]> git.baikalelectronics.ru Git - kernel.git/commit
drm/amd/display: Keep eDP stream enabled during boot.
authorYongqiang Sun <yongqiang.sun@amd.com>
Fri, 2 Feb 2018 22:35:00 +0000 (17:35 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 19 Feb 2018 19:20:03 +0000 (14:20 -0500)
commit308b7e06e071da0129673e746a0389eff64b5e1a
treeb8624beb1acc57e74b6424b63cfc2675bae43bc7
parentb625e6f312c7f868349f52b7fd24456e027227f8
drm/amd/display: Keep eDP stream enabled during boot.

This path fixed specific eDP panel cold boot black screen
due to unnecessary enable link.
Change:
In case of boot up with eDP, if OS is going to set mode
on eDP, keep eDP light up, do not disable and reset corresponding
HW.
This change may affect dce asics and S3/S4 Resume with multi-monitor.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/core/dc_link.c
drivers/gpu/drm/amd/display/dc/dc.h
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c