[PATCH 00/13] drm/i915/psr: Restore HSW/BDW PSR1

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Fix all the obvious issues affecting HSW/BDW PSR1 and
restore it back to life.

The PC8+ vs. init_clock_gating() problem also affects
some non-PSR workarounds as well.

Ville Syrjälä (13):
  drm/i915: Re-init clock gating on coming out of PC8+
  drm/i915/psr: Fix BDW PSR AUX CH data register offsets
  drm/i915/psr: Wrap PSR1 register with functions
  drm/i915/psr: Reintroduce HSW PSR1 registers
  drm/i915/psr: Bring back HSW/BDW PSR AUX CH registers/setup
  drm/i915/psr: HSW/BDW have no PSR2
  drm/i915/psr: Restore PSR interrupt handler for HSW
  drm/i915/psr: Implement WaPsrDPAMaskVBlankInSRD:hsw
  drm/i915/psr: Implement WaPsrDPRSUnmaskVBlankInSRD:hsw
  drm/i915/psr: Do no mask display register writes on hsw/bdw
  drm/i915/psr: Don't skip both TP1 and TP2/3 on hsw/bdw
  drm/i915/psr: Allow PSR with sprite enabled on hsw/bdw
  drm/i915/psr: Re-enable PSR1 on hdw/bdw

 drivers/gpu/drm/i915/display/intel_display.c  |   4 +
 .../drm/i915/display/intel_display_power.c    |   6 +-
 drivers/gpu/drm/i915/display/intel_dp_aux.c   |   2 +-
 drivers/gpu/drm/i915/display/intel_dp_aux.h   |   4 +
 drivers/gpu/drm/i915/display/intel_psr.c      | 195 ++++++++++++++----
 drivers/gpu/drm/i915/display/intel_psr_regs.h |  17 +-
 drivers/gpu/drm/i915/i915_irq.c               |  14 ++
 drivers/gpu/drm/i915/i915_pci.c               |   4 +-
 drivers/gpu/drm/i915/intel_clock_gating.c     |  11 +
 9 files changed, 214 insertions(+), 43 deletions(-)

-- 
2.39.2




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