Re: [PATCH V2 05/17] drm/amd/pm: do not expose those APIs used internally only in si_dpm.c

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On 11/30/2021 1:12 PM, Evan Quan wrote:
Move them to si_dpm.c instead.

Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
Change-Id: I288205cfd7c6ba09cfb22626ff70360d61ff0c67
--
v1->v2:
   - rename the API with "si_" prefix(Alex)
---
  drivers/gpu/drm/amd/pm/amdgpu_dpm.c       | 25 -----------
  drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h   | 25 -----------
  drivers/gpu/drm/amd/pm/powerplay/si_dpm.c | 54 +++++++++++++++++++----
  drivers/gpu/drm/amd/pm/powerplay/si_dpm.h |  7 +++
  4 files changed, 53 insertions(+), 58 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 52ac3c883a6e..fbfc07a83122 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -894,31 +894,6 @@ void amdgpu_add_thermal_controller(struct amdgpu_device *adev)
  	}
  }
-enum amdgpu_pcie_gen amdgpu_get_pcie_gen_support(struct amdgpu_device *adev,
-						 u32 sys_mask,
-						 enum amdgpu_pcie_gen asic_gen,
-						 enum amdgpu_pcie_gen default_gen)
-{
-	switch (asic_gen) {
-	case AMDGPU_PCIE_GEN1:
-		return AMDGPU_PCIE_GEN1;
-	case AMDGPU_PCIE_GEN2:
-		return AMDGPU_PCIE_GEN2;
-	case AMDGPU_PCIE_GEN3:
-		return AMDGPU_PCIE_GEN3;
-	default:
-		if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) &&
-		    (default_gen == AMDGPU_PCIE_GEN3))
-			return AMDGPU_PCIE_GEN3;
-		else if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) &&
-			 (default_gen == AMDGPU_PCIE_GEN2))
-			return AMDGPU_PCIE_GEN2;
-		else
-			return AMDGPU_PCIE_GEN1;
-	}
-	return AMDGPU_PCIE_GEN1;
-}
-
  struct amd_vce_state*
  amdgpu_get_vce_clock_state(void *handle, u32 idx)
  {
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
index 6681b878e75f..f43b96dfe9d8 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
@@ -45,19 +45,6 @@ enum amdgpu_int_thermal_type {
  	THERMAL_TYPE_KV,
  };
-enum amdgpu_dpm_auto_throttle_src {
-	AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL,
-	AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
-};
-
-enum amdgpu_dpm_event_src {
-	AMDGPU_DPM_EVENT_SRC_ANALOG = 0,
-	AMDGPU_DPM_EVENT_SRC_EXTERNAL = 1,
-	AMDGPU_DPM_EVENT_SRC_DIGITAL = 2,
-	AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
-	AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
-};
-
  struct amdgpu_ps {
  	u32 caps; /* vbios flags */
  	u32 class; /* vbios flags */
@@ -252,13 +239,6 @@ struct amdgpu_dpm_fan {
  	bool ucode_fan_control;
  };
-enum amdgpu_pcie_gen {
-	AMDGPU_PCIE_GEN1 = 0,
-	AMDGPU_PCIE_GEN2 = 1,
-	AMDGPU_PCIE_GEN3 = 2,
-	AMDGPU_PCIE_GEN_INVALID = 0xffff
-};
-
  #define amdgpu_dpm_reset_power_profile_state(adev, request) \
  		((adev)->powerplay.pp_funcs->reset_power_profile_state(\
  			(adev)->powerplay.pp_handle, request))
@@ -403,11 +383,6 @@ void amdgpu_free_extended_power_table(struct amdgpu_device *adev);
void amdgpu_add_thermal_controller(struct amdgpu_device *adev); -enum amdgpu_pcie_gen amdgpu_get_pcie_gen_support(struct amdgpu_device *adev,
-						 u32 sys_mask,
-						 enum amdgpu_pcie_gen asic_gen,
-						 enum amdgpu_pcie_gen default_gen);
-
  struct amd_vce_state*
  amdgpu_get_vce_clock_state(void *handle, u32 idx);
diff --git a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c
index 81f82aa05ec2..4f84d8b893f1 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c
@@ -96,6 +96,19 @@ union pplib_clock_info {
  	struct _ATOM_PPLIB_SI_CLOCK_INFO si;
  };
+enum amdgpu_dpm_auto_throttle_src {
+	AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL,
+	AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
+};
+
+enum amdgpu_dpm_event_src {
+	AMDGPU_DPM_EVENT_SRC_ANALOG = 0,
+	AMDGPU_DPM_EVENT_SRC_EXTERNAL = 1,
+	AMDGPU_DPM_EVENT_SRC_DIGITAL = 2,
+	AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
+	AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
+};
+

Better to rename the enums also including amdgpu_pcie_gen if they are used only within si_dpm.

Thanks,
Lijo

  static const u32 r600_utc[R600_PM_NUMBER_OF_TC] =
  {
  	R600_UTC_DFLT_00,
@@ -4927,6 +4940,31 @@ static int si_populate_smc_initial_state(struct amdgpu_device *adev,
  	return 0;
  }
+static enum amdgpu_pcie_gen si_gen_pcie_gen_support(struct amdgpu_device *adev,
+						    u32 sys_mask,
+						    enum amdgpu_pcie_gen asic_gen,
+						    enum amdgpu_pcie_gen default_gen)
+{
+	switch (asic_gen) {
+	case AMDGPU_PCIE_GEN1:
+		return AMDGPU_PCIE_GEN1;
+	case AMDGPU_PCIE_GEN2:
+		return AMDGPU_PCIE_GEN2;
+	case AMDGPU_PCIE_GEN3:
+		return AMDGPU_PCIE_GEN3;
+	default:
+		if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) &&
+		    (default_gen == AMDGPU_PCIE_GEN3))
+			return AMDGPU_PCIE_GEN3;
+		else if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) &&
+			 (default_gen == AMDGPU_PCIE_GEN2))
+			return AMDGPU_PCIE_GEN2;
+		else
+			return AMDGPU_PCIE_GEN1;
+	}
+	return AMDGPU_PCIE_GEN1;
+}
+
  static int si_populate_smc_acpi_state(struct amdgpu_device *adev,
  				      SISLANDS_SMC_STATETABLE *table)
  {
@@ -4989,10 +5027,10 @@ static int si_populate_smc_acpi_state(struct amdgpu_device *adev,
  							      &table->ACPIState.level.std_vddc);
  		}
  		table->ACPIState.level.gen2PCIE =
-			(u8)amdgpu_get_pcie_gen_support(adev,
-							si_pi->sys_pcie_mask,
-							si_pi->boot_pcie_gen,
-							AMDGPU_PCIE_GEN1);
+			(u8)si_gen_pcie_gen_support(adev,
+						    si_pi->sys_pcie_mask,
+						    si_pi->boot_pcie_gen,
+						    AMDGPU_PCIE_GEN1);
if (si_pi->vddc_phase_shed_control)
  			si_populate_phase_shedding_value(adev,
@@ -7148,10 +7186,10 @@ static void si_parse_pplib_clock_info(struct amdgpu_device *adev,
  	pl->vddc = le16_to_cpu(clock_info->si.usVDDC);
  	pl->vddci = le16_to_cpu(clock_info->si.usVDDCI);
  	pl->flags = le32_to_cpu(clock_info->si.ulFlags);
-	pl->pcie_gen = amdgpu_get_pcie_gen_support(adev,
-						   si_pi->sys_pcie_mask,
-						   si_pi->boot_pcie_gen,
-						   clock_info->si.ucPCIEGen);
+	pl->pcie_gen = si_gen_pcie_gen_support(adev,
+					       si_pi->sys_pcie_mask,
+					       si_pi->boot_pcie_gen,
+					       clock_info->si.ucPCIEGen);
/* patch up vddc if necessary */
  	ret = si_get_leakage_voltage_from_leakage_index(adev, pl->vddc,
diff --git a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.h b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.h
index bc0be6818e21..8c267682eeef 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.h
@@ -595,6 +595,13 @@ struct rv7xx_power_info {
  	RV770_SMC_STATETABLE smc_statetable;
  };
+enum amdgpu_pcie_gen {
+	AMDGPU_PCIE_GEN1 = 0,
+	AMDGPU_PCIE_GEN2 = 1,
+	AMDGPU_PCIE_GEN3 = 2,
+	AMDGPU_PCIE_GEN_INVALID = 0xffff
+};
+
  struct rv7xx_pl {
  	u32 sclk;
  	u32 mclk;




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