diff options
| author | Satyanarayana K V P <satyanarayana.k.v.p@intel.com> | 2025-12-01 12:50:13 +0300 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2025-12-02 18:11:24 +0300 |
| commit | 2e2dab20dd664ea1ca6ed2342f6dc509496c9290 (patch) | |
| tree | 9413e4344244876ee7dcc888408bcd184bfc7f86 /drivers | |
| parent | aa8225d4ee87d35eca89877981d8038ea2c0f402 (diff) | |
| download | linux-2e2dab20dd664ea1ca6ed2342f6dc509496c9290.tar.xz | |
drm/xe/vf: Enable VF migration only on supported GuC versions
Enable VF migration starting with GuC 70.54.0 (compatibility version
1.27.0) which supports additional VF2GUC_RESFIX_START message required
to handle migration recovery in a more robust way.
Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251201095011.21453-7-satyanarayana.k.v.p@intel.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sriov_vf.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_sriov_vf.c b/drivers/gpu/drm/xe/xe_sriov_vf.c index 284ce37ca92d..d56b8cfea50b 100644 --- a/drivers/gpu/drm/xe/xe_sriov_vf.c +++ b/drivers/gpu/drm/xe/xe_sriov_vf.c @@ -170,6 +170,26 @@ void xe_sriov_vf_init_early(struct xe_device *xe) vf_migration_init_early(xe); } +static bool vf_migration_init_late(struct xe_device *xe) +{ + struct xe_gt *gt = xe_root_mmio_gt(xe); + struct xe_uc_fw_version guc_version; + + if (!xe_sriov_vf_migration_supported(xe)) + return 0; + + xe_gt_sriov_vf_guc_versions(gt, NULL, &guc_version); + if (MAKE_GUC_VER_STRUCT(guc_version) < MAKE_GUC_VER(1, 27, 0)) { + xe_sriov_vf_migration_disable(xe, + "requires GuC ABI >= 1.27.0, but only %u.%u.%u found", + guc_version.major, guc_version.minor, + guc_version.patch); + return 0; + } + + return xe_sriov_vf_ccs_init(xe); +} + /** * xe_sriov_vf_init_late() - SR-IOV VF late initialization functions. * @xe: the &xe_device to initialize @@ -180,7 +200,7 @@ void xe_sriov_vf_init_early(struct xe_device *xe) */ int xe_sriov_vf_init_late(struct xe_device *xe) { - return xe_sriov_vf_ccs_init(xe); + return vf_migration_init_late(xe); } static int sa_info_vf_ccs(struct seq_file *m, void *data) |