drm/amd/powerplay: get raven max/min gfx clocks (v2)

v2: squash in rebase fix (Tom)
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c

@@ -421,6 +421,26 @@ static int rv_populate_clock_table(struct pp_hwmgr *hwmgr)
 	rv_get_clock_voltage_dependency_table(hwmgr, &pinfo->vdd_dep_on_phyclk,
 					ARRAY_SIZE(VddPhyClk), &VddPhyClk[0]);
 
+	PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
+			PPSMC_MSG_GetMinGfxclkFrequency),
+			"Attempt to get min GFXCLK Failed!",
+			return -1);
+	PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(hwmgr,
+			&result),
+			"Attempt to get min GFXCLK Failed!",
+			return -1);
+	rv_data->gfx_min_freq_limit = result * 100;
+
+	PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
+			PPSMC_MSG_GetMaxGfxclkFrequency),
+			"Attempt to get max GFXCLK Failed!",
+			return -1);
+	PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(hwmgr,
+			&result),
+			"Attempt to get max GFXCLK Failed!",
+			return -1);
+	rv_data->gfx_max_freq_limit = result * 100;
+
 	return 0;
 }
 

drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.h

@@ -283,6 +283,8 @@ struct rv_hwmgr {
 	uint32_t                        vclk_soft_min;
 	uint32_t                        dclk_soft_min;
 	uint32_t                        gfx_actual_soft_min_freq;
+	uint32_t                        gfx_min_freq_limit;
+	uint32_t                        gfx_max_freq_limit;
 
 	bool                           vcn_power_gated;
 	bool                           vcn_dpg_mode;