[PATCH] drm/amd/pm: drop redundant and unneeded BACO APIs V2

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Use other APIs which are with the same functionality but much
more clean.

V2: drop mediate unneeded interface

Change-Id: I5e9e0ab5d39b49b02434f18e12392b13931396be
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/nv.c           | 25 +-----
 drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h   |  9 ---
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 95 -----------------------
 3 files changed, 3 insertions(+), 126 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index e9cc3201054f..46d4bbabce75 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -515,21 +515,9 @@ static int nv_asic_mode2_reset(struct amdgpu_device *adev)
 	return ret;
 }
 
-static bool nv_asic_supports_baco(struct amdgpu_device *adev)
-{
-	struct smu_context *smu = &adev->smu;
-
-	if (smu_baco_is_support(smu))
-		return true;
-	else
-		return false;
-}
-
 static enum amd_reset_method
 nv_asic_reset_method(struct amdgpu_device *adev)
 {
-	struct smu_context *smu = &adev->smu;
-
 	if (amdgpu_reset_method == AMD_RESET_METHOD_MODE1 ||
 	    amdgpu_reset_method == AMD_RESET_METHOD_MODE2 ||
 	    amdgpu_reset_method == AMD_RESET_METHOD_BACO ||
@@ -548,7 +536,7 @@ nv_asic_reset_method(struct amdgpu_device *adev)
 	case CHIP_DIMGREY_CAVEFISH:
 		return AMD_RESET_METHOD_MODE1;
 	default:
-		if (smu_baco_is_support(smu))
+		if (amdgpu_dpm_is_baco_supported(adev))
 			return AMD_RESET_METHOD_BACO;
 		else
 			return AMD_RESET_METHOD_MODE1;
@@ -558,7 +546,6 @@ nv_asic_reset_method(struct amdgpu_device *adev)
 static int nv_asic_reset(struct amdgpu_device *adev)
 {
 	int ret = 0;
-	struct smu_context *smu = &adev->smu;
 
 	switch (nv_asic_reset_method(adev)) {
 	case AMD_RESET_METHOD_PCI:
@@ -567,13 +554,7 @@ static int nv_asic_reset(struct amdgpu_device *adev)
 		break;
 	case AMD_RESET_METHOD_BACO:
 		dev_info(adev->dev, "BACO reset\n");
-
-		ret = smu_baco_enter(smu);
-		if (ret)
-			return ret;
-		ret = smu_baco_exit(smu);
-		if (ret)
-			return ret;
+		ret = amdgpu_dpm_baco_reset(adev);
 		break;
 	case AMD_RESET_METHOD_MODE2:
 		dev_info(adev->dev, "MODE2 reset\n");
@@ -981,7 +962,7 @@ static const struct amdgpu_asic_funcs nv_asic_funcs =
 	.need_full_reset = &nv_need_full_reset,
 	.need_reset_on_init = &nv_need_reset_on_init,
 	.get_pcie_replay_count = &nv_get_pcie_replay_count,
-	.supports_baco = &nv_asic_supports_baco,
+	.supports_baco = &amdgpu_dpm_is_baco_supported,
 	.pre_asic_init = &nv_pre_asic_init,
 	.update_umd_stable_pstate = &nv_update_umd_stable_pstate,
 	.query_video_codecs = &nv_query_video_codecs,
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
index 517f333fbc4b..02675155028d 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
@@ -1285,15 +1285,6 @@ int smu_get_power_limit(struct smu_context *smu,
 			uint32_t *limit,
 			enum smu_ppt_limit_level limit_level);
 
-int smu_set_azalia_d3_pme(struct smu_context *smu);
-
-bool smu_baco_is_support(struct smu_context *smu);
-
-int smu_baco_get_state(struct smu_context *smu, enum smu_baco_state *state);
-
-int smu_baco_enter(struct smu_context *smu);
-int smu_baco_exit(struct smu_context *smu);
-
 bool smu_mode1_reset_is_support(struct smu_context *smu);
 bool smu_mode2_reset_is_support(struct smu_context *smu);
 int smu_mode1_reset(struct smu_context *smu);
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 4120d28f782b..1bb0c0966e3d 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -2682,48 +2682,6 @@ static int smu_set_xgmi_pstate(void *handle,
 	return ret;
 }
 
-int smu_set_azalia_d3_pme(struct smu_context *smu)
-{
-	int ret = 0;
-
-	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
-		return -EOPNOTSUPP;
-
-	mutex_lock(&smu->mutex);
-
-	if (smu->ppt_funcs->set_azalia_d3_pme)
-		ret = smu->ppt_funcs->set_azalia_d3_pme(smu);
-
-	mutex_unlock(&smu->mutex);
-
-	return ret;
-}
-
-/*
- * On system suspending or resetting, the dpm_enabled
- * flag will be cleared. So that those SMU services which
- * are not supported will be gated.
- *
- * However, the baco/mode1 reset should still be granted
- * as they are still supported and necessary.
- */
-bool smu_baco_is_support(struct smu_context *smu)
-{
-	bool ret = false;
-
-	if (!smu->pm_enabled)
-		return false;
-
-	mutex_lock(&smu->mutex);
-
-	if (smu->ppt_funcs && smu->ppt_funcs->baco_is_support)
-		ret = smu->ppt_funcs->baco_is_support(smu);
-
-	mutex_unlock(&smu->mutex);
-
-	return ret;
-}
-
 static int smu_get_baco_capability(void *handle, bool *cap)
 {
 	struct smu_context *smu = handle;
@@ -2744,59 +2702,6 @@ static int smu_get_baco_capability(void *handle, bool *cap)
 	return ret;
 }
 
-
-int smu_baco_get_state(struct smu_context *smu, enum smu_baco_state *state)
-{
-	if (smu->ppt_funcs->baco_get_state)
-		return -EINVAL;
-
-	mutex_lock(&smu->mutex);
-	*state = smu->ppt_funcs->baco_get_state(smu);
-	mutex_unlock(&smu->mutex);
-
-	return 0;
-}
-
-int smu_baco_enter(struct smu_context *smu)
-{
-	int ret = 0;
-
-	if (!smu->pm_enabled)
-		return -EOPNOTSUPP;
-
-	mutex_lock(&smu->mutex);
-
-	if (smu->ppt_funcs->baco_enter)
-		ret = smu->ppt_funcs->baco_enter(smu);
-
-	mutex_unlock(&smu->mutex);
-
-	if (ret)
-		dev_err(smu->adev->dev, "Failed to enter BACO state!\n");
-
-	return ret;
-}
-
-int smu_baco_exit(struct smu_context *smu)
-{
-	int ret = 0;
-
-	if (!smu->pm_enabled)
-		return -EOPNOTSUPP;
-
-	mutex_lock(&smu->mutex);
-
-	if (smu->ppt_funcs->baco_exit)
-		ret = smu->ppt_funcs->baco_exit(smu);
-
-	mutex_unlock(&smu->mutex);
-
-	if (ret)
-		dev_err(smu->adev->dev, "Failed to exit BACO state!\n");
-
-	return ret;
-}
-
 static int smu_baco_set_state(void *handle, int state)
 {
 	struct smu_context *smu = handle;
-- 
2.29.0

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