diff options
| author | Hugo Hu <hugo.hu@amd.com> | 2018-06-15 15:49:55 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-13 14:49:29 -0500 |
| commit | ff58798725ba9c747cd934e2623f7a0610b3f0dd (patch) | |
| tree | b69a54d636fe62f89685bf55b7c3b96f43c6577a /drivers/gpu/drm/amd/display | |
| parent | 39a9f4d89e123b62c8a5cc26696ea8afa98e0e88 (diff) | |
drm/amd/display: Patch for extend time to panel poweron.
[WHY]
In eDP spec, the min duration in LCDVDD on-off-on sequence should be
500ms, some BOE panels need 700ms to pass.
[HOW]
Add patch to wait more time when eDP power on.
Signed-off-by: Hugo Hu <hugo.hu@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>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_types.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 9 |
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index 03bf9eee9a04..8c6eb78b0c3b 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -192,6 +192,7 @@ union display_content_support { struct dc_panel_patch { unsigned int dppowerup_delay; + unsigned int extra_t12_ms; }; struct dc_edid_caps { diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 5b41cbe06f59..7227cfddb352 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -871,10 +871,13 @@ void hwss_edp_power_control( unsigned long long wait_time_ms = 0; /* max 500ms from LCDVDD off to on */ + unsigned long long edp_poweroff_time_ms = + 500 + link->local_sink->edid_caps.panel_patch.extra_t12_ms; + if (link->link_trace.time_stamp.edp_poweroff == 0) - wait_time_ms = 500; - else if (duration_in_ms < 500) - wait_time_ms = 500 - duration_in_ms; + wait_time_ms = edp_poweroff_time_ms; + else if (duration_in_ms < edp_poweroff_time_ms) + wait_time_ms = edp_poweroff_time_ms - duration_in_ms; if (wait_time_ms) { msleep(wait_time_ms); |