diff options
| author | Peng Ju Zhou <PengJu.Zhou@amd.com> | 2021-03-29 15:47:20 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:50:09 -0400 |
| commit | 77eabc6f5975dafeb76f7c7c2451282b91e9f5b6 (patch) | |
| tree | 1d006da0d5195c764037753dee5882216947b9ee /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | |
| parent | 8b8a162da820d48bb94261ae4684f2c839ce148c (diff) | |
| download | linux-stable-77eabc6f5975dafeb76f7c7c2451282b91e9f5b6.tar.gz linux-stable-77eabc6f5975dafeb76f7c7c2451282b91e9f5b6.tar.bz2 linux-stable-77eabc6f5975dafeb76f7c7c2451282b91e9f5b6.zip | |
drm/amdgpu: indirect register access for nv12 sriov
get pf2vf msg info at it's earliest time so that
guest driver can use these info to decide whether
register indirect access enabled.
Signed-off-by: Peng Ju Zhou <PengJu.Zhou@amd.com>
Reviewed-by: Emily.Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index d9ffff8eb41d..b62f134d6dd5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -617,6 +617,14 @@ void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev) if (adev->virt.ras_init_done) amdgpu_virt_add_bad_page(adev, bp_block_offset, bp_block_size); } + } else if (adev->bios != NULL) { + adev->virt.fw_reserve.p_pf2vf = + (struct amd_sriov_msg_pf2vf_info_header *) + (adev->bios + (AMD_SRIOV_MSG_PF2VF_OFFSET_KB << 10)); + + amdgpu_virt_read_pf2vf_data(adev); + + return; } if (adev->virt.vf2pf_update_interval_ms != 0) { |