Sorry for the misunderstanding. Will test with similar fix instead of 5248e3d9 directly later. â?? Sincerely Yours, Pixel On 24/10/2017, 9:31 AM, "Ding, Pixel" <Pixel.Ding at amd.com> wrote: >Tested with 5248e3d9, however issue is still reproduced in reinit case. > >+Jack, >To bypass MSI enable/disable for reinit, any comment? >â?? >Sincerely Yours, >Pixel > > > > > > > >On 23/10/2017, 6:57 PM, "Liu, Monk" <Monk.Liu at amd.com> wrote: > >>Please check commit "5248e3d9", your issue should already be fixed by that patch, please verify >> >>-----Original Message----- >>From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] 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 at amd.com> >> >>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
