Please check commit "5248e3d9", your issue should already be fixed by that patch, please verify -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Pixel Ding Sent: 2017å¹´10æ??23æ?¥ 18:04 To: amd-gfx at lists.freedesktop.org Cc: Sun, Gary <Gary.Sun at amd.com>; Ding, Pixel <Pixel.Ding at amd.com>; Li, Bingley <Bingley.Li at amd.com> Subject: [PATCH 5/7] drm/amdgpu: don't disable MSI for GPU virtual function From: pding <Pixel.Ding@xxxxxxx> After calling pci_disable_msi() and pci_enable_msi(), VF can't receive interrupt anymore. This may introduce problems in module reloading or retrying init. Signed-off-by: pding <Pixel.Ding at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index c2d8255..a3314b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -229,8 +229,7 @@ int amdgpu_irq_init(struct amdgpu_device *adev) adev->irq.msi_enabled = false; if (amdgpu_msi_ok(adev)) { - int ret = pci_enable_msi(adev->pdev); - if (!ret) { + if (adev->pdev->msi_enabled || !pci_enable_msi(adev->pdev)) { adev->irq.msi_enabled = true; INIT_DEV_INFO(adev->dev, "amdgpu: using MSI.\n"); } @@ -280,7 +279,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev) if (adev->irq.installed) { drm_irq_uninstall(adev->ddev); adev->irq.installed = false; - if (adev->irq.msi_enabled) + if (adev->irq.msi_enabled && !amdgpu_sriov_vf(adev)) pci_disable_msi(adev->pdev); flush_work(&adev->hotplug_work); cancel_work_sync(&adev->reset_work); -- 2.9.5 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
