Commit 013005d9 authored by Michal Wajdeczko's avatar Michal Wajdeczko Committed by Daniele Ceraolo Spurio

drm/i915/uc: Prepare for different firmware key sizes

Future GuC/HuC firmwares might be signed with different key sizes.
Don't assume that it must be always 2048 bits long.
Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: default avatarDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: default avatarMatthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211211000756.1698923-3-daniele.ceraolospurio@intel.com
parent 35d4efec
......@@ -355,13 +355,6 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
uc_fw->ucode_size = (css->size_dw - css->header_size_dw) * sizeof(u32);
/* now RSA */
if (unlikely(css->key_size_dw != UOS_RSA_SCRATCH_COUNT)) {
drm_warn(&i915->drm, "%s firmware %s: unexpected key size: %u != %u\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
css->key_size_dw, UOS_RSA_SCRATCH_COUNT);
err = -EPROTO;
goto fail;
}
uc_fw->rsa_size = css->key_size_dw * sizeof(u32);
/* At least, it should have header, uCode and RSA. Size of all three. */
......
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