diff mbox series

[v2,2/3] drm/i915/uc: Prepare for different firmware key sizes

Message ID 20211211000756.1698923-3-daniele.ceraolospurio@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915: Support bigger GuC RSA keys | expand

Commit Message

Daniele Ceraolo Spurio Dec. 11, 2021, 12:07 a.m. UTC 
From: Michal Wajdeczko <michal.wajdeczko@intel.com>

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: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
---
 drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 7 -------
 1 file changed, 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
index b7fa51aefdff..01683f5f95bd 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
@@ -322,13 +322,6 @@  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. */