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From db479c067d445baf2bc604756572919d4ee766aa Mon Sep 17 00:00:00 2001
From: Yintian Tao <yttao@amd.com>
Date: Thu, 4 Jan 2018 11:45:23 +0800
Subject: [PATCH 3073/4131] drm/amd/powerplay: fix memory leakage when reload
add smu_free_memory when smu fini to prevent memory leakage
Change-Id: I61986d42fbf7f445f599559ecc2b4b09ab446871
Signed-off-by: Yintian Tao <yttao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
index cb95e88..7dc4cee 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
@@ -648,6 +648,12 @@ int smu7_init(struct pp_hwmgr *hwmgr)
int smu7_smu_fini(struct pp_hwmgr *hwmgr)
{
+ struct smu7_smumgr smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
+
+ smu_free_memory(hwmgr->device, smu_data->header_buffer.handle);
+ if (!cgs_is_virtualization_enabled(hwmgr->device))
+ smu_free_memory(hwmgr->device, smu_data->smu_buffer.handle);
+
kfree(hwmgr->smu_backend);
hwmgr->smu_backend = NULL;
cgs_rel_firmware(hwmgr->device, CGS_UCODE_ID_SMU);
--
2.7.4
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