From: Tvrtko Ursulin <[email protected]>

Currently to change the firmware one has to update the exported
module firmware string and the major-minor versions used for
verification after load. Consolidate that to a single place
defining correct major and minor versions per platform.

v2: Rebased for KBL.

Signed-off-by: Tvrtko Ursulin <[email protected]>
Cc: Dave Gordon <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Peter Antoine <[email protected]>
Cc: Michel Thierry <[email protected]>
Reviewed-by: Dave Gordon <[email protected]> (v1)
---
 drivers/gpu/drm/i915/intel_guc_loader.c | 30 +++++++++++++++++++++---------
 1 file changed, 21 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c 
b/drivers/gpu/drm/i915/intel_guc_loader.c
index d80b617ad9af..e5fa3932bf54 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -59,13 +59,25 @@
  *
  */
 
-#define I915_SKL_GUC_UCODE "i915/skl_guc_ver6_1.bin"
+#define SKL_FW_MAJOR 6
+#define SKL_FW_MINOR 1
+
+#define BXT_FW_MAJOR 8
+#define BXT_FW_MINOR 7
+
+#define KBL_FW_MAJOR 9
+#define KBL_FW_MINOR 14
+
+#define GUC_FW_PATH(platform, major, minor) \
+       "i915/" __stringify(platform) "_guc_ver" __stringify(major) "_" 
__stringify(minor) ".bin"
+
+#define I915_SKL_GUC_UCODE GUC_FW_PATH(skl, SKL_FW_MAJOR, SKL_FW_MINOR)
 MODULE_FIRMWARE(I915_SKL_GUC_UCODE);
 
-#define I915_BXT_GUC_UCODE "i915/bxt_guc_ver8_7.bin"
+#define I915_BXT_GUC_UCODE GUC_FW_PATH(bxt, BXT_FW_MAJOR, BXT_FW_MINOR)
 MODULE_FIRMWARE(I915_BXT_GUC_UCODE);
 
-#define I915_KBL_GUC_UCODE "i915/kbl_guc_ver9_14.bin"
+#define I915_KBL_GUC_UCODE GUC_FW_PATH(kbl, KBL_FW_MAJOR, KBL_FW_MINOR)
 MODULE_FIRMWARE(I915_KBL_GUC_UCODE);
 
 /* User-friendly representation of an enum */
@@ -695,16 +707,16 @@ void intel_guc_init(struct drm_device *dev)
                fw_path = NULL;
        } else if (IS_SKYLAKE(dev)) {
                fw_path = I915_SKL_GUC_UCODE;
-               guc_fw->guc_fw_major_wanted = 6;
-               guc_fw->guc_fw_minor_wanted = 1;
+               guc_fw->guc_fw_major_wanted = SKL_FW_MAJOR;
+               guc_fw->guc_fw_minor_wanted = SKL_FW_MINOR;
        } else if (IS_BROXTON(dev)) {
                fw_path = I915_BXT_GUC_UCODE;
-               guc_fw->guc_fw_major_wanted = 8;
-               guc_fw->guc_fw_minor_wanted = 7;
+               guc_fw->guc_fw_major_wanted = BXT_FW_MAJOR;
+               guc_fw->guc_fw_minor_wanted = BXT_FW_MINOR;
        } else if (IS_KABYLAKE(dev)) {
                fw_path = I915_KBL_GUC_UCODE;
-               guc_fw->guc_fw_major_wanted = 9;
-               guc_fw->guc_fw_minor_wanted = 14;
+               guc_fw->guc_fw_major_wanted = KBL_FW_MAJOR;
+               guc_fw->guc_fw_minor_wanted = KBL_FW_MINOR;
        } else {
                fw_path = "";   /* unknown device */
        }
-- 
1.9.1

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