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>

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index e39a09e..8977e84 100644 (file)
--- 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;
        }