On Thu, 2017-03-30 at 13:24 -0700, Anusha Srivatsa wrote:
> 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@xxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: John Spotswood <john.a.spotswood@xxxxxxxxx>
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
Reviewed-by: John Spotswood <john.a.spotswood@xxxxxxxxx>
> ---
> 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;
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