add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/video/fbdev/hyperv_fb.c
..
..
@@ -798,12 +798,18 @@
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 static int hvfb_on_panic(struct notifier_block *nb,
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 			 unsigned long e, void *p)
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 {
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+	struct hv_device *hdev;
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 	struct hvfb_par *par;
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 	struct fb_info *info;
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 	par = container_of(nb, struct hvfb_par, hvfb_panic_nb);
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-	par->synchronous_fb = true;
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 	info = par->info;
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+	hdev = device_to_hv_device(info->device);
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+
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+	if (hv_ringbuffer_spinlock_busy(hdev->channel))
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+		return NOTIFY_DONE;
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+
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+	par->synchronous_fb = true;
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 	if (par->need_docopy)
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 		hvfb_docopy(par, 0, dio_fb_size);
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 	synthvid_update(info, 0, 0, INT_MAX, INT_MAX);