________________________________
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Yintian Tao <yttao at amd.com>
Sent: Sunday, December 31, 2017 10:16 PM
To: amd-gfx at lists.freedesktop.org
Cc: Tao, Yintian
Subject: [PATCH] drm/amd/powerplay: fix memory leakage when reload
add smu_free_memory when smu fini to prevent memory leakage
Change-Id: Id9103d8b54869b63f22a9af53d9fbc3b7a221191
Signed-off-by: Yintian Tao <yttao at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Looks like vega10, cz, rv have the same issue can you send patches for them as well?
Thanks,
Alex
---
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 c49a6f2..925217e 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
@@ -607,6 +607,12 @@ int smu7_init(struct pp_smumgr *smumgr)
int smu7_smu_fini(struct pp_smumgr *smumgr)
{
+ struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(smumgr->backend);
+
+ smu_free_memory(smumgr->device, smu_data->header_buffer.handle);
+ if (!cgs_is_virtualization_enabled(smumgr->device))
+ smu_free_memory(smumgr->device, smu_data->smu_buffer.handle);
+
if (smumgr->backend) {
kfree(smumgr->backend);
smumgr->backend = NULL;
--
2.7.4
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