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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" On Tue, Aug 18, 2020 at 11:11:48PM +0800, Kuehling, Felix wrote: > I'd recommend making this the first change in the series. Make > 'drm/amdkfd: force raven as "dgpu" path' the second patch. That way it > only needs to change one place. > = Yes, right. > A few more comments inline. > = > = > Am 2020-08-18 um 9:09 a.m. schrieb Huang Rui: > > It's better to use inline function to wrap the iommu checking. > > > > Signed-off-by: Huang Rui > > --- > > drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 2 +- > > drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c | 4 ++-- > > .../gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c | 2 +- > > drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c | 4 ++-- > > drivers/gpu/drm/amd/amdkfd/kfd_iommu.c | 10 +++++----- > > drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 8 ++++++++ > > drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 6 +++--- > > 7 files changed, 22 insertions(+), 14 deletions(-) > > > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm= /amd/amdkfd/kfd_chardev.c > > index 20ef754dc62e..0598a1682854 100644 > > --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c > > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c > > @@ -1258,7 +1258,7 @@ bool kfd_dev_is_large_bar(struct kfd_dev *dev) > > return true; > > } > > = > > - if (dev->device_info->needs_iommu_device && !ignore_crat) > > + if (kfd_go_iommu_v2(dev->device_info)) > > return false; > > = > > amdgpu_amdkfd_get_local_mem_info(dev->kgd, &mem_info); > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c b/drivers/gpu/drm/= amd/amdkfd/kfd_dbgdev.c > > index 0c4161ac4102..04103273f52b 100644 > > --- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c > > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c > > @@ -309,7 +309,7 @@ static int dbgdev_address_watch_nodiq(struct kfd_db= gdev *dbgdev, > > for (i =3D 0; i < adw_info->num_watch_points; i++) { > > dbgdev_address_watch_set_registers(adw_info, &addrHi, &addrLo, > > &cntl, i, pdd->qpd.vmid, > > - dbgdev->dev->device_info->needs_iommu_device && !ignore_crat); > > + kfd_go_iommu_v2(dbgdev->dev->device_info)); > > = > > pr_debug("\t\t%30s\n", "* * * * * * * * * * * * * * * * * *"); > > pr_debug("\t\t%20s %08x\n", "register index :", i); > > @@ -399,7 +399,7 @@ static int dbgdev_address_watch_diq(struct kfd_dbgd= ev *dbgdev, > > for (i =3D 0; i < adw_info->num_watch_points; i++) { > > dbgdev_address_watch_set_registers(adw_info, &addrHi, &addrLo, > > &cntl, i, vmid, > > - dbgdev->dev->device_info->needs_iommu_device && !ignore_crat); > > + kfd_go_iommu_v2(dbgdev->dev->device_info)); > > = > > pr_debug("\t\t%30s\n", "* * * * * * * * * * * * * * * * * *"); > > pr_debug("\t\t%20s %08x\n", "register index :", i); > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c b= /drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c > > index 48b86bdbb680..70cede08e555 100644 > > --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c > > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v9.c > > @@ -62,7 +62,7 @@ static int update_qpd_v9(struct device_queue_manager = *dqm, > > SH_MEM_ALIGNMENT_MODE_UNALIGNED << > > SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT; > > if (amdgpu_noretry && > > - !(dqm->dev->device_info->needs_iommu_device && !ignore_crat)) > > + !(kfd_go_iommu_v2(dqm->dev->device_info))) > > qpd->sh_mem_config |=3D > > 1 << SH_MEM_CONFIG__RETRY_DISABLE__SHIFT; > > = > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c b/drivers/gpu= /drm/amd/amdkfd/kfd_flat_memory.c > > index 6044d36bceb6..fe7e31014289 100644 > > --- a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c > > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c > > @@ -321,7 +321,7 @@ static void kfd_init_apertures_vi(struct kfd_proces= s_device *pdd, uint8_t id) > > pdd->lds_base =3D MAKE_LDS_APP_BASE_VI(); > > pdd->lds_limit =3D MAKE_LDS_APP_LIMIT(pdd->lds_base); > > = > > - if (!(pdd->dev->device_info->needs_iommu_device && !ignore_crat)) { > > + if (!kfd_go_iommu_v2(pdd->dev->device_info)) { > > /* dGPUs: SVM aperture starting at 0 > > * with small reserved space for kernel. > > * Set them to CANONICAL addresses. > > @@ -423,7 +423,7 @@ int kfd_init_apertures(struct kfd_process *process) > > return -EINVAL; > > } > > = > > - if (!(dev->device_info->needs_iommu_device && !ignore_crat)) { > > + if (!kfd_go_iommu_v2(dev->device_info)) { > > /* dGPUs: the reserved space for kernel > > * before SVM > > */ > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c b/drivers/gpu/drm/a= md/amdkfd/kfd_iommu.c > > index c767b524bea4..ea05446572e1 100644 > > --- a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c > > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c > > @@ -41,7 +41,7 @@ int kfd_iommu_check_device(struct kfd_dev *kfd) > > struct amd_iommu_device_info iommu_info; > > int err; > > = > > - if (!(kfd->device_info->needs_iommu_device && !ignore_crat)) > > + if (!kfd_go_iommu_v2(kfd->device_info)) > > return -ENODEV; > > = > > iommu_info.flags =3D 0; > > @@ -63,7 +63,7 @@ int kfd_iommu_device_init(struct kfd_dev *kfd) > > unsigned int pasid_limit; > > int err; > > = > > - if (!(kfd->device_info->needs_iommu_device && !ignore_crat)) > > + if (!kfd_go_iommu_v2(kfd->device_info)) > > return 0; > > = > > iommu_info.flags =3D 0; > > @@ -109,7 +109,7 @@ int kfd_iommu_bind_process_to_device(struct kfd_pro= cess_device *pdd) > > struct kfd_process *p =3D pdd->process; > > int err; > > = > > - if (!(dev->device_info->needs_iommu_device && !ignore_crat) || pdd->b= ound =3D=3D PDD_BOUND) > > + if (!kfd_go_iommu_v2(dev->device_info) || pdd->bound =3D=3D PDD_BOUND) > > return 0; > > = > > if (unlikely(pdd->bound =3D=3D PDD_BOUND_SUSPENDED)) { > > @@ -284,7 +284,7 @@ static void kfd_unbind_processes_from_device(struct= kfd_dev *kfd) > > */ > > void kfd_iommu_suspend(struct kfd_dev *kfd) > > { > > - if (!(kfd->device_info->needs_iommu_device && !ignore_crat)) > > + if (!kfd_go_iommu_v2(kfd->device_info)) > > return; > > = > > kfd_unbind_processes_from_device(kfd); > > @@ -304,7 +304,7 @@ int kfd_iommu_resume(struct kfd_dev *kfd) > > unsigned int pasid_limit; > > int err; > > = > > - if (!(kfd->device_info->needs_iommu_device && !ignore_crat)) > > + if (!kfd_go_iommu_v2(kfd->device_info)) > > return 0; > > = > > pasid_limit =3D kfd_get_pasid_limit(); > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/am= d/amdkfd/kfd_priv.h > > index 60243798cce2..5087b23ccdb2 100644 > > --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h > > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h > > @@ -1232,6 +1232,14 @@ static inline int kfd_devcgroup_check_permission= (struct kfd_dev *kfd) > > #endif > > } > > = > > +static inline bool kfd_go_iommu_v2(const struct kfd_device_info *info) > = > I'd prefer a different function name: kfd_device_use_iommu_v2. > = > Then make the parameter const struct kfd_device *dev. > = > > +{ > > + if (!info) > > + return false; > > + > > + return info->needs_iommu_device && !ignore_crat; > > +} > = > If you need a NULL check, you could still write it in a more compact way > (I like inline functions to be one-liners): > = > =A0=A0=A0 return !ignore_crat && dev && dev->device_info->needs_iommu_dev= ice; > = > If you make this the first patch in the series, remove the !ignore_crat > part. That would be added in the second change. That's fine. It looks better, thanks. I will update it in V2. Thanks, Ray > = > Regards, > =A0 Felix > = > = > > + > > /* Debugfs */ > > #if defined(CONFIG_DEBUG_FS) > > = > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/dr= m/amd/amdkfd/kfd_topology.c > > index ad8139594b6f..e6f03867e0ed 100644 > > --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c > > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c > > @@ -545,7 +545,7 @@ static ssize_t node_show(struct kobject *kobj, stru= ct attribute *attr, > > * If the ASIC is APU except Kaveri, set local memory size > > * to 0 to disable local memory support > > */ > > - if (!(dev->gpu->device_info->needs_iommu_device && !ignore_crat) > > + if (!kfd_go_iommu_v2(dev->gpu->device_info) > > || dev->gpu->device_info->asic_family =3D=3D CHIP_KAVERI) { > > amdgpu_amdkfd_get_local_mem_info(dev->gpu->kgd, > > &local_mem_info); > > @@ -1198,7 +1198,7 @@ static struct kfd_topology_device *kfd_assign_gpu= (struct kfd_dev *gpu) > > /* Discrete GPUs need their own topology device list > > * entries. Don't assign them to CPU/APU nodes. > > */ > > - if (!(gpu->device_info->needs_iommu_device && !ignore_crat) && > > + if (!kfd_go_iommu_v2(gpu->device_info) && > > dev->node_props.cpu_cores_count) > > continue; > > = > > @@ -1453,7 +1453,7 @@ int kfd_topology_add_device(struct kfd_dev *gpu) > > * Overwrite ATS capability according to needs_iommu_device to fix > > * potential missing corresponding bit in CRAT of BIOS. > > */ > > - if (dev->gpu->device_info->needs_iommu_device && !ignore_crat) > > + if (kfd_go_iommu_v2(dev->gpu->device_info)) > > dev->node_props.capability |=3D HSA_CAP_ATS_PRESENT; > > else > > dev->node_props.capability &=3D ~HSA_CAP_ATS_PRESENT; _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx