Re: [PATCH V5 05/16] drm/amd/pm: do not expose those APIs used internally only in si_dpm.c

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On 12/13/2021 9:22 AM, 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)
v2->v3:
   - rename other data structures used only in si_dpm.c(Lijo)
v3->v4:
   - rename Macros used only in si_dpm.c with "SI_" prefix(Lijo)
---
  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 | 106 +++++++++++++++-------
  drivers/gpu/drm/amd/pm/powerplay/si_dpm.h |  15 ++-
  4 files changed, 83 insertions(+), 88 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 08770888cabb..0f9e109941f1 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..5bd7a24b70b6 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 si_dpm_auto_throttle_src {
+	SI_DPM_AUTO_THROTTLE_SRC_THERMAL,
+	SI_DPM_AUTO_THROTTLE_SRC_EXTERNAL
+};
+
+enum si_dpm_event_src {
+	SI_DPM_EVENT_SRC_ANALOG = 0,
+	SI_DPM_EVENT_SRC_EXTERNAL = 1,
+	SI_DPM_EVENT_SRC_DIGITAL = 2,
+	SI_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
+	SI_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
+};
+
  static const u32 r600_utc[R600_PM_NUMBER_OF_TC] =
  {
  	R600_UTC_DFLT_00,
@@ -3718,25 +3731,25 @@ static void si_set_dpm_event_sources(struct amdgpu_device *adev, u32 sources)
  {
  	struct rv7xx_power_info *pi = rv770_get_pi(adev);
  	bool want_thermal_protection;
-	enum amdgpu_dpm_event_src dpm_event_src;
+	enum si_dpm_event_src dpm_event_src;
switch (sources) {
  	case 0:
  	default:
  		want_thermal_protection = false;
  		break;
-	case (1 << AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL):
+	case (1 << SI_DPM_AUTO_THROTTLE_SRC_THERMAL):
  		want_thermal_protection = true;
-		dpm_event_src = AMDGPU_DPM_EVENT_SRC_DIGITAL;
+		dpm_event_src = SI_DPM_EVENT_SRC_DIGITAL;
  		break;
-	case (1 << AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL):
+	case (1 << SI_DPM_AUTO_THROTTLE_SRC_EXTERNAL):
  		want_thermal_protection = true;
-		dpm_event_src = AMDGPU_DPM_EVENT_SRC_EXTERNAL;
+		dpm_event_src = SI_DPM_EVENT_SRC_EXTERNAL;
  		break;
-	case ((1 << AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL) |
-	      (1 << AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL)):
+	case ((1 << SI_DPM_AUTO_THROTTLE_SRC_EXTERNAL) |
+	      (1 << SI_DPM_AUTO_THROTTLE_SRC_THERMAL)):
  		want_thermal_protection = true;
-		dpm_event_src = AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL;
+		dpm_event_src = SI_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL;
  		break;
  	}
@@ -3750,7 +3763,7 @@ static void si_set_dpm_event_sources(struct amdgpu_device *adev, u32 sources)
  }
static void si_enable_auto_throttle_source(struct amdgpu_device *adev,
-					   enum amdgpu_dpm_auto_throttle_src source,
+					   enum si_dpm_auto_throttle_src source,
  					   bool enable)
  {
  	struct rv7xx_power_info *pi = rv770_get_pi(adev);
@@ -4927,6 +4940,31 @@ static int si_populate_smc_initial_state(struct amdgpu_device *adev,
  	return 0;
  }
+static enum si_pcie_gen si_gen_pcie_gen_support(struct amdgpu_device *adev,
+						u32 sys_mask,
+						enum si_pcie_gen asic_gen,
+						enum si_pcie_gen default_gen)
+{
+	switch (asic_gen) {
+	case PCIE_GEN1:
+		return PCIE_GEN1;
+	case PCIE_GEN2:
+		return PCIE_GEN2;
+	case PCIE_GEN3:
+		return PCIE_GEN3;
+	default:
+		if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) &&
+		    (default_gen == PCIE_GEN3))
+			return PCIE_GEN3;
+		else if ((sys_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) &&
+			 (default_gen == PCIE_GEN2))
+			return PCIE_GEN2;
+		else
+			return PCIE_GEN1;
+	}
+	return 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,
+						    PCIE_GEN1);
if (si_pi->vddc_phase_shed_control)
  			si_populate_phase_shedding_value(adev,
@@ -5430,7 +5468,7 @@ static int si_convert_power_level_to_smc(struct amdgpu_device *adev,
  	bool gmc_pg = false;
if (eg_pi->pcie_performance_request &&
-	    (si_pi->force_pcie_gen != AMDGPU_PCIE_GEN_INVALID))
+	    (si_pi->force_pcie_gen != PCIE_GEN_INVALID))
  		level->gen2PCIE = (u8)si_pi->force_pcie_gen;
  	else
  		level->gen2PCIE = (u8)pl->pcie_gen;
@@ -6147,8 +6185,8 @@ static void si_enable_voltage_control(struct amdgpu_device *adev, bool enable)
  		WREG32_P(GENERAL_PWRMGT, 0, ~VOLT_PWRMGT_EN);
  }
-static enum amdgpu_pcie_gen si_get_maximum_link_speed(struct amdgpu_device *adev,
-						      struct amdgpu_ps *amdgpu_state)
+static enum si_pcie_gen si_get_maximum_link_speed(struct amdgpu_device *adev,
+						  struct amdgpu_ps *amdgpu_state)
  {
  	struct si_ps *state = si_get_ps(amdgpu_state);
  	int i;
@@ -6177,27 +6215,27 @@ static void si_request_link_speed_change_before_state_change(struct amdgpu_devic
  							     struct amdgpu_ps *amdgpu_current_state)
  {
  	struct si_power_info *si_pi = si_get_pi(adev);
-	enum amdgpu_pcie_gen target_link_speed = si_get_maximum_link_speed(adev, amdgpu_new_state);
-	enum amdgpu_pcie_gen current_link_speed;
+	enum si_pcie_gen target_link_speed = si_get_maximum_link_speed(adev, amdgpu_new_state);
+	enum si_pcie_gen current_link_speed;
- if (si_pi->force_pcie_gen == AMDGPU_PCIE_GEN_INVALID)
+	if (si_pi->force_pcie_gen == PCIE_GEN_INVALID)
  		current_link_speed = si_get_maximum_link_speed(adev, amdgpu_current_state);
  	else
  		current_link_speed = si_pi->force_pcie_gen;
- si_pi->force_pcie_gen = AMDGPU_PCIE_GEN_INVALID;
+	si_pi->force_pcie_gen = PCIE_GEN_INVALID;
  	si_pi->pspp_notify_required = false;
  	if (target_link_speed > current_link_speed) {
  		switch (target_link_speed) {
  #if defined(CONFIG_ACPI)
-		case AMDGPU_PCIE_GEN3:
+		case PCIE_GEN3:
  			if (amdgpu_acpi_pcie_performance_request(adev, PCIE_PERF_REQ_PECI_GEN3, false) == 0)
  				break;
-			si_pi->force_pcie_gen = AMDGPU_PCIE_GEN2;
-			if (current_link_speed == AMDGPU_PCIE_GEN2)
+			si_pi->force_pcie_gen = PCIE_GEN2;
+			if (current_link_speed == PCIE_GEN2)
  				break;
  			fallthrough;
-		case AMDGPU_PCIE_GEN2:
+		case PCIE_GEN2:
  			if (amdgpu_acpi_pcie_performance_request(adev, PCIE_PERF_REQ_PECI_GEN2, false) == 0)
  				break;
  			fallthrough;
@@ -6217,13 +6255,13 @@ static void si_notify_link_speed_change_after_state_change(struct amdgpu_device
  							   struct amdgpu_ps *amdgpu_current_state)
  {
  	struct si_power_info *si_pi = si_get_pi(adev);
-	enum amdgpu_pcie_gen target_link_speed = si_get_maximum_link_speed(adev, amdgpu_new_state);
+	enum si_pcie_gen target_link_speed = si_get_maximum_link_speed(adev, amdgpu_new_state);
  	u8 request;
if (si_pi->pspp_notify_required) {
-		if (target_link_speed == AMDGPU_PCIE_GEN3)
+		if (target_link_speed == PCIE_GEN3)
  			request = PCIE_PERF_REQ_PECI_GEN3;
-		else if (target_link_speed == AMDGPU_PCIE_GEN2)
+		else if (target_link_speed == PCIE_GEN2)
  			request = PCIE_PERF_REQ_PECI_GEN2;
  		else
  			request = PCIE_PERF_REQ_PECI_GEN1;
@@ -6864,7 +6902,7 @@ static int si_dpm_enable(struct amdgpu_device *adev)
  	si_enable_sclk_control(adev, true);
  	si_start_dpm(adev);
- si_enable_auto_throttle_source(adev, AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
+	si_enable_auto_throttle_source(adev, SI_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
  	si_thermal_start_thermal_controller(adev);
ni_update_current_ps(adev, boot_ps);
@@ -6904,7 +6942,7 @@ static void si_dpm_disable(struct amdgpu_device *adev)
  	si_enable_power_containment(adev, boot_ps, false);
  	si_enable_smc_cac(adev, boot_ps, false);
  	si_enable_spread_spectrum(adev, false);
-	si_enable_auto_throttle_source(adev, AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
+	si_enable_auto_throttle_source(adev, SI_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
  	si_stop_dpm(adev);
  	si_reset_to_default(adev);
  	si_dpm_stop_smc(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,
@@ -7318,7 +7356,7 @@ static int si_dpm_init(struct amdgpu_device *adev)
si_pi->sys_pcie_mask =
  		adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_MASK;
-	si_pi->force_pcie_gen = AMDGPU_PCIE_GEN_INVALID;
+	si_pi->force_pcie_gen = PCIE_GEN_INVALID;
  	si_pi->boot_pcie_gen = si_get_current_pcie_speed(adev);
si_set_max_cu_value(adev);
diff --git a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.h b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.h
index bc0be6818e21..77614ff10df6 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.h
@@ -595,13 +595,20 @@ struct rv7xx_power_info {
  	RV770_SMC_STATETABLE smc_statetable;
  };
+enum si_pcie_gen {
+	PCIE_GEN1 = 0,
+	PCIE_GEN2 = 1,
+	PCIE_GEN3 = 2,
+	PCIE_GEN_INVALID = 0xffff
+};
+

Better use the same SI_ convention for consistency.

Thanks,
Lijo

  struct rv7xx_pl {
  	u32 sclk;
  	u32 mclk;
  	u16 vddc;
  	u16 vddci; /* eg+ only */
  	u32 flags;
-	enum amdgpu_pcie_gen pcie_gen; /* si+ only */
+	enum si_pcie_gen pcie_gen; /* si+ only */
  };
struct rv7xx_ps {
@@ -967,9 +974,9 @@ struct si_power_info {
  	struct si_ulv_param ulv;
  	u32 max_cu;
  	/* pcie gen */
-	enum amdgpu_pcie_gen force_pcie_gen;
-	enum amdgpu_pcie_gen boot_pcie_gen;
-	enum amdgpu_pcie_gen acpi_pcie_gen;
+	enum si_pcie_gen force_pcie_gen;
+	enum si_pcie_gen boot_pcie_gen;
+	enum si_pcie_gen acpi_pcie_gen;
  	u32 sys_pcie_mask;
  	/* flags */
  	bool enable_dte;




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