[PATCH 12/15] drm/amd/display: Use hw lock mgr

Eryk Brol eryk.brol at amd.com
Fri Jul 24 21:06:15 UTC 2020


From: Wyatt Wood <wyatt.wood at amd.com>

[Why]
Feature requires synchronization of dig, pipe, and cursor locking
between driver and fw.

[How]
Set flag to force psr to use hw lock mgr.

Signed-off-by: Wyatt Wood <wyatt.wood at amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo at amd.com>
Acked-by: Eryk Brol <eryk.brol at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
index 82e67bd81f2d..5167d6b8a48d 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
@@ -233,8 +233,8 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub,
 	copy_settings_data->frame_cap_ind			= psr_context->psrFrameCaptureIndicationReq;
 	copy_settings_data->debug.bitfields.visual_confirm	= dc->dc->debug.visual_confirm == VISUAL_CONFIRM_PSR ?
 									true : false;
+	copy_settings_data->debug.bitfields.use_hw_lock_mgr	= 1;
 	copy_settings_data->init_sdp_deadline			= psr_context->sdpTransmitLineNumDeadline;
-	copy_settings_data->debug.bitfields.use_hw_lock_mgr	= 0;
 
 	dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
 	dc_dmub_srv_cmd_execute(dc->dmub_srv);
-- 
2.25.1



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