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| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-06-04 23:22:30 +0200 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-06-06 16:02:05 +0200 |
| commit | 5bfae679d39966fb12c8e390a80e7ecf05693dfe (patch) | |
| tree | c30e834065c19c4b14f739bf919e73a1fdb47f40 /drivers/gpu | |
| parent | drm/xe/vf: Custom uC initialization (diff) | |
| download | linux-5bfae679d39966fb12c8e390a80e7ecf05693dfe.tar.gz linux-5bfae679d39966fb12c8e390a80e7ecf05693dfe.zip | |
drm/xe/vf: Custom GuC reset
The VF drivers can't trigger real GuC firmware reset using GDRST
register, but for the VF drivers it is sufficient to send VF_RESET
message to reset any VF specific state maintained by the GuC.
Use our existing VF bootstrap function as VF_RESET is part of it.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240604212231.1416-4-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_guc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c index 086a048876ba..0bf6e01b8910 100644 --- a/drivers/gpu/drm/xe/xe_guc.c +++ b/drivers/gpu/drm/xe/xe_guc.c @@ -430,6 +430,9 @@ int xe_guc_reset(struct xe_guc *guc) xe_force_wake_assert_held(gt_to_fw(gt), XE_FW_GT); + if (IS_SRIOV_VF(gt_to_xe(gt))) + return xe_gt_sriov_vf_bootstrap(gt); + xe_mmio_write32(gt, GDRST, GRDOM_GUC); ret = xe_mmio_wait32(gt, GDRST, GRDOM_GUC, 0, 5000, &gdrst, false); |