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From: Imre Deak <imre.deak@intel.com>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Subject: [PATCH 0/3] drm/i915: Fix DP MST SB message timeouts due to PPS delays
Date: Fri, 21 Mar 2025 16:56:23 +0200	[thread overview]
Message-ID: <20250321145626.94101-1-imre.deak@intel.com> (raw)

This patchset fixes DP MST down request side-band message timeouts on
one port caused by long PPS (panel/backlight, power-cycle) delays on
another eDP port.

Imre Deak (3):
  drm/i915/pps: Add helpers to lock PPS for AUX transfers
  drm/i915/dp_mst: Fix side-band message timeouts due to long PPS delays
  drm/i915/pps: Use intel_pps_is_pipe_instance() instead of open-coding
    it

 drivers/gpu/drm/i915/display/g4x_dp.c       |  6 +-
 drivers/gpu/drm/i915/display/intel_dp.c     |  2 +-
 drivers/gpu/drm/i915/display/intel_dp_aux.c | 16 +----
 drivers/gpu/drm/i915/display/intel_pps.c    | 79 ++++++++++++++++++---
 drivers/gpu/drm/i915/display/intel_pps.h    |  5 +-
 5 files changed, 80 insertions(+), 28 deletions(-)

-- 
2.44.2


             reply	other threads:[~2025-03-21 14:56 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-21 14:56 Imre Deak [this message]
2025-03-21 14:56 ` [PATCH 1/3] drm/i915/pps: Add helpers to lock PPS for AUX transfers Imre Deak
2025-03-24 10:33   ` Jani Nikula
2025-03-24 12:01     ` Imre Deak
2025-03-24 12:28       ` Jani Nikula
2025-03-24 13:52         ` Imre Deak
2025-03-24 13:59           ` Jani Nikula
2025-03-24 14:04             ` Imre Deak
2025-03-24 14:32               ` Jani Nikula
2025-03-21 14:56 ` [PATCH 2/3] drm/i915/dp_mst: Fix side-band message timeouts due to long PPS delays Imre Deak
2025-03-21 18:00   ` Ville Syrjälä
2025-03-21 18:38     ` Imre Deak
2025-03-21 18:44       ` Ville Syrjälä
2025-03-21 19:11         ` Imre Deak
2025-03-24 10:36           ` Jani Nikula
2025-03-21 14:56 ` [PATCH 3/3] drm/i915/pps: Use intel_pps_is_pipe_instance() instead of open-coding it Imre Deak
2025-03-21 18:03   ` Ville Syrjälä
2025-03-21 18:43     ` Imre Deak
2025-03-24  9:59       ` Jani Nikula
2025-03-21 15:01 ` ✓ CI.Patch_applied: success for drm/i915: Fix DP MST SB message timeouts due to PPS delays Patchwork
2025-03-21 15:01 ` ✓ CI.checkpatch: " Patchwork
2025-03-21 15:02 ` ✓ CI.KUnit: " Patchwork
2025-03-21 15:19 ` ✓ CI.Build: " Patchwork
2025-03-21 15:21 ` ✓ CI.Hooks: " Patchwork
2025-03-21 15:23 ` ✓ CI.checksparse: " Patchwork
2025-03-21 15:44 ` ✓ Xe.CI.BAT: " Patchwork
2025-03-21 17:05 ` ✗ Xe.CI.Full: failure " Patchwork

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