[PATCH 08/16] drm/amd/powerplay: postpone operations not must for hw setup to late_init

[Evan Quan]

So that we do not need to perform those unnecessary operations again on
resume.

Change-Id: I90f8a8d68762b5f88d7477934128a17bf67e3341
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 57 +++++++++++-----------
 1 file changed, 28 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index cd7a3d3efa23..78fb2b42fc93 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -769,10 +769,36 @@ static int smu_late_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	struct smu_context *smu = &adev->smu;
+	int ret = 0;
 
 	if (!smu->pm_enabled)
 		return 0;
 
+	ret = smu_set_default_od_settings(smu);
+	if (ret)
+		return ret;
+
+	/*
+	 * Set initialized values (get from vbios) to dpm tables context such as
+	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
+	 * type of clks.
+	 */
+	ret = smu_populate_smc_tables(smu);
+	if (ret)
+		return ret;
+
+	ret = smu_init_max_sustainable_clocks(smu);
+	if (ret)
+		return ret;
+
+	ret = smu_populate_umd_state_clk(smu);
+	if (ret)
+		return ret;
+
+	ret = smu_get_power_limit(smu, &smu->default_power_limit, false, false);
+	if (ret)
+		return ret;
+
 	smu_get_unique_id(smu);
 
 	smu_handle_task(&adev->smu,
@@ -1178,39 +1204,10 @@ static int smu_smc_table_hw_init(struct smu_context *smu,
 	if (ret)
 		return ret;
 
-	/*
-	 * Set initialized values (get from vbios) to dpm tables context such as
-	 * gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
-	 * type of clks.
-	 */
-	if (initialize) {
-		ret = smu_populate_smc_tables(smu);
-		if (ret)
-			return ret;
-
-		ret = smu_init_max_sustainable_clocks(smu);
-		if (ret)
-			return ret;
-	}
-
 	ret = smu_override_pcie_parameters(smu);
 	if (ret)
 		return ret;
 
-	ret = smu_set_default_od_settings(smu);
-	if (ret)
-		return ret;
-
-	if (initialize) {
-		ret = smu_populate_umd_state_clk(smu);
-		if (ret)
-			return ret;
-
-		ret = smu_get_power_limit(smu, &smu->default_power_limit, false, false);
-		if (ret)
-			return ret;
-	}
-
 	/*
 	 * Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
 	 */
@@ -1428,6 +1425,8 @@ int smu_reset(struct smu_context *smu)
 	if (ret)
 		return ret;
 
+	ret = smu_late_init(adev);
+
 	return ret;
 }
 
-- 
2.27.0