modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c
..
..
@@ -117,8 +117,10 @@
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 	switch (mthd) {
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 	case 0x0000 ... 0x0000: /* subchannel's engine -> software */
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 		nvkm_wr32(device, 0x003280, (engine &= ~mask));
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+		fallthrough;
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 	case 0x0180 ... 0x01fc: /* handle -> instance */
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 		data = nvkm_rd32(device, 0x003258) & 0x0000ffff;
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+		fallthrough;
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 	case 0x0100 ... 0x017c:
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 	case 0x0200 ... 0x1ffc: /* pass method down to sw */
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 		if (!(engine & mask) && sw)