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path: root/drivers/gpu/drm/amd/amdgpu/vi.c
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2023-06-09drm/amdgpu: fix xclk freq on CHIP_STONEYChia-I Wu
According to Alex, most APUs from that time seem to have the same issue (vbios says 48Mhz, actual is 100Mhz). I only have a CHIP_STONEY so I limit the fixup to CHIP_STONEY Signed-off-by: Chia-I Wu <olvaffe@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-06-09drm/amdgpu: retire set_vga_state for some ASICLikun Gao
set_vga_state operation only allowed on SI generation ASIC, retire the realted function on those ASIC which did not do anything. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-04-18drm/amdgpu: add xcc index argument to select_sh_se function v2Le Ma
v1: To support multiple XCD case (Le) v2: introduce xcc index to gfx_v11_0_select_sh_se (Hawking) Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-03-29Merge v6.3-rc4 into drm-nextDaniel Vetter
I just landed the fence deadline PR from Rob that a bunch of drivers want/need to apply driver-specific patches. Backmerge -rc4 so that they don't have to be stuck on -rc2 for no reason at all. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2023-03-23drm/amdgpu/nv: Apply ASPM quirk on Intel ADL + AMD NaviKai-Heng Feng
S2idle resume freeze can be observed on Intel ADL + AMD WX5500. This is caused by commit 0064b0ce85bb ("drm/amd/pm: enable ASPM by default"). The root cause is still not clear for now. So extend and apply the ASPM quirk from commit e02fe3bc7aba ("drm/amdgpu: vi: disable ASPM on Intel Alder Lake based systems"), to workaround the issue on Navi cards too. Fixes: 0064b0ce85bb ("drm/amd/pm: enable ASPM by default") Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2458 Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2023-03-15drm/amdgpu: Retire pcie_gen3_enable functionHawking Zhang
Not needed since from vi. drop the function so we don't duplicate code when introduce new asics. Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-11-15drm/amdgpu: rework SR-IOV virtual display handlingAlex Deucher
virtual display is enabled unconditionally in SR-IOV, but without specifying the virtual_display module, the number of crtcs defaults to 0. Set a single display by default for SR-IOV if the virtual_display parameter is not set. Only enable virtual display by default on SR-IOV on asics which actually have display hardware. Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-06drm/amdgpu: vi: disable ASPM on Intel Alder Lake based systemsRichard Gong
Active State Power Management (ASPM) feature is enabled since kernel 5.14. There are some AMD Volcanic Islands (VI) GFX cards, such as the WX3200 and RX640, that do not work with ASPM-enabled Intel Alder Lake based systems. Using these GFX cards as video/display output, Intel Alder Lake based systems will freeze after suspend/resume. The issue was originally reported on one system (Dell Precision 3660 with BIOS version 0.14.81), but was later confirmed to affect at least 4 pre-production Alder Lake based systems. Add an extra check to disable ASPM on Intel Alder Lake based systems with the problematic AMD Volcanic Islands GFX cards. Fixes: 0064b0ce85bb ("drm/amd/pm: enable ASPM by default") Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1885 Signed-off-by: Richard Gong <richard.gong@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-04-08drm/amdgpu: expand cg_flags from u32 to u64Evan Quan
With this, we can support more CG flags. Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-02-17drm/amd: Refactor `amdgpu_aspm` to be evaluated per deviceMario Limonciello
Evaluating `pcie_aspm_enabled` as part of driver probe has the implication that if one PCIe bridge with an AMD GPU connected doesn't support ASPM then none of them do. This is an invalid assumption as the PCIe core will configure ASPM for individual PCIe bridges. Create a new helper function that can be called by individual dGPUs to react to the `amdgpu_aspm` module parameter without having negative results for other dGPUs on the PCIe bus. Suggested-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-01-14drm/amdgpu: don't do resets on APUs which don't support itAlex Deucher
It can cause a hang. This is normally not enabled for GPU hangs on these asics, but was recently enabled for handling aborted suspends. This causes hangs on some platforms on suspend. Fixes: daf8de0874ab5b ("drm/amdgpu: always reset the asic in suspend (v2)") Cc: stable@vger.kernel.org Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1858 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-30drm/amdgpu: reenable BACO support for 699F:C7 polaris12 SKUEvan Quan
This reverts the commit below: "drm/amdgpu: disable BACO support for 699F:C7 polaris12 SKU temporarily". As the S3 hang issue has been fixed by another commit: "drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend". Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-18drm/amdgpu: disable BACO support for 699F:C7 polaris12 SKU temporarilyEvan Quan
We have a S3 issue on that SKU with BACO enabled. Will bring back this when that root caused. Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-08-05drm/amdgpu: replace dce_virtual with amdgpu_vkms (v3)Ryan Taylor
Move dce_virtual into amdgpu_vkms and update all references to dce_virtual with amdgpu_vkms. v2: Removed more references to dce_virtual. v3: Restored display modes from previous implementation. Signed-off-by: Ryan Taylor <Ryan.Taylor@amd.com> Reported-by: kernel test robot <lkp@intel.com> Suggested-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-05-19drm/amd/pm: enable ASPM by defaultKenneth Feng
Since ASPM function has been stable, we don't need to add the modprobe parameter and we can enable ASPM by default. Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-04-15drm/amd/amdgpu: add ASPM support on polarisKenneth Feng
add ASPM support on polaris Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-26drm/amdgpu/codec: drop the internal codec indexAlex Deucher
And just use the ioctl index. They are the same. Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-26drm/amdgpu: add video decode/encode cap tables and asic callbacks (v3)Alex Deucher
For each asic family. Will be used to populate tables for the new INFO ioctl query. v2: add max_pixels_per_frame to handle the portrait case v3: fix copy paste typos Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Leo Liu <leo.liu@amd.com> (v1) Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-02-09drm/amdgpu/vi: minor clean up of reset codeAlex Deucher
Drop duplicate reset method logging, whitespace changes. Acked-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-11-24drm/amdgpu: Fix fall-through warnings for ClangGustavo A. R. Silva
In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple warnings by explicitly adding multiple break statements instead of just letting the code fall through to the next case. Link: https://github.com/KSPP/linux/issues/115 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-08-26drm/amdgpu: add pre_asic_init callback for VIAlex Deucher
Nothing to do for this family. Acked-by: Nirmoy Das <nirmoy.das@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-08-14drm/amdgpu: note what type of reset we are usingAlex Deucher
When we reset the GPU, note what type of reset will be used. This makes debugging different reset scenarios more clear as the driver may use different reset methods depending on conditions on the system. Acked-by: Nirmoy Das <nirmoy.das@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-08-14drm/amd/powerplay: optimize amdgpu_dpm_set_clockgating_by_smu() implementationEvan Quan
Cover the implementation details from outside(of power part). Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Nirmoy Das <nirmoy.das@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-07-15drm/amdgpu: add module parameter choose reset modeWenhui Sheng
Default value is auto, doesn't change original reset method logic. v2: change to use parameter reset_method v3: add warn msg if specified mode isn't supported Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Wenhui Sheng <Wenhui.Sheng@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-07-02drm/amdgpu: request init data in virt detectionWenhui Sheng
Move request init data to virt detection func, so we can insert request full access between request init data and set ip blocks. Signed-off-by: Wenhui Sheng <Wenhui.Sheng@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-13drm/amdgpu: fix wrong vram lost counter increment V2Evan Quan
Vram lost counter is wrongly increased by two during baco reset. V2: assumed vram lost for mode1 reset on all ASICs Signed-off-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-01drm/amdgpu: cleanup all virtualization detection routineMonk Liu
we need to move virt detection much earlier because: 1) HW team confirms us that RCC_IOV_FUNC_IDENTIFIER will always be at DE5 (dw) mmio offset from vega10, this way there is no need to implement detect_hw_virt() routine in each nbio/chip file. for VI SRIOV chip (tonga & fiji), the BIF_IOV_FUNC_IDENTIFIER is at 0x1503 2) we need to acknowledged we are SRIOV VF before we do IP discovery because the IP discovery content will be updated by host everytime after it recieved a new coming "REQ_GPU_INIT_DATA" request from guest (there will be patches for this new handshake soon). Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Emily Deng <Emily.Deng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-01-14drm/amd/powerplay: cover the powerplay implementation details V3Evan Quan
This can save users much troubles. As they do not actually need to care whether swSMU or traditional powerplay routine should be used. V2: apply the fixes to vi.c and cik.c also V3: squash in oops fix Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-11-26drm/amdgpu: flag vram lost on baco reset for VI/CIKAlex Deucher
VI/CIK BACO was inflight when this fix landed for SOC15/NV. Add the fix to VI/CIK as well. Acked-by: Evan Quan <evan.quan@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-11-19drm/amdgpu: add supports_baco callback for VI asics.Alex Deucher
BACO - Bus Active, Chip Off Check the BACO capabilities from the powerplay table. Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-10-15drm/amdgpu: enable BACO reset for SMU7 based dGPUs (v2)Alex Deucher
Use BACO to reset the GPU if supported on SMU7 based dGPUs. v2: don't use baco on CI parts Reviewed-by: Evan Quan <evan.quan@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-30drm/amdgpu: add reset_method asic callback for viAlex Deucher
VI always uses the legacy pci based reset. Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-07-17drm/amdgpu: drop dead headerAlex Deucher
Not used anymore. Reviewed-by: Evan Quan <evan.quan@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Noticed-by: Dave Airlie <airlied@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-14Merge tag 'drm-misc-next-2019-06-14' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.3: UAPI Changes: Cross-subsystem Changes: - Add code to signal all dma-fences when freed with pending signals. - Annotate reservation object access in CONFIG_DEBUG_MUTEXES Core Changes: - Assorted documentation fixes. - Use irqsave/restore spinlock to add crc entry. - Move code around to drm_client, for internal modeset clients. - Make drm_crtc.h and drm_debugfs.h self-contained. - Remove drm_fb_helper_connector. - Add bootsplash to todo. - Fix lock ordering in pan_display_legacy. - Support pinning buffers to current location in gem-vram. - Remove the now unused locking functions from gem-vram. - Remove the now unused kmap-object argument from vram helpers. - Stop checking return value of debugfs_create. - Add atomic encoder enable/disable helpers. - pass drm_atomic_state to atomic connector check. - Add atomic support for bridge enable/disable. - Add self refresh helpers to core. Driver Changes: - Add extra delay to make MTP SDM845 work. - Small fixes to virtio, vkms, sii902x, sii9234, ast, mcde, analogix, rockchip. - Add zpos and ?BGR8888 support to meson. - More removals of drm_os_linux and drmP headers for amd, radeon, sti, r128, r128, savage, sis. - Allow synopsis to unwedge the i2c hdmi bus. - Add orientation quirks for GPD panels. - Edid cleanups and fixing handling for edid < 1.2. - Add runtime pm to stm. - Handle s/r in dw-hdmi. - Add hooks for power on/off to dsi for stm. - Remove virtio dirty tracking code, done in drm core. - Rework BO handling in ast and mgag200. Tiny conflict in drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c, needed #include <linux/slab.h> to make it compile. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/0e01de30-9797-853c-732f-4a5bd6e61445@linux.intel.com
2019-06-10drm/amd: drop use of drmP.h in remaining filesSam Ravnborg
With this commit drm/amd/ has no longer any uses of the deprecated drmP.h header file. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20190609220757.10862-11-sam@ravnborg.org
2019-05-24drm/amdgpu: Add PCIe replay count sysfs fileKent Russell
Add a sysfs file for reporting the number of PCIe replays (NAKs). This returns the sum of NAKs received and NAKs generated Signed-off-by: Kent Russell <kent.russell@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-01-14drm/amdgpu/vi: add need_reset_on_init asic callback for VI (v2)Alex Deucher
VI chips require a reset if the driver was previously loaded because the SMU can only be loaded once between each reset. v2: rebase Reviewed-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-01-14drm/amdgpu: Add sysfs file for PCIe usage v5Kent Russell
Add a sysfs file that reports the number of bytes transmitted and received in the last second. This can be used to approximate the PCIe bandwidth usage over the last second. v2: Clarify use of mps as estimation of bandwidth v3: Don't make the file on APUs v4: Early exit for APUs in the read function, change output to display "packets-received packets-sent mps" v5: fix missing header for si (Alex) Signed-off-by: Kent Russell <kent.russell@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-01-14drm/amdgpu: Use sdma_engine arrayOak Zeng
Use sdma_engine[8] array instead of sdma_engine0~7 so it is easier to program. Signed-off-by: Oak Zeng <Oak.Zeng@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-12-14drm/amdgpu: access register without KIQEmily Deng
There is no need to access register such as mmSMC_IND_INDEX_11 and mmSMC_IND_DATA_11, PCIE_INDEX, PCIE_DATA through KIQ because they are VF-copy. Signed-off-by: Emily Deng <Emily.Deng@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-28drm/amdgpu: Doorbell index initialization for ASICs before vega10Oak Zeng
Initialize doorbell index for asics vi and cik v2: Use enum definition instead of hardcoded number Signed-off-by: Oak Zeng <ozeng@amd.com> Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com> Suggested-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-10-09drm/amdgpu: Change VI gfx/sdma/smu init sequenceRex Zhu
initialize gfx/sdma before dpm features enabled. Acked-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>
2018-08-21drm/amdgpu: access register without KIQYintian Tao
there is no need to access register such as mmSMC_IND_INDEX_11 and mmSMC_IND_DATA_11 through KIQ because they are VF-copy. Signed-off-by: Yintian Tao <yttao@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-07-13drm/amdgpu/vi: fix mixed up state in smu clockgating setupAlex Deucher
Use the PP_STATE_SUPPORT_* rather than AMD_CG_SUPPORT_* when communicating with the SMU. Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-05-15drm/amdgpu: add VEGAM support to viLeo Liu
Signed-off-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-05-15drm/amdgpu: Add APU support in vi_set_vce_clocksRex Zhu
1. fix set vce clocks failed on Cz/St which lead 1s delay when boot up. 2. remove the workaround in vce_v3_0.c Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Shirish S <shirish.s@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-05-15drm/amdgpu: Add APU support in vi_set_uvd_clocksRex Zhu
fix the issue set uvd clock failed on CZ/ST which lead 1s delay when boot up. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Shirish S <shirish.s@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2018-04-11drm/amdgpu/vi: implement asic need_full_reset callbackAlex Deucher
Used to check on a per SoC basis whether the SoC needs a full reset of a per IP soft reset. Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-03-19drm/amdgpu: Delete dead code when early initRex Zhu
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-03-15drm/amdgpu: Remove wrapper layer of smu ip functionsRex Zhu
1. delete amdgpu_powerplay.c used for wrapping smu ip functions 2. delete struct pp_instance, 3. make struct hwmgr as the smu hw handle. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>