This is a note to let you know that I've just added the patch titled drm/amd/powerplay: fix memory leak in cz_hwmgr backend to the 4.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amd-powerplay-fix-memory-leak-in-cz_hwmgr-backend.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From b1e8b9c5b19c58e3159c2acc77167f4a4c74621f Mon Sep 17 00:00:00 2001 From: Hawking Zhang <Hawking.Zhang@xxxxxxx> Date: Tue, 6 Jun 2017 16:25:44 +0800 Subject: drm/amd/powerplay: fix memory leak in cz_hwmgr backend From: Hawking Zhang <Hawking.Zhang@xxxxxxx> commit b1e8b9c5b19c58e3159c2acc77167f4a4c74621f upstream. vddc_dep_on_dal_pwrl is allocated and initialized in cz_hwmgr_backend_init Thus free the memory in cz_hwmgr_backend_fini Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c @@ -1224,6 +1224,12 @@ static int cz_hwmgr_backend_fini(struct phm_destroy_table(hwmgr, &(hwmgr->disable_dynamic_state_management)); phm_destroy_table(hwmgr, &(hwmgr->power_down_asic)); phm_destroy_table(hwmgr, &(hwmgr->setup_asic)); + + if (NULL != hwmgr->dyn_state.vddc_dep_on_dal_pwrl) { + kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl); + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL; + } + kfree(hwmgr->backend); hwmgr->backend = NULL; } Patches currently in stable-queue which might be from Hawking.Zhang@xxxxxxx are queue-4.12/drm-amd-powerplay-fix-memory-leak-in-cz_hwmgr-backend.patch