[PATCH 1/2] drm/amd/pm: unify the interface for power gating

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No need to have special handling for swSMU supported ASICs.

Change-Id: I7292c1064c3a1c75dc9f91d7c5318eab4f407241
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
 drivers/gpu/drm/amd/pm/amdgpu_dpm.c       | 9 ---------
 drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h   | 3 ---
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 6 +++---
 3 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 464fc04fb334..03581d5b1836 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -927,7 +927,6 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block
 {
 	int ret = 0;
 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
-	bool swsmu = is_support_sw_smu(adev);
 
 	switch (block_type) {
 	case AMD_IP_BLOCK_TYPE_UVD:
@@ -968,15 +967,7 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block
 	case AMD_IP_BLOCK_TYPE_GFX:
 	case AMD_IP_BLOCK_TYPE_VCN:
 	case AMD_IP_BLOCK_TYPE_SDMA:
-		if (pp_funcs && pp_funcs->set_powergating_by_smu) {
-			ret = (pp_funcs->set_powergating_by_smu(
-				(adev)->powerplay.pp_handle, block_type, gate));
-		}
-		break;
 	case AMD_IP_BLOCK_TYPE_JPEG:
-		if (swsmu)
-			ret = smu_dpm_set_power_gate(&adev->smu, block_type, gate);
-		break;
 	case AMD_IP_BLOCK_TYPE_GMC:
 	case AMD_IP_BLOCK_TYPE_ACP:
 		if (pp_funcs && pp_funcs->set_powergating_by_smu) {
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
index 4684eca7b37b..059d2c4e4c7f 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
@@ -1305,9 +1305,6 @@ bool is_support_sw_smu(struct amdgpu_device *adev);
 bool is_support_cclk_dpm(struct amdgpu_device *adev);
 int smu_write_watermarks_table(struct smu_context *smu);
 
-/* smu to display interface */
-extern int smu_dpm_set_power_gate(void *handle, uint32_t block_type, bool gate);
-
 int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
 			   uint32_t *min, uint32_t *max);
 
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index e136f071b4f2..0d1372d440ed 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -268,9 +268,9 @@ static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
  *    Under this case, the smu->mutex lock protection is already enforced on
  *    the parent API smu_force_performance_level of the call path.
  */
-int smu_dpm_set_power_gate(void *handle,
-			   uint32_t block_type,
-			   bool gate)
+static int smu_dpm_set_power_gate(void *handle,
+				  uint32_t block_type,
+				  bool gate)
 {
 	struct smu_context *smu = handle;
 	int ret = 0;
-- 
2.29.0

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