From bc108ec78e2af5c7a5f6ef27e264b8093bd60e3b Mon Sep 17 00:00:00 2001 From: Trigger Huang Date: Tue, 11 Apr 2017 01:56:36 -0400 Subject: [PATCH] drm/amdgpu: Fix firmware UCODE_ID_STORAGE issue (v2) In Tonga's virtualization environment, for firmware UCODE_ID_STORAGE, there is no actual firmware data, but we still need alloc a BO and tell the BO's mc address to HW, or world switch will hang on VFs. v2: fix coding style (Alex) Signed-off-by: Trigger Huang Reviewed-by: Xiangliang Yu Reviewed-by: Monk Liu Acked-by: Huang Rui Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c index a1891c93cdbf..dfd1c98efa7c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c @@ -382,10 +382,14 @@ int amdgpu_ucode_init_bo(struct amdgpu_device *adev) * if SMU loaded firmware, it needn't add SMC, UVD, and VCE * ucode info here */ - if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) - adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM - 4; - else + if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { + if (amdgpu_sriov_vf(adev)) + adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM - 3; + else + adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM - 4; + } else { adev->firmware.max_ucodes = AMDGPU_UCODE_ID_MAXIMUM; + } for (i = 0; i < adev->firmware.max_ucodes; i++) { ucode = &adev->firmware.ucode[i]; -- GitLab