[Intel-gfx] [PATCH v3 1/6] drm/i915/guc: Decode another GuC load failure case

[John . C . Harrison]

From: John Harrison <john.c.harri...@intel.com>

Explain another potential firmware failure mode and early exit the
long wait if hit.

Signed-off-by: John Harrison <john.c.harri...@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
---
 drivers/gpu/drm/i915/gt/uc/abi/guc_errors_abi.h | 1 +
 drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c       | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_errors_abi.h 
b/drivers/gpu/drm/i915/gt/uc/abi/guc_errors_abi.h
index bcb1129b36102..dabeaf4f245f3 100644
--- a/drivers/gpu/drm/i915/gt/uc/abi/guc_errors_abi.h
+++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_errors_abi.h
@@ -44,6 +44,7 @@ enum intel_guc_load_status {
 enum intel_bootrom_load_status {
        INTEL_BOOTROM_STATUS_NO_KEY_FOUND                 = 0x13,
        INTEL_BOOTROM_STATUS_AES_PROD_KEY_FOUND           = 0x1A,
+       INTEL_BOOTROM_STATUS_PROD_KEY_CHECK_FAILURE       = 0x2B,
        INTEL_BOOTROM_STATUS_RSA_FAILED                   = 0x50,
        INTEL_BOOTROM_STATUS_PAVPC_FAILED                 = 0x73,
        INTEL_BOOTROM_STATUS_WOPCM_FAILED                 = 0x74,
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c 
b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
index 6fda3aec5c66a..0ff088a5e51a8 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
@@ -129,6 +129,7 @@ static inline bool guc_load_done(struct intel_uncore 
*uncore, u32 *status, bool
        case INTEL_BOOTROM_STATUS_RC6CTXCONFIG_FAILED:
        case INTEL_BOOTROM_STATUS_MPUMAP_INCORRECT:
        case INTEL_BOOTROM_STATUS_EXCEPTION:
+       case INTEL_BOOTROM_STATUS_PROD_KEY_CHECK_FAILURE:
                *success = false;
                return true;
        }
@@ -219,6 +220,11 @@ static int guc_wait_ucode(struct intel_guc *guc)
                        guc_info(guc, "firmware signature verification 
failed\n");
                        ret = -ENOEXEC;
                        break;
+
+               case INTEL_BOOTROM_STATUS_PROD_KEY_CHECK_FAILURE:
+                       guc_info(guc, "firmware production part check 
failure\n");
+                       ret = -ENOEXEC;
+                       break;
                }
 
                switch (ukernel) {
-- 
2.39.1