drm/amd/display: Use udelay when waiting between aux retries
[Why] "IRQ_HPD Pulse Length Test" DP compliance test fails. Test complains that certain DPCD registers are not read within 100 ms. [How] msleep is inaccurate for small values. Used udelay instead for accuracy. Signed-off-by: John Barberiz <John.Barberiz@amd.com> Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -516,7 +516,7 @@ bool dce_aux_transfer_with_retries(struct ddc_service *ddc,
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}
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}
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}
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}
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msleep(1);
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udelay(1000);
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}
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}
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return false;
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return false;
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}
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}
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