[Intel-gfx] [PATCH] i915/guc: Add Kabylake GuC Loading

[Yu Dai]

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 at intel.com>
> Signed-off-by: Michel Thierry <michel.thierry at intel.com>
> ---
>   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 */