From 77eabc6f5975dafeb76f7c7c2451282b91e9f5b6 Mon Sep 17 00:00:00 2001 From: Peng Ju Zhou Date: Mon, 29 Mar 2021 15:47:20 +0800 Subject: [PATCH] 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 Reviewed-by: Emily.Deng Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++++ drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 8 ++++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index a501d1a4d000..060d0ae99453 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2080,6 +2080,11 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); return r; } + + /*get pf2vf msg info at it's earliest time*/ + if (amdgpu_sriov_vf(adev)) + amdgpu_virt_init_data_exchange(adev); + } } 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) { -- 2.11.0