From: Yue Hin Lau <Yuehin.Lau@xxxxxxx> [WHY] PNP cause bsod regression fix [HOW] Add NULL check Signed-off-by: Yue Hin Lau <Yuehin.Lau at amd.com> Reviewed-by: Hugo Hu <Hugo.Hu at amd.com> Acked-by: Harry Wentland <harry.wentland at amd.com> --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) 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 0966d67df0c1..a964dd0cafa4 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 @@ -871,9 +871,11 @@ 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; + unsigned long long edp_poweroff_time_ms = 500; + if (link->local_sink != NULL) + 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 = edp_poweroff_time_ms; else if (duration_in_ms < edp_poweroff_time_ms) -- 2.17.1
