diff options
author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2017-10-16 14:47:18 +0000 |
---|---|---|
committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2017-10-16 18:53:27 +0300 |
commit | 5f99afdbf186733bf1a0fa55534e7e8e25e961db (patch) | |
tree | 9b2bd4a8e8a9fa6e05fbb7a0d667a5f277a91cdb | |
parent | 86ffc31211cbad56bc4e06441801a37b380b3779 (diff) | |
download | linux-5f99afdbf186733bf1a0fa55534e7e8e25e961db.tar.bz2 |
drm/i915/uc: Improve debug messages in firmware fetch
Time to remove less important info and make messages clear
and consistent.
v2: change some message levels (Chris)
v3: restore DRM_WARN (Chris)
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> #2
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016144724.17244-10-michal.wajdeczko@intel.com
-rw-r--r-- | drivers/gpu/drm/i915/intel_uc_fw.c | 75 |
1 files changed, 46 insertions, 29 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc_fw.c b/drivers/gpu/drm/i915/intel_uc_fw.c index 40f5ce482792..8a06781c2496 100644 --- a/drivers/gpu/drm/i915/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/intel_uc_fw.c @@ -45,26 +45,33 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, size_t size; int err; + DRM_DEBUG_DRIVER("%s fw fetch %s\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path); + if (!uc_fw->path) return; uc_fw->fetch_status = INTEL_UC_FIRMWARE_PENDING; - - DRM_DEBUG_DRIVER("before requesting firmware: uC fw fetch status %s\n", + DRM_DEBUG_DRIVER("%s fw fetch %s\n", + intel_uc_fw_type_repr(uc_fw->type), intel_uc_fw_status_repr(uc_fw->fetch_status)); err = request_firmware(&fw, uc_fw->path, &pdev->dev); - if (err) - goto fail; - if (!fw) + if (err) { + DRM_DEBUG_DRIVER("%s fw request_firmware err=%d\n", + intel_uc_fw_type_repr(uc_fw->type), err); goto fail; + } - DRM_DEBUG_DRIVER("fetch uC fw from %s succeeded, fw %p\n", - uc_fw->path, fw); + DRM_DEBUG_DRIVER("%s fw size %zu ptr %p\n", + intel_uc_fw_type_repr(uc_fw->type), fw->size, fw); /* Check the size of the blob before examining buffer contents */ if (fw->size < sizeof(struct uc_css_header)) { - DRM_NOTE("Firmware header is missing\n"); + DRM_WARN("%s: Unexpected firmware size (%zu, min %zu)\n", + intel_uc_fw_type_repr(uc_fw->type), + fw->size, sizeof(struct uc_css_header)); + err = -ENODATA; goto fail; } @@ -77,7 +84,9 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, sizeof(u32); if (uc_fw->header_size != sizeof(struct uc_css_header)) { - DRM_NOTE("CSS header definition mismatch\n"); + DRM_WARN("%s: Mismatched firmware header definition\n", + intel_uc_fw_type_repr(uc_fw->type)); + err = -ENOEXEC; goto fail; } @@ -96,7 +105,9 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, /* now RSA */ if (css->key_size_dw != UOS_RSA_SCRATCH_MAX_COUNT) { - DRM_NOTE("RSA key size is bad\n"); + DRM_WARN("%s: Mismatched firmware RSA key size (%u)\n", + intel_uc_fw_type_repr(uc_fw->type), css->key_size_dw); + err = -ENOEXEC; goto fail; } uc_fw->rsa_offset = uc_fw->ucode_offset + uc_fw->ucode_size; @@ -105,7 +116,9 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, /* At least, it should have header, uCode and RSA. Size of all three. */ size = uc_fw->header_size + uc_fw->ucode_size + uc_fw->rsa_size; if (fw->size < size) { - DRM_NOTE("Missing firmware components\n"); + DRM_WARN("%s: Truncated firmware (%zu, expected %zu)\n", + intel_uc_fw_type_repr(uc_fw->type), fw->size, size); + err = -ENOEXEC; goto fail; } @@ -127,17 +140,21 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, break; default: - DRM_ERROR("Unknown firmware type %d\n", uc_fw->type); - err = -ENOEXEC; - goto fail; + MISSING_CASE(uc_fw->type); + break; } + DRM_DEBUG_DRIVER("%s fw version %u.%u (wanted %u.%u)\n", + intel_uc_fw_type_repr(uc_fw->type), + uc_fw->major_ver_found, uc_fw->minor_ver_found, + uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); + if (uc_fw->major_ver_wanted == 0 && uc_fw->minor_ver_wanted == 0) { - DRM_NOTE("Skipping %s firmware version check\n", + DRM_NOTE("%s: Skipping firmware version check\n", intel_uc_fw_type_repr(uc_fw->type)); } else if (uc_fw->major_ver_found != uc_fw->major_ver_wanted || uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) { - DRM_NOTE("%s firmware version %d.%d, required %d.%d\n", + DRM_NOTE("%s: Wrong firmware version (%u.%u, required %u.%u)\n", intel_uc_fw_type_repr(uc_fw->type), uc_fw->major_ver_found, uc_fw->minor_ver_found, uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); @@ -145,34 +162,34 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, goto fail; } - DRM_DEBUG_DRIVER("firmware version %d.%d OK (minimum %d.%d)\n", - uc_fw->major_ver_found, uc_fw->minor_ver_found, - uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); - obj = i915_gem_object_create_from_data(dev_priv, fw->data, fw->size); if (IS_ERR(obj)) { err = PTR_ERR(obj); + DRM_DEBUG_DRIVER("%s fw object_create err=%d\n", + intel_uc_fw_type_repr(uc_fw->type), err); goto fail; } uc_fw->obj = obj; uc_fw->size = fw->size; - - DRM_DEBUG_DRIVER("uC fw fetch status SUCCESS, obj %p\n", - uc_fw->obj); + uc_fw->fetch_status = INTEL_UC_FIRMWARE_SUCCESS; + DRM_DEBUG_DRIVER("%s fw fetch %s\n", + intel_uc_fw_type_repr(uc_fw->type), + intel_uc_fw_status_repr(uc_fw->fetch_status)); release_firmware(fw); - uc_fw->fetch_status = INTEL_UC_FIRMWARE_SUCCESS; return; fail: - DRM_WARN("Failed to fetch valid uC firmware from %s (error %d)\n", - uc_fw->path, err); - DRM_DEBUG_DRIVER("uC fw fetch status FAIL; err %d, fw %p, obj %p\n", - err, fw, uc_fw->obj); + uc_fw->fetch_status = INTEL_UC_FIRMWARE_FAIL; + DRM_DEBUG_DRIVER("%s fw fetch %s\n", + intel_uc_fw_type_repr(uc_fw->type), + intel_uc_fw_status_repr(uc_fw->fetch_status)); + + DRM_WARN("%s: Failed to fetch firmware %s (error %d)\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err); release_firmware(fw); /* OK even if fw is NULL */ - uc_fw->fetch_status = INTEL_UC_FIRMWARE_FAIL; } /** |