drm/nva3/pm: fixup for NVAF special
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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1 changed files with 7 additions and 1 deletions
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@ -46,8 +46,14 @@ read_clk(struct drm_device *dev, int clk, bool ignore_en)
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u32 sctl, sdiv, sclk;
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u32 sctl, sdiv, sclk;
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/* refclk for the 0xe8xx plls is a fixed frequency */
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/* refclk for the 0xe8xx plls is a fixed frequency */
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if (clk >= 0x40)
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if (clk >= 0x40) {
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if (dev_priv->chipset == 0xaf) {
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/* no joke.. seriously.. sigh.. */
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return nv_rd32(dev, 0x00471c) * 1000;
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}
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return dev_priv->crystal;
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return dev_priv->crystal;
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}
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sctl = nv_rd32(dev, 0x4120 + (clk * 4));
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sctl = nv_rd32(dev, 0x4120 + (clk * 4));
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if (!ignore_en && !(sctl & 0x00000100))
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if (!ignore_en && !(sctl & 0x00000100))
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