On Thu, 12 Feb 2026, Jouni Högander wrote:
PORT_ALPM_CTL is supposed to be written only before link training. Remove
writing it from ALPM disable.
Also clearing ALPM_CTL_ALPM_AUX_LESS_ENABLE and is not about disabling ALPM
but switching to AUX-Wake ALPM. Stop touching this bit on ALPM disable.
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/7153
Fixes: 1ccbf135862b ("drm/i915/psr: Enable ALPM on source side for eDP Panel
replay")
Cc: Animesh Manna <[email protected]>
Cc: Jani Nikula <[email protected]>
Cc: <[email protected]> # v6.10+
Signed-off-by: Jouni Högander <[email protected]>
Reviewed-by: Michał Grzelak <[email protected]>
BR,
Michał
