diff options
| author | Cruise Hung <Cruise.Hung@amd.com> | 2022-05-13 09:16:42 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-17 13:58:42 +0200 |
| commit | dbf01b33a22ebfa2c944e5494002e5aedee2a378 (patch) | |
| tree | fcf21f4ef058f9bd867dff84d14fd96930631619 | |
| parent | 3cb162602e91ba0481e8d420a904653c30ce4b9e (diff) | |
drm/amd/display: Reset OUTBOX0 r/w pointer on DMUB reset
[ Upstream commit 425afa0ac99a05b39e6cd00704fa0e3e925cee2b ]
[Why & How]
We missed resetting OUTBOX0 mailbox r/w pointer on DMUB reset.
Fix it.
Fixes: 6ecf9773a503 ("drm/amd/display: Fix DMUB outbox trace in S4 (#4465)")
Signed-off-by: Cruise Hung <Cruise.Hung@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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c index a76da0131add..b0adbf783aae 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c @@ -130,6 +130,8 @@ void dmub_dcn32_reset(struct dmub_srv *dmub) REG_WRITE(DMCUB_INBOX1_WPTR, 0); REG_WRITE(DMCUB_OUTBOX1_RPTR, 0); REG_WRITE(DMCUB_OUTBOX1_WPTR, 0); + REG_WRITE(DMCUB_OUTBOX0_RPTR, 0); + REG_WRITE(DMCUB_OUTBOX0_WPTR, 0); REG_WRITE(DMCUB_SCRATCH0, 0); } |