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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
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2017-11-28Revert "drm/amdgpu: fix rmmod KCQ disable failed error"Alex Deucher
This reverts commit 446947b44fb8cabc0213ff4efd706931e36b1963. this patch is incorrrect, amdgpu_ucode_bo_fini always called after gfx_hw_fini. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-11-21drm/amdgpu: fix rmmod KCQ disable failed errorWang Hongcheng
If gfx_v8_0_hw_fini is called after amdgpu_ucode_fini_bo, we will hit KCQ disabled failed. Let amdgpu_ucode_fini_bo run after gfx_v8_0_hw_fini. BUG: SWDEV-135547 Reviewed-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Wang Hongcheng <Annie.Wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-10-19drm/amdgpu: fix regresstion on SR-IOV gpu reset failedRex Zhu
fw ucode is corrupted after vf flr by PSP so ucode_init() is a must in psp_hw_init othewise KIQ/KCQ enabling will fail Revert "drm/amdgpu: refine code delete duplicated error handling" This reverts commit e57b87ff828f95efe992468e6d18c2c059b27aa9. Revert "drm/amdgpu: move amdgpu_ucode_init_bo to amdgpu_device.c" This reverts commit 815b8f8595148d06a64d2ce4282e8e80dfcb02f1. Reviewed-by: Monk Liu <monk.liu@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-10-01drm/amd/powerplay: refine code in amd_powerplay.c (v2)Rex Zhu
1. use flag PP_DPM_DISABLED within powerplay notify amdgpu dpm state by cgs interface. 2. delete redundant virtualization check in powerplay v2: squash in fix for hwmgr_init (Rex) Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-28drm/amdgpu: create powerplay by cgs interfaceRex Zhu
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-28drm/amdgpu: delete pp_enable in adevRex Zhu
amdgpu not care powerplay or dpm is enabled. just check ip functions and pp functions Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-28drm/amd/powerplay: fix memory leak in powerplayRex Zhu
cgs device not free. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-28drm/amdgpu: move amdgpu_ucode_init_bo to amdgpu_device.cRex Zhu
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-28drm/amdgpu: move common pm sysfs code to amdgpu_device.cRex Zhu
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-26drm/amdgpu: add powerplay support for CI asicsRex Zhu
currently, for CI asics, use dpm by default, amdgpu.dpm=-1. when set amdgpu.dpm=1, enable powplay. when set amdgpu.dpm=0, disable both dpm and powerplay. when powerplay is stable on CI asics, ci_dpm will be removed. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-18drm/amdgpu: unify the interface of amd_pm_funcsRex Zhu
put amd_pm_funcs table in struct powerplay for all asics. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-12drm/amd/powerplay: delete eventmgr layer in poweprlayRex Zhu
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-07-05drm/amd/powerplay: fix bug fail to remove sysfs when rmmod amdgpu.Rex Zhu
when hw_fini, pp will disable dpm.so remove sysfs before disable dpm. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Tested-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-07-03drm/amdgpu: Don't call amd_powerplay_destroy() if we don't have powerplayJohn Brooks
amd_powerplay_destroy() expects a handle pointing to a struct pp_instance. On chips without PowerPlay, pp_handle points to a struct amdgpu_device. The resulting attempt to kfree() fields of the wrong struct ends in fire: [ 91.560405] BUG: unable to handle kernel paging request at ffffebe000000620 [ 91.560414] IP: kfree+0x57/0x160 [ 91.560416] PGD 0 [ 91.560416] P4D 0 [ 91.560420] Oops: 0000 [#1] SMP [ 91.560422] Modules linked in: tun x86_pkg_temp_thermal crc32_pclmul ghash_clmulni_intel efivarfs amdgpu(-) i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm [ 91.560438] CPU: 6 PID: 3598 Comm: rmmod Not tainted 4.12.0-rc5-drm-next-4.13-ttmpatch+ #1 [ 91.560443] Hardware name: Gigabyte Technology Co., Ltd. Z97X-UD3H-BK/Z97X-UD3H-BK-CF, BIOS F6 06/17/2014 [ 91.560448] task: ffff8805063d6a00 task.stack: ffffc90003400000 [ 91.560451] RIP: 0010:kfree+0x57/0x160 [ 91.560454] RSP: 0018:ffffc90003403cc0 EFLAGS: 00010286 [ 91.560457] RAX: 000077ff80000000 RBX: 00000000000186a0 RCX: 0000000180400035 [ 91.560460] RDX: 0000000180400036 RSI: ffffea001418e740 RDI: ffffea0000000000 [ 91.560463] RBP: ffffc90003403cd8 R08: 000000000639d201 R09: 0000000180400035 [ 91.560467] R10: ffffebe000000600 R11: 0000000000000300 R12: ffff880500530030 [ 91.560470] R13: ffffffffa01e70fc R14: 00000000ffffffff R15: ffff880500530000 [ 91.560473] FS: 00007f7e500c3700(0000) GS:ffff88051ed80000(0000) knlGS:0000000000000000 [ 91.560478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.560480] CR2: ffffebe000000620 CR3: 0000000503103000 CR4: 00000000001406e0 [ 91.560483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.560487] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.560489] Call Trace: [ 91.560530] amd_powerplay_destroy+0x1c/0x60 [amdgpu] [ 91.560558] amdgpu_pp_late_fini+0x44/0x60 [amdgpu] [ 91.560575] amdgpu_fini+0x254/0x490 [amdgpu] [ 91.560593] amdgpu_device_fini+0x58/0x1b0 [amdgpu] [ 91.560610] amdgpu_driver_unload_kms+0x4f/0xa0 [amdgpu] [ 91.560622] drm_dev_unregister+0x3c/0xe0 [drm] [ 91.560638] amdgpu_pci_remove+0x19/0x30 [amdgpu] [ 91.560643] pci_device_remove+0x39/0xc0 [ 91.560648] device_release_driver_internal+0x155/0x210 [ 91.560651] driver_detach+0x38/0x70 [ 91.560655] bus_remove_driver+0x4c/0xa0 [ 91.560658] driver_unregister+0x2c/0x40 [ 91.560662] pci_unregister_driver+0x21/0x90 [ 91.560689] amdgpu_exit+0x15/0x406 [amdgpu] [ 91.560694] SyS_delete_module+0x1a8/0x270 [ 91.560698] ? exit_to_usermode_loop+0x92/0xa0 [ 91.560702] entry_SYSCALL_64_fastpath+0x13/0x94 [ 91.560705] RIP: 0033:0x7f7e4fc118e7 [ 91.560708] RSP: 002b:00007fff978ca118 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 91.560713] RAX: ffffffffffffffda RBX: 000055afe21bc200 RCX: 00007f7e4fc118e7 [ 91.560716] RDX: 000000000000000a RSI: 0000000000000800 RDI: 000055afe21bc268 [ 91.560719] RBP: 0000000000000003 R08: 0000000000000000 R09: 1999999999999999 [ 91.560722] R10: 0000000000000883 R11: 0000000000000206 R12: 00007fff978c9100 [ 91.560725] R13: 0000000000000000 R14: 0000000000000000 R15: 000055afe21bc200 [ 91.560728] Code: 00 00 00 80 ff 77 00 00 48 bf 00 00 00 00 00 ea ff ff 49 01 da 48 0f 42 05 57 33 bd 00 49 01 c2 49 c1 ea 0c 49 c1 e2 06 49 01 fa <49> 8b 42 20 48 8d 78 ff a8 01 4c 0f 45 d7 49 8b 52 20 48 8d 42 [ 91.560759] RIP: kfree+0x57/0x160 RSP: ffffc90003403cc0 [ 91.560761] CR2: ffffebe000000620 [ 91.560765] ---[ end trace 08a9f3cd82223c1d ]--- Fixes: 1c8638024846 (drm/amd/powerplay: refine powerplay interface.) Signed-off-by: John Brooks <john@fastquake.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2017-05-24drm/amdgpu/powerplay/raven: add smu block and enable powerplayHawking Zhang
Add the ip block and enable powerplay on raven. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29drm/amd/powerplay: add Vega10 powerplay support (v5)Eric Huang
Adds power management support for vega10. v2: squash in fan control and led config fixes from Rex v3: squash in dead code removal and socvid fixes from Rex v4: squash in dpm force level fix from Rex v5: squash in latest headless, gpu load fixes from Rex Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29drm/amdgpu: use new flag to handle different firmware loading methodHuang Rui
This patch introduces a new flag named "amdgpu_firmware_load_type" to handle different firmware loading method. Since Vega10, there are three ways to load firmware. It would be better to use a flag and a fw_load_type kernel parameter to configure it. Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29drm/amdgpu:fix powerplay logicMonk Liu
1,like pp_hw_init, we shouldn't report error if PP disabled 2,disable pp_en if sriov Signed-off-by: Monk Liu <Monk.Liu@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-01-27drm/amd/powerplay: refine powerplay interface.Rex Zhu
v2: add pp_check function to check pp_instance valid. 1. powerplay export two new interface to amdgpu, amd_powerplay_create/amd_powerplay_destroy. 2. create pp_instance/smumgr/hwmgr/eventmgr in early init, destroy them when lata_fini. 3. in sw_init, create and init asic private smumgr data, and free them when sw_fini. 4. in hw_init, create and init asic private hwmgr data, and free them when hw_fini. 5. export powerplay state: PP_DPM_DISABLED. when user disabled powerplay or hwmgr/eventmgr init failed, powerplay return this state to amdgpu. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-01-27drm/amd/powerplay: delete dpm code for Cz/St.Rex Zhu
The powerplay implementation has been the default for a while now. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-01-06drm/amdgpu/powerplay: add Polaris12 supportJunwei Zhang
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Ken Wang <Qingqing.Wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-23drm/amdgpu: Disable DPM in virtualizationTrigger Huang
This patch is used for virtualization support. In virtualization, only SMU manager is needed, DPM should be disabled. This is a use case for commit 2f9346b6f984 ("drm/amdgpu/powerplay: pp module only enable smu when dpm disabled.") Signed-off-by: Trigger Huang <trigger.huang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-11-11drm/amdgpu/powerplay: pp module only enable smu when dpm disabled.Rex Zhu
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-10-25drm/amdgpu: rework IP block registration (v2)Alex Deucher
This makes it easier to replace specific IP blocks on asics for handling virtual_dce, DAL, etc. and for building IP lists for hw or tables. This also stored the status information in the same structure. v2: split out spelling fix into a separate patch add a function to add IPs to the list Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-10-04drm/amdgpu: remove DRM_AMD_POWERPLAYAlex Deucher
Powerplay is no longer optional after the recently cleanups Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-09-22drm/amdgpu: use powerplay module for dgpu in Vi.Rex Zhu
delete non-pp code and files. It was just a temporary solution and not support dynamic power management. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-08-31drm/amdgpu: enable SI DPMMaruthi Srinivas Bayyavarapu
Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-08-25drm/amd/powerplay: simplify struct amd_pp_init.Rex Zhu
delete the members not needed when amd_powerplay_init. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-08-08drm/amd/powerplay: enable powerplay as default on CZ/STHuang Rui
Enable powerplay as default on Carrizo and Stoney. And it can be disabled with amdgpu.powerplay=0. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Huang Rui <ray.huang@amd.com> Cc: Rex Zhu <Rex.Zhu@amd.com> Cc: Flora Cui <Flora.Cui@amd.com> Cc: Ken Wang <Qingqing.Wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-08-08drm/amd/powerplay: pass sub_device_id and sub_vendor_id to powerplay.Rex Zhu
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-08-08drm/amdgpu: add module parameters to ctrl powerplay featureRex Zhu
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-08-08drm/amdgpu/powerplay: enable powerplay by default on TOPAZAlex Deucher
Now that the implementation is complete. Acked-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-08-08drm/amdgpu: enable iceland powerplay manuallyHuang Rui
It's able to enable iceland powerplay manually via the module parameter. The default state is disabled. Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-07drm/amdgpu: add powercontainment module parameterHuang Rui
This patch makes powercontainment feature configurable. Currently, the powercontainment is not very stable, so add a module parameter to enable/disable it via user mode. Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-06-10drm/amdgpu: fix warning with powerplay disabled.Dave Airlie
This just fixes a warning when you disable powerplay. Signed-off-by: Dave Airlie <airlied@redhat.com>
2016-06-09drm/amdgpu: fix pplib finish bugMonk Liu
1,should use late_fini to kfree all resource otherwise the released pointer maybe accessed in IRQ ip fini routine. 2,hwmgr should not be kfree by pem_fini which is invoked by hw fini path. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-06-09drm/amdgpu: impl late_fini for amdgpu_pp_ipMonk Liu
This implements late_init support for powerplay. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-11drm/amd/amdgpu: Add name field to amd_ip_funcs (v2)Tom St Denis
Add name that we can print out in kernel messages to aid in debugging. v2: drop DAL changes for upstream Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04drm/amd/amdgpu: Drop print_status callbacks.Tom St Denis
First patch in series to move to user mode debug tools we're removing the print_status callbacks. These functions were unused at the moment anyway. Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04drm/amdgpu: change ELM/BAF to Polaris10/Polaris11Flora Cui
Adjust to preferred code names. Signed-off-by: Flora Cui <Flora.Cui@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-04drm/amd/powerplay: enable powerplay for baffin.Rex Zhu
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-04-01drm/amdgpu: check dpm state before pm system fs initialized.Rex Zhu
Make sure powerplay initialized properly before enabling debugfs pm files. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed- by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-04-01drm/amdgpu: Not support disable dpm in powerplay.Rex Zhu
We don't support the dpm parameter in powerplay. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-03-02drm/amd/powerplay: send event to notify powerplay all modules are initialized.Rex Zhu
with this event, powerplay can adjust current power state if needed. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2016-01-19drm/amdgpu: Allow the driver to load if amdgpu.powerplay=1 on asics without ↵Jordan Lazare
powerplay support Avoid setting pp_enabled if there is no powerplay implementation. Signed-off-by: Jordan Lazare <Jordan.Lazare@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21amd/powerplay: disable powerplay by default initiallyAlex Deucher
Hopefully we can enable this by default once we get more upstream feedback on stability, etc. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21drm/amdgpu/powerplay: enable sysfs and debugfs interfaces lateAlex Deucher
To avoid users accessing them before the module has finished initializing them and make sure they are only created if dpm has properly initialized. Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-12-21drm/amd/powerplay: check whether enable dpm in powerplay.Rex Zhu
Change-Id: I0a2dbf8ef7d4a3e9788fe211fc5964dd2487c519 Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
2015-12-21drm/amd/powerplay: fix bug that dpm funcs in debugfs/sysfs missing.Rex Zhu
in dpm module, sysfs init func move to late_init from sw_init. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Change-Id: Ice4a73212d8e3106d05f04a27043820ffd32929e Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
2015-12-21amdgpu/powerplay: Add Stoney to list of early init casesTom St Denis
Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>