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/linux-4.1.27/drivers/gpu/drm/nouveau/nvkm/subdev/clk/
Dgt215.c140 u32 hsrc; in gt215_clk_read() local
159 hsrc = (nv_rd32(priv, 0xc040) & 0x30000000) >> 28; in gt215_clk_read()
160 switch (hsrc) { in gt215_clk_read()
167 nv_error(clk, "unknown HOST clock source %d\n", hsrc); in gt215_clk_read()
390 u32 hsrc = (nv_rd32(priv, 0xc040)); in prog_host() local
394 if ((hsrc & 0x30000000) == 0) { in prog_host()
395 nv_wr32(priv, 0xc040, hsrc | 0x20000000); in prog_host()
401 if ((hsrc & 0x30000000) >= 0x20000000) { in prog_host()
402 nv_wr32(priv, 0xc040, hsrc & ~0x30000000); in prog_host()