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drm/amdgpu: skip GPRs init for some CU settings on ALDEBARAN

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Skip GPRs init in specific condition since current GPRs init algorithm only works for some CU settings.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tao Zhou
2021-10-20 11:17:25 +08:00
committed by Alex Deucher
parent 4320e6f86d
commit f7e053435c
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c
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@@ -706,6 +706,11 @@ int gfx_v9_4_2_do_edc_gpr_workarounds(struct amdgpu_device *adev)
if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX))
return 0;
/* Workaround for some CU settings, skip GPRs init.
Will remove it once GPRs init algorithm works for all CU settings */
if (adev->gfx.cu_info.bitmap[1][1] == 0x3f7f)
return 0;
gfx_v9_4_2_do_sgprs_init(adev);
gfx_v9_4_2_do_vgprs_init(adev);