drm/i915/uc: Remove redundant ucode offset definition

According to Firmware layout definition, uCode is located right
after CSS header, so ucode offset is always same as header size.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190726184212.1836-2-michal.wajdeczko@intel.com

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 b526bab..16ab9bc 100644 (file)
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
@@ -229,7 +229,6 @@ void intel_uc_fw_fetch(struct intel_uc_fw *uc_fw, struct drm_i915_private *i915)
        }
 
        /* uCode size must calculated from other sizes */
-       uc_fw->ucode_offset = sizeof(struct uc_css_header);
        uc_fw->ucode_size = (css->size_dw - css->header_size_dw) * sizeof(u32);
 
        /* now RSA */
@@ -239,7 +238,7 @@ void intel_uc_fw_fetch(struct intel_uc_fw *uc_fw, struct drm_i915_private *i915)
                err = -ENOEXEC;
                goto fail;
        }
-       uc_fw->rsa_offset = uc_fw->ucode_offset + uc_fw->ucode_size;
+       uc_fw->rsa_offset = sizeof(struct uc_css_header) + uc_fw->ucode_size;
        uc_fw->rsa_size = css->key_size_dw * sizeof(u32);
 
        /* At least, it should have header, uCode and RSA. Size of all three. */
@@ -536,8 +535,7 @@ void intel_uc_fw_dump(const struct intel_uc_fw *uc_fw, struct drm_printer *p)
        drm_printf(p, "\tversion: wanted %u.%u, found %u.%u\n",
                   uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted,
                   uc_fw->major_ver_found, uc_fw->minor_ver_found);
-       drm_printf(p, "\tuCode: offset %u, size %u\n",
-                  uc_fw->ucode_offset, uc_fw->ucode_size);
+       drm_printf(p, "\tuCode: %u bytes\n", uc_fw->ucode_size);
        drm_printf(p, "\tRSA: offset %u, size %u\n",
                   uc_fw->rsa_offset, uc_fw->rsa_size);
 }

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
index a8048f9..6a04bc6 100644 (file)
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
@@ -77,7 +77,6 @@ struct intel_uc_fw {
        u32 rsa_size;
        u32 rsa_offset;
        u32 ucode_size;
-       u32 ucode_offset;
 };
 
 static inline