drm/radeon: fix firmware info version checks
Some of the checks didn't handle frev 2 tables properly. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
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@ -1155,7 +1155,7 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
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le16_to_cpu(firmware_info->info.usReferenceClock);
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p1pll->reference_div = 0;
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if (crev < 2)
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if ((frev < 2) && (crev < 2))
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p1pll->pll_out_min =
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le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
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else
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@ -1164,7 +1164,7 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
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p1pll->pll_out_max =
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le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
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if (crev >= 4) {
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if (((frev < 2) && (crev >= 4)) || (frev >= 2)) {
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p1pll->lcd_pll_out_min =
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le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
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if (p1pll->lcd_pll_out_min == 0)
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