I am OK with change here. However, in i915_drv.h, please check
definition of HAS_GUC_UCODE() and HAS_GUC_SCHED(). I believe they are
disabled for KBL.
Thanks,
Alex
On 01/18/2016 06:41 AM, Peter Antoine wrote:
This patch added the loading of the GuC for Kabylake.
It loads a 2.4 firmware.
Signed-off-by: Peter Antoine <peter.antoine@xxxxxxxxx>
Signed-off-by: Michel Thierry <michel.thierry@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_guc_loader.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
index 3accd91..bbfa8f3 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -61,6 +61,8 @@
#define I915_SKL_GUC_UCODE "i915/skl_guc_ver4.bin"
MODULE_FIRMWARE(I915_SKL_GUC_UCODE);
+#define I915_KBL_GUC_UCODE "i915/kbl_guc_ver2.bin"
+MODULE_FIRMWARE(I915_KBL_GUC_UCODE);
/* User-friendly representation of an enum */
const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status)
@@ -597,6 +599,10 @@ void intel_guc_ucode_init(struct drm_device *dev)
fw_path = I915_SKL_GUC_UCODE;
guc_fw->guc_fw_major_wanted = 4;
guc_fw->guc_fw_minor_wanted = 3;
+ } else if (IS_KABYLAKE(dev)) {
+ fw_path = I915_KBL_GUC_UCODE;
+ guc_fw->guc_fw_major_wanted = 2;
+ guc_fw->guc_fw_minor_wanted = 4;
} else {
i915.enable_guc_submission = false;
fw_path = ""; /* unknown device */
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