[PATCHv3 1/2] drm/i915/dp: Read ALPM caps after DPCD init

[Arun R Murthy]

For eDP read the ALPM DPCD caps after DPCD initalization and just before
the PSR init.

v2: Move intel_alpm_init to intel_edp_init_dpcd (Jouni)
v3: Add Fixes with commit-id (Jouni)

Fixes: 15438b325987 ("drm/i915/alpm: Add compute config for lobf")
Signed-off-by: Arun R Murthy <arun.r.mur...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c 
b/drivers/gpu/drm/i915/display/intel_dp.c
index 025e906b63a9..1544758c0bbc 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -4748,6 +4748,9 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp, struct 
intel_connector *connector
         */
        intel_dp_init_source_oui(intel_dp);
 
+       /* Read ALPM DPCD caps before reading the PSR CAPS */
+       intel_alpm_init(intel_dp);
+
        /*
         * This has to be called after intel_dp->edp_dpcd is filled, PSR checks
         * for SET_POWER_CAPABLE bit in intel_dp->edp_dpcd[1]
@@ -6914,8 +6917,6 @@ 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);
 
-- 
2.25.1