drm/amd/pm: support return vpe clock table

pm supports return vpe clock table and soc clock table

Signed-off-by: Peyton Lee <[e-mail]>
Reviewed-by: Li Ma <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/display/dc/dm_pp_smu.h

···
 #define PP_SMU_NUM_MEMCLK_DPM_LEVELS  4
 #define PP_SMU_NUM_DCLK_DPM_LEVELS    8
 #define PP_SMU_NUM_VCLK_DPM_LEVELS    8
+#define PP_SMU_NUM_VPECLK_DPM_LEVELS  8
 
 struct dpm_clock {
   uint32_t  Freq;    // In MHz
···
 	struct dpm_clock MemClocks[PP_SMU_NUM_MEMCLK_DPM_LEVELS];
 	struct dpm_clock VClocks[PP_SMU_NUM_VCLK_DPM_LEVELS];
 	struct dpm_clock DClocks[PP_SMU_NUM_DCLK_DPM_LEVELS];
+	struct dpm_clock VPEClocks[PP_SMU_NUM_VPECLK_DPM_LEVELS];
 };
 
 

drivers/gpu/drm/amd/pm/amdgpu_dpm.c

···
 			  enable ? "enable" : "disable", ret);
 }
 
+void amdgpu_dpm_enable_vpe(struct amdgpu_device *adev, bool enable)
+{
+	int ret = 0;
+
+	ret = amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_VPE, !enable);
+	if (ret)
+		DRM_ERROR("Dpm %s vpe failed, ret = %d.\n",
+			  enable ? "enable" : "disable", ret);
+}
+
 int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version)
 {
 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;

drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h

···
 void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable);
 void amdgpu_dpm_enable_vce(struct amdgpu_device *adev, bool enable);
 void amdgpu_dpm_enable_jpeg(struct amdgpu_device *adev, bool enable);
+void amdgpu_dpm_enable_vpe(struct amdgpu_device *adev, bool enable);
 int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_version);
 int amdgpu_dpm_handle_passthrough_sbr(struct amdgpu_device *adev, bool enable);
 int amdgpu_dpm_send_hbm_bad_pages_num(struct amdgpu_device *adev, uint32_t size);

drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c

···
 					       0, NULL);
 }
 
+static int smu_14_0_0_get_dpm_table(struct smu_context *smu, struct dpm_clocks *clock_table)
+{
+	DpmClocks_t *clk_table = smu->smu_table.clocks_table;
+	uint8_t idx;
+
+	/* Only the Clock information of SOC and VPE is copied to provide VPE DPM settings for use. */
+	for (idx = 0; idx < NUM_SOCCLK_DPM_LEVELS; idx++) {
+		clock_table->SocClocks[idx].Freq = (idx < clk_table->NumSocClkLevelsEnabled) ? clk_table->SocClocks[idx]:0;
+		clock_table->SocClocks[idx].Vol = 0;
+	}
+
+	for (idx = 0; idx < NUM_VPE_DPM_LEVELS; idx++) {
+		clock_table->VPEClocks[idx].Freq = (idx < clk_table->VpeClkLevelsEnabled) ? clk_table->VPEClocks[idx]:0;
+		clock_table->VPEClocks[idx].Vol = 0;
+	}
+
+	return 0;
+}
+
 static const struct pptable_funcs smu_v14_0_0_ppt_funcs = {
 	.check_fw_status = smu_v14_0_check_fw_status,
 	.check_fw_version = smu_v14_0_check_fw_version,
···
 	.set_gfx_power_up_by_imu = smu_v14_0_set_gfx_power_up_by_imu,
 	.dpm_set_vpe_enable = smu_v14_0_0_set_vpe_enable,
 	.dpm_set_umsch_mm_enable = smu_v14_0_0_set_umsch_mm_enable,
+	.get_dpm_clock_table = smu_14_0_0_get_dpm_table,
 };
 
 static void smu_v14_0_0_set_smu_mailbox_registers(struct smu_context *smu)