From 219097df0f9d47fd882791144c60f3155750a6a7 Mon Sep 17 00:00:00 2001 From: SivapiriyanKumarasamy Date: Wed, 15 Aug 2018 16:55:18 -0400 Subject: [PATCH] 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 Reviewed-by: Aric Cyr Acked-by: Leo Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 309059871706..9d8dc2c1ca65 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -772,8 +772,12 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason) * fail-safe mode */ 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; + } default: break; } -- 2.30.2