This is a note to let you know that I've just added the patch titled
drm/amd/powerplay: fix memory leakage when reload (v2)
to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: drm-amd-powerplay-fix-memory-leakage-when-reload-v2.patch and it can be found in the queue-4.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Mon Apr 9 10:16:32 CEST 2018
From: Yintian Tao yttao@amd.com Date: Thu, 4 Jan 2018 11:45:23 +0800 Subject: drm/amd/powerplay: fix memory leakage when reload (v2)
From: Yintian Tao yttao@amd.com
[ Upstream commit a25513e7b9b15c318ec44113682e988829aef746 ]
add smu_free_memory when smu fini to prevent memory leakage
v2: squash in typo fix (Yintian) and warning (Harry)
Signed-off-by: Yintian Tao yttao@amd.com Reviewed-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c | 6 ++++++ 1 file changed, 6 insertions(+)
--- 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, (void *) smu_data->header_buffer.handle); + if (!cgs_is_virtualization_enabled(hwmgr->device)) + smu_free_memory(hwmgr->device, (void *) smu_data->smu_buffer.handle); + kfree(hwmgr->smu_backend); hwmgr->smu_backend = NULL; cgs_rel_firmware(hwmgr->device, CGS_UCODE_ID_SMU);
Patches currently in stable-queue which might be from yttao@amd.com are
queue-4.15/drm-amd-powerplay-fix-memory-leakage-when-reload-v2.patch