Yeah, the src_data is unfortunately not completed (you simply can't have all the bits of a 40bit address+flags in a 32bit dw). But it's the best we can do, so the patch is Reviewed-by: Christian König <christian.koenig at amd.com> as well. Regards, Christian. Am 07.02.2017 um 08:03 schrieb Zhang, Jerry: > If that info is enough for vf. > Reviewed-by: Junwei Zhang <Jerry.Zhang at amd.com> > > Regards, > Jerry (Junwei Zhang) > > Linux Base Graphics > SRDC Software Development > _____________________________________ > > >> -----Original Message----- >> From: Pixel Ding [mailto:Pixel.Ding at amd.com] >> Sent: Tuesday, February 07, 2017 14:07 >> To: Zhou, David(ChunMing); Koenig, Christian; Zhang, Jerry >> Cc: amd-gfx at lists.freedesktop.org; Ding, Pixel >> Subject: [PATCH] drm/amdgpu/virt: skip VM fault handler for VF (v2) >> >> VF uses KIQ to access registers. When VM fault occurs, the driver can't get back >> the fence of KIQ submission and runs into CPU soft lockup. >> >> v2: print IV entry info >> >> Signed-off-by: Pixel Ding <Pixel.Ding at amd.com> >> --- >> drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 7 +++++++ >> 1 file changed, 7 insertions(+) >> >> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c >> b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c >> index 7669b32..6502508 100644 >> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c >> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c >> @@ -1237,6 +1237,13 @@ static int gmc_v8_0_process_interrupt(struct >> amdgpu_device *adev, { >> u32 addr, status, mc_client; >> >> + if (amdgpu_sriov_vf(adev)) { >> + dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", >> + entry->src_id, entry->src_data); >> + dev_err(adev->dev, " Can't decode VM fault info here on SRIOV >> VF\n"); >> + return 0; >> + } >> + >> addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); >> status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); >> mc_client = >> RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); >> -- >> 2.7.4 > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
