7 +704,7 @@ int amdgpu_ras_query_error_count(struct amdgpu_device *adev,
 		};
 
 		if (amdgpu_ras_error_query(adev, &info))
-			return -EINVAL;
+			return 0;
 
 		data.ce_count += info.ce_count;
 		data.ue_count += info.ue_count;

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h

@@ -484,7 +484,7 @@ int amdgpu_ras_request_reset_on_boot(struct amdgpu_device *adev,
 void amdgpu_ras_resume(struct amdgpu_device *adev);
 void amdgpu_ras_suspend(struct amdgpu_device *adev);
 
-int amdgpu_ras_query_error_count(struct amdgpu_device *adev,
+unsigned long amdgpu_ras_query_error_count(struct amdgpu_device *adev,
 		bool is_ce);
 
 /* error handling functions */