On 1/21/2022 1:14 PM, Evan Quan wrote:
As it has exactly the same value as the 'enabled' member and also do
the same thing.


I believe the original intention is different. We need to cache the features which are really supported by PMFW on that device on init. When a request comes through sysfs node for enable/disable of a feature, we should check against this and disallow those which are not supported.

Thanks,
Lijo

Signed-off-by: Evan Quan <[email protected]>
Change-Id: I07c9a5ac5290cd0d88a40ce1768d393156419b5a
---
  drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c     |  1 -
  drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h |  1 -
  .../gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c   |  8 ++++----
  .../amd/pm/swsmu/smu11/sienna_cichlid_ppt.c   | 10 +++++-----
  .../gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c    | 19 ++++++++-----------
  .../gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c  |  5 +----
  .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c    |  5 +----
  .../drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c  |  3 ---
  drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c        | 17 -----------------
  drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h        |  3 ---
  10 files changed, 19 insertions(+), 53 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c 
b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 5ace30434e60..d3237b89f2c5 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -949,7 +949,6 @@ static int smu_sw_init(void *handle)
smu->pool_size = adev->pm.smu_prv_buffer_size;
        smu->smu_feature.feature_num = SMU_FEATURE_MAX;
-       bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
        bitmap_zero(smu->smu_feature.enabled, SMU_FEATURE_MAX);
        bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
index 18f24db7d202..3c0360772822 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -388,7 +388,6 @@ struct smu_power_context {
  struct smu_feature
  {
        uint32_t feature_num;
-       DECLARE_BITMAP(supported, SMU_FEATURE_MAX);
        DECLARE_BITMAP(allowed, SMU_FEATURE_MAX);
        DECLARE_BITMAP(enabled, SMU_FEATURE_MAX);
  };
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
index 84834c24a7e9..9fb290f9aaeb 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -1625,8 +1625,8 @@ static int navi10_display_config_changed(struct 
smu_context *smu)
        int ret = 0;
if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
-           smu_cmn_feature_is_supported(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) &&
-           smu_cmn_feature_is_supported(smu, SMU_FEATURE_DPM_SOCCLK_BIT)) {
+           smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) &&
+           smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_SOCCLK_BIT)) {
                ret = smu_cmn_send_smc_msg_with_param(smu, 
SMU_MSG_NumOfDisplays,
                                                  
smu->display_config->num_display,
                                                  NULL);
@@ -1864,13 +1864,13 @@ static int navi10_notify_smc_display_config(struct 
smu_context *smu)
        min_clocks.dcef_clock_in_sr = 
smu->display_config->min_dcef_deep_sleep_set_clk;
        min_clocks.memory_clock = smu->display_config->min_mem_set_clock;
- if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DPM_DCEFCLK_BIT)) {
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT)) {
                clock_req.clock_type = amd_pp_dcef_clock;
                clock_req.clock_freq_in_khz = min_clocks.dcef_clock * 10;
ret = smu_v11_0_display_clock_voltage_request(smu, &clock_req);
                if (!ret) {
-                       if (smu_cmn_feature_is_supported(smu, 
SMU_FEATURE_DS_DCEFCLK_BIT)) {
+                       if (smu_cmn_feature_is_enabled(smu, 
SMU_FEATURE_DS_DCEFCLK_BIT)) {
                                ret = smu_cmn_send_smc_msg_with_param(smu,
                                                                  
SMU_MSG_SetMinDeepSleepDcefclk,
                                                                  
min_clocks.dcef_clock_in_sr/100,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index 651fe748e423..d568d6137a00 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -1281,8 +1281,8 @@ static int sienna_cichlid_display_config_changed(struct 
smu_context *smu)
        int ret = 0;
if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
-           smu_cmn_feature_is_supported(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) &&
-           smu_cmn_feature_is_supported(smu, SMU_FEATURE_DPM_SOCCLK_BIT)) {
+           smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) &&
+           smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_SOCCLK_BIT)) {
  #if 0
                ret = smu_cmn_send_smc_msg_with_param(smu, 
SMU_MSG_NumOfDisplays,
                                                  
smu->display_config->num_display,
@@ -1521,13 +1521,13 @@ static int 
sienna_cichlid_notify_smc_display_config(struct smu_context *smu)
        min_clocks.dcef_clock_in_sr = 
smu->display_config->min_dcef_deep_sleep_set_clk;
        min_clocks.memory_clock = smu->display_config->min_mem_set_clock;
- if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DPM_DCEFCLK_BIT)) {
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT)) {
                clock_req.clock_type = amd_pp_dcef_clock;
                clock_req.clock_freq_in_khz = min_clocks.dcef_clock * 10;
ret = smu_v11_0_display_clock_voltage_request(smu, &clock_req);
                if (!ret) {
-                       if (smu_cmn_feature_is_supported(smu, 
SMU_FEATURE_DS_DCEFCLK_BIT)) {
+                       if (smu_cmn_feature_is_enabled(smu, 
SMU_FEATURE_DS_DCEFCLK_BIT)) {
                                ret = smu_cmn_send_smc_msg_with_param(smu,
                                                                  
SMU_MSG_SetMinDeepSleepDcefclk,
                                                                  
min_clocks.dcef_clock_in_sr/100,
@@ -3752,7 +3752,7 @@ static int sienna_cichlid_gpo_control(struct smu_context 
*smu,
        int ret = 0;
- if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DPM_GFX_GPO_BIT)) {
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_GFX_GPO_BIT)) {
                ret = smu_cmn_get_smc_version(smu, NULL, &smu_version);
                if (ret)
                        return ret;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
index b58a4c2823c2..b69c2ecc8e25 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
@@ -808,7 +808,6 @@ int smu_v11_0_system_features_control(struct smu_context 
*smu,
                return ret;
bitmap_zero(feature->enabled, feature->feature_num);
-       bitmap_zero(feature->supported, feature->feature_num);
if (en) {
                ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
@@ -817,8 +816,6 @@ int smu_v11_0_system_features_control(struct smu_context 
*smu,
bitmap_copy(feature->enabled, (unsigned long *)&feature_mask,
                            feature->feature_num);
-               bitmap_copy(feature->supported, (unsigned long *)&feature_mask,
-                           feature->feature_num);
        }
return ret;
@@ -1186,7 +1183,7 @@ smu_v11_0_auto_fan_control(struct smu_context *smu, bool 
auto_fan_control)
  {
        int ret = 0;
- if (!smu_cmn_feature_is_supported(smu, SMU_FEATURE_FAN_CONTROL_BIT))
+       if (!smu_cmn_feature_is_enabled(smu, SMU_FEATURE_FAN_CONTROL_BIT))
                return 0;
ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_FAN_CONTROL_BIT, auto_fan_control);
@@ -1607,7 +1604,7 @@ bool smu_v11_0_baco_is_support(struct smu_context *smu)
                return false;
/* Arcturus does not support this bit mask */
-       if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_BACO_BIT) &&
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT) &&
           !smu_cmn_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT))
                return false;
@@ -2150,7 +2147,7 @@ int smu_v11_0_gfx_ulv_control(struct smu_context *smu,
  {
        int ret = 0;
- if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_GFX_ULV_BIT))
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_GFX_ULV_BIT))
                ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_GFX_ULV_BIT, 
enablement);
return ret;
@@ -2162,7 +2159,7 @@ int smu_v11_0_deep_sleep_control(struct smu_context *smu,
        struct amdgpu_device *adev = smu->adev;
        int ret = 0;
- if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_GFXCLK_BIT)) {
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DS_GFXCLK_BIT)) {
                ret = smu_cmn_feature_set_enabled(smu, 
SMU_FEATURE_DS_GFXCLK_BIT, enablement);
                if (ret) {
                        dev_err(adev->dev, "Failed to %s GFXCLK DS!\n", enablement ? 
"enable" : "disable");
@@ -2170,7 +2167,7 @@ int smu_v11_0_deep_sleep_control(struct smu_context *smu,
                }
        }
- if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_UCLK_BIT)) {
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DS_UCLK_BIT)) {
                ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_DS_UCLK_BIT, 
enablement);
                if (ret) {
                        dev_err(adev->dev, "Failed to %s UCLK DS!\n", enablement ? 
"enable" : "disable");
@@ -2178,7 +2175,7 @@ int smu_v11_0_deep_sleep_control(struct smu_context *smu,
                }
        }
- if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_FCLK_BIT)) {
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DS_FCLK_BIT)) {
                ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_DS_FCLK_BIT, 
enablement);
                if (ret) {
                        dev_err(adev->dev, "Failed to %s FCLK DS!\n", enablement ? 
"enable" : "disable");
@@ -2186,7 +2183,7 @@ int smu_v11_0_deep_sleep_control(struct smu_context *smu,
                }
        }
- if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_SOCCLK_BIT)) {
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DS_SOCCLK_BIT)) {
                ret = smu_cmn_feature_set_enabled(smu, 
SMU_FEATURE_DS_SOCCLK_BIT, enablement);
                if (ret) {
                        dev_err(adev->dev, "Failed to %s SOCCLK DS!\n", enablement ? 
"enable" : "disable");
@@ -2194,7 +2191,7 @@ int smu_v11_0_deep_sleep_control(struct smu_context *smu,
                }
        }
- if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_LCLK_BIT)) {
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DS_LCLK_BIT)) {
                ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_DS_LCLK_BIT, 
enablement);
                if (ret) {
                        dev_err(adev->dev, "Failed to %s LCLK DS!\n", enablement ? 
"enable" : "disable");
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
index b4a3c9b8b54e..e72831aa4859 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
@@ -1960,7 +1960,6 @@ static int vangogh_system_features_control(struct 
smu_context *smu, bool en)
                                                      RLC_STATUS_OFF, NULL);
bitmap_zero(feature->enabled, feature->feature_num);
-       bitmap_zero(feature->supported, feature->feature_num);
if (!en)
                return ret;
@@ -1971,8 +1970,6 @@ static int vangogh_system_features_control(struct 
smu_context *smu, bool en)
bitmap_copy(feature->enabled, (unsigned long *)&feature_mask,
                    feature->feature_num);
-       bitmap_copy(feature->supported, (unsigned long *)&feature_mask,
-                   feature->feature_num);
return 0;
  }
@@ -1989,7 +1986,7 @@ static int vangogh_post_smu_init(struct smu_context *smu)
                adev->gfx.config.max_sh_per_se * 
adev->gfx.config.max_shader_engines;
/* allow message will be sent after enable message on Vangogh*/
-       if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DPM_GFXCLK_BIT) &&
+       if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_GFXCLK_BIT) &&
                        (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG)) {
                ret = smu_cmn_send_smc_msg(smu, SMU_MSG_EnableGfxOff, NULL);
                if (ret) {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index 1754a3720179..c5d354175675 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -774,7 +774,6 @@ int smu_v13_0_system_features_control(struct smu_context 
*smu,
                return ret;
bitmap_zero(feature->enabled, feature->feature_num);
-       bitmap_zero(feature->supported, feature->feature_num);
if (en) {
                ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
@@ -783,8 +782,6 @@ int smu_v13_0_system_features_control(struct smu_context 
*smu,
bitmap_copy(feature->enabled, (unsigned long *)&feature_mask,
                            feature->feature_num);
-               bitmap_copy(feature->supported, (unsigned long *)&feature_mask,
-                           feature->feature_num);
        }
return ret;
@@ -1071,7 +1068,7 @@ smu_v13_0_auto_fan_control(struct smu_context *smu, bool 
auto_fan_control)
  {
        int ret = 0;
- if (!smu_cmn_feature_is_supported(smu, SMU_FEATURE_FAN_CONTROL_BIT))
+       if (!smu_cmn_feature_is_enabled(smu, SMU_FEATURE_FAN_CONTROL_BIT))
                return 0;
ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_FAN_CONTROL_BIT, auto_fan_control);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
index f425827e2361..e9172622c0c4 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
@@ -204,7 +204,6 @@ static int yellow_carp_system_features_control(struct 
smu_context *smu, bool en)
                ret = smu_cmn_send_smc_msg(smu, SMU_MSG_PrepareMp1ForUnload, 
NULL);
bitmap_zero(feature->enabled, feature->feature_num);
-       bitmap_zero(feature->supported, feature->feature_num);
if (!en)
                return ret;
@@ -215,8 +214,6 @@ static int yellow_carp_system_features_control(struct 
smu_context *smu, bool en)
bitmap_copy(feature->enabled, (unsigned long *)&feature_mask,
                    feature->feature_num);
-       bitmap_copy(feature->supported, (unsigned long *)&feature_mask,
-                   feature->feature_num);
return 0;
  }
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index 50164ebed1cd..49bcabe9d708 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -476,23 +476,6 @@ int smu_cmn_to_asic_specific_index(struct smu_context *smu,
        }
  }
-int smu_cmn_feature_is_supported(struct smu_context *smu,
-                                enum smu_feature_mask mask)
-{
-       struct smu_feature *feature = &smu->smu_feature;
-       int feature_id;
-
-       feature_id = smu_cmn_to_asic_specific_index(smu,
-                                                   CMN2ASIC_MAPPING_FEATURE,
-                                                   mask);
-       if (feature_id < 0)
-               return 0;
-
-       WARN_ON(feature_id > feature->feature_num);
-
-       return test_bit(feature_id, feature->supported);
-}
-
  int smu_cmn_feature_is_enabled(struct smu_context *smu,
                               enum smu_feature_mask mask)
  {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h 
b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
index 4e34c18c6063..19919182260a 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
@@ -48,9 +48,6 @@ int smu_cmn_to_asic_specific_index(struct smu_context *smu,
                                   enum smu_cmn2asic_mapping_type type,
                                   uint32_t index);
-int smu_cmn_feature_is_supported(struct smu_context *smu,
-                                enum smu_feature_mask mask);
-
  int smu_cmn_feature_is_enabled(struct smu_context *smu,
                               enum smu_feature_mask mask);

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