From: Eric Yang <[email protected]> On boot, hubp 0 is powergated during enable accel mode, so we time out when we try to blank in undo wa.
Fix: Check power gate status before set blank Change-Id: Ia14455722e5a8b6136d47083f1986827ed07175a Signed-off-by: Eric Yang <[email protected]> Reviewed-by: Hersen Wu <[email protected]> Acked-by: Harry Wentland <[email protected]> --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 71ff1cedbdf4..7ea274475598 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -780,6 +780,12 @@ static void undo_DEGVIDCN10_253_wa(struct dc *dc) { struct dce_hwseq *hws = dc->hwseq; struct mem_input *mi = dc->res_pool->mis[0]; + int pwr_status = 0; + + REG_GET(DOMAIN0_PG_STATUS, DOMAIN0_PGFSM_PWR_STATUS, &pwr_status); + /* Don't need to blank if hubp is power gated*/ + if (pwr_status == 2) + return; mi->funcs->set_blank(mi, true); -- 2.11.0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
