From: Michal Wajdeczko Date: Fri, 27 Mar 2026 20:24:06 +0000 (+0100) Subject: drm/xe/uc: Track uc firmware state changes X-Git-Tag: v7.2-rc1~141^2~27^2~101 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=28c83ed7ceea67b3b411ddb30ff1e3181fc3af94;p=thirdparty%2Fkernel%2Flinux.git drm/xe/uc: Track uc firmware state changes 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 Reviewed-by: Matthew Brost Link: https://patch.msgid.link/20260327202407.563-1-michal.wajdeczko@intel.com --- diff --git a/drivers/gpu/drm/xe/xe_uc_fw.c b/drivers/gpu/drm/xe/xe_uc_fw.c index 9cebb24902457..df2aa196f6f9b 100644 --- a/drivers/gpu/drm/xe/xe_uc_fw.c +++ b/drivers/gpu/drm/xe/xe_uc_fw.c @@ -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) { diff --git a/drivers/gpu/drm/xe/xe_uc_fw.h b/drivers/gpu/drm/xe/xe_uc_fw.h index 6195e353f269e..bb281b72a6772 100644 --- a/drivers/gpu/drm/xe/xe_uc_fw.h +++ b/drivers/gpu/drm/xe/xe_uc_fw.h @@ -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)