[PATCH 0/3] Analogix DP fixes for Chromebook2 Peach-Pit (Exynos5420)

Marek Szyprowski m.szyprowski at samsung.com
Mon Mar 5 00:57:38 PST 2018


Last week I was asked to comment a patch "[PATCH v3 05/43] drm/bridge:
analogix_dp: Don't power bridge in analogix_dp_bind":

That patch does almost the opposite to my initial fix "[PATCH v2]
drm/bridge: analogix_dp: Keep PHY powered between driver bind/unbind":

I did some further investigation based on the proposed "[PATCH v3 00/43] DRM
Rockchip rk3399 (Kevin)" patchset:

Those patches seems to solve also some issues with analogix_dp driver on
Exynos5420 based Chromebook2 Peach-PIT board.

I didn't get any reply for my comments and unfortunately the mail of
Thierry Escande, who submitted that patchset is no longer valid, so I
decided to resend the minimal patchset that fixes the issue with
Chromebook2 Peach-Pit board, which was broken since v4.10 kernel release.

If possible, please apply them as fixes for v4.16-rc.

This patchset replaces my previous fix:

Best regards
Marek Szyprowski
Samsung R&D Institute Poland

Patch summary:

Marek Szyprowski (2):
  drm/bridge: analogix_dp: Postpone enabling runtime power management
  drm/bridge: analogix_dp: Don't create useless connectors

zain wang (1):
  drm/bridge: analogix_dp: Don't power bridge in analogix_dp_bind

 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 45 +++++++++-------------
 drivers/gpu/drm/exynos/exynos_dp.c                 |  1 +
 include/drm/bridge/analogix_dp.h                   |  1 +
 3 files changed, 21 insertions(+), 26 deletions(-)


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