From 8a1fbb4a5ec29d9ae5f792a1d3c049c5c709851c Mon Sep 17 00:00:00 2001 From: Yiqing Yao Date: Fri, 28 Oct 2022 17:30:17 +0800 Subject: drm/amdgpu: Disable MCBP from soc21 for SRIOV [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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index c73abe54d974..a226a6c48fb7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -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, -- cgit v1.2.3-70-g09d2