Merge branch 'drm-next-4.9' of git://people.freedesktop.org/~agd5f/linux into drm...
authorDave Airlie <airlied@redhat.com>
Mon, 19 Sep 2016 20:17:38 +0000 (06:17 +1000)
committerDave Airlie <airlied@redhat.com>
Mon, 19 Sep 2016 20:17:38 +0000 (06:17 +1000)
More radeon and amdgpu changes for 4.9. Highlights:
- Initial SI support for amdgpu (controlled by a Kconfig option)
- misc ttm cleanups
- runtimepm fixes
- S3/S4 fixes
- power improvements
- lots of code cleanups and optimizations

* 'drm-next-4.9' of git://people.freedesktop.org/~agd5f/linux: (151 commits)
  drm/ttm: remove cpu_address member from ttm_tt
  drm/radeon/radeon_device: remove unused function
  drm/amdgpu: clean function declarations in amdgpu_ttm.c up
  drm/amdgpu: use the new ring ib and dma frame size callbacks (v2)
  drm/amdgpu/vce3: add ring callbacks for ib and dma frame size
  drm/amdgpu/vce2: add ring callbacks for ib and dma frame size
  drm/amdgpu/vce: add common ring callbacks for ib and dma frame size
  drm/amdgpu/uvd6: add ring callbacks for ib and dma frame size
  drm/amdgpu/uvd5: add ring callbacks for ib and dma frame size
  drm/amdgpu/uvd4.2: add ring callbacks for ib and dma frame size
  drm/amdgpu/sdma3: add ring callbacks for ib and dma frame size
  drm/amdgpu/sdma2.4: add ring callbacks for ib and dma frame size
  drm/amdgpu/cik_sdma: add ring callbacks for ib and dma frame size
  drm/amdgpu/si_dma: add ring callbacks for ib and dma frame size
  drm/amdgpu/gfx8: add ring callbacks for ib and dma frame size
  drm/amdgpu/gfx7: add ring callbacks for ib and dma frame size
  drm/amdgpu/gfx6: add ring callbacks for ib and dma frame size
  drm/amdgpu/ring: add an interface to get dma frame and ib size
  drm/amdgpu/sdma3: drop unused functions
  drm/amdgpu/gfx6: drop gds_switch callback
  ...

1  2 
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
drivers/gpu/drm/radeon/radeon_drv.c
drivers/gpu/drm/radeon/radeon_fb.c

@@@ -25,6 -25,8 +25,7 @@@
   */
  #include <linux/module.h>
  #include <linux/slab.h>
 -#include <linux/fb.h>
+ #include <linux/pm_runtime.h>
  
  #include <drm/drmP.h>
  #include <drm/drm_crtc.h>
Simple merge
index 0000000,3373c32..7de701d
mode 000000,100644..100644
--- /dev/null
@@@ -1,0 -1,1326 +1,1325 @@@
 -#include <linux/fb.h>
+ /*
+  * Copyright 2015 Advanced Micro Devices, Inc.
+  *
+  * Permission is hereby granted, free of charge, to any person obtaining a
+  * copy of this software and associated documentation files (the "Software"),
+  * to deal in the Software without restriction, including without limitation
+  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+  * and/or sell copies of the Software, and to permit persons to whom the
+  * Software is furnished to do so, subject to the following conditions:
+  *
+  * The above copyright notice and this permission notice shall be included in
+  * all copies or substantial portions of the Software.
+  *
+  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+  * OTHER DEALINGS IN THE SOFTWARE.
+  *
+  */
+ #include <linux/module.h>
+ #include <linux/slab.h>
+ #include "process_pptables_v1_0.h"
+ #include "ppatomctrl.h"
+ #include "atombios.h"
+ #include "pp_debug.h"
+ #include "hwmgr.h"
+ #include "cgs_common.h"
+ #include "pptable_v1_0.h"
+ /**
+  * Private Function used during initialization.
+  * @param hwmgr Pointer to the hardware manager.
+  * @param setIt A flag indication if the capability should be set (TRUE) or reset (FALSE).
+  * @param cap Which capability to set/reset.
+  */
+ static void set_hw_cap(struct pp_hwmgr *hwmgr, bool setIt, enum phm_platform_caps cap)
+ {
+       if (setIt)
+               phm_cap_set(hwmgr->platform_descriptor.platformCaps, cap);
+       else
+               phm_cap_unset(hwmgr->platform_descriptor.platformCaps, cap);
+ }
+ /**
+  * Private Function used during initialization.
+  * @param hwmgr Pointer to the hardware manager.
+  * @param powerplay_caps the bit array (from BIOS) of capability bits.
+  * @exception the current implementation always returns 1.
+  */
+ static int set_platform_caps(struct pp_hwmgr *hwmgr, uint32_t powerplay_caps)
+ {
+       PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE16____),
+               "ATOM_PP_PLATFORM_CAP_ASPM_L1 is not supported!", continue);
+       PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE64____),
+               "ATOM_PP_PLATFORM_CAP_GEMINIPRIMARY is not supported!", continue);
+       PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE512____),
+               "ATOM_PP_PLATFORM_CAP_SIDEPORTCONTROL is not supported!", continue);
+       PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE1024____),
+               "ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1 is not supported!", continue);
+       PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE2048____),
+               "ATOM_PP_PLATFORM_CAP_HTLINKCONTROL is not supported!", continue);
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_POWERPLAY),
+                       PHM_PlatformCaps_PowerPlaySupport
+                 );
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_SBIOSPOWERSOURCE),
+                       PHM_PlatformCaps_BiosPowerSourceControl
+                 );
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_HARDWAREDC),
+                       PHM_PlatformCaps_AutomaticDCTransition
+                 );
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_MVDD_CONTROL),
+                       PHM_PlatformCaps_EnableMVDDControl
+                 );
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDCI_CONTROL),
+                       PHM_PlatformCaps_ControlVDDCI
+                 );
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDGFX_CONTROL),
+                       PHM_PlatformCaps_ControlVDDGFX
+                 );
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_BACO),
+                       PHM_PlatformCaps_BACO
+                 );
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_DISABLE_VOLTAGE_ISLAND),
+                       PHM_PlatformCaps_DisableVoltageIsland
+                 );
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_COMBINE_PCC_WITH_THERMAL_SIGNAL),
+                       PHM_PlatformCaps_CombinePCCWithThermalSignal
+                 );
+       set_hw_cap(
+                       hwmgr,
+                       0 != (powerplay_caps & ATOM_TONGA_PLATFORM_LOAD_POST_PRODUCTION_FIRMWARE),
+                       PHM_PlatformCaps_LoadPostProductionFirmware
+                 );
+       return 0;
+ }
+ /**
+  * Private Function to get the PowerPlay Table Address.
+  */
+ const void *get_powerplay_table(struct pp_hwmgr *hwmgr)
+ {
+       int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+       u16 size;
+       u8 frev, crev;
+       void *table_address = (void *)hwmgr->soft_pp_table;
+       if (!table_address) {
+               table_address = (ATOM_Tonga_POWERPLAYTABLE *)
+                               cgs_atom_get_data_table(hwmgr->device,
+                                               index, &size, &frev, &crev);
+               hwmgr->soft_pp_table = table_address;   /*Cache the result in RAM.*/
+               hwmgr->soft_pp_table_size = size;
+       }
+       return table_address;
+ }
+ static int get_vddc_lookup_table(
+               struct pp_hwmgr *hwmgr,
+               phm_ppt_v1_voltage_lookup_table **lookup_table,
+               const ATOM_Tonga_Voltage_Lookup_Table *vddc_lookup_pp_tables,
+               uint32_t max_levels
+               )
+ {
+       uint32_t table_size, i;
+       phm_ppt_v1_voltage_lookup_table *table;
+       phm_ppt_v1_voltage_lookup_record *record;
+       ATOM_Tonga_Voltage_Lookup_Record *atom_record;
+       PP_ASSERT_WITH_CODE((0 != vddc_lookup_pp_tables->ucNumEntries),
+               "Invalid CAC Leakage PowerPlay Table!", return 1);
+       table_size = sizeof(uint32_t) +
+               sizeof(phm_ppt_v1_voltage_lookup_record) * max_levels;
+       table = kzalloc(table_size, GFP_KERNEL);
+       if (NULL == table)
+               return -ENOMEM;
+       memset(table, 0x00, table_size);
+       table->count = vddc_lookup_pp_tables->ucNumEntries;
+       for (i = 0; i < vddc_lookup_pp_tables->ucNumEntries; i++) {
+               record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       phm_ppt_v1_voltage_lookup_record,
+                                       entries, table, i);
+               atom_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       ATOM_Tonga_Voltage_Lookup_Record,
+                                       entries, vddc_lookup_pp_tables, i);
+               record->us_calculated = 0;
+               record->us_vdd = atom_record->usVdd;
+               record->us_cac_low = atom_record->usCACLow;
+               record->us_cac_mid = atom_record->usCACMid;
+               record->us_cac_high = atom_record->usCACHigh;
+       }
+       *lookup_table = table;
+       return 0;
+ }
+ /**
+  * Private Function used during initialization.
+  * Initialize Platform Power Management Parameter table
+  * @param hwmgr Pointer to the hardware manager.
+  * @param atom_ppm_table Pointer to PPM table in VBIOS
+  */
+ static int get_platform_power_management_table(
+               struct pp_hwmgr *hwmgr,
+               ATOM_Tonga_PPM_Table *atom_ppm_table)
+ {
+       struct phm_ppm_table *ptr = kzalloc(sizeof(ATOM_Tonga_PPM_Table), GFP_KERNEL);
+       struct phm_ppt_v1_information *pp_table_information =
+               (struct phm_ppt_v1_information *)(hwmgr->pptable);
+       if (NULL == ptr)
+               return -ENOMEM;
+       ptr->ppm_design
+               = atom_ppm_table->ucPpmDesign;
+       ptr->cpu_core_number
+               = atom_ppm_table->usCpuCoreNumber;
+       ptr->platform_tdp
+               = atom_ppm_table->ulPlatformTDP;
+       ptr->small_ac_platform_tdp
+               = atom_ppm_table->ulSmallACPlatformTDP;
+       ptr->platform_tdc
+               = atom_ppm_table->ulPlatformTDC;
+       ptr->small_ac_platform_tdc
+               = atom_ppm_table->ulSmallACPlatformTDC;
+       ptr->apu_tdp
+               = atom_ppm_table->ulApuTDP;
+       ptr->dgpu_tdp
+               = atom_ppm_table->ulDGpuTDP;
+       ptr->dgpu_ulv_power
+               = atom_ppm_table->ulDGpuUlvPower;
+       ptr->tj_max
+               = atom_ppm_table->ulTjmax;
+       pp_table_information->ppm_parameter_table = ptr;
+       return 0;
+ }
+ /**
+  * Private Function used during initialization.
+  * Initialize TDP limits for DPM2
+  * @param hwmgr Pointer to the hardware manager.
+  * @param powerplay_table Pointer to the PowerPlay Table.
+  */
+ static int init_dpm_2_parameters(
+               struct pp_hwmgr *hwmgr,
+               const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
+               )
+ {
+       int result = 0;
+       struct phm_ppt_v1_information *pp_table_information = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+       ATOM_Tonga_PPM_Table *atom_ppm_table;
+       uint32_t disable_ppm = 0;
+       uint32_t disable_power_control = 0;
+       pp_table_information->us_ulv_voltage_offset =
+               le16_to_cpu(powerplay_table->usUlvVoltageOffset);
+       pp_table_information->ppm_parameter_table = NULL;
+       pp_table_information->vddc_lookup_table = NULL;
+       pp_table_information->vddgfx_lookup_table = NULL;
+       /* TDP limits */
+       hwmgr->platform_descriptor.TDPODLimit =
+               le16_to_cpu(powerplay_table->usPowerControlLimit);
+       hwmgr->platform_descriptor.TDPAdjustment = 0;
+       hwmgr->platform_descriptor.VidAdjustment = 0;
+       hwmgr->platform_descriptor.VidAdjustmentPolarity = 0;
+       hwmgr->platform_descriptor.VidMinLimit = 0;
+       hwmgr->platform_descriptor.VidMaxLimit = 1500000;
+       hwmgr->platform_descriptor.VidStep = 6250;
+       disable_power_control = 0;
+       if (0 == disable_power_control) {
+               /* enable TDP overdrive (PowerControl) feature as well if supported */
+               if (hwmgr->platform_descriptor.TDPODLimit != 0)
+                       phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+                       PHM_PlatformCaps_PowerControl);
+       }
+       if (0 != powerplay_table->usVddcLookupTableOffset) {
+               const ATOM_Tonga_Voltage_Lookup_Table *pVddcCACTable =
+                       (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
+                       le16_to_cpu(powerplay_table->usVddcLookupTableOffset));
+               result = get_vddc_lookup_table(hwmgr,
+                       &pp_table_information->vddc_lookup_table, pVddcCACTable, 16);
+       }
+       if (0 != powerplay_table->usVddgfxLookupTableOffset) {
+               const ATOM_Tonga_Voltage_Lookup_Table *pVddgfxCACTable =
+                       (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
+                       le16_to_cpu(powerplay_table->usVddgfxLookupTableOffset));
+               result = get_vddc_lookup_table(hwmgr,
+                       &pp_table_information->vddgfx_lookup_table, pVddgfxCACTable, 16);
+       }
+       disable_ppm = 0;
+       if (0 == disable_ppm) {
+               atom_ppm_table = (ATOM_Tonga_PPM_Table *)
+                       (((unsigned long)powerplay_table) + le16_to_cpu(powerplay_table->usPPMTableOffset));
+               if (0 != powerplay_table->usPPMTableOffset) {
+                       if (get_platform_power_management_table(hwmgr, atom_ppm_table) == 0) {
+                               phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+                                       PHM_PlatformCaps_EnablePlatformPowerManagement);
+                       }
+               }
+       }
+       return result;
+ }
+ static int get_valid_clk(
+               struct pp_hwmgr *hwmgr,
+               struct phm_clock_array **clk_table,
+               phm_ppt_v1_clock_voltage_dependency_table const *clk_volt_pp_table
+               )
+ {
+       uint32_t table_size, i;
+       struct phm_clock_array *table;
+       phm_ppt_v1_clock_voltage_dependency_record *dep_record;
+       PP_ASSERT_WITH_CODE((0 != clk_volt_pp_table->count),
+               "Invalid PowerPlay Table!", return -1);
+       table_size = sizeof(uint32_t) +
+               sizeof(uint32_t) * clk_volt_pp_table->count;
+       table = kzalloc(table_size, GFP_KERNEL);
+       if (NULL == table)
+               return -ENOMEM;
+       memset(table, 0x00, table_size);
+       table->count = (uint32_t)clk_volt_pp_table->count;
+       for (i = 0; i < table->count; i++) {
+               dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                               phm_ppt_v1_clock_voltage_dependency_record,
+                               entries, clk_volt_pp_table, i);
+               table->values[i] = (uint32_t)dep_record->clk;
+       }
+       *clk_table = table;
+       return 0;
+ }
+ static int get_hard_limits(
+               struct pp_hwmgr *hwmgr,
+               struct phm_clock_and_voltage_limits *limits,
+               ATOM_Tonga_Hard_Limit_Table const *limitable
+               )
+ {
+       PP_ASSERT_WITH_CODE((0 != limitable->ucNumEntries), "Invalid PowerPlay Table!", return -1);
+       /* currently we always take entries[0] parameters */
+       limits->sclk = (uint32_t)limitable->entries[0].ulSCLKLimit;
+       limits->mclk = (uint32_t)limitable->entries[0].ulMCLKLimit;
+       limits->vddc = (uint16_t)limitable->entries[0].usVddcLimit;
+       limits->vddci = (uint16_t)limitable->entries[0].usVddciLimit;
+       limits->vddgfx = (uint16_t)limitable->entries[0].usVddgfxLimit;
+       return 0;
+ }
+ static int get_mclk_voltage_dependency_table(
+               struct pp_hwmgr *hwmgr,
+               phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_mclk_dep_table,
+               ATOM_Tonga_MCLK_Dependency_Table const *mclk_dep_table
+               )
+ {
+       uint32_t table_size, i;
+       phm_ppt_v1_clock_voltage_dependency_table *mclk_table;
+       phm_ppt_v1_clock_voltage_dependency_record *mclk_table_record;
+       ATOM_Tonga_MCLK_Dependency_Record *mclk_dep_record;
+       PP_ASSERT_WITH_CODE((0 != mclk_dep_table->ucNumEntries),
+               "Invalid PowerPlay Table!", return -1);
+       table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record)
+               * mclk_dep_table->ucNumEntries;
+       mclk_table = kzalloc(table_size, GFP_KERNEL);
+       if (NULL == mclk_table)
+               return -ENOMEM;
+       memset(mclk_table, 0x00, table_size);
+       mclk_table->count = (uint32_t)mclk_dep_table->ucNumEntries;
+       for (i = 0; i < mclk_dep_table->ucNumEntries; i++) {
+               mclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       phm_ppt_v1_clock_voltage_dependency_record,
+                                               entries, mclk_table, i);
+               mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       ATOM_Tonga_MCLK_Dependency_Record,
+                                               entries, mclk_dep_table, i);
+               mclk_table_record->vddInd = mclk_dep_record->ucVddcInd;
+               mclk_table_record->vdd_offset = mclk_dep_record->usVddgfxOffset;
+               mclk_table_record->vddci = mclk_dep_record->usVddci;
+               mclk_table_record->mvdd = mclk_dep_record->usMvdd;
+               mclk_table_record->clk = mclk_dep_record->ulMclk;
+       }
+       *pp_tonga_mclk_dep_table = mclk_table;
+       return 0;
+ }
+ static int get_sclk_voltage_dependency_table(
+               struct pp_hwmgr *hwmgr,
+               phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_sclk_dep_table,
+               PPTable_Generic_SubTable_Header const  *sclk_dep_table
+               )
+ {
+       uint32_t table_size, i;
+       phm_ppt_v1_clock_voltage_dependency_table *sclk_table;
+       phm_ppt_v1_clock_voltage_dependency_record *sclk_table_record;
+       if (sclk_dep_table->ucRevId < 1) {
+               const ATOM_Tonga_SCLK_Dependency_Table *tonga_table =
+                           (ATOM_Tonga_SCLK_Dependency_Table *)sclk_dep_table;
+               ATOM_Tonga_SCLK_Dependency_Record *sclk_dep_record;
+               PP_ASSERT_WITH_CODE((0 != tonga_table->ucNumEntries),
+                       "Invalid PowerPlay Table!", return -1);
+               table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record)
+                       * tonga_table->ucNumEntries;
+               sclk_table = kzalloc(table_size, GFP_KERNEL);
+               if (NULL == sclk_table)
+                       return -ENOMEM;
+               memset(sclk_table, 0x00, table_size);
+               sclk_table->count = (uint32_t)tonga_table->ucNumEntries;
+               for (i = 0; i < tonga_table->ucNumEntries; i++) {
+                       sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               ATOM_Tonga_SCLK_Dependency_Record,
+                                               entries, tonga_table, i);
+                       sclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               phm_ppt_v1_clock_voltage_dependency_record,
+                                               entries, sclk_table, i);
+                       sclk_table_record->vddInd = sclk_dep_record->ucVddInd;
+                       sclk_table_record->vdd_offset = sclk_dep_record->usVddcOffset;
+                       sclk_table_record->clk = sclk_dep_record->ulSclk;
+                       sclk_table_record->cks_enable =
+                               (((sclk_dep_record->ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0;
+                       sclk_table_record->cks_voffset = (sclk_dep_record->ucCKSVOffsetandDisable & 0x7F);
+               }
+       } else {
+               const ATOM_Polaris_SCLK_Dependency_Table *polaris_table =
+                           (ATOM_Polaris_SCLK_Dependency_Table *)sclk_dep_table;
+               ATOM_Polaris_SCLK_Dependency_Record *sclk_dep_record;
+               PP_ASSERT_WITH_CODE((0 != polaris_table->ucNumEntries),
+                       "Invalid PowerPlay Table!", return -1);
+               table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record)
+                       * polaris_table->ucNumEntries;
+               sclk_table = kzalloc(table_size, GFP_KERNEL);
+               if (NULL == sclk_table)
+                       return -ENOMEM;
+               memset(sclk_table, 0x00, table_size);
+               sclk_table->count = (uint32_t)polaris_table->ucNumEntries;
+               for (i = 0; i < polaris_table->ucNumEntries; i++) {
+                       sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               ATOM_Polaris_SCLK_Dependency_Record,
+                                               entries, polaris_table, i);
+                       sclk_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               phm_ppt_v1_clock_voltage_dependency_record,
+                                               entries, sclk_table, i);
+                       sclk_table_record->vddInd = sclk_dep_record->ucVddInd;
+                       sclk_table_record->vdd_offset = sclk_dep_record->usVddcOffset;
+                       sclk_table_record->clk = sclk_dep_record->ulSclk;
+                       sclk_table_record->cks_enable =
+                               (((sclk_dep_record->ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0;
+                       sclk_table_record->cks_voffset = (sclk_dep_record->ucCKSVOffsetandDisable & 0x7F);
+                       sclk_table_record->sclk_offset = sclk_dep_record->ulSclkOffset;
+               }
+       }
+       *pp_tonga_sclk_dep_table = sclk_table;
+       return 0;
+ }
+ static int get_pcie_table(
+               struct pp_hwmgr *hwmgr,
+               phm_ppt_v1_pcie_table **pp_tonga_pcie_table,
+               PPTable_Generic_SubTable_Header const *ptable
+               )
+ {
+       uint32_t table_size, i, pcie_count;
+       phm_ppt_v1_pcie_table *pcie_table;
+       struct phm_ppt_v1_information *pp_table_information =
+               (struct phm_ppt_v1_information *)(hwmgr->pptable);
+       phm_ppt_v1_pcie_record *pcie_record;
+       if (ptable->ucRevId < 1) {
+               const ATOM_Tonga_PCIE_Table *atom_pcie_table = (ATOM_Tonga_PCIE_Table *)ptable;
+               ATOM_Tonga_PCIE_Record *atom_pcie_record;
+               PP_ASSERT_WITH_CODE((atom_pcie_table->ucNumEntries != 0),
+                       "Invalid PowerPlay Table!", return -1);
+               table_size = sizeof(uint32_t) +
+                       sizeof(phm_ppt_v1_pcie_record) * atom_pcie_table->ucNumEntries;
+               pcie_table = kzalloc(table_size, GFP_KERNEL);
+               if (pcie_table == NULL)
+                       return -ENOMEM;
+               memset(pcie_table, 0x00, table_size);
+               /*
+               * Make sure the number of pcie entries are less than or equal to sclk dpm levels.
+               * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1.
+               */
+               pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1;
+               if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count)
+                       pcie_count = (uint32_t)atom_pcie_table->ucNumEntries;
+               else
+                       printk(KERN_ERR "[ powerplay ] Number of Pcie Entries exceed the number of SCLK Dpm Levels! \
+                       Disregarding the excess entries... \n");
+               pcie_table->count = pcie_count;
+               for (i = 0; i < pcie_count; i++) {
+                       pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               phm_ppt_v1_pcie_record,
+                                               entries, pcie_table, i);
+                       atom_pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               ATOM_Tonga_PCIE_Record,
+                                               entries, atom_pcie_table, i);
+                       pcie_record->gen_speed = atom_pcie_record->ucPCIEGenSpeed;
+                       pcie_record->lane_width = atom_pcie_record->usPCIELaneWidth;
+               }
+               *pp_tonga_pcie_table = pcie_table;
+       } else {
+               /* Polaris10/Polaris11 and newer. */
+               const ATOM_Polaris10_PCIE_Table *atom_pcie_table = (ATOM_Polaris10_PCIE_Table *)ptable;
+               ATOM_Polaris10_PCIE_Record *atom_pcie_record;
+               PP_ASSERT_WITH_CODE((atom_pcie_table->ucNumEntries != 0),
+                       "Invalid PowerPlay Table!", return -1);
+               table_size = sizeof(uint32_t) +
+                       sizeof(phm_ppt_v1_pcie_record) * atom_pcie_table->ucNumEntries;
+               pcie_table = kzalloc(table_size, GFP_KERNEL);
+               if (pcie_table == NULL)
+                       return -ENOMEM;
+               memset(pcie_table, 0x00, table_size);
+               /*
+               * Make sure the number of pcie entries are less than or equal to sclk dpm levels.
+               * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1.
+               */
+               pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1;
+               if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count)
+                       pcie_count = (uint32_t)atom_pcie_table->ucNumEntries;
+               else
+                       printk(KERN_ERR "[ powerplay ] Number of Pcie Entries exceed the number of SCLK Dpm Levels! \
+                       Disregarding the excess entries... \n");
+               pcie_table->count = pcie_count;
+               for (i = 0; i < pcie_count; i++) {
+                       pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               phm_ppt_v1_pcie_record,
+                                               entries, pcie_table, i);
+                       atom_pcie_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               ATOM_Polaris10_PCIE_Record,
+                                               entries, atom_pcie_table, i);
+                       pcie_record->gen_speed = atom_pcie_record->ucPCIEGenSpeed;
+                       pcie_record->lane_width = atom_pcie_record->usPCIELaneWidth;
+                       pcie_record->pcie_sclk = atom_pcie_record->ulPCIE_Sclk;
+               }
+               *pp_tonga_pcie_table = pcie_table;
+       }
+       return 0;
+ }
+ static int get_cac_tdp_table(
+               struct pp_hwmgr *hwmgr,
+               struct phm_cac_tdp_table **cac_tdp_table,
+               const PPTable_Generic_SubTable_Header * table
+               )
+ {
+       uint32_t table_size;
+       struct phm_cac_tdp_table *tdp_table;
+       table_size = sizeof(uint32_t) + sizeof(struct phm_cac_tdp_table);
+       tdp_table = kzalloc(table_size, GFP_KERNEL);
+       if (NULL == tdp_table)
+               return -ENOMEM;
+       memset(tdp_table, 0x00, table_size);
+       hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL);
+       if (NULL == hwmgr->dyn_state.cac_dtp_table) {
+               kfree(tdp_table);
+               return -ENOMEM;
+       }
+       memset(hwmgr->dyn_state.cac_dtp_table, 0x00, table_size);
+       if (table->ucRevId < 3) {
+               const ATOM_Tonga_PowerTune_Table *tonga_table =
+                       (ATOM_Tonga_PowerTune_Table *)table;
+               tdp_table->usTDP = tonga_table->usTDP;
+               tdp_table->usConfigurableTDP =
+                       tonga_table->usConfigurableTDP;
+               tdp_table->usTDC = tonga_table->usTDC;
+               tdp_table->usBatteryPowerLimit =
+                       tonga_table->usBatteryPowerLimit;
+               tdp_table->usSmallPowerLimit =
+                       tonga_table->usSmallPowerLimit;
+               tdp_table->usLowCACLeakage =
+                       tonga_table->usLowCACLeakage;
+               tdp_table->usHighCACLeakage =
+                       tonga_table->usHighCACLeakage;
+               tdp_table->usMaximumPowerDeliveryLimit =
+                       tonga_table->usMaximumPowerDeliveryLimit;
+               tdp_table->usDefaultTargetOperatingTemp =
+                       tonga_table->usTjMax;
+               tdp_table->usTargetOperatingTemp =
+                       tonga_table->usTjMax; /*Set the initial temp to the same as default */
+               tdp_table->usPowerTuneDataSetID =
+                       tonga_table->usPowerTuneDataSetID;
+               tdp_table->usSoftwareShutdownTemp =
+                       tonga_table->usSoftwareShutdownTemp;
+               tdp_table->usClockStretchAmount =
+                       tonga_table->usClockStretchAmount;
+       } else {   /* Fiji and newer */
+               const ATOM_Fiji_PowerTune_Table *fijitable =
+                       (ATOM_Fiji_PowerTune_Table *)table;
+               tdp_table->usTDP = fijitable->usTDP;
+               tdp_table->usConfigurableTDP = fijitable->usConfigurableTDP;
+               tdp_table->usTDC = fijitable->usTDC;
+               tdp_table->usBatteryPowerLimit = fijitable->usBatteryPowerLimit;
+               tdp_table->usSmallPowerLimit = fijitable->usSmallPowerLimit;
+               tdp_table->usLowCACLeakage = fijitable->usLowCACLeakage;
+               tdp_table->usHighCACLeakage = fijitable->usHighCACLeakage;
+               tdp_table->usMaximumPowerDeliveryLimit =
+                       fijitable->usMaximumPowerDeliveryLimit;
+               tdp_table->usDefaultTargetOperatingTemp =
+                       fijitable->usTjMax;
+               tdp_table->usTargetOperatingTemp =
+                       fijitable->usTjMax; /*Set the initial temp to the same as default */
+               tdp_table->usPowerTuneDataSetID =
+                       fijitable->usPowerTuneDataSetID;
+               tdp_table->usSoftwareShutdownTemp =
+                       fijitable->usSoftwareShutdownTemp;
+               tdp_table->usClockStretchAmount =
+                       fijitable->usClockStretchAmount;
+               tdp_table->usTemperatureLimitHotspot =
+                       fijitable->usTemperatureLimitHotspot;
+               tdp_table->usTemperatureLimitLiquid1 =
+                       fijitable->usTemperatureLimitLiquid1;
+               tdp_table->usTemperatureLimitLiquid2 =
+                       fijitable->usTemperatureLimitLiquid2;
+               tdp_table->usTemperatureLimitVrVddc =
+                       fijitable->usTemperatureLimitVrVddc;
+               tdp_table->usTemperatureLimitVrMvdd =
+                       fijitable->usTemperatureLimitVrMvdd;
+               tdp_table->usTemperatureLimitPlx =
+                       fijitable->usTemperatureLimitPlx;
+               tdp_table->ucLiquid1_I2C_address =
+                       fijitable->ucLiquid1_I2C_address;
+               tdp_table->ucLiquid2_I2C_address =
+                       fijitable->ucLiquid2_I2C_address;
+               tdp_table->ucLiquid_I2C_Line =
+                       fijitable->ucLiquid_I2C_Line;
+               tdp_table->ucVr_I2C_address = fijitable->ucVr_I2C_address;
+               tdp_table->ucVr_I2C_Line = fijitable->ucVr_I2C_Line;
+               tdp_table->ucPlx_I2C_address = fijitable->ucPlx_I2C_address;
+               tdp_table->ucPlx_I2C_Line = fijitable->ucPlx_I2C_Line;
+       }
+       *cac_tdp_table = tdp_table;
+       return 0;
+ }
+ static int get_mm_clock_voltage_table(
+               struct pp_hwmgr *hwmgr,
+               phm_ppt_v1_mm_clock_voltage_dependency_table **tonga_mm_table,
+               const ATOM_Tonga_MM_Dependency_Table * mm_dependency_table
+               )
+ {
+       uint32_t table_size, i;
+       const ATOM_Tonga_MM_Dependency_Record *mm_dependency_record;
+       phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table;
+       phm_ppt_v1_mm_clock_voltage_dependency_record *mm_table_record;
+       PP_ASSERT_WITH_CODE((0 != mm_dependency_table->ucNumEntries),
+               "Invalid PowerPlay Table!", return -1);
+       table_size = sizeof(uint32_t) +
+               sizeof(phm_ppt_v1_mm_clock_voltage_dependency_record)
+               * mm_dependency_table->ucNumEntries;
+       mm_table = kzalloc(table_size, GFP_KERNEL);
+       if (NULL == mm_table)
+               return -ENOMEM;
+       memset(mm_table, 0x00, table_size);
+       mm_table->count = mm_dependency_table->ucNumEntries;
+       for (i = 0; i < mm_dependency_table->ucNumEntries; i++) {
+               mm_dependency_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               ATOM_Tonga_MM_Dependency_Record,
+                                               entries, mm_dependency_table, i);
+               mm_table_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       phm_ppt_v1_mm_clock_voltage_dependency_record,
+                                       entries, mm_table, i);
+               mm_table_record->vddcInd = mm_dependency_record->ucVddcInd;
+               mm_table_record->vddgfx_offset = mm_dependency_record->usVddgfxOffset;
+               mm_table_record->aclk = mm_dependency_record->ulAClk;
+               mm_table_record->samclock = mm_dependency_record->ulSAMUClk;
+               mm_table_record->eclk = mm_dependency_record->ulEClk;
+               mm_table_record->vclk = mm_dependency_record->ulVClk;
+               mm_table_record->dclk = mm_dependency_record->ulDClk;
+       }
+       *tonga_mm_table = mm_table;
+       return 0;
+ }
+ /**
+  * Private Function used during initialization.
+  * Initialize clock voltage dependency
+  * @param hwmgr Pointer to the hardware manager.
+  * @param powerplay_table Pointer to the PowerPlay Table.
+  */
+ static int init_clock_voltage_dependency(
+               struct pp_hwmgr *hwmgr,
+               const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
+               )
+ {
+       int result = 0;
+       struct phm_ppt_v1_information *pp_table_information =
+               (struct phm_ppt_v1_information *)(hwmgr->pptable);
+       const ATOM_Tonga_MM_Dependency_Table *mm_dependency_table =
+               (const ATOM_Tonga_MM_Dependency_Table *)(((unsigned long) powerplay_table) +
+               le16_to_cpu(powerplay_table->usMMDependencyTableOffset));
+       const PPTable_Generic_SubTable_Header *pPowerTuneTable =
+               (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
+               le16_to_cpu(powerplay_table->usPowerTuneTableOffset));
+       const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
+               (const ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long) powerplay_table) +
+               le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));
+       const PPTable_Generic_SubTable_Header *sclk_dep_table =
+               (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
+               le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));
+       const ATOM_Tonga_Hard_Limit_Table *pHardLimits =
+               (const ATOM_Tonga_Hard_Limit_Table *)(((unsigned long) powerplay_table) +
+               le16_to_cpu(powerplay_table->usHardLimitTableOffset));
+       const PPTable_Generic_SubTable_Header *pcie_table =
+               (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
+               le16_to_cpu(powerplay_table->usPCIETableOffset));
+       pp_table_information->vdd_dep_on_sclk = NULL;
+       pp_table_information->vdd_dep_on_mclk = NULL;
+       pp_table_information->mm_dep_table = NULL;
+       pp_table_information->pcie_table = NULL;
+       if (powerplay_table->usMMDependencyTableOffset != 0)
+               result = get_mm_clock_voltage_table(hwmgr,
+               &pp_table_information->mm_dep_table, mm_dependency_table);
+       if (result == 0 && powerplay_table->usPowerTuneTableOffset != 0)
+               result = get_cac_tdp_table(hwmgr,
+               &pp_table_information->cac_dtp_table, pPowerTuneTable);
+       if (result == 0 && powerplay_table->usSclkDependencyTableOffset != 0)
+               result = get_sclk_voltage_dependency_table(hwmgr,
+               &pp_table_information->vdd_dep_on_sclk, sclk_dep_table);
+       if (result == 0 && powerplay_table->usMclkDependencyTableOffset != 0)
+               result = get_mclk_voltage_dependency_table(hwmgr,
+               &pp_table_information->vdd_dep_on_mclk, mclk_dep_table);
+       if (result == 0 && powerplay_table->usPCIETableOffset != 0)
+               result = get_pcie_table(hwmgr,
+               &pp_table_information->pcie_table, pcie_table);
+       if (result == 0 && powerplay_table->usHardLimitTableOffset != 0)
+               result = get_hard_limits(hwmgr,
+               &pp_table_information->max_clock_voltage_on_dc, pHardLimits);
+       hwmgr->dyn_state.max_clock_voltage_on_dc.sclk =
+               pp_table_information->max_clock_voltage_on_dc.sclk;
+       hwmgr->dyn_state.max_clock_voltage_on_dc.mclk =
+               pp_table_information->max_clock_voltage_on_dc.mclk;
+       hwmgr->dyn_state.max_clock_voltage_on_dc.vddc =
+               pp_table_information->max_clock_voltage_on_dc.vddc;
+       hwmgr->dyn_state.max_clock_voltage_on_dc.vddci =
+               pp_table_information->max_clock_voltage_on_dc.vddci;
+       if (result == 0 && (NULL != pp_table_information->vdd_dep_on_mclk)
+               && (0 != pp_table_information->vdd_dep_on_mclk->count))
+               result = get_valid_clk(hwmgr, &pp_table_information->valid_mclk_values,
+               pp_table_information->vdd_dep_on_mclk);
+       if (result == 0 && (NULL != pp_table_information->vdd_dep_on_sclk)
+               && (0 != pp_table_information->vdd_dep_on_sclk->count))
+               result = get_valid_clk(hwmgr, &pp_table_information->valid_sclk_values,
+               pp_table_information->vdd_dep_on_sclk);
+       return result;
+ }
+ /** Retrieves the (signed) Overdrive limits from VBIOS.
+  * The max engine clock, memory clock and max temperature come from the firmware info table.
+  *
+  * The information is placed into the platform descriptor.
+  *
+  * @param hwmgr source of the VBIOS table and owner of the platform descriptor to be updated.
+  * @param powerplay_table the address of the PowerPlay table.
+  *
+  * @return 1 as long as the firmware info table was present and of a supported version.
+  */
+ static int init_over_drive_limits(
+               struct pp_hwmgr *hwmgr,
+               const ATOM_Tonga_POWERPLAYTABLE *powerplay_table)
+ {
+       hwmgr->platform_descriptor.overdriveLimit.engineClock =
+               le16_to_cpu(powerplay_table->ulMaxODEngineClock);
+       hwmgr->platform_descriptor.overdriveLimit.memoryClock =
+               le16_to_cpu(powerplay_table->ulMaxODMemoryClock);
+       hwmgr->platform_descriptor.minOverdriveVDDC = 0;
+       hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
+       hwmgr->platform_descriptor.overdriveVDDCStep = 0;
+       if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 \
+               && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) {
+               phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+                       PHM_PlatformCaps_ACOverdriveSupport);
+       }
+       return 0;
+ }
+ /**
+  * Private Function used during initialization.
+  * Inspect the PowerPlay table for obvious signs of corruption.
+  * @param hwmgr Pointer to the hardware manager.
+  * @param powerplay_table Pointer to the PowerPlay Table.
+  * @exception This implementation always returns 1.
+  */
+ static int init_thermal_controller(
+               struct pp_hwmgr *hwmgr,
+               const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
+               )
+ {
+       const PPTable_Generic_SubTable_Header *fan_table;
+       ATOM_Tonga_Thermal_Controller *thermal_controller;
+       thermal_controller = (ATOM_Tonga_Thermal_Controller *)
+               (((unsigned long)powerplay_table) +
+               le16_to_cpu(powerplay_table->usThermalControllerOffset));
+       PP_ASSERT_WITH_CODE((0 != powerplay_table->usThermalControllerOffset),
+               "Thermal controller table not set!", return -1);
+       hwmgr->thermal_controller.ucType = thermal_controller->ucType;
+       hwmgr->thermal_controller.ucI2cLine = thermal_controller->ucI2cLine;
+       hwmgr->thermal_controller.ucI2cAddress = thermal_controller->ucI2cAddress;
+       hwmgr->thermal_controller.fanInfo.bNoFan =
+               (0 != (thermal_controller->ucFanParameters & ATOM_TONGA_PP_FANPARAMETERS_NOFAN));
+       hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution =
+               thermal_controller->ucFanParameters &
+               ATOM_TONGA_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
+       hwmgr->thermal_controller.fanInfo.ulMinRPM
+               = thermal_controller->ucFanMinRPM * 100UL;
+       hwmgr->thermal_controller.fanInfo.ulMaxRPM
+               = thermal_controller->ucFanMaxRPM * 100UL;
+       set_hw_cap(
+                       hwmgr,
+                       ATOM_TONGA_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
+                       PHM_PlatformCaps_ThermalController
+                 );
+       if (0 == powerplay_table->usFanTableOffset)
+               return 0;
+       fan_table = (const PPTable_Generic_SubTable_Header *)
+               (((unsigned long)powerplay_table) +
+               le16_to_cpu(powerplay_table->usFanTableOffset));
+       PP_ASSERT_WITH_CODE((0 != powerplay_table->usFanTableOffset),
+               "Fan table not set!", return -1);
+       PP_ASSERT_WITH_CODE((0 < fan_table->ucRevId),
+               "Unsupported fan table format!", return -1);
+       hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay
+               = 100000;
+       phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+               PHM_PlatformCaps_MicrocodeFanControl);
+       if (fan_table->ucRevId < 8) {
+               const ATOM_Tonga_Fan_Table *tonga_fan_table =
+                       (ATOM_Tonga_Fan_Table *)fan_table;
+               hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
+                       = tonga_fan_table->ucTHyst;
+               hwmgr->thermal_controller.advanceFanControlParameters.usTMin
+                       = tonga_fan_table->usTMin;
+               hwmgr->thermal_controller.advanceFanControlParameters.usTMed
+                       = tonga_fan_table->usTMed;
+               hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
+                       = tonga_fan_table->usTHigh;
+               hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
+                       = tonga_fan_table->usPWMMin;
+               hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
+                       = tonga_fan_table->usPWMMed;
+               hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
+                       = tonga_fan_table->usPWMHigh;
+               hwmgr->thermal_controller.advanceFanControlParameters.usTMax
+                       = 10900;                  /* hard coded */
+               hwmgr->thermal_controller.advanceFanControlParameters.usTMax
+                       = tonga_fan_table->usTMax;
+               hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
+                       = tonga_fan_table->ucFanControlMode;
+               hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
+                       = tonga_fan_table->usFanPWMMax;
+               hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
+                       = 4836;
+               hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
+                       = tonga_fan_table->usFanOutputSensitivity;
+               hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
+                       = tonga_fan_table->usFanRPMMax;
+               hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
+                       = (tonga_fan_table->ulMinFanSCLKAcousticLimit / 100); /* PPTable stores it in 10Khz unit for 2 decimal places.  SMC wants MHz. */
+               hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
+                       = tonga_fan_table->ucTargetTemperature;
+               hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
+                       = tonga_fan_table->ucMinimumPWMLimit;
+       } else {
+               const ATOM_Fiji_Fan_Table *fiji_fan_table =
+                       (ATOM_Fiji_Fan_Table *)fan_table;
+               hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
+                       = fiji_fan_table->ucTHyst;
+               hwmgr->thermal_controller.advanceFanControlParameters.usTMin
+                       = fiji_fan_table->usTMin;
+               hwmgr->thermal_controller.advanceFanControlParameters.usTMed
+                       = fiji_fan_table->usTMed;
+               hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
+                       = fiji_fan_table->usTHigh;
+               hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
+                       = fiji_fan_table->usPWMMin;
+               hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
+                       = fiji_fan_table->usPWMMed;
+               hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
+                       = fiji_fan_table->usPWMHigh;
+               hwmgr->thermal_controller.advanceFanControlParameters.usTMax
+                       = fiji_fan_table->usTMax;
+               hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
+                       = fiji_fan_table->ucFanControlMode;
+               hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
+                       = fiji_fan_table->usFanPWMMax;
+               hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
+                       = 4836;
+               hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
+                       = fiji_fan_table->usFanOutputSensitivity;
+               hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
+                       = fiji_fan_table->usFanRPMMax;
+               hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
+                       = (fiji_fan_table->ulMinFanSCLKAcousticLimit / 100); /* PPTable stores it in 10Khz unit for 2 decimal places.  SMC wants MHz. */
+               hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
+                       = fiji_fan_table->ucTargetTemperature;
+               hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
+                       = fiji_fan_table->ucMinimumPWMLimit;
+               hwmgr->thermal_controller.advanceFanControlParameters.usFanGainEdge
+                       = fiji_fan_table->usFanGainEdge;
+               hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHotspot
+                       = fiji_fan_table->usFanGainHotspot;
+               hwmgr->thermal_controller.advanceFanControlParameters.usFanGainLiquid
+                       = fiji_fan_table->usFanGainLiquid;
+               hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrVddc
+                       = fiji_fan_table->usFanGainVrVddc;
+               hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrMvdd
+                       = fiji_fan_table->usFanGainVrMvdd;
+               hwmgr->thermal_controller.advanceFanControlParameters.usFanGainPlx
+                       = fiji_fan_table->usFanGainPlx;
+               hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHbm
+                       = fiji_fan_table->usFanGainHbm;
+       }
+       return 0;
+ }
+ /**
+  * Private Function used during initialization.
+  * Inspect the PowerPlay table for obvious signs of corruption.
+  * @param hwmgr Pointer to the hardware manager.
+  * @param powerplay_table Pointer to the PowerPlay Table.
+  * @exception 2 if the powerplay table is incorrect.
+  */
+ static int check_powerplay_tables(
+               struct pp_hwmgr *hwmgr,
+               const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
+               )
+ {
+       const ATOM_Tonga_State_Array *state_arrays;
+       state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)powerplay_table) +
+               le16_to_cpu(powerplay_table->usStateArrayOffset));
+       PP_ASSERT_WITH_CODE((ATOM_Tonga_TABLE_REVISION_TONGA <=
+               powerplay_table->sHeader.ucTableFormatRevision),
+               "Unsupported PPTable format!", return -1);
+       PP_ASSERT_WITH_CODE((0 != powerplay_table->usStateArrayOffset),
+               "State table is not set!", return -1);
+       PP_ASSERT_WITH_CODE((0 < powerplay_table->sHeader.usStructureSize),
+               "Invalid PowerPlay Table!", return -1);
+       PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
+               "Invalid PowerPlay Table!", return -1);
+       return 0;
+ }
+ int pp_tables_v1_0_initialize(struct pp_hwmgr *hwmgr)
+ {
+       int result = 0;
+       const ATOM_Tonga_POWERPLAYTABLE *powerplay_table;
+       hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v1_information), GFP_KERNEL);
+       PP_ASSERT_WITH_CODE((NULL != hwmgr->pptable),
+                           "Failed to allocate hwmgr->pptable!", return -ENOMEM);
+       memset(hwmgr->pptable, 0x00, sizeof(struct phm_ppt_v1_information));
+       powerplay_table = get_powerplay_table(hwmgr);
+       PP_ASSERT_WITH_CODE((NULL != powerplay_table),
+               "Missing PowerPlay Table!", return -1);
+       result = check_powerplay_tables(hwmgr, powerplay_table);
+       PP_ASSERT_WITH_CODE((result == 0),
+                           "check_powerplay_tables failed", return result);
+       result = set_platform_caps(hwmgr,
+                                  le32_to_cpu(powerplay_table->ulPlatformCaps));
+       PP_ASSERT_WITH_CODE((result == 0),
+                           "set_platform_caps failed", return result);
+       result = init_thermal_controller(hwmgr, powerplay_table);
+       PP_ASSERT_WITH_CODE((result == 0),
+                           "init_thermal_controller failed", return result);
+       result = init_over_drive_limits(hwmgr, powerplay_table);
+       PP_ASSERT_WITH_CODE((result == 0),
+                           "init_over_drive_limits failed", return result);
+       result = init_clock_voltage_dependency(hwmgr, powerplay_table);
+       PP_ASSERT_WITH_CODE((result == 0),
+                           "init_clock_voltage_dependency failed", return result);
+       result = init_dpm_2_parameters(hwmgr, powerplay_table);
+       PP_ASSERT_WITH_CODE((result == 0),
+                           "init_dpm_2_parameters failed", return result);
+       return result;
+ }
+ int pp_tables_v1_0_uninitialize(struct pp_hwmgr *hwmgr)
+ {
+       struct phm_ppt_v1_information *pp_table_information =
+               (struct phm_ppt_v1_information *)(hwmgr->pptable);
+       kfree(pp_table_information->vdd_dep_on_sclk);
+       pp_table_information->vdd_dep_on_sclk = NULL;
+       kfree(pp_table_information->vdd_dep_on_mclk);
+       pp_table_information->vdd_dep_on_mclk = NULL;
+       kfree(pp_table_information->valid_mclk_values);
+       pp_table_information->valid_mclk_values = NULL;
+       kfree(pp_table_information->valid_sclk_values);
+       pp_table_information->valid_sclk_values = NULL;
+       kfree(pp_table_information->vddc_lookup_table);
+       pp_table_information->vddc_lookup_table = NULL;
+       kfree(pp_table_information->vddgfx_lookup_table);
+       pp_table_information->vddgfx_lookup_table = NULL;
+       kfree(pp_table_information->mm_dep_table);
+       pp_table_information->mm_dep_table = NULL;
+       kfree(pp_table_information->cac_dtp_table);
+       pp_table_information->cac_dtp_table = NULL;
+       kfree(hwmgr->dyn_state.cac_dtp_table);
+       hwmgr->dyn_state.cac_dtp_table = NULL;
+       kfree(pp_table_information->ppm_parameter_table);
+       pp_table_information->ppm_parameter_table = NULL;
+       kfree(pp_table_information->pcie_table);
+       pp_table_information->pcie_table = NULL;
+       kfree(hwmgr->pptable);
+       hwmgr->pptable = NULL;
+       return 0;
+ }
+ const struct pp_table_func pptable_v1_0_funcs = {
+       .pptable_init = pp_tables_v1_0_initialize,
+       .pptable_fini = pp_tables_v1_0_uninitialize,
+ };
+ int get_number_of_powerplay_table_entries_v1_0(struct pp_hwmgr *hwmgr)
+ {
+       ATOM_Tonga_State_Array const *state_arrays;
+       const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
+       PP_ASSERT_WITH_CODE((NULL != pp_table),
+                       "Missing PowerPlay Table!", return -1);
+       PP_ASSERT_WITH_CODE((pp_table->sHeader.ucTableFormatRevision >=
+                       ATOM_Tonga_TABLE_REVISION_TONGA),
+                       "Incorrect PowerPlay table revision!", return -1);
+       state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
+                       le16_to_cpu(pp_table->usStateArrayOffset));
+       return (uint32_t)(state_arrays->ucNumEntries);
+ }
+ /**
+ * Private function to convert flags stored in the BIOS to software flags in PowerPlay.
+ */
+ static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr,
+               uint16_t classification, uint16_t classification2)
+ {
+       uint32_t result = 0;
+       if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT)
+               result |= PP_StateClassificationFlag_Boot;
+       if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL)
+               result |= PP_StateClassificationFlag_Thermal;
+       if (classification & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
+               result |= PP_StateClassificationFlag_LimitedPowerSource;
+       if (classification & ATOM_PPLIB_CLASSIFICATION_REST)
+               result |= PP_StateClassificationFlag_Rest;
+       if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED)
+               result |= PP_StateClassificationFlag_Forced;
+       if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI)
+               result |= PP_StateClassificationFlag_ACPI;
+       if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
+               result |= PP_StateClassificationFlag_LimitedPowerSource_2;
+       return result;
+ }
+ static int ppt_get_num_of_vce_state_table_entries_v1_0(struct pp_hwmgr *hwmgr)
+ {
+       const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
+       const ATOM_Tonga_VCE_State_Table *vce_state_table =
+                               (ATOM_Tonga_VCE_State_Table *)(((unsigned long)pp_table) + le16_to_cpu(pp_table->usVCEStateTableOffset));
+       if (vce_state_table == NULL)
+               return 0;
+       return vce_state_table->ucNumEntries;
+ }
+ static int ppt_get_vce_state_table_entry_v1_0(struct pp_hwmgr *hwmgr, uint32_t i,
+               struct pp_vce_state *vce_state, void **clock_info, uint32_t *flag)
+ {
+       const ATOM_Tonga_VCE_State_Record *vce_state_record;
+       ATOM_Tonga_SCLK_Dependency_Record *sclk_dep_record;
+       ATOM_Tonga_MCLK_Dependency_Record *mclk_dep_record;
+       ATOM_Tonga_MM_Dependency_Record *mm_dep_record;
+       const ATOM_Tonga_POWERPLAYTABLE *pptable = get_powerplay_table(hwmgr);
+       const ATOM_Tonga_VCE_State_Table *vce_state_table = (ATOM_Tonga_VCE_State_Table *)(((unsigned long)pptable)
+                                                         + le16_to_cpu(pptable->usVCEStateTableOffset));
+       const ATOM_Tonga_SCLK_Dependency_Table *sclk_dep_table = (ATOM_Tonga_SCLK_Dependency_Table *)(((unsigned long)pptable)
+                                                         + le16_to_cpu(pptable->usSclkDependencyTableOffset));
+       const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table = (ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long)pptable)
+                                                         + le16_to_cpu(pptable->usMclkDependencyTableOffset));
+       const ATOM_Tonga_MM_Dependency_Table *mm_dep_table = (ATOM_Tonga_MM_Dependency_Table *)(((unsigned long)pptable)
+                                                         + le16_to_cpu(pptable->usMMDependencyTableOffset));
+       PP_ASSERT_WITH_CODE((i < vce_state_table->ucNumEntries),
+                        "Requested state entry ID is out of range!",
+                        return -EINVAL);
+       vce_state_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       ATOM_Tonga_VCE_State_Record,
+                                       entries, vce_state_table, i);
+       sclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       ATOM_Tonga_SCLK_Dependency_Record,
+                                       entries, sclk_dep_table,
+                                       vce_state_record->ucSCLKIndex);
+       mm_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       ATOM_Tonga_MM_Dependency_Record,
+                                       entries, mm_dep_table,
+                                       vce_state_record->ucVCEClockIndex);
+       *flag = vce_state_record->ucFlag;
+       vce_state->evclk = mm_dep_record->ulEClk;
+       vce_state->ecclk = mm_dep_record->ulEClk;
+       vce_state->sclk = sclk_dep_record->ulSclk;
+       if (vce_state_record->ucMCLKIndex >= mclk_dep_table->ucNumEntries)
+               mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       ATOM_Tonga_MCLK_Dependency_Record,
+                                       entries, mclk_dep_table,
+                                       mclk_dep_table->ucNumEntries - 1);
+       else
+               mclk_dep_record = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                       ATOM_Tonga_MCLK_Dependency_Record,
+                                       entries, mclk_dep_table,
+                                       vce_state_record->ucMCLKIndex);
+       vce_state->mclk = mclk_dep_record->ulMclk;
+       return 0;
+ }
+ /**
+ * Create a Power State out of an entry in the PowerPlay table.
+ * This function is called by the hardware back-end.
+ * @param hwmgr Pointer to the hardware manager.
+ * @param entry_index The index of the entry to be extracted from the table.
+ * @param power_state The address of the PowerState instance being created.
+ * @return -1 if the entry cannot be retrieved.
+ */
+ int get_powerplay_table_entry_v1_0(struct pp_hwmgr *hwmgr,
+               uint32_t entry_index, struct pp_power_state *power_state,
+               int (*call_back_func)(struct pp_hwmgr *, void *,
+                               struct pp_power_state *, void *, uint32_t))
+ {
+       int result = 0;
+       const ATOM_Tonga_State_Array *state_arrays;
+       const ATOM_Tonga_State *state_entry;
+       const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
+       int i, j;
+       uint32_t flags = 0;
+       PP_ASSERT_WITH_CODE((NULL != pp_table), "Missing PowerPlay Table!", return -1;);
+       power_state->classification.bios_index = entry_index;
+       if (pp_table->sHeader.ucTableFormatRevision >=
+                       ATOM_Tonga_TABLE_REVISION_TONGA) {
+               state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
+                               le16_to_cpu(pp_table->usStateArrayOffset));
+               PP_ASSERT_WITH_CODE((0 < pp_table->usStateArrayOffset),
+                               "Invalid PowerPlay Table State Array Offset.", return -1);
+               PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
+                               "Invalid PowerPlay Table State Array.", return -1);
+               PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries),
+                               "Invalid PowerPlay Table State Array Entry.", return -1);
+               state_entry = GET_FLEXIBLE_ARRAY_MEMBER_ADDR(
+                                               ATOM_Tonga_State, entries,
+                                               state_arrays, entry_index);
+               result = call_back_func(hwmgr, (void *)state_entry, power_state,
+                               (void *)pp_table,
+                               make_classification_flags(hwmgr,
+                                       le16_to_cpu(state_entry->usClassification),
+                                       le16_to_cpu(state_entry->usClassification2)));
+       }
+       if (!result && (power_state->classification.flags &
+                       PP_StateClassificationFlag_Boot))
+               result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(power_state->hardware));
+       hwmgr->num_vce_state_tables = i = ppt_get_num_of_vce_state_table_entries_v1_0(hwmgr);
+       if ((i != 0) && (i <= PP_MAX_VCE_LEVELS)) {
+               for (j = 0; j < i; j++)
+                       ppt_get_vce_state_table_entry_v1_0(hwmgr, j, &(hwmgr->vce_states[j]), NULL, &flags);
+       }
+       return result;
+ }
Simple merge
@@@ -25,6 -25,8 +25,7 @@@
   */
  #include <linux/module.h>
  #include <linux/slab.h>
 -#include <linux/fb.h>
+ #include <linux/pm_runtime.h>
  
  #include <drm/drmP.h>
  #include <drm/drm_crtc.h>