[PATCH 4.15 0/4] Backport DC commits to fix display corruption

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From: Carlo Caione <carlo@xxxxxxxxxxxx>

Hi,
on several laptops [0] we are seeing display corruption when using multiple /
external displays. We already opened an issue upstream [1].
The following 4 patches are taken from agd5f/amd-staging-drm-next and they seem
able to solve the issue.
Can those be included in 4.15?

Thank you,

[0] Acer Aspire E5-553G (AMD FX-9800P RADEON R7)
    Acer Aspire E5-523G (AMD E2-9010 RADEON R2)
    Acer Aspire A315-21 (AMD A4-9120 RADEON R3)
    Acer Aspire A515-41G (AMD A10-9620 RADEON R5)

[1] https://bugs.freedesktop.org/show_bug.cgi?id=104319

Harry Wentland (1):
  drm/amd/display: Both timing_sync and multisync need stream_count > 1

Leo (Sunpeng) Li (1):
  drm/amd/display: Change frontend/backend programming sequence

Mikita Lipski (2):
  drm/amd/display: Adding DCN1 registers
  drm/amd/display: Multi display synchronization logic

 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c  |  54 ++++-
 drivers/gpu/drm/amd/display/dc/core/dc.c           |  60 ++++-
 drivers/gpu/drm/amd/display/dc/dc.h                |   3 +
 drivers/gpu/drm/amd/display/dc/dc_hw_types.h       |  16 ++
 .../amd/display/dc/dce110/dce110_hw_sequencer.c    |  46 +++-
 .../display/dc/dce110/dce110_timing_generator.c    | 265 +++++++++++++++++----
 .../display/dc/dce110/dce110_timing_generator.h    |   6 +
 .../drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c  |  29 ++-
 .../amd/display/dc/dcn10/dcn10_timing_generator.c  |  66 ++++-
 .../amd/display/dc/dcn10/dcn10_timing_generator.h  |  33 ++-
 .../drm/amd/display/dc/inc/hw/timing_generator.h   |   6 +-
 drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h  |   5 +
 12 files changed, 511 insertions(+), 78 deletions(-)

-- 
2.14.1

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