Roman Li
ab892598d0
drm/amd/display: fix brightness level after resume from suspend
...
Adding missing call to cache current backlight values.
Otherwise the brightness resets to default value on resume.
Signed-off-by: Roman Li <Roman.Li@amd.com >
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com >
Acked-by: Harry Wentland <harry.wentland@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
2018-05-15 13:43:22 -05:00
Charlene Liu
78d5d04d11
drm/amd/display: add delay between panel pwr off to on.
...
As per eDP 1.4 spec, there must be at least 500ms delay
between eDP power off and on.
This change added time stamp when edp power off, which can
be used to calculate duration time when edp power on.
If duration less than 500ms, add a wait.
Signed-off-by: Charlene Liu <charlene.liu@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 >
2018-04-11 13:08:06 -05:00
John Barberiz
11fffe45b7
drm/amd/display: Add passive dongle support for HPD Rearch
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Add HPD delay timer support to
1. Single/dual link DVI.
2. DP to HDMI passive dongle
3. DP to DVI passive dongle.
Signed-off-by: John Barberiz <jbarberi@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 >
2018-03-05 15:33:02 -05:00
John Barberiz
9a6995ce9b
drm/amd/display: Rearchitecture HDMI HPD
...
- Disabled HPD filter and used HPD software timer instead
- Allows DM to disable HPD filtering
Signed-off-by: John Barberiz <jbarberi@amd.com >
Reviewed-by: Jun Lei <Jun.Lei@amd.com >
Acked-by: Harry Wentland <harry.wentland@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
2018-02-19 14:19:57 -05:00
Harry Wentland
2e5fa5ba50
drm/amd/display: Move dc_link interface to separate header
...
Signed-off-by: Harry Wentland <harry.wentland@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 >
2017-12-06 12:47:44 -05:00