[PATCH 2/2] drm/amd/powerplay: remove unused functions
From: Baoyou Xie
Date: Fri Sep 30 2016 - 05:59:15 EST
We get 10 warnings when building kernel with W=1:
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/cz_clockpowergating.c:65:6: warning: no previous prototype for 'cz_phm_is_safe_for_asic_block' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/cz_clockpowergating.c:71:5: warning: no previous prototype for 'cz_phm_enable_disable_gfx_power_gating' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/cz_clockpowergating.c:76:5: warning: no previous prototype for 'cz_phm_smu_power_up_down_pcie' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/cz_clockpowergating.c:82:5: warning: no previous prototype for 'cz_phm_initialize_display_phy_access' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/cz_clockpowergating.c:88:5: warning: no previous prototype for 'cz_phm_get_display_phy_access_info' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/cz_clockpowergating.c:94:5: warning: no previous prototype for 'cz_phm_gate_unused_display_phys' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/cz_clockpowergating.c:100:5: warning: no previous prototype for 'cz_phm_ungate_all_display_phys' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:1278:5: warning: no previous prototype for 'smu7_disable_dpm_tasks' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:1336:5: warning: no previous prototype for 'smu7_reset_asic_tasks' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../powerplay/eventmgr/eventtasks.c:322:5: warning: no previous prototype for 'pem_task_enable_clock_power_gating' [-Wmissing-prototypes]
In fact, these functions are called by no one and not exported,
so this patch removes them.
Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
---
.../gpu/drm/amd/powerplay/eventmgr/eventtasks.c | 7 -
.../drm/amd/powerplay/hwmgr/cz_clockpowergating.c | 42 -----
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 206 ---------------------
.../gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c | 59 ------
.../gpu/drm/amd/powerplay/hwmgr/smu7_powertune.h | 2 -
5 files changed, 316 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
index b6f45fd..03e5c02 100644
--- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
+++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
@@ -319,13 +319,6 @@ int pem_task_disable_cgpg(struct pp_eventmgr *eventmgr, struct pem_event_data *e
return 0;
}
-int pem_task_enable_clock_power_gating(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
-{
- /* TODO */
- return 0;
-}
-
-
int pem_task_enable_gfx_clock_gating(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
/* TODO */
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
index 2028980..0966fc8 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c
@@ -61,48 +61,6 @@ int cz_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock bloc
return ret;
}
-
-bool cz_phm_is_safe_for_asic_block(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, enum PHM_AsicBlock block)
-{
- return true;
-}
-
-
-int cz_phm_enable_disable_gfx_power_gating(struct pp_hwmgr *hwmgr, bool enable)
-{
- return 0;
-}
-
-int cz_phm_smu_power_up_down_pcie(struct pp_hwmgr *hwmgr, uint32_t target, bool up, uint32_t args)
-{
- /* TODO */
- return 0;
-}
-
-int cz_phm_initialize_display_phy_access(struct pp_hwmgr *hwmgr, bool initialize, bool accesshw)
-{
- /* TODO */
- return 0;
-}
-
-int cz_phm_get_display_phy_access_info(struct pp_hwmgr *hwmgr)
-{
- /* TODO */
- return 0;
-}
-
-int cz_phm_gate_unused_display_phys(struct pp_hwmgr *hwmgr)
-{
- /* TODO */
- return 0;
-}
-
-int cz_phm_ungate_all_display_phys(struct pp_hwmgr *hwmgr)
-{
- /* TODO */
- return 0;
-}
-
static int cz_tf_uvd_power_gating_initialize(struct pp_hwmgr *hwmgr, void *pInput, void *pOutput, void *pStorage, int Result)
{
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 649fdd3..1c85925 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -409,34 +409,6 @@ static int smu7_program_voting_clients(struct pp_hwmgr *hwmgr)
return 0;
}
-static int smu7_clear_voting_clients(struct pp_hwmgr *hwmgr)
-{
- /* Reset voting clients before disabling DPM */
- PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
- SCLK_PWRMGT_CNTL, RESET_SCLK_CNT, 1);
- PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
- SCLK_PWRMGT_CNTL, RESET_BUSY_CNT, 1);
-
- cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
- ixCG_FREQ_TRAN_VOTING_0, 0);
- cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
- ixCG_FREQ_TRAN_VOTING_1, 0);
- cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
- ixCG_FREQ_TRAN_VOTING_2, 0);
- cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
- ixCG_FREQ_TRAN_VOTING_3, 0);
- cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
- ixCG_FREQ_TRAN_VOTING_4, 0);
- cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
- ixCG_FREQ_TRAN_VOTING_5, 0);
- cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
- ixCG_FREQ_TRAN_VOTING_6, 0);
- cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
- ixCG_FREQ_TRAN_VOTING_7, 0);
-
- return 0;
-}
-
/* Copy one arb setting to another and then switch the active set.
* arb_src and arb_dest is one of the MC_CG_ARB_FREQ_Fx constants.
*/
@@ -486,11 +458,6 @@ static int smu7_copy_and_switch_arb_sets(struct pp_hwmgr *hwmgr,
return 0;
}
-static int smu7_reset_to_default(struct pp_hwmgr *hwmgr)
-{
- return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_ResetToDefaults);
-}
-
/**
* Initial switch from ARB F0->F1
*
@@ -504,21 +471,6 @@ static int smu7_initial_switch_from_arbf0_to_f1(struct pp_hwmgr *hwmgr)
MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
}
-static int smu7_force_switch_to_arbf0(struct pp_hwmgr *hwmgr)
-{
- uint32_t tmp;
-
- tmp = (cgs_read_ind_register(hwmgr->device,
- CGS_IND_REG__SMC, ixSMC_SCRATCH9) &
- 0x0000ff00) >> 8;
-
- if (tmp == MC_CG_ARB_FREQ_F0)
- return 0;
-
- return smu7_copy_and_switch_arb_sets(hwmgr,
- tmp, MC_CG_ARB_FREQ_F0);
-}
-
static int smu7_setup_default_pcie_table(struct pp_hwmgr *hwmgr)
{
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
@@ -873,16 +825,6 @@ static int smu7_enable_ulv(struct pp_hwmgr *hwmgr)
return 0;
}
-static int smu7_disable_ulv(struct pp_hwmgr *hwmgr)
-{
- struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
-
- if (data->ulv_supported)
- return smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_DisableULV);
-
- return 0;
-}
-
static int smu7_enable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr)
{
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
@@ -903,21 +845,6 @@ static int smu7_enable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr)
return 0;
}
-static int smu7_disable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr)
-{
- if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
- PHM_PlatformCaps_SclkDeepSleep)) {
- if (smum_send_msg_to_smc(hwmgr->smumgr,
- PPSMC_MSG_MASTER_DeepSleep_OFF)) {
- PP_ASSERT_WITH_CODE(false,
- "Attempt to disable Master Deep Sleep switch failed!",
- return -EINVAL);
- }
- }
-
- return 0;
-}
-
static int smu7_disable_handshake_uvd(struct pp_hwmgr *hwmgr)
{
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
@@ -1025,58 +952,6 @@ static int smu7_start_dpm(struct pp_hwmgr *hwmgr)
return 0;
}
-static int smu7_disable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
-{
- struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
-
- /* disable SCLK dpm */
- if (!data->sclk_dpm_key_disabled)
- PP_ASSERT_WITH_CODE(
- (smum_send_msg_to_smc(hwmgr->smumgr,
- PPSMC_MSG_DPM_Disable) == 0),
- "Failed to disable SCLK DPM!",
- return -EINVAL);
-
- /* disable MCLK dpm */
- if (!data->mclk_dpm_key_disabled) {
- PP_ASSERT_WITH_CODE(
- (smum_send_msg_to_smc(hwmgr->smumgr,
- PPSMC_MSG_MCLKDPM_Disable) == 0),
- "Failed to disable MCLK DPM!",
- return -EINVAL);
- }
-
- return 0;
-}
-
-static int smu7_stop_dpm(struct pp_hwmgr *hwmgr)
-{
- struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
-
- /* disable general power management */
- PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT,
- GLOBAL_PWRMGT_EN, 0);
- /* disable sclk deep sleep */
- PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL,
- DYNAMIC_PM_EN, 0);
-
- /* disable PCIE dpm */
- if (!data->pcie_dpm_key_disabled) {
- PP_ASSERT_WITH_CODE(
- (smum_send_msg_to_smc(hwmgr->smumgr,
- PPSMC_MSG_PCIeDPM_Disable) == 0),
- "Failed to disable pcie DPM during DPM Stop Function!",
- return -EINVAL);
- }
-
- if (smu7_disable_sclk_mclk_dpm(hwmgr)) {
- printk(KERN_ERR "Failed to disable Sclk DPM and Mclk DPM!");
- return -EINVAL;
- }
-
- return 0;
-}
-
static void smu7_set_dpm_event_sources(struct pp_hwmgr *hwmgr, uint32_t sources)
{
bool protection;
@@ -1134,23 +1009,6 @@ static int smu7_enable_thermal_auto_throttle(struct pp_hwmgr *hwmgr)
return smu7_enable_auto_throttle_source(hwmgr, PHM_AutoThrottleSource_Thermal);
}
-static int smu7_disable_auto_throttle_source(struct pp_hwmgr *hwmgr,
- PHM_AutoThrottleSource source)
-{
- struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
-
- if (data->active_auto_throttle_sources & (1 << source)) {
- data->active_auto_throttle_sources &= ~(1 << source);
- smu7_set_dpm_event_sources(hwmgr, data->active_auto_throttle_sources);
- }
- return 0;
-}
-
-static int smu7_disable_thermal_auto_throttle(struct pp_hwmgr *hwmgr)
-{
- return smu7_disable_auto_throttle_source(hwmgr, PHM_AutoThrottleSource_Thermal);
-}
-
static int smu7_pcie_performance_request(struct pp_hwmgr *hwmgr)
{
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
@@ -1275,70 +1133,6 @@ static int smu7_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
return 0;
}
-int smu7_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
-{
- int tmp_result, result = 0;
-
- tmp_result = (smum_is_dpm_running(hwmgr)) ? 0 : -1;
- PP_ASSERT_WITH_CODE(tmp_result == 0,
- "DPM is not running right now, no need to disable DPM!",
- return 0);
-
- if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
- PHM_PlatformCaps_ThermalController))
- PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
- GENERAL_PWRMGT, THERMAL_PROTECTION_DIS, 1);
-
- tmp_result = smu7_disable_power_containment(hwmgr);
- PP_ASSERT_WITH_CODE((tmp_result == 0),
- "Failed to disable power containment!", result = tmp_result);
-
- tmp_result = smu7_disable_smc_cac(hwmgr);
- PP_ASSERT_WITH_CODE((tmp_result == 0),
- "Failed to disable SMC CAC!", result = tmp_result);
-
- PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
- CG_SPLL_SPREAD_SPECTRUM, SSEN, 0);
- PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
- GENERAL_PWRMGT, DYN_SPREAD_SPECTRUM_EN, 0);
-
- tmp_result = smu7_disable_thermal_auto_throttle(hwmgr);
- PP_ASSERT_WITH_CODE((tmp_result == 0),
- "Failed to disable thermal auto throttle!", result = tmp_result);
-
- tmp_result = smu7_stop_dpm(hwmgr);
- PP_ASSERT_WITH_CODE((tmp_result == 0),
- "Failed to stop DPM!", result = tmp_result);
-
- tmp_result = smu7_disable_deep_sleep_master_switch(hwmgr);
- PP_ASSERT_WITH_CODE((tmp_result == 0),
- "Failed to disable deep sleep master switch!", result = tmp_result);
-
- tmp_result = smu7_disable_ulv(hwmgr);
- PP_ASSERT_WITH_CODE((tmp_result == 0),
- "Failed to disable ULV!", result = tmp_result);
-
- tmp_result = smu7_clear_voting_clients(hwmgr);
- PP_ASSERT_WITH_CODE((tmp_result == 0),
- "Failed to clear voting clients!", result = tmp_result);
-
- tmp_result = smu7_reset_to_default(hwmgr);
- PP_ASSERT_WITH_CODE((tmp_result == 0),
- "Failed to reset to default!", result = tmp_result);
-
- tmp_result = smu7_force_switch_to_arbf0(hwmgr);
- PP_ASSERT_WITH_CODE((tmp_result == 0),
- "Failed to force to switch arbf0!", result = tmp_result);
-
- return result;
-}
-
-int smu7_reset_asic_tasks(struct pp_hwmgr *hwmgr)
-{
-
- return 0;
-}
-
static void smu7_init_dpm_defaults(struct pp_hwmgr *hwmgr)
{
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
index 260fce050..77d79b4 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
@@ -575,23 +575,6 @@ int smu7_enable_smc_cac(struct pp_hwmgr *hwmgr)
return result;
}
-int smu7_disable_smc_cac(struct pp_hwmgr *hwmgr)
-{
- struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
- int result = 0;
-
- if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
- PHM_PlatformCaps_CAC) && data->cac_enabled) {
- int smc_result = smum_send_msg_to_smc(hwmgr->smumgr,
- (uint16_t)(PPSMC_MSG_DisableCac));
- PP_ASSERT_WITH_CODE((smc_result == 0),
- "Failed to disable CAC in SMC.", result = -1);
-
- data->cac_enabled = false;
- }
- return result;
-}
-
int smu7_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
{
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
@@ -657,48 +640,6 @@ int smu7_enable_power_containment(struct pp_hwmgr *hwmgr)
return result;
}
-int smu7_disable_power_containment(struct pp_hwmgr *hwmgr)
-{
- struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
- int result = 0;
-
- if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
- PHM_PlatformCaps_PowerContainment) &&
- data->power_containment_features) {
- int smc_result;
-
- if (data->power_containment_features &
- POWERCONTAINMENT_FEATURE_TDCLimit) {
- smc_result = smum_send_msg_to_smc(hwmgr->smumgr,
- (uint16_t)(PPSMC_MSG_TDCLimitDisable));
- PP_ASSERT_WITH_CODE((smc_result == 0),
- "Failed to disable TDCLimit in SMC.",
- result = smc_result);
- }
-
- if (data->power_containment_features &
- POWERCONTAINMENT_FEATURE_DTE) {
- smc_result = smum_send_msg_to_smc(hwmgr->smumgr,
- (uint16_t)(PPSMC_MSG_DisableDTE));
- PP_ASSERT_WITH_CODE((smc_result == 0),
- "Failed to disable DTE in SMC.",
- result = smc_result);
- }
-
- if (data->power_containment_features &
- POWERCONTAINMENT_FEATURE_PkgPwrLimit) {
- smc_result = smum_send_msg_to_smc(hwmgr->smumgr,
- (uint16_t)(PPSMC_MSG_PkgPwrLimitDisable));
- PP_ASSERT_WITH_CODE((smc_result == 0),
- "Failed to disable PkgPwrTracking in SMC.",
- result = smc_result);
- }
- data->power_containment_features = 0;
- }
-
- return result;
-}
-
int smu7_power_control_set_level(struct pp_hwmgr *hwmgr)
{
struct phm_ppt_v1_information *table_info =
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.h b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.h
index 22f86b6..e995fd3 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.h
@@ -51,9 +51,7 @@
int smu7_enable_smc_cac(struct pp_hwmgr *hwmgr);
-int smu7_disable_smc_cac(struct pp_hwmgr *hwmgr);
int smu7_enable_power_containment(struct pp_hwmgr *hwmgr);
-int smu7_disable_power_containment(struct pp_hwmgr *hwmgr);
int smu7_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n);
int smu7_power_control_set_level(struct pp_hwmgr *hwmgr);
int smu7_enable_didt_config(struct pp_hwmgr *hwmgr);
--
2.7.4