Aravind Venkateswaran 5ba397e17e disp: msm: dp: fix the check for link maintenance
Current implementation checks for loss of channel equilization
or clock recovery only if the sink sets the link status updated
bit in the DPCD. However, it is possible that the sink can issue
an IRQ HPD to notify a link loss without setting the link status
updated field. Update the implementation to perform a link
maintenance whenever clock recovery or channel equalization is not
ok irrespective of whether the link status updated bit is set.

Change-Id: I2d765236b1e8ddae3c410087406546d0422cdf07
Signed-off-by: Aravind Venkateswaran <aravindh@codeaurora.org>
2020-09-30 22:58:22 -07:00
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