From: Rex Zhu Date: Wed, 28 Dec 2016 12:15:45 +0000 (+0800) Subject: drm/amd/powerplay: fix memory leak in smu7_hwmgr X-Git-Tag: v4.14-rc1~1422^2~31^2~83 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a0aa70463e49ed9069c402d7907bba892dd8ef7f;p=platform%2Fkernel%2Flinux-rpi3.git drm/amd/powerplay: fix memory leak in smu7_hwmgr add pp_smu7_thermal_fini function to free related data when smu7_hwmgr_fini. Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index f435874..b9d7451 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -625,21 +625,6 @@ int phm_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr return 0; } -int phm_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) -{ - 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; - } - - if (NULL != hwmgr->backend) { - kfree(hwmgr->backend); - hwmgr->backend = NULL; - } - - return 0; -} - uint32_t phm_get_lowest_enabled_level(struct pp_hwmgr *hwmgr, uint32_t mask) { uint32_t level = 0; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 8bd1e96..e0eef49 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -2269,6 +2269,21 @@ static int smu7_set_private_data_based_on_pptable_v0(struct pp_hwmgr *hwmgr) return 0; } +static int smu7_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) +{ + 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; + } + pp_smu7_thermal_fini(hwmgr); + if (NULL != hwmgr->backend) { + kfree(hwmgr->backend); + hwmgr->backend = NULL; + } + + return 0; +} + static int smu7_hwmgr_backend_init(struct pp_hwmgr *hwmgr) { struct smu7_hwmgr *data; @@ -2279,6 +2294,7 @@ static int smu7_hwmgr_backend_init(struct pp_hwmgr *hwmgr) return -ENOMEM; hwmgr->backend = data; + pp_smu7_thermal_initialize(hwmgr); smu7_patch_voltage_workaround(hwmgr); smu7_init_dpm_defaults(hwmgr); @@ -2336,7 +2352,7 @@ static int smu7_hwmgr_backend_init(struct pp_hwmgr *hwmgr) smu7_thermal_parameter_init(hwmgr); } else { /* Ignore return value in here, we are cleaning up a mess. */ - phm_hwmgr_backend_fini(hwmgr); + smu7_hwmgr_backend_fini(hwmgr); } return 0; @@ -4355,7 +4371,7 @@ static int smu7_release_firmware(struct pp_hwmgr *hwmgr) static const struct pp_hwmgr_func smu7_hwmgr_funcs = { .backend_init = &smu7_hwmgr_backend_init, - .backend_fini = &phm_hwmgr_backend_fini, + .backend_fini = &smu7_hwmgr_backend_fini, .asic_setup = &smu7_setup_asic_task, .dynamic_state_management_enable = &smu7_enable_dpm_tasks, .apply_state_adjust_rules = smu7_apply_state_adjust_rules, @@ -4431,7 +4447,6 @@ int smu7_hwmgr_init(struct pp_hwmgr *hwmgr) else if (hwmgr->pp_table_version == PP_TABLE_V1) hwmgr->pptable_func = &pptable_v1_0_funcs; - pp_smu7_thermal_initialize(hwmgr); return ret; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c index a0e4ade..436ca5c 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c @@ -575,3 +575,9 @@ int pp_smu7_thermal_initialize(struct pp_hwmgr *hwmgr) return result; } +void pp_smu7_thermal_fini(struct pp_hwmgr *hwmgr) +{ + phm_destroy_table(hwmgr, &(hwmgr->set_temperature_range)); + phm_destroy_table(hwmgr, &(hwmgr->start_thermal_controller)); + return; +} \ No newline at end of file diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.h b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.h index 6face97..2ed774d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.h @@ -47,6 +47,7 @@ extern int smu7_fan_ctrl_set_static_mode(struct pp_hwmgr *hwmgr, uint32_t mode); extern int smu7_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed); extern int smu7_fan_ctrl_reset_fan_speed_to_default(struct pp_hwmgr *hwmgr); extern int pp_smu7_thermal_initialize(struct pp_hwmgr *hwmgr); +extern void pp_smu7_thermal_fini(struct pp_hwmgr *hwmgr); extern int smu7_thermal_ctrl_uninitialize_thermal_controller(struct pp_hwmgr *hwmgr); extern int smu7_fan_ctrl_set_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t speed); extern int smu7_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed); diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index 072350b..c50e840 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -685,7 +685,6 @@ extern int phm_find_boot_level(void *table, uint32_t value, uint32_t *boot_level extern int phm_get_sclk_for_voltage_evv(struct pp_hwmgr *hwmgr, phm_ppt_v1_voltage_lookup_table *lookup_table, uint16_t virtual_voltage_id, int32_t *sclk); extern int phm_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr); -extern int phm_hwmgr_backend_fini(struct pp_hwmgr *hwmgr); extern uint32_t phm_get_lowest_enabled_level(struct pp_hwmgr *hwmgr, uint32_t mask); extern void phm_apply_dal_min_voltage_request(struct pp_hwmgr *hwmgr);