Completely remove the remaining custom i915_utils.h wait macro usage
from display code, and unify on the kernel generic poll_timeout_us()
poll waiter. Also convert existing read_poll_timeout() and
readx_poll_timeout() to poll_timeout_us().

This is a rewrite of [1] switching to the new poll_timeout_us() instead
of read_poll_timeout().

The main functional change is losing the exponentially growing sleep
from the custom macros. This is highlighted in each commit message with
details.


BR,
Jani.


[1] https://lore.kernel.org/r/cover.1751023767.git.jani.nik...@intel.com


Jani Nikula (20):
  drm/i915/hdmi: use generic poll_timeout_us() instead of __wait_for()
  drm/i915/hdcp: use generic poll_timeout_us() instead of __wait_for()
  drm/i915/hdcp: use generic poll_timeout_us() instead of wait_for()
  drm/i915/dsi: use generic poll_timeout_us() instead of wait_for_us()
  drm/i915/dsi-pll: use generic poll_timeout_us() instead of wait_for()
  drm/i915/gmbus: use generic poll_timeout*() instead of wait_for*()
  drm/i915/wm: use generic poll_timeout_us() instead of wait_for()
  drm/i915/cdclk: use generic poll_timeout_us() instead of wait_for()
  drm/i915/power: use generic poll_timeout_us() instead of wait_for()
  drm/i915/power-well: use generic poll_timeout_us() instead of
    wait_for() for DKL PHY
  drm/i915/power-well: use generic poll_timeout_us() instead of
    wait_for() for VLV/CHV
  drm/i915/dp: use generic poll_timeout_us() instead of wait_for()
  drm/i915/dp: use generic poll_timeout_us() instead of wait_for() in
    link training
  drm/i915/vblank: use generic poll_timeout_us() instead of wait_for()
  drm/i915/tc: use generic poll_timeout_us() instead of wait_for()
  drm/i915/dsb: use generic poll_timeout_us() instead of wait_for()
  drm/i915/lspcon: use generic poll_timeout_us() instead of wait_for()
  drm/i915/opregion: use generic poll_timeout_us() instead of wait_for()
  drm/i915/ddi: prefer poll_timeout_us() over readx_poll_timeout()
  drm/i915/pps: prefer poll_timeout_us() over read_poll_timeout()

 drivers/gpu/drm/i915/display/i9xx_wm.c        | 16 +++++--
 drivers/gpu/drm/i915/display/icl_dsi.c        | 18 ++++++--
 drivers/gpu/drm/i915/display/intel_cdclk.c    | 37 ++++++++--------
 drivers/gpu/drm/i915/display/intel_ddi.c      | 32 +++++---------
 .../drm/i915/display/intel_display_power.c    |  7 +++-
 .../i915/display/intel_display_power_well.c   | 42 +++++++++++--------
 drivers/gpu/drm/i915/display/intel_dp.c       | 21 +++++-----
 .../drm/i915/display/intel_dp_link_training.c | 17 ++++++--
 drivers/gpu/drm/i915/display/intel_dsb.c      | 10 ++++-
 drivers/gpu/drm/i915/display/intel_gmbus.c    | 13 +++---
 drivers/gpu/drm/i915/display/intel_hdcp.c     | 25 ++++++-----
 drivers/gpu/drm/i915/display/intel_hdmi.c     | 10 ++---
 drivers/gpu/drm/i915/display/intel_lspcon.c   | 13 ++++--
 drivers/gpu/drm/i915/display/intel_opregion.c | 10 +++--
 drivers/gpu/drm/i915/display/intel_pps.c      |  8 ++--
 drivers/gpu/drm/i915/display/intel_tc.c       | 16 ++++++-
 drivers/gpu/drm/i915/display/intel_vblank.c   |  9 +++-
 drivers/gpu/drm/i915/display/vlv_dsi_pll.c    | 11 +++--
 18 files changed, 193 insertions(+), 122 deletions(-)

-- 
2.47.2

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