Re: [PATCH -next] drm/amdgpu: Remove a lot of unnecessary ternary operators

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On 7/31/2023 8:26 AM, Ruan Jinjie wrote:
Ther are many ternary operators, the true or false judgement
of which is unnecessary in C language semantics.
s/Ther/There/

Unnecessary; sure.  But don't they improve the readability quite a bit?


Signed-off-by: Ruan Jinjie <ruanjinjie@xxxxxxxxxx>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c       |  2 +-
  drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c         |  2 +-
  drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c         |  2 +-
  drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c       |  2 +-
  drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c          |  2 +-
  drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c          |  2 +-
  drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c        |  2 +-
  .../drm/amd/display/dc/dce/dce_link_encoder.c  |  4 +---
  .../drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c    |  6 +++---
  .../amd/pm/powerplay/hwmgr/smu7_powertune.c    |  2 +-
  .../drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c  | 18 +++++++-----------
  .../amd/pm/powerplay/smumgr/polaris10_smumgr.c |  2 +-
  .../drm/amd/pm/powerplay/smumgr/vegam_smumgr.c |  7 +++----
  13 files changed, 23 insertions(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index b582b83c4984..38ccec913f00 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -460,7 +460,7 @@ bool amdgpu_get_bios(struct amdgpu_device *adev)
  	return false;
success:
-	adev->is_atom_fw = (adev->asic_type >= CHIP_VEGA10) ? true : false;
+	adev->is_atom_fw = adev->asic_type >= CHIP_VEGA10;
  	return true;
  }
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c
index 79791379fc2b..df4440c21bbf 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c
@@ -479,7 +479,7 @@ static int jpeg_v3_0_set_clockgating_state(void *handle,
  					  enum amd_clockgating_state state)
  {
  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
+	bool enable = state == AMD_CG_STATE_GATE;
if (enable) {
  		if (!jpeg_v3_0_is_idle(handle))
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
index a707d407fbd0..3eb3dcd56b57 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
@@ -626,7 +626,7 @@ static int jpeg_v4_0_set_clockgating_state(void *handle,
  					  enum amd_clockgating_state state)
  {
  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
+	bool enable = state == AMD_CG_STATE_GATE;
if (enable) {
  		if (!jpeg_v4_0_is_idle(handle))
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
index ce2b22f7e4e4..153731d6ce8b 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
@@ -785,7 +785,7 @@ static int jpeg_v4_0_3_set_clockgating_state(void *handle,
  					  enum amd_clockgating_state state)
  {
  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
+	bool enable = state == AMD_CG_STATE_GATE;
  	int i;
for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index b76ba21b5a89..9b662b105cc1 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -2095,7 +2095,7 @@ static int vcn_v3_0_set_clockgating_state(void *handle,
  					  enum amd_clockgating_state state)
  {
  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
+	bool enable = state == AMD_CG_STATE_GATE;
  	int i;
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index 6089c7deba8a..7c486745bece 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -1918,7 +1918,7 @@ static int vcn_v4_0_wait_for_idle(void *handle)
  static int vcn_v4_0_set_clockgating_state(void *handle, enum amd_clockgating_state state)
  {
  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
+	bool enable = state == AMD_CG_STATE_GATE;
  	int i;
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
index 550ac040b4be..e62472e6e7b3 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
@@ -1287,7 +1287,7 @@ static int vcn_v4_0_3_set_clockgating_state(void *handle,
  					  enum amd_clockgating_state state)
  {
  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
+	bool enable = state == AMD_CG_STATE_GATE;
  	int i;
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index fa314493ffc5..e4d65de2d0bb 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -941,9 +941,7 @@ bool dce110_link_encoder_validate_output_with_stream(
  	break;
  	case SIGNAL_TYPE_EDP:
  	case SIGNAL_TYPE_LVDS:
-		is_valid =
-			(stream->timing.
-				pixel_encoding == PIXEL_ENCODING_RGB) ? true : false;
+		is_valid = stream->timing.pixel_encoding == PIXEL_ENCODING_RGB;
  	break;
  	case SIGNAL_TYPE_VIRTUAL:
  		is_valid = true;
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
index 1cb402264497..8c73016d2d17 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
@@ -904,7 +904,7 @@ static int smu7_setup_dpm_tables_v1(struct pp_hwmgr *hwmgr)
  					dep_sclk_table->entries[i].clk;
data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].enabled =
-					(i == 0) ? true : false;
+					i == 0;
  			data->dpm_table.sclk_table.count++;
  		}
  	}
@@ -919,7 +919,7 @@ static int smu7_setup_dpm_tables_v1(struct pp_hwmgr *hwmgr)
  			data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].value =
  							dep_mclk_table->entries[i].clk;
  			data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].enabled =
-							(i == 0) ? true : false;
+							i == 0;
  			data->dpm_table.mclk_table.count++;
  		}
  	}
@@ -1833,7 +1833,7 @@ static void smu7_init_dpm_defaults(struct pp_hwmgr *hwmgr)
  	data->enable_tdc_limit_feature = true;
  	data->enable_pkg_pwr_tracking_feature = true;
  	data->force_pcie_gen = PP_PCIEGenInvalid;
-	data->ulv_supported = hwmgr->feature_mask & PP_ULV_MASK ? true : false;
+	data->ulv_supported = hwmgr->feature_mask & PP_ULV_MASK;
  	data->current_profile_setting.bupdate_sclk = 1;
  	data->current_profile_setting.sclk_up_hyst = 0;
  	data->current_profile_setting.sclk_down_hyst = 100;
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c
index 21be23ec3c79..d6eeef3c58f7 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_powertune.c
@@ -1103,7 +1103,7 @@ int smu7_enable_smc_cac(struct pp_hwmgr *hwmgr)
  		PP_ASSERT_WITH_CODE((0 == smc_result),
  				"Failed to enable CAC in SMC.", result = -1);
- data->cac_enabled = (0 == smc_result) ? true : false;
+		data->cac_enabled = smc_result == 0;
  	}
  	return result;
  }
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c
index c51dd4c74fe9..dfb9573e3f55 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c
@@ -135,13 +135,12 @@ static void vega10_set_default_registry_data(struct pp_hwmgr *hwmgr)
  	}
data->registry_data.clock_stretcher_support =
-			hwmgr->feature_mask & PP_CLOCK_STRETCH_MASK ? true : false;
+			hwmgr->feature_mask & PP_CLOCK_STRETCH_MASK;
- data->registry_data.ulv_support =
-			hwmgr->feature_mask & PP_ULV_MASK ? true : false;
+	data->registry_data.ulv_support = hwmgr->feature_mask & PP_ULV_MASK;
data->registry_data.sclk_deep_sleep_support =
-			hwmgr->feature_mask & PP_SCLK_DEEP_SLEEP_MASK ? true : false;
+			hwmgr->feature_mask & PP_SCLK_DEEP_SLEEP_MASK;
data->registry_data.disable_water_mark = 0; @@ -150,7 +149,7 @@ static void vega10_set_default_registry_data(struct pp_hwmgr *hwmgr)
  	data->registry_data.fw_ctf_enabled = 1;
data->registry_data.avfs_support =
-		hwmgr->feature_mask & PP_AVFS_MASK ? true : false;
+		hwmgr->feature_mask & PP_AVFS_MASK;
  	data->registry_data.led_dpm_enabled = 1;
data->registry_data.vr0hot_enabled = 1;
@@ -1375,8 +1374,7 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
  						dep_mm_table->entries[i].eclk) {
  			dpm_table->dpm_levels[dpm_table->count].value =
  					dep_mm_table->entries[i].eclk;
-			dpm_table->dpm_levels[dpm_table->count].enabled =
-					(i == 0) ? true : false;
+			dpm_table->dpm_levels[dpm_table->count].enabled = i == 0;
  			dpm_table->count++;
  		}
  	}
@@ -1391,8 +1389,7 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
  						dep_mm_table->entries[i].vclk) {
  			dpm_table->dpm_levels[dpm_table->count].value =
  					dep_mm_table->entries[i].vclk;
-			dpm_table->dpm_levels[dpm_table->count].enabled =
-					(i == 0) ? true : false;
+			dpm_table->dpm_levels[dpm_table->count].enabled = i == 0;
  			dpm_table->count++;
  		}
  	}
@@ -1405,8 +1402,7 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
  						dep_mm_table->entries[i].dclk) {
  			dpm_table->dpm_levels[dpm_table->count].value =
  					dep_mm_table->entries[i].dclk;
-			dpm_table->dpm_levels[dpm_table->count].enabled =
-					(i == 0) ? true : false;
+			dpm_table->dpm_levels[dpm_table->count].enabled = i == 0;
  			dpm_table->count++;
  		}
  	}
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c
index e7ed2a7adf8f..ff6b563ecbf5 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c
@@ -1888,7 +1888,7 @@ static int polaris10_populate_avfs_parameters(struct pp_hwmgr *hwmgr)
  						(avfs_params.ucEnableGB_VDROOP_TABLE_CKSOFF << BTCGB1_Vdroop_Enable_SHIFT) |
  						(avfs_params.ucEnableGB_FUSE_TABLE_CKSON << AVFSGB0_Vdroop_Enable_SHIFT) |
  						(avfs_params.ucEnableGB_FUSE_TABLE_CKSOFF << AVFSGB1_Vdroop_Enable_SHIFT);
-		data->apply_avfs_cks_off_voltage = (avfs_params.ucEnableApplyAVFS_CKS_OFF_Voltage == 1) ? true : false;
+		data->apply_avfs_cks_off_voltage = avfs_params.ucEnableApplyAVFS_CKS_OFF_Voltage == 1;
  	}
  	return result;
  }
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vegam_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vegam_smumgr.c
index 7d024d3facef..34c9f59b889a 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vegam_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vegam_smumgr.c
@@ -295,9 +295,8 @@ static int vegam_process_firmware_header(struct pp_hwmgr *hwmgr)
static bool vegam_is_dpm_running(struct pp_hwmgr *hwmgr)
  {
-	return (1 == PHM_READ_INDIRECT_FIELD(hwmgr->device,
-			CGS_IND_REG__SMC, FEATURE_STATUS, VOLTAGE_CONTROLLER_ON))
-			? true : false;
+	return 1 == PHM_READ_INDIRECT_FIELD(hwmgr->device,
+			CGS_IND_REG__SMC, FEATURE_STATUS, VOLTAGE_CONTROLLER_ON);
  }
static uint32_t vegam_get_mac_definition(uint32_t value)
@@ -1660,7 +1659,7 @@ static int vegam_populate_avfs_parameters(struct pp_hwmgr *hwmgr)
  				(avfs_params.ucEnableGB_FUSE_TABLE_CKSON << AVFSGB0_Vdroop_Enable_SHIFT) |
  				(avfs_params.ucEnableGB_FUSE_TABLE_CKSOFF << AVFSGB1_Vdroop_Enable_SHIFT);
  		data->apply_avfs_cks_off_voltage =
-				(avfs_params.ucEnableApplyAVFS_CKS_OFF_Voltage == 1) ? true : false;
+				avfs_params.ucEnableApplyAVFS_CKS_OFF_Voltage == 1;
  	}
  	return result;
  }



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