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drm/i915/mst: debug log 4 bytes of ESI right after reading

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For whatever reason, the ESI link service irq vector was missing from
the debug output. Add the missing byte, clean up the debug message, and
do the logging right after reading the data.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220112110319.1172110-3-jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2022-01-12 13:03:15 +02:00
parent 603801d0f2
commit 34ed3e8347
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/display/intel_dp.c
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@@ -3683,6 +3683,8 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
break;
}
drm_dbg_kms(&i915->drm, "DPRX ESI: %4ph\n", esi);
/* check link status - esi[10] = 0x200c */
if (intel_dp->active_mst_links > 0 && link_ok &&
!drm_dp_channel_eq_ok(&esi[10], intel_dp->lane_count)) {
@@ -3691,8 +3693,6 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
link_ok = false;
}
drm_dbg_kms(&i915->drm, "got esi %3ph\n", esi);
intel_dp_mst_hpd_irq(intel_dp, esi, &handled);
if (!handled)