3e68320ef8
The FDI link has supported link reversal to make the PCB layout engineer's life easier for quite a while and we have always presered this bit as we programmed FDI_RX_CTL with a read/modify/write sequence. We're trying to take a bit more control over what the BIOS leaves in various register and with the introduction of DDI, started to program FDI_RX_CTL fully. There's a fused bit to indicate DMI link reversal and FDI defaults to mirroring that configuration. We have a bit to override that behaviour that we need to preserve from the BIOS. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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