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