From: Nirmoy Das Date: Tue, 30 Apr 2024 16:25:27 +0000 (+0200) Subject: drm/xe: Introduce has_device_atomics_on_smem device info X-Git-Tag: v6.11-rc1~141^2~26^2~166 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=06e69a424930154bf030a56f8ddf781aee71f0e3;p=thirdparty%2Fkernel%2Flinux.git drm/xe: Introduce has_device_atomics_on_smem device info Add has_device_atomics_on_smem to specify that a device supports device atomics on system memory. Currently XE2 supports this so set this for XE2. v2: Set has_device_atomics_on_smem for all platform but PVC. Reviewed-by: Oak Zeng Reviewed-by: José Roberto de Souza Acked-by: Lionel Landwerlin Link: https://patchwork.freedesktop.org/patch/msgid/20240430162529.21588-4-nirmoy.das@intel.com Signed-off-by: Nirmoy Das --- diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h index 7cddb00f9c35b..0af739981ebf3 100644 --- a/drivers/gpu/drm/xe/xe_device_types.h +++ b/drivers/gpu/drm/xe/xe_device_types.h @@ -283,6 +283,8 @@ struct xe_device { u8 skip_guc_pc:1; /** @info.has_atomic_enable_pte_bit: Device has atomic enable PTE bit */ u8 has_atomic_enable_pte_bit:1; + /** @info.has_device_atomics_on_smem: Supports device atomics on SMEM */ + u8 has_device_atomics_on_smem:1; #if IS_ENABLED(CONFIG_DRM_XE_DISPLAY) struct { diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c index c385f4ddf1633..99723a4238506 100644 --- a/drivers/gpu/drm/xe/xe_pci.c +++ b/drivers/gpu/drm/xe/xe_pci.c @@ -632,6 +632,8 @@ static int xe_info_init(struct xe_device *xe, xe->info.vm_max_level = graphics_desc->vm_max_level; xe->info.has_asid = graphics_desc->has_asid; xe->info.has_atomic_enable_pte_bit = graphics_desc->has_atomic_enable_pte_bit; + if (xe->info.platform != XE_PVC) + xe->info.has_device_atomics_on_smem = 1; xe->info.has_flat_ccs = graphics_desc->has_flat_ccs; xe->info.has_range_tlb_invalidation = graphics_desc->has_range_tlb_invalidation; xe->info.has_usm = graphics_desc->has_usm;