.. | .. |
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250 | 250 | ASIC_INTERNAL_MEMORY_SS, vco_freq)) { |
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251 | 251 | u32 reference_clock = rdev->clock.mpll.reference_freq; |
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252 | 252 | u32 decoded_ref = rv740_get_decoded_reference_divider(dividers.ref_div); |
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253 | | - u32 clk_s = reference_clock * 5 / (decoded_ref * ss.rate); |
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254 | | - u32 clk_v = 0x40000 * ss.percentage * |
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| 253 | + u32 clk_s, clk_v; |
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| 254 | + |
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| 255 | + if (!decoded_ref) |
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| 256 | + return -EINVAL; |
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| 257 | + clk_s = reference_clock * 5 / (decoded_ref * ss.rate); |
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| 258 | + clk_v = 0x40000 * ss.percentage * |
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255 | 259 | (dividers.whole_fb_div + (dividers.frac_fb_div / 8)) / (clk_s * 10000); |
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256 | 260 | |
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257 | 261 | mpll_ss1 &= ~CLKV_MASK; |
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