drm/amdgpu: add the support of XGMI link for GC 9.4.3

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Add the xgmi LFB_CNTL/LBF_SIZE reg addresses to fetch the xgmi info from.

v2: move get_xgmi_info() to GC_V9_4_3 sepecific source files to utilize
the register definitions specific for GC_V9_4_3
v3: remove the duplicated register definitions
v4: enable xgmi based on asic_type as XGMI_IP ver is not available
yet for IP discovery

Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Ack-by: Lijo Lazar <Lijo.Lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Shiwu Zhang 2022-02-21 15:38:39 +08:00 • committed by Alex Deucher

parent cd8d77f328

commit 9eb7681f76

2 changed files with 47 additions and 4 deletions

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41

drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c

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10

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

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