> -----Original Message----- > From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf > Of Monk Liu > Sent: Friday, March 24, 2017 6:38 AM > To: amd-gfx at lists.freedesktop.org > Cc: Liu, Monk > Subject: [PATCH 09/13] drm/amdgpu:fix gmc_v9 vm fault process for SRIOV > > for SRIOV we cannot use access register when in IRQ routine > with regular KIQ method > > Change-Id: Ifae3164cf12311b851ae131f58175f6ec3174f82 > Signed-off-by: Monk Liu <Monk.Liu at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 24 ++++++++++++++++-------- > 1 file changed, 16 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c > b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c > index 51a1919..88221bb 100644 > --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c > @@ -138,20 +138,28 @@ static int gmc_v9_0_process_interrupt(struct > amdgpu_device *adev, > addr = (u64)entry->src_data[0] << 12; > addr |= ((u64)entry->src_data[1] & 0xf) << 44; > > - if (entry->vm_id_src) { > - status = RREG32(mmhub->vm_l2_pro_fault_status); > - WREG32_P(mmhub->vm_l2_pro_fault_cntl, 1, ~1); > - } else { > - status = RREG32(gfxhub->vm_l2_pro_fault_status); > - WREG32_P(gfxhub->vm_l2_pro_fault_cntl, 1, ~1); > - } > + if (!amdgpu_sriov_vf(adev)) { > + if (entry->vm_id_src) { > + status = RREG32(mmhub->vm_l2_pro_fault_status); > + WREG32_P(mmhub->vm_l2_pro_fault_cntl, 1, ~1); > + } else { > + status = RREG32(gfxhub->vm_l2_pro_fault_status); > + WREG32_P(gfxhub->vm_l2_pro_fault_cntl, 1, ~1); > + } > > - DRM_ERROR("[%s]VMC page fault (src_id:%u ring:%u vm_id:%u > pas_id:%u) " > + DRM_ERROR("[%s]VMC page fault (src_id:%u ring:%u > vm_id:%u pas_id:%u) " > "at page 0x%016llx from %d\n" > "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", > entry->vm_id_src ? "mmhub" : "gfxhub", > entry->src_id, entry->ring_id, entry->vm_id, entry->pas_id, > addr, entry->client_id, status); Fix the indentation here. > + } else { > + DRM_ERROR("[%s]VMC page fault (src_id:%u ring:%u > vm_id:%u pas_id:%u) " > + "at page 0x%016llx from %d\n", > + entry->vm_id_src ? "mmhub" : "gfxhub", > + entry->src_id, entry->ring_id, entry->vm_id, entry->pas_id, > + addr, entry->client_id); And here. With that fixed: Reviewed-by: Alex Deucher <alexander.deucher at amd.com> > + } > > return 0; > } > -- > 2.7.4 > > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx