[Intel-gfx] [PATCH 1/2] drm/i915/GuC/GLK: Load GuC on GLK

[Anusha Srivatsa]

Load GuC 10.56 on GLK. Work on firmware is still
in progress. Testing has not been done yet.
This patch addresses the initial need to load the GuC
firmware for HuC authentication

v2: rebased.

Cc: Jeff mcgee <jeff.mcgee at intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Cc: John Spotswood <john.a.spotswood at intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
---
 drivers/gpu/drm/i915/intel_guc_loader.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
index 7d92321..1f8edf0 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -61,6 +61,9 @@
 #define KBL_FW_MAJOR 9
 #define KBL_FW_MINOR 14
 
+#define GLK_FW_MAJOR 10
+#define GLK_FW_MINOR 56
+
 #define GUC_FW_PATH(platform, major, minor) \
        "i915/" __stringify(platform) "_guc_ver" __stringify(major) "_" __stringify(minor) ".bin"
 
@@ -73,6 +76,8 @@ MODULE_FIRMWARE(I915_BXT_GUC_UCODE);
 #define I915_KBL_GUC_UCODE GUC_FW_PATH(kbl, KBL_FW_MAJOR, KBL_FW_MINOR)
 MODULE_FIRMWARE(I915_KBL_GUC_UCODE);
 
+#define I915_GLK_GUC_UCODE GUC_FW_PATH(glk, GLK_FW_MAJOR, GLK_FW_MINOR)
+
 /* User-friendly representation of an enum */
 const char *intel_uc_fw_status_repr(enum intel_uc_fw_status status)
 {
@@ -421,6 +426,10 @@ int intel_guc_select_fw(struct intel_guc *guc)
 		guc->fw.path = I915_KBL_GUC_UCODE;
 		guc->fw.major_ver_wanted = KBL_FW_MAJOR;
 		guc->fw.minor_ver_wanted = KBL_FW_MINOR;
+	} else if (IS_GEMINILAKE(dev_priv)) {
+		guc->fw.path = I915_GLK_GUC_UCODE;
+		guc->fw.major_ver_wanted = GLK_FW_MAJOR;
+		guc->fw.minor_ver_wanted = GLK_FW_MINOR;
 	} else {
 		DRM_ERROR("No GuC firmware known for platform with GuC!\n");
 		return -ENOENT;
-- 
2.7.4