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drm/amd/display: Fix dmub trace event not update issue

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[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>
This commit is contained in:
Yongqiang Sun 2021-02-23 09:57:21 -05:00 committed by Alex Deucher
parent 6b66208f0c
commit d829303c5b
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
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@ -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;