Commit 224d3df9 authored by Samson Tam's avatar Samson Tam Committed by Alex Deucher
Browse files

drm/amd/display: Clear GPINT1 before taking DMCUB out of reset 



[Why]
Workaround for DMCUB front door load

[How]
Clear GPINT after reset so its consistent

Signed-off-by: default avatarSamson Tam <Samson.Tam@amd.com>
Acked-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 79b6e265

drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c

+4 −4
Original line number Diff line number Diff line
@@ -116,10 +116,6 @@ void dmub_dcn32_reset(struct dmub_srv *dmub) 
				break;

		}



		/* Clear the GPINT command manually so we don't reset again. */

		cmd.all = 0;

		dmub->hw_funcs.set_gpint(dmub, cmd);



		/* Force reset in case we timed out, DMCUB is likely hung. */

	}
@@ -131,6 +127,10 @@ void dmub_dcn32_reset(struct dmub_srv *dmub) 
	REG_WRITE(DMCUB_OUTBOX1_RPTR, 0);

	REG_WRITE(DMCUB_OUTBOX1_WPTR, 0);

	REG_WRITE(DMCUB_SCRATCH0, 0);



	/* Clear the GPINT command manually so we don't reset again. */

	cmd.all = 0;

	dmub->hw_funcs.set_gpint(dmub, cmd);

}



void dmub_dcn32_reset_release(struct dmub_srv *dmub)