+------------------------------------------+
| SMU Firmware Release Notes - BRISTOL AM4 |
+------------------------------------------+

+----------------------------+
| Version 1.27.19.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                05/08/16
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                Workaround to fix A12 no margin issue on P0
|
+------------------------------------------------------------------------------------------------------------


+----------------------------+
| Version 1.27.18.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                07/06/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                Remove rule that will only allow the top two states to be disabled for EDC checking
|
+------------------------------------------------------------------------------------------------------------


+----------------------------+
| Version 1.27.17.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                05/06/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-38: Workaround fusing issue and use GFXIDDx instead of NBIDDx for clipping
|
+------------------------------------------------------------------------------------------------------------


+----------------------------+
| Version 1.27.16.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                01/04/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-37: Fix/workaround for S3 issues when iGPU are disabled
|
+------------------------------------------------------------------------------------------------------------


+----------------------------+
| Version 1.27.15.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                29/01/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-36: Fuse check for Overclocking EN & re-enable OC via authentication
|
+------------------------------------------------------------------------------------------------------------


+----------------------------+
| Version 1.27.14.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                18/01/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-34: ShadowPstate Vid needs a bound
|                SMUBRSAM4-35: AVFS: AvfsVID change for DVT
|                SMUBRS-78: Secure SMN writes/read for Telemetry registers
|
+------------------------------------------------------------------------------------------------------------


+----------------------------+
| Version 1.27.13.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                22/12/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-32: No GPU VDDNB Power estimate bug
|                SMUBRSAM4-33: No GPU VDDNB High VDDNB Power Observed
|                SMUBRS-77: Deadlock prevention
|
+------------------------------------------------------------------------------------------------------------

+----------------------------+
| Version 1.27.11.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                14/12/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-27: SCLK stretcher parameter indexing error.
|                SMUBRSAM4-29: BRS AM4 SCLK stretcher parameter update.
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.10.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                11/12/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRS-76: Accidentally OC enabled all the time
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.9.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                23/11/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-25: Taking ACP out of reset for NPU parts
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.8.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                16/11/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-23: BR AM4 GFX CU Throttling not working fine
|                SMUBRSAM4-19: BAPM Pcalc needs tweaks to over-estimate power at lower cpu pstates
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.7.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                10/11/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-8: Support for CPU Overclocking protection based on authentication
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.6.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                5/11/15
|
|        * Features enabled
|
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-18: Updating AC BTC weights based on charz data
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.5.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                26/10/15
|
|        * Features enabled
|                SCLK Stretcher
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-14: System hang with SCLK Stretcher enabled in 35W cTDP configuration
|                Port over SMUBRS-67: ACC feature causing large run to run perf variation for IOMeter tests
|                Port over SMUBRS-69: BR FP4 Porting SMUCZ-535: Drop GFX CUs on PROCHOT
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.4.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                19/10/15
|
|        * Features enabled
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-11: Porting over SMUBRS-63
|                SMUBRSAM4-13: BR AM4 Make GFX a sub-block of GNB for better VDDNB BAPM power estimation and throttling
|                SMUBRSAM4-15: Port over No GPU support from CZ FP4 branch
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.3.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                12/10/15
|
|        * Features enabled
|
|        * FuseDoc
|
|        * Change Log
|                SMUBRSAM4-10: BR AM4: Change PPT Limit for 35W TDP to 42W
|                Following fix ported from FP4 to AM4
|                SMUBRS-50: Fix for PLAT-1978 [BR] Lower Stutter Efficiency (Pre Self Refresh UNB) on WGR5722N BIOS
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.2.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                21/09/15
|
|        * Features enabled
|
|        * FuseDoc
|
|        * Change Log
|                Following AVFS fixes ported from FP4 to AM4
|                SMUBRS-60: Nested Force/Unforce Wake
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.1.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                31/08/15
|
|        * Features enabled
|
|        * FuseDoc
|
|        * Change Log
|                Following AVFS fixes ported from FP4 to AM4
|                SMUBRS-49: Fix for PLAT-2006: [GR] System hangs at PC: A0d5 with external weekly BIOS imtermittently.
|                SMUBRS-53: Disable 2CP shadow Pstates for 12W
|                SMUBRS-56: Extension of SMUBRS-52
|
+------------------------------------------------------------------------------------------------------------
+----------------------------+
| Version 1.27.0.0           |
+----------------------------+------------------------------------------------------------------------------
|        * Date (dd/mm/yy)
|                17/08/15
|
|        * Features enabled
|
|        * FuseDoc
|
|        * Change Log
|                BR AM4 SMU FW for Bringup
|                SMUBRSAM4-1: BR AM4 Implement combined VDDNB and VDDGFX rail
|                SMUBRSAM4-2: BR AM4 Implement new system configurations specific to AM4
|                SMUBRSAM4-3: BR AM4 Remove A0 silicon version related workarounds
|
+------------------------------------------------------------------------------------------------------------

