/*
* Load the GuC firmware blob into the MinuteIA.
*/
static int guc_fw_xfer(struct intel_uc_fw *guc_fw)
{
struct intel_guc *guc = container_of(guc_fw, struct intel_guc, fw);
struct drm_i915_private *dev_priv = guc_to_i915(guc);
int ret;
GEM_BUG_ON(guc_fw->type != INTEL_UC_FW_TYPE_GUC);
intel_uncore_forcewake_get(&dev_priv->uncore, FORCEWAKE_ALL);
guc_prepare_xfer(guc);
/*
* Note that GuC needs the CSS header plus uKernel code to be copied
* by the DMA engine in one operation, whereas the RSA signature is
* loaded via MMIO.
*/
guc_xfer_rsa(guc);
ret = guc_xfer_ucode(guc);
intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL);
return ret;
}
/*
* Load the GuC firmware blob into the MinuteIA.
*/
static int guc_fw_xfer(struct intel_uc_fw *guc_fw, struct i915_vma *vma)
{
struct intel_guc *guc = container_of(guc_fw, struct intel_guc, fw);
struct drm_i915_private *dev_priv = guc_to_i915(guc);
int ret;
GEM_BUG_ON(guc_fw->type != INTEL_UC_FW_TYPE_GUC);
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
guc_prepare_xfer(guc);
/*
* Note that GuC needs the CSS header plus uKernel code to be copied
* by the DMA engine in one operation, whereas the RSA signature is
* loaded via MMIO.
*/
ret = guc_xfer_rsa(guc, vma);
if (ret)
DRM_WARN("GuC firmware signature xfer error %d\n", ret);
ret = guc_xfer_ucode(guc, vma);
if (ret)
DRM_WARN("GuC firmware code xfer error %d\n", ret);
ret = guc_wait_ucode(guc);
if (ret)
DRM_ERROR("GuC firmware xfer error %d\n", ret);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
return ret;
}
