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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 <Trigger.Huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Trigger Huang 2018-11-07 11:30:57 +08:00 committed by Alex Deucher
parent 3482d2d9b0
commit 2cf6dd9cc5
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
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@ -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;
}