From: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
This patch adds the support to load HuC on KBL
Version 2.0
v2: rebased.
v3: rebased on top of drm-tip
v4: rebased.
Cc: Jeff Mcgee <jeff.mcgee@xxxxxxxxx>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
Reviewed-by: Jeff McGee <jeff.mcgee@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_huc_loader.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_huc_loader.c b/drivers/gpu/drm/i915/intel_huc_loader.c
index a7a1a7f..96fc727 100644
--- a/drivers/gpu/drm/i915/intel_huc_loader.c
+++ b/drivers/gpu/drm/i915/intel_huc_loader.c
@@ -48,6 +48,10 @@
#define SKL_FW_MINOR 07
#define SKL_BLD_NUM 1398
+#define KBL_FW_MAJOR 02
+#define KBL_FW_MINOR 00
+#define KBL_BLD_NUM 1810
+
#define HUC_FW_PATH(platform, major, minor, bld_num) \
"i915/" __stringify(platform) "_huc_ver" __stringify(major) "_" \
__stringify(minor) "_" __stringify(bld_num) ".bin"
@@ -59,6 +63,11 @@ MODULE_FIRMWARE(I915_SKL_HUC_UCODE);
#define I915_BXT_HUC_UCODE HUC_FW_PATH(bxt, BXT_FW_MAJOR, \
BXT_FW_MINOR, BXT_BLD_NUM)
MODULE_FIRMWARE(I915_BXT_HUC_UCODE);
+
+#define I915_KBL_HUC_UCODE HUC_FW_PATH(kbl, KBL_FW_MAJOR, \
+ KBL_FW_MINOR, KBL_BLD_NUM)
+MODULE_FIRMWARE(I915_KBL_HUC_UCODE);
+
/**
* huc_ucode_xfer() - DMA's the firmware
* @dev_priv: the drm device
@@ -168,8 +177,15 @@ void intel_huc_init(struct drm_i915_private *dev_priv)
fw_path = I915_BXT_HUC_UCODE;
huc_fw->major_ver_wanted = BXT_FW_MAJOR;
huc_fw->minor_ver_wanted = BXT_FW_MINOR;
+ } else if (IS_KABYLAKE(dev_priv)) {
+ fw_path = I915_KBL_HUC_UCODE;
+ huc_fw->major_ver_wanted = KBL_FW_MAJOR;
+ huc_fw->minor_ver_wanted = KBL_FW_MINOR;
}
+ if (fw_path == NULL)
+ return;
+
huc_fw->uc_fw_path = fw_path;
huc_fw->fetch_status = UC_FIRMWARE_PENDING;
--
2.7.4
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