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

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[Why]
Workaround for DMCUB front door load

[How]
Clear GPINT after reset so its consistent

Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Samson Tam
2022-02-23 10:23:25 -05:00
committed by Alex Deucher
parent 79b6e265d9
commit 224d3df954
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c
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@@ -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)