Danilo Krummrich
2024-May-13 20:28 UTC
[PATCH v4] drm/nouveau: use tile_mode and pte_kind for VM_BIND bo allocations
Hi Mohamed, Thank you for fixing this up! On 5/9/24 22:43, Mohamed Ahmed wrote:> Allows PTE kind and tile mode on BO create with VM_BIND, > and adds a GETPARAM to indicate this change. This is needed to supportIt's usually better to use imperative verb form for commit messages. No need to send a new version though.> modifiers in NVK and ensure correctness when dealing with the nouveau > GL driver. > > The userspace modifiers implementation this is for can be found here: > https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24795 > > Fixes: b88baab82871 ("drm/nouveau: implement new VM_BIND uAPI") > Signed-off-by: Mohamed Ahmed <mohamedahmedegypt2001 at gmail.com>Applied to drm-misc-next-fixes. Generally, please make sure to use scripts/get_maintainer.pl before sending patches. - Danilo> --- > drivers/gpu/drm/nouveau/nouveau_abi16.c | 3 ++ > drivers/gpu/drm/nouveau/nouveau_bo.c | 44 +++++++++++-------------- > include/uapi/drm/nouveau_drm.h | 7 ++++ > 3 files changed, 29 insertions(+), 25 deletions(-) > > diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c > index 80f74ee0f..47e53e17b 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c > +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c > @@ -272,6 +272,9 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) > getparam->value = (u64)ttm_resource_manager_usage(vram_mgr); > break; > } > + case NOUVEAU_GETPARAM_HAS_VMA_TILEMODE: > + getparam->value = 1; > + break; > default: > NV_PRINTK(dbg, cli, "unknown parameter %lld\n", getparam->param); > return -EINVAL; > diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c > index db8cbf615..186add400 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_bo.c > +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c > @@ -241,28 +241,28 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 domain, > } > > nvbo->contig = !(tile_flags & NOUVEAU_GEM_TILE_NONCONTIG); > - if (!nouveau_cli_uvmm(cli) || internal) { > - /* for BO noVM allocs, don't assign kinds */ > - if (cli->device.info.family >= NV_DEVICE_INFO_V0_FERMI) { > - nvbo->kind = (tile_flags & 0x0000ff00) >> 8; > - if (!nvif_mmu_kind_valid(mmu, nvbo->kind)) { > - kfree(nvbo); > - return ERR_PTR(-EINVAL); > - } > > - nvbo->comp = mmu->kind[nvbo->kind] != nvbo->kind; > - } else if (cli->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { > - nvbo->kind = (tile_flags & 0x00007f00) >> 8; > - nvbo->comp = (tile_flags & 0x00030000) >> 16; > - if (!nvif_mmu_kind_valid(mmu, nvbo->kind)) { > - kfree(nvbo); > - return ERR_PTR(-EINVAL); > - } > - } else { > - nvbo->zeta = (tile_flags & 0x00000007); > + if (cli->device.info.family >= NV_DEVICE_INFO_V0_FERMI) { > + nvbo->kind = (tile_flags & 0x0000ff00) >> 8; > + if (!nvif_mmu_kind_valid(mmu, nvbo->kind)) { > + kfree(nvbo); > + return ERR_PTR(-EINVAL); > + } > + > + nvbo->comp = mmu->kind[nvbo->kind] != nvbo->kind; > + } else if (cli->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { > + nvbo->kind = (tile_flags & 0x00007f00) >> 8; > + nvbo->comp = (tile_flags & 0x00030000) >> 16; > + if (!nvif_mmu_kind_valid(mmu, nvbo->kind)) { > + kfree(nvbo); > + return ERR_PTR(-EINVAL); > } > - nvbo->mode = tile_mode; > + } else { > + nvbo->zeta = (tile_flags & 0x00000007); > + } > + nvbo->mode = tile_mode; > > + if (!nouveau_cli_uvmm(cli) || internal) { > /* Determine the desirable target GPU page size for the buffer. */ > for (i = 0; i < vmm->page_nr; i++) { > /* Because we cannot currently allow VMM maps to fail > @@ -304,12 +304,6 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 domain, > } > nvbo->page = vmm->page[pi].shift; > } else { > - /* reject other tile flags when in VM mode. */ > - if (tile_mode) > - return ERR_PTR(-EINVAL); > - if (tile_flags & ~NOUVEAU_GEM_TILE_NONCONTIG) > - return ERR_PTR(-EINVAL); > - > /* Determine the desirable target GPU page size for the buffer. */ > for (i = 0; i < vmm->page_nr; i++) { > /* Because we cannot currently allow VMM maps to fail > diff --git a/include/uapi/drm/nouveau_drm.h b/include/uapi/drm/nouveau_drm.h > index cd84227f1..5402f77ee 100644 > --- a/include/uapi/drm/nouveau_drm.h > +++ b/include/uapi/drm/nouveau_drm.h > @@ -68,6 +68,13 @@ extern "C" { > */ > #define NOUVEAU_GETPARAM_VRAM_USED 19 > > +/* > + * NOUVEAU_GETPARAM_HAS_VMA_TILEMODE > + * > + * Query whether tile mode and PTE kind are accepted with VM allocs or not. > + */ > +#define NOUVEAU_GETPARAM_HAS_VMA_TILEMODE 20 > + > struct drm_nouveau_getparam { > __u64 param; > __u64 value;