rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/drivers/gpu/arm/bifrost/mali_kbase_gpu_memory_debugfs.c
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@@ -48,18 +48,30 @@
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 		kbdev = list_entry(entry, struct kbase_device, entry);
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 		/* output the total memory usage and cap for this device */
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+		seq_printf(sfile, "<dev>                <pages>\n");
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 		seq_printf(sfile, "%-16s  %10u\n",
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 				kbdev->devname,
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 				atomic_read(&(kbdev->memdev.used_pages)));
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 		mutex_lock(&kbdev->kctx_list_lock);
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+		seq_printf(sfile, "  <kctx>                  <comm>               <pid>         <pages>\n");
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 		list_for_each_entry(kctx, &kbdev->kctx_list, kctx_list_link) {
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+			struct pid *pid_struct;
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+			struct task_struct *task;
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+
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+			rcu_read_lock();
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+			pid_struct = find_get_pid(kctx->tgid);
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+			task = pid_task(pid_struct, PIDTYPE_PID);
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 			/* output the memory usage and cap for each kctx
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-			* opened on this device
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-			*/
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-			seq_printf(sfile, "  %s-0x%pK %10u\n",
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+			 * opened on this device
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+			 */
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+			seq_printf(sfile, "  %s-0x%pK %-20s %-10d %10u\n",
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 				"kctx",
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 				kctx,
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+				task ? task->comm : "[null comm]",
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+				kctx->tgid,
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 				atomic_read(&(kctx->used_pages)));
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+			put_pid(pid_struct);
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+			rcu_read_unlock();
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 		}
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 		mutex_unlock(&kbdev->kctx_list_lock);
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 	}
..
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@@ -88,18 +100,13 @@
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  */
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 void kbasep_gpu_memory_debugfs_init(struct kbase_device *kbdev)
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 {
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-	debugfs_create_file("gpu_memory", S_IRUGO,
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+	debugfs_create_file("gpu_memory", 0444,
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 			kbdev->mali_debugfs_directory, NULL,
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 			&kbasep_gpu_memory_debugfs_fops);
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-	return;
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 }
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-
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 #else
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 /*
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  * Stub functions for when debugfs is disabled
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  */
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-void kbasep_gpu_memory_debugfs_init(struct kbase_device *kbdev)
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-{
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-	return;
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-}
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+void kbasep_gpu_memory_debugfs_init(struct kbase_device *kbdev) {}
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 #endif