In ALPM init, the DPCD register ALPM_CAPABILITIES are to be read. This read has to happen after the DPCD init.
Signed-off-by: Arun R Murthy <[email protected]> --- drivers/gpu/drm/i915/display/intel_dp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 613559d11133..e60802b0b8c9 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -6948,8 +6948,6 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, */ intel_hpd_enable_detection(encoder); - intel_alpm_init(intel_dp); - /* Cache DPCD and EDID for edp. */ has_dpcd = intel_edp_init_dpcd(intel_dp, connector); @@ -6961,6 +6959,8 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, goto out_vdd_off; } + intel_alpm_init(intel_dp); + /* * VBT and straps are liars. Also check HPD as that seems * to be the most reliable piece of information available. -- 2.25.1
