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drm/xe/uc: Track uc firmware state changes

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Under CONFIG_DRM_XE_DEBUG_GUC print debug messages with each uc
firmware state transition to better visualize the changes.

  [drm:xe_uc_fw_change_status [xe]] Tile0: GT0: GuC UNINITIALIZED->SELECTED
  [drm:xe_uc_fw_change_status [xe]] Tile0: GT0: GuC SELECTED->AVAILABLE
  [drm:xe_uc_fw_change_status [xe]] Tile0: GT0: GuC AVAILABLE->LOADABLE
  [drm:xe_uc_fw_change_status [xe]] Tile0: GT0: GuC LOADABLE->TRANSFERRED
  [drm:xe_uc_fw_change_status [xe]] Tile0: GT0: GuC TRANSFERRED->RUNNING

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260327202407.563-1-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2026-03-27 21:24:06 +01:00
parent f47bf47a1a
commit 28c83ed7ce
2 changed files with 15 additions and 0 deletions
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11
drivers/gpu/drm/xe/xe_uc_fw.c
View File

@ -214,6 +214,17 @@ static struct xe_device *uc_fw_to_xe(struct xe_uc_fw *uc_fw)
return gt_to_xe(uc_fw_to_gt(uc_fw));
}
#if IS_ENABLED(CONFIG_DRM_XE_DEBUG_GUC)
void xe_uc_fw_change_status(struct xe_uc_fw *uc_fw, enum xe_uc_fw_status status)
{
xe_gt_dbg(uc_fw_to_gt(uc_fw), "%s %s->%s\n",
xe_uc_fw_type_repr(uc_fw->type),
xe_uc_fw_status_repr(uc_fw->status),
xe_uc_fw_status_repr(status));
uc_fw->__status = status;
}
#endif
static void
uc_fw_auto_select(struct xe_device *xe, struct xe_uc_fw *uc_fw)
{

4
drivers/gpu/drm/xe/xe_uc_fw.h
View File

@ -25,11 +25,15 @@ static inline u32 xe_uc_fw_rsa_offset(struct xe_uc_fw *uc_fw)
return sizeof(struct uc_css_header) + uc_fw->ucode_size + uc_fw->css_offset;
}
#if IS_ENABLED(CONFIG_DRM_XE_DEBUG_GUC)
void xe_uc_fw_change_status(struct xe_uc_fw *uc_fw, enum xe_uc_fw_status status);
#else
static inline void xe_uc_fw_change_status(struct xe_uc_fw *uc_fw,
enum xe_uc_fw_status status)
{
uc_fw->__status = status;
}
#endif
static inline
const char *xe_uc_fw_status_repr(enum xe_uc_fw_status status)