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drm/amd/display: Fix memory leak caused by missed dc_sink_release 

[Why]
There is currently an intermittent hang from a memory leak in
DTN stress testing. It is caused by unfreed memory during driver
disable.

[How]
Do a dc_sink_release in the case that skips it incorrectly.

Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
SivapiriyanKumarasamy 2018-08-15 16:55:18 -04:00 committed by Alex Deucher
parent 18e4aa33bd
commit 219097df0f
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/amd/display/dc/core/dc_link.c
View File

@ -772,8 +772,12 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
* fail-safe mode * fail-safe mode
*/ */
if (dc_is_hdmi_signal(link->connector_signal) || if (dc_is_hdmi_signal(link->connector_signal) ||
dc_is_dvi_signal(link->connector_signal)) dc_is_dvi_signal(link->connector_signal)) {
if (prev_sink != NULL)
dc_sink_release(prev_sink);
return false; return false;
}
default: default:
break; break;
} }