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| author | Yongqiang Sun <yongqiang.sun@amd.com> | 2021-02-23 09:57:21 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-23 23:02:30 -0400 |
| commit | d829303c5b7249d1fe1d74b86d28289ce1b34a50 (patch) | |
| tree | d6f73b0ef4f46872dc138785a791b1086cdf11d3 /drivers/gpu/drm/amd/display/dmub/src | |
| parent | 6b66208f0ce031c52afc13d80613e9218c8fe7d3 (diff) | |
| download | linux-d829303c5b7249d1fe1d74b86d28289ce1b34a50.tar.gz linux-d829303c5b7249d1fe1d74b86d28289ce1b34a50.tar.bz2 linux-d829303c5b7249d1fe1d74b86d28289ce1b34a50.zip | |
drm/amd/display: Fix dmub trace event not update issue
[Why & How]
Reference to read pointer which is incorrect.
Change to reference to write pointer.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Eryk Brol <eryk.brol@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_srv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index 55ee27defd0f..2522492dcd42 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -722,7 +722,7 @@ enum dmub_status dmub_srv_cmd_with_reply_data(struct dmub_srv *dmub, static inline void dmub_rb_out_trace_buffer_front(struct dmub_rb *rb, void *entry) { - const uint64_t *src = (const uint64_t *)(rb->base_address) + rb->rptr / sizeof(uint64_t); + const uint64_t *src = (const uint64_t *)(rb->base_address) + rb->wrpt / sizeof(uint64_t); uint64_t *dst = (uint64_t *)entry; uint8_t i; |