diff options
| author | Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> | 2025-04-23 10:39:08 -0700 |
|---|---|---|
| committer | Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> | 2025-04-29 13:20:57 -0700 |
| commit | dba7d17d50b4488c697e991d18a0e55669d9fa59 (patch) | |
| tree | 89bd0e708b9c03ace6c5d22f38e5612fa2076d51 | |
| parent | f64cf7b681af72d3f715c0d0fd72091a54471c1a (diff) | |
drm/xe/vf: Fix guc_info debugfs for VFs
The guc_info debugfs attempts to read a bunch of registers that the VFs
doesn't have access to, so fix it by skipping the reads.
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4775
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Lukasz Laguna <lukasz.laguna@intel.com>
Reviewed-by: Lukasz Laguna <lukasz.laguna@intel.com>
Link: https://lore.kernel.org/r/20250423173908.1571412-1-daniele.ceraolospurio@intel.com
| -rw-r--r-- | drivers/gpu/drm/xe/xe_guc.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c index c5aace59b62c..bac5471a1a78 100644 --- a/drivers/gpu/drm/xe/xe_guc.c +++ b/drivers/gpu/drm/xe/xe_guc.c @@ -1510,30 +1510,32 @@ void xe_guc_print_info(struct xe_guc *guc, struct drm_printer *p) xe_uc_fw_print(&guc->fw, p); - fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT); - if (!fw_ref) - return; + if (!IS_SRIOV_VF(gt_to_xe(gt))) { + fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT); + if (!fw_ref) + return; + + status = xe_mmio_read32(>->mmio, GUC_STATUS); + + drm_printf(p, "\nGuC status 0x%08x:\n", status); + drm_printf(p, "\tBootrom status = 0x%x\n", + REG_FIELD_GET(GS_BOOTROM_MASK, status)); + drm_printf(p, "\tuKernel status = 0x%x\n", + REG_FIELD_GET(GS_UKERNEL_MASK, status)); + drm_printf(p, "\tMIA Core status = 0x%x\n", + REG_FIELD_GET(GS_MIA_MASK, status)); + drm_printf(p, "\tLog level = %d\n", + xe_guc_log_get_level(&guc->log)); + + drm_puts(p, "\nScratch registers:\n"); + for (i = 0; i < SOFT_SCRATCH_COUNT; i++) { + drm_printf(p, "\t%2d: \t0x%x\n", + i, xe_mmio_read32(>->mmio, SOFT_SCRATCH(i))); + } - status = xe_mmio_read32(>->mmio, GUC_STATUS); - - drm_printf(p, "\nGuC status 0x%08x:\n", status); - drm_printf(p, "\tBootrom status = 0x%x\n", - REG_FIELD_GET(GS_BOOTROM_MASK, status)); - drm_printf(p, "\tuKernel status = 0x%x\n", - REG_FIELD_GET(GS_UKERNEL_MASK, status)); - drm_printf(p, "\tMIA Core status = 0x%x\n", - REG_FIELD_GET(GS_MIA_MASK, status)); - drm_printf(p, "\tLog level = %d\n", - xe_guc_log_get_level(&guc->log)); - - drm_puts(p, "\nScratch registers:\n"); - for (i = 0; i < SOFT_SCRATCH_COUNT; i++) { - drm_printf(p, "\t%2d: \t0x%x\n", - i, xe_mmio_read32(>->mmio, SOFT_SCRATCH(i))); + xe_force_wake_put(gt_to_fw(gt), fw_ref); } - xe_force_wake_put(gt_to_fw(gt), fw_ref); - drm_puts(p, "\n"); xe_guc_ct_print(&guc->ct, p, false); |