[PATCH 2/2] drm/amdgpu: fix smu ucode memleak (v2)

[Alex Deucher]

From: Monk Liu <monk....@amd.com>

Properly release the smu ucode in powerplay.

v2: agd: add polaris as well

Signed-off-by: Monk Liu <Monk.Liu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c      | 2 ++
 drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c | 1 +
 drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c     | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c 
b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
index 0ac8642..8e52a2e 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
@@ -1014,6 +1014,8 @@ static int fiji_smu_fini(struct pp_smumgr *smumgr)
                kfree(smumgr->backend);
                smumgr->backend = NULL;
        }
+
+       cgs_rel_firmware(smumgr->device, CGS_UCODE_ID_SMU);
        return 0;
 }

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c 
b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index de618ea..043b6ac 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -469,6 +469,7 @@ int polaris10_smu_fini(struct pp_smumgr *smumgr)
                kfree(smumgr->backend);
                smumgr->backend = NULL;
        }
+       cgs_rel_firmware(smumgr->device, CGS_UCODE_ID_SMU);
        return 0;
 }

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c 
b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
index 70d3ecf..b22722e 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
@@ -337,6 +337,8 @@ static int tonga_smu_fini(struct pp_smumgr *smumgr)
                kfree(smumgr->backend);
                smumgr->backend = NULL;
        }
+
+       cgs_rel_firmware(smumgr->device, CGS_UCODE_ID_SMU);
        return 0;
 }

-- 
2.5.5