From: Trigger Huang Date: Wed, 7 Nov 2018 03:30:57 +0000 (+0800) Subject: drm/amdgpu: disable page queue on Vega10 SR-IOV VF X-Git-Tag: for-linus-20190104~57^2~19^2~16 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=2cf6dd9cc5191ef9aec4f22cd64df8dc67e31c6d;p=linux-block.git drm/amdgpu: disable page queue on Vega10 SR-IOV VF Currently, SDMA page queue is not used under SR-IOV VF, and this queue will cause ring test failure in amdgpu module reload case. So just disable it. Signed-off-by: Trigger Huang Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index e39a09eb0fa1..8977e84bebe4 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1451,7 +1451,10 @@ static int sdma_v4_0_early_init(void *handle) adev->sdma.has_page_queue = false; } else { adev->sdma.num_instances = 2; - if (adev->asic_type != CHIP_VEGA20 && + /* TODO: Page queue breaks driver reload under SRIOV */ + if ((adev->asic_type == CHIP_VEGA10) && amdgpu_sriov_vf((adev))) + adev->sdma.has_page_queue = false; + else if (adev->asic_type != CHIP_VEGA20 && adev->asic_type != CHIP_VEGA12) adev->sdma.has_page_queue = true; }