Update the file construction and specifying the required version
similar to that of GuC.Add an extra field for the build number.
Adopted the approach used in
https://patchwork.freedesktop.org/patch/104355/ <Tvrtko Ursulin>

Cc: Jeff Mcgee <[email protected]>
Signed-off-by: Anusha Srivatsa <[email protected]>
---
 drivers/gpu/drm/i915/intel_huc_loader.c | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_huc_loader.c 
b/drivers/gpu/drm/i915/intel_huc_loader.c
index 2f5d9d9..419caae 100644
--- a/drivers/gpu/drm/i915/intel_huc_loader.c
+++ b/drivers/gpu/drm/i915/intel_huc_loader.c
@@ -39,11 +39,24 @@
  *
  * Note that HuC firmware loading must be done before GuC loading.
  */
+#define SKL_FW_MAJOR 01
+#define SKL_FW_MINOR 07
+#define SKL_BLD_NUM 1398
 
-#define I915_SKL_HUC_UCODE "i915/skl_huc_ver01_07_1398.bin"
+#define BXT_FW_MAJOR 01
+#define BXT_FW_MINOR 07
+#define BXT_BLD_NUM 1398
+
+#define HUC_FW_PATH(platform, major, minor, bld_num) \
+       "i915/" __stringify(platform) "_huc_ver" __stringify(major) "_" \
+       __stringify(minor) "_" __stringify(bld_num) ".bin"
+
+#define I915_SKL_HUC_UCODE HUC_FW_PATH(skl, SKL_FW_MAJOR, \
+       SKL_FW_MINOR, SKL_BLD_NUM)
 MODULE_FIRMWARE(I915_SKL_HUC_UCODE);
 
-#define I915_BXT_HUC_UCODE "i915/bxt_huc_ver01_07_1398.bin"
+#define I915_BXT_HUC_UCODE HUC_FW_PATH(bxt, BXT_FW_MAJOR, \
+       BXT_FW_MINOR, BXT_BLD_NUM)
 MODULE_FIRMWARE(I915_BXT_HUC_UCODE);
 
 /**
@@ -151,12 +164,12 @@ void intel_huc_init(struct drm_device *dev)
 
        if (IS_SKYLAKE(dev_priv)) {
                fw_path = I915_SKL_HUC_UCODE;
-               huc_fw->major_ver_wanted = 1;
-               huc_fw->minor_ver_wanted = 7;
+               huc_fw->major_ver_wanted = SKL_FW_MAJOR;
+               huc_fw->minor_ver_wanted = SKL_FW_MINOR;
        } else if (IS_BROXTON(dev_priv)) {
                fw_path = I915_BXT_HUC_UCODE;
-               huc_fw->major_ver_wanted = 1;
-               huc_fw->minor_ver_wanted = 7;
+               huc_fw->major_ver_wanted = BXT_FW_MAJOR;
+               huc_fw->minor_ver_wanted = BXT_FW_MINOR;
        }
 
        if (fw_path == NULL)
-- 
2.7.4

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