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The two > values need to be tracked separately in the device descriptor since Xe2 > platforms only have a 48 bit virtual address range. > > Bspec: 59505, 65637, 70817 > Cc: Balasubramani Vivekanandan > Signed-off-by: Matt Roper > Signed-off-by: Lucas De Marchi > --- > drivers/gpu/drm/xe/xe_device_types.h | 2 ++ > drivers/gpu/drm/xe/xe_pci.c | 6 ++++++ > drivers/gpu/drm/xe/xe_pci_types.h | 1 + > drivers/gpu/drm/xe/xe_query.c | 3 +-- > drivers/gpu/drm/xe/xe_vm.c | 2 +- > 5 files changed, 11 insertions(+), 3 deletions(-) Reviewed-by: Balasubramani Vivekanandan Regards, Bala > > diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h > index 303447c093c5..18292aad87e9 100644 > --- a/drivers/gpu/drm/xe/xe_device_types.h > +++ b/drivers/gpu/drm/xe/xe_device_types.h > @@ -216,6 +216,8 @@ struct xe_device { > u8 gt_count; > /** @vm_max_level: Max VM level */ > u8 vm_max_level; > + /** @va_bits: Maximum bits of a virtual address */ > + u8 va_bits; > > /** @is_dgfx: is discrete device */ > u8 is_dgfx:1; > diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c > index fdd2eba1b91f..70d5f25c0d20 100644 > --- a/drivers/gpu/drm/xe/xe_pci.c > +++ b/drivers/gpu/drm/xe/xe_pci.c > @@ -106,6 +106,7 @@ static const struct xe_graphics_desc graphics_xelp = { > .hw_engine_mask = BIT(XE_HW_ENGINE_RCS0) | BIT(XE_HW_ENGINE_BCS0), > > .dma_mask_size = 39, > + .va_bits = 48, > .vm_max_level = 3, > }; > > @@ -117,6 +118,7 @@ static const struct xe_graphics_desc graphics_xelpp = { > .hw_engine_mask = BIT(XE_HW_ENGINE_RCS0) | BIT(XE_HW_ENGINE_BCS0), > > .dma_mask_size = 39, > + .va_bits = 48, > .vm_max_level = 3, > }; > > @@ -124,6 +126,7 @@ static const struct xe_graphics_desc graphics_xelpp = { > .has_range_tlb_invalidation = true, \ > .has_flat_ccs = true, \ > .dma_mask_size = 46, \ > + .va_bits = 48, \ > .vm_max_level = 3 > > static const struct xe_graphics_desc graphics_xehpg = { > @@ -157,6 +160,7 @@ static const struct xe_graphics_desc graphics_xehpc = { > XE_HP_FEATURES, > .dma_mask_size = 52, > .max_remote_tiles = 1, > + .va_bits = 57, > .vm_max_level = 4, > .vram_flags = XE_VRAM_FLAGS_NEED64K, > > @@ -182,6 +186,7 @@ static const struct xe_graphics_desc graphics_xelpg = { > .has_flat_ccs = 0 /* FIXME: implementation missing */, \ > .has_range_tlb_invalidation = 1, \ > .supports_usm = 0 /* FIXME: implementation missing */, \ > + .va_bits = 48, \ > .vm_max_level = 4, \ > .hw_engine_mask = \ > BIT(XE_HW_ENGINE_RCS0) | \ > @@ -587,6 +592,7 @@ static int xe_info_init(struct xe_device *xe, > > xe->info.dma_mask_size = graphics_desc->dma_mask_size; > xe->info.vram_flags = graphics_desc->vram_flags; > + xe->info.va_bits = graphics_desc->va_bits; > xe->info.vm_max_level = graphics_desc->vm_max_level; > xe->info.supports_usm = graphics_desc->supports_usm; > xe->info.has_asid = graphics_desc->has_asid; > diff --git a/drivers/gpu/drm/xe/xe_pci_types.h b/drivers/gpu/drm/xe/xe_pci_types.h > index ba31b933eb8e..df6ddbc52d7f 100644 > --- a/drivers/gpu/drm/xe/xe_pci_types.h > +++ b/drivers/gpu/drm/xe/xe_pci_types.h > @@ -14,6 +14,7 @@ struct xe_graphics_desc { > u8 rel; > > u8 dma_mask_size; /* available DMA address bits */ > + u8 va_bits; > u8 vm_max_level; > u8 vram_flags; > > diff --git a/drivers/gpu/drm/xe/xe_query.c b/drivers/gpu/drm/xe/xe_query.c > index 7ea235c71385..1db77a7c9039 100644 > --- a/drivers/gpu/drm/xe/xe_query.c > +++ b/drivers/gpu/drm/xe/xe_query.c > @@ -197,8 +197,7 @@ static int query_config(struct xe_device *xe, struct drm_xe_device_query *query) > XE_QUERY_CONFIG_FLAGS_HAS_VRAM; > config->info[XE_QUERY_CONFIG_MIN_ALIGNEMENT] = > xe->info.vram_flags & XE_VRAM_FLAGS_NEED64K ? SZ_64K : SZ_4K; > - config->info[XE_QUERY_CONFIG_VA_BITS] = 12 + > - (9 * (xe->info.vm_max_level + 1)); > + config->info[XE_QUERY_CONFIG_VA_BITS] = xe->info.va_bits; > config->info[XE_QUERY_CONFIG_GT_COUNT] = xe->info.gt_count; > config->info[XE_QUERY_CONFIG_MEM_REGION_COUNT] = > hweight_long(xe->info.mem_region_mask); > diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c > index 2e99f865d7ec..389ac5ba8ddf 100644 > --- a/drivers/gpu/drm/xe/xe_vm.c > +++ b/drivers/gpu/drm/xe/xe_vm.c > @@ -1207,7 +1207,7 @@ struct xe_vm *xe_vm_create(struct xe_device *xe, u32 flags) > kref_init(&vm->refcount); > dma_resv_init(&vm->resv); > > - vm->size = 1ull << xe_pt_shift(xe->info.vm_max_level + 1); > + vm->size = 1ull << xe->info.va_bits; > > vm->flags = flags; > > -- > 2.40.1 >