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| author | Cruise Hung <Cruise.Hung@amd.com> | 2022-05-13 09:16:42 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-21 08:49:15 -0400 |
| commit | b0dc10428460ac2408cf5f82fc3562e9e57324e1 (patch) | |
| tree | 66a17bf80936f340fe548d221fbbe8238eb76a56 /drivers/gpu/drm/amd/display/dmub/src | |
| parent | 4e7f84ec068cec6a9a72fe0f558e0ae4cf765c51 (diff) | |
| download | linux-b0dc10428460ac2408cf5f82fc3562e9e57324e1.tar.gz linux-b0dc10428460ac2408cf5f82fc3562e9e57324e1.tar.bz2 linux-b0dc10428460ac2408cf5f82fc3562e9e57324e1.zip | |
drm/amd/display: Reset OUTBOX0 r/w pointer on DMUB reset
[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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src')
| -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 568a2702d5f7..b45ac31ba555 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c @@ -126,6 +126,8 @@ 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); /* Clear the GPINT command manually so we don't reset again. */ |