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From: Jani Nikula <jani.nikula@intel.com>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Cc: jani.nikula@intel.com
Subject: [PATCH 00/11] drm/i915/display: switch to modern drm_dp_dpcd* accessors
Date: Wed, 16 Sep 2026 11:29:31 +0300	[thread overview]
Message-ID: <cover.1789547331.git.jani.nikula@intel.com> (raw)

Switch to the modern DPCD access functions that return negative error
codes on errors, -EIO for incomplete access, and 0 on success.

Jani Nikula (11):
  drm/i915/lspcon: use u8 variable to hold 1-byte DPCD reads
  drm/i915/lspcon: switch to
    drm_dp_dpcd_{read_byte,write_byte,write_data}
  drm/i915/alpm: switch to drm_dp_dpcd_{read_byte,write_byte}
  drm/i915/ddi: switch to drm_dp_dpcd_write_byte()
  drm/i915/lspcon: switch to
    drm_dp_dpcd_{read_byte,read_data,write_byte,write_data}()
  drm/i915/dp: switch to
    drm_dp_dpcd_{read_byte,read_data,write_byte,write_data}
  drm/i915/hdcp: switch to
    drm_dp_dpcd_{read_byte,read_data,write_data}()
  drm/i915/dp: switch link training to
    drm_dp_dpcd_{read_byte,read_data,write_byte,write_data}()
  drm/i915/dp-mst: switch to drm_dp_dpcd_read_byte()
  drm/i915/dp-test: switch to
    drm_dp_dpcd_{read_byte,read_data,write_byte,write_data}()
  drm/i915/psr: switch to
    drm_dp_dpcd_{read_byte,read_data,write_byte,write_data}()

 drivers/gpu/drm/i915/display/intel_alpm.c     |  10 +-
 drivers/gpu/drm/i915/display/intel_ddi.c      |  16 +-
 drivers/gpu/drm/i915/display/intel_dp.c       | 142 ++++++++------
 .../drm/i915/display/intel_dp_aux_backlight.c |  51 +++---
 drivers/gpu/drm/i915/display/intel_dp_hdcp.c  | 173 +++++++++---------
 .../drm/i915/display/intel_dp_link_training.c |  48 ++---
 drivers/gpu/drm/i915/display/intel_dp_mst.c   |   2 +-
 drivers/gpu/drm/i915/display/intel_dp_test.c  |  57 +++---
 drivers/gpu/drm/i915/display/intel_lspcon.c   |  48 +++--
 drivers/gpu/drm/i915/display/intel_psr.c      |  65 +++----
 10 files changed, 326 insertions(+), 286 deletions(-)

-- 
2.47.3


             reply	other threads:[~2026-09-16  8:29 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-16  8:29 Jani Nikula [this message]
2026-09-16  8:29 ` [PATCH 01/11] drm/i915/lspcon: use u8 variable to hold 1-byte DPCD reads Jani Nikula
2026-09-16  9:14   ` Kandpal, Suraj
2026-09-16  8:29 ` [PATCH 02/11] drm/i915/lspcon: switch to drm_dp_dpcd_{read_byte, write_byte, write_data} Jani Nikula
2026-09-16  9:16   ` Kandpal, Suraj
2026-09-17 12:03     ` Jani Nikula
2026-09-18  3:02       ` Kandpal, Suraj
2026-09-16  8:29 ` [PATCH 03/11] drm/i915/alpm: switch to drm_dp_dpcd_{read_byte, write_byte} Jani Nikula
2026-09-16  9:17   ` Kandpal, Suraj
2026-09-18  3:04     ` Kandpal, Suraj
2026-09-16  8:29 ` [PATCH 04/11] drm/i915/ddi: switch to drm_dp_dpcd_write_byte() Jani Nikula
2026-09-18  3:05   ` Kandpal, Suraj
2026-09-16  8:29 ` [PATCH 05/11] drm/i915/lspcon: switch to drm_dp_dpcd_{read_byte, read_data, write_byte, write_data}() Jani Nikula
2026-09-18  3:08   ` Kandpal, Suraj
2026-09-16  8:29 ` [PATCH 06/11] drm/i915/dp: switch to drm_dp_dpcd_{read_byte, read_data, write_byte, write_data} Jani Nikula
2026-09-18  3:09   ` Kandpal, Suraj
2026-09-16  8:29 ` [PATCH 07/11] drm/i915/hdcp: switch to drm_dp_dpcd_{read_byte, read_data, write_data}() Jani Nikula
2026-09-16  8:35   ` sashiko-bot
2026-09-18  3:36     ` Kandpal, Suraj
2026-09-21  9:41   ` [PATCH v2] " Jani Nikula
2026-09-22 12:03     ` [PATCH v2] drm/i915/hdcp: switch to drm_dp_dpcd_{read_byte,read_data,write_data}() Kandpal, Suraj
2026-09-22 13:43       ` Jani Nikula
2026-09-16  8:29 ` [PATCH 08/11] drm/i915/dp: switch link training to drm_dp_dpcd_{read_byte, read_data, write_byte, write_data}() Jani Nikula
2026-09-18  3:38   ` Kandpal, Suraj
2026-09-16  8:29 ` [PATCH 09/11] drm/i915/dp-mst: switch to drm_dp_dpcd_read_byte() Jani Nikula
2026-09-16  9:29   ` Kandpal, Suraj
2026-09-16  8:29 ` [PATCH 10/11] drm/i915/dp-test: switch to drm_dp_dpcd_{read_byte, read_data, write_byte, write_data}() Jani Nikula
2026-09-18  3:38   ` Kandpal, Suraj
2026-09-16  8:29 ` [PATCH 11/11] drm/i915/psr: " Jani Nikula
2026-09-16  9:30   ` Kandpal, Suraj
2026-09-16  8:37 ` ✗ CI.checkpatch: warning for drm/i915/display: switch to modern drm_dp_dpcd* accessors Patchwork
2026-09-16  8:39 ` ✓ CI.KUnit: success " Patchwork
2026-09-16  9:19 ` ✓ Xe.CI.BAT: " Patchwork
2026-09-16  9:44 ` ✓ i915.CI.BAT: " Patchwork
2026-09-16 10:51 ` ✗ Xe.CI.FULL: failure " Patchwork
2026-09-16 14:26 ` ✓ i915.CI.Full: success " Patchwork
2026-09-21 11:12 ` ✗ CI.checkpatch: warning for drm/i915/display: switch to modern drm_dp_dpcd* accessors (rev2) Patchwork
2026-09-21 11:14 ` ✓ CI.KUnit: success " Patchwork
2026-09-21 12:45 ` ✗ Xe.CI.BAT: failure " Patchwork
2026-09-21 13:10 ` ✓ i915.CI.BAT: success " Patchwork
2026-09-21 16:23 ` ✗ Xe.CI.FULL: failure " Patchwork
2026-09-21 17:24 ` ✗ i915.CI.Full: " Patchwork

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