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[0/5] drm/i915/icl: Fix combo PHY HW context loss

Message ID 20181102180706.16582-1-imre.deak@intel.com (mailing list archive)
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Series drm/i915/icl: Fix combo PHY HW context loss | expand

Message

Imre Deak Nov. 2, 2018, 6:07 p.m. UTC 
This patchset fixes an issue where DMC/PCODE doesn't retain the HW
context for the port B combo PHY as one would expect (and as it happens
correctly for the port A combo PHY).

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>

Imre Deak (5):
  drm/i915/icl: Fix combo PHY uninit
  drm/i915/cnl+: Move the combo PHY init/uninit code to a new file
  drm/i915/cnl+: Verify combo PHY HW state during PHY uninit
  drm/i915/icl: Skip init for an already enabled combo PHY
  drm/i915/icl: Fix port B combo PHY context loss after DC transitions

 drivers/gpu/drm/i915/Makefile           |   1 +
 drivers/gpu/drm/i915/i915_drv.h         |   6 +
 drivers/gpu/drm/i915/intel_combo_phy.c  | 264 ++++++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_runtime_pm.c | 131 ++--------------
 4 files changed, 287 insertions(+), 115 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/intel_combo_phy.c