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drm/amdgpu: Disable MCBP from soc21 for SRIOV

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[why]
Start from soc21, CP does not support MCBP, so disable it.

[how]
Used amgpu_mcbp flag alone instead of checking if is in SRIOV to
enable/disable MCBP.
Only set flag to enable on asic_type prior to soc21 in SRIOV.

Signed-off-by: Yiqing Yao <yiqing.yao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yiqing Yao
2022-10-28 17:30:17 +08:00
committed by Alex Deucher
parent 0cfce2401e
commit 8a1fbb4a5e
5 changed files with 11 additions and 7 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
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@@ -64,6 +64,10 @@ void amdgpu_virt_init_setting(struct amdgpu_device *adev)
ddev->driver_features &= ~DRIVER_ATOMIC;
adev->cg_flags = 0;
adev->pg_flags = 0;
/* enable mcbp for sriov asic_type before soc21 */
amdgpu_mcbp = (adev->asic_type < CHIP_IP_DISCOVERY) ? 1 : 0;
}
void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,