50db139018
The default of 0 is 500us of link training, but that's not enough for some platforms. Decoding this correctly means we're using 2.5ms of link training on these platforms, which fixes flickering issues associated with enabling PSR. v2: Unbotch the math a bit. v3: Drop debug hunk. v4: Improve commit message. Tested-by: Lyude <cpaul@redhat.com> Cc: Lyude <cpaul@redhat.com> Cc: stable@vger.kernel.org Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95176 Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Sonika Jindal <sonika.jindal@intel.com> Cc: Durgadoss R <durgadoss.r@intel.com> Cc: "Pandiyan, Dhinakaran" <dhinakaran.pandiyan@intel.com> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by: fritsch@kodi.tv Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1463590036-17824-2-git-send-email-daniel.vetter@ffwll.ch |
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