[Intel-gfx] [PATCH 1/8] drm/i915/guc: Make the GuC fw loading helper functions general. Always initialize action_lock

Arkadiusz Hiler arkadiusz.hiler at intel.com
Thu Nov 24 08:28:14 UTC 2016


On Wed, Nov 23, 2016 at 02:27:36PM -0800, Anusha Srivatsa wrote:
> From: Peter Antoine <peter.antoine at intel.com>
> 
> Rename some of the GuC fw loading code to make them more general. We
> will utilise them for HuC loading as well.
>      s/intel_guc_fw/intel_uc_fw/g
>      s/GUC_FIRMWARE/UC_FIRMWARE/g
> 
> Struct intel_guc_fw is renamed to intel_uc_fw. Prefix of tts members,
> such as 'guc' or 'guc_fw' either is renamed to 'uc' or removed for
> same purpose.
> 
> Action lock is not being initialized if the GuC submission is disabled
> (i.e. i915.guc_submission=0).
> 
> host2guc_action(), which uses the action_lock can be used for
> non-submission purposes, e.g. triggering HuC authentication.
> 
> Moving action_lock initialization before enablement check will allow us
> to use the host2guc_action no matter whether submission is enabled or
> not.
> 
> v2: rebased on top of nightly.
>     reapplied the search/replace as upstream code as changed.
> v3: rebased again on drm-nightly.
> v4: removed G from messages in shared fw fetch function.
> v5: rebased.
> v7: rebased.
> v8: rebased.
> v9: rebased.
> v10: rebased.
> v11: rebased. Added the action_lock initialization fix provided
> by Arick <arkadiusz.hiler at intel.com>

It's Arek.

> 
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
> Signed-off-by: Alex Dai <yu.dai at intel.com>
> Signed-off-by: Peter Antoine <peter.antoine at intel.com>
> Reviewed-by: Dave Gordon <david.s.gordon at intel.com>
> Reviewed-by: Jeff McGee <jeff.mcgee at intel.com>
> Reviewed-by: Carlos Santa <carlos.santa at intel.com>
> Tested-by: Carlos Santa <carlos.santa at intel.com>
> Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_debugfs.c        |  12 +--
>  drivers/gpu/drm/i915/i915_guc_submission.c |   7 +-
>  drivers/gpu/drm/i915/intel_guc.h           |  38 +++----
>  drivers/gpu/drm/i915/intel_guc_loader.c    | 155 +++++++++++++++--------------
>  4 files changed, 108 insertions(+), 104 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 3799a12..53305a4 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2358,7 +2358,7 @@ static int i915_llc(struct seq_file *m, void *data)
>  static int i915_guc_load_status_info(struct seq_file *m, void *data)
>  {
>  	struct drm_i915_private *dev_priv = node_to_i915(m->private);
> -	struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
> +	struct intel_uc_fw *guc_fw = &dev_priv->guc.guc_fw;
>  	u32 tmp, i;
>  
>  	if (!HAS_GUC_UCODE(dev_priv))
> @@ -2366,15 +2366,15 @@ static int i915_guc_load_status_info(struct seq_file *m, void *data)
>  
>  	seq_printf(m, "GuC firmware status:\n");
>  	seq_printf(m, "\tpath: %s\n",
> -		guc_fw->guc_fw_path);
> +		guc_fw->uc_fw_path);
>  	seq_printf(m, "\tfetch: %s\n",
> -		intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status));
> +		intel_uc_fw_status_repr(guc_fw->fetch_status));
>  	seq_printf(m, "\tload: %s\n",
> -		intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
> +		intel_uc_fw_status_repr(guc_fw->load_status));
>  	seq_printf(m, "\tversion wanted: %d.%d\n",
> -		guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted);
> +		guc_fw->major_ver_wanted, guc_fw->minor_ver_wanted);
>  	seq_printf(m, "\tversion found: %d.%d\n",
> -		guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found);
> +		guc_fw->major_ver_found, guc_fw->minor_ver_found);
>  	seq_printf(m, "\theader: offset is %d; size = %d\n",
>  		guc_fw->header_offset, guc_fw->header_size);
>  	seq_printf(m, "\tuCode: offset is %d; size = %d\n",
> diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
> index 4462112..9947a6d 100644
> --- a/drivers/gpu/drm/i915/i915_guc_submission.c
> +++ b/drivers/gpu/drm/i915/i915_guc_submission.c
> @@ -1484,6 +1484,8 @@ int i915_guc_submission_init(struct drm_i915_private *dev_priv)
>  	struct intel_guc *guc = &dev_priv->guc;
>  	struct i915_vma *vma;
>  
> +	mutex_init(&guc->action_lock);
> +

That's pretty much a separate change.
Why you have merged it into this commit?

Also it makes commit title unbearably long.

>  	/* Wipe bitmap & delete client in case of reinitialisation */
>  	bitmap_clear(guc->doorbell_bitmap, 0, GUC_MAX_DOORBELLS);
>  	i915_guc_submission_disable(dev_priv);
> @@ -1500,7 +1502,6 @@ int i915_guc_submission_init(struct drm_i915_private *dev_priv)
>  
>  	guc->ctx_pool_vma = vma;
>  	ida_init(&guc->ctx_ids);
> -	mutex_init(&guc->action_lock);
>  	guc_log_create(guc);
>  	guc_addon_create(guc);
>  
> @@ -1583,7 +1584,7 @@ int intel_guc_suspend(struct drm_device *dev)
>  	struct i915_gem_context *ctx;
>  	u32 data[3];
>  
> -	if (guc->guc_fw.guc_fw_load_status != GUC_FIRMWARE_SUCCESS)
> +	if (guc->guc_fw.load_status != UC_FIRMWARE_SUCCESS)
>  		return 0;
>  
>  	gen9_disable_guc_interrupts(dev_priv);
> @@ -1611,7 +1612,7 @@ int intel_guc_resume(struct drm_device *dev)
>  	struct i915_gem_context *ctx;
>  	u32 data[3];
>  
> -	if (guc->guc_fw.guc_fw_load_status != GUC_FIRMWARE_SUCCESS)
> +	if (guc->guc_fw.load_status != UC_FIRMWARE_SUCCESS)
>  		return 0;
>  
>  	if (i915.guc_log_level >= 0)
> diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h
> index 02337a8..6dc328f 100644
> --- a/drivers/gpu/drm/i915/intel_guc.h
> +++ b/drivers/gpu/drm/i915/intel_guc.h
> @@ -91,28 +91,29 @@ struct i915_guc_client {
>  	uint64_t submissions[I915_NUM_ENGINES];
>  };
>  
> -enum intel_guc_fw_status {
> -	GUC_FIRMWARE_FAIL = -1,
> -	GUC_FIRMWARE_NONE = 0,
> -	GUC_FIRMWARE_PENDING,
> -	GUC_FIRMWARE_SUCCESS
> +enum intel_uc_fw_status {
> +	UC_FIRMWARE_FAIL = -1,
> +	UC_FIRMWARE_NONE = 0,
> +	UC_FIRMWARE_PENDING,
> +	UC_FIRMWARE_SUCCESS
>  };
>  
>  /*
>   * This structure encapsulates all the data needed during the process
>   * of fetching, caching, and loading the firmware image into the GuC.
>   */
> -struct intel_guc_fw {
> -	const char *			guc_fw_path;
> -	size_t				guc_fw_size;
> -	struct drm_i915_gem_object *	guc_fw_obj;
> -	enum intel_guc_fw_status	guc_fw_fetch_status;
> -	enum intel_guc_fw_status	guc_fw_load_status;
> -
> -	uint16_t			guc_fw_major_wanted;
> -	uint16_t			guc_fw_minor_wanted;
> -	uint16_t			guc_fw_major_found;
> -	uint16_t			guc_fw_minor_found;
> +struct intel_uc_fw {
> +	struct drm_device *uc_dev;
> +	const char *uc_fw_path;
> +	size_t uc_fw_size;
> +	struct drm_i915_gem_object *uc_fw_obj;
> +	enum intel_uc_fw_status fetch_status;
> +	enum intel_uc_fw_status load_status;
> +
> +	uint16_t major_ver_wanted;
> +	uint16_t minor_ver_wanted;
> +	uint16_t major_ver_found;
> +	uint16_t minor_ver_found;
>  
>  	uint32_t header_size;
>  	uint32_t header_offset;
> @@ -139,7 +140,7 @@ struct intel_guc_log {
>  };
>  
>  struct intel_guc {
> -	struct intel_guc_fw guc_fw;
> +	struct intel_uc_fw guc_fw;
>  	struct intel_guc_log log;
>  
>  	/* GuC2Host interrupt related state */
> @@ -172,9 +173,10 @@ struct intel_guc {
>  extern void intel_guc_init(struct drm_device *dev);
>  extern int intel_guc_setup(struct drm_device *dev);
>  extern void intel_guc_fini(struct drm_device *dev);
> -extern const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status);
> +extern const char *intel_uc_fw_status_repr(enum intel_uc_fw_status status);
>  extern int intel_guc_suspend(struct drm_device *dev);
>  extern int intel_guc_resume(struct drm_device *dev);
> +void intel_uc_fw_fetch(struct drm_device *dev, struct intel_uc_fw *uc_fw);
>  
>  /* i915_guc_submission.c */
>  int i915_guc_submission_init(struct drm_i915_private *dev_priv);
> diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
> index e2d0bda..c1b53a6 100644
> --- a/drivers/gpu/drm/i915/intel_guc_loader.c
> +++ b/drivers/gpu/drm/i915/intel_guc_loader.c
> @@ -81,16 +81,16 @@ MODULE_FIRMWARE(I915_BXT_GUC_UCODE);
>  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)
> +const char *intel_uc_fw_status_repr(enum intel_uc_fw_status status)
>  {
>  	switch (status) {
> -	case GUC_FIRMWARE_FAIL:
> +	case UC_FIRMWARE_FAIL:
>  		return "FAIL";
> -	case GUC_FIRMWARE_NONE:
> +	case UC_FIRMWARE_NONE:
>  		return "NONE";
> -	case GUC_FIRMWARE_PENDING:
> +	case UC_FIRMWARE_PENDING:
>  		return "PENDING";
> -	case GUC_FIRMWARE_SUCCESS:
> +	case UC_FIRMWARE_SUCCESS:
>  		return "SUCCESS";
>  	default:
>  		return "UNKNOWN!";
> @@ -278,7 +278,7 @@ static inline bool guc_ucode_response(struct drm_i915_private *dev_priv,
>  static int guc_ucode_xfer_dma(struct drm_i915_private *dev_priv,
>  			      struct i915_vma *vma)
>  {
> -	struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
> +	struct intel_uc_fw *guc_fw = &dev_priv->guc.guc_fw;
>  	unsigned long offset;
>  	struct sg_table *sg = vma->pages;
>  	u32 status, rsa[UOS_RSA_SCRATCH_MAX_COUNT];
> @@ -350,17 +350,17 @@ static u32 guc_wopcm_size(struct drm_i915_private *dev_priv)
>   */
>  static int guc_ucode_xfer(struct drm_i915_private *dev_priv)
>  {
> -	struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
> +	struct intel_uc_fw *guc_fw = &dev_priv->guc.guc_fw;
>  	struct i915_vma *vma;
>  	int ret;
>  
> -	ret = i915_gem_object_set_to_gtt_domain(guc_fw->guc_fw_obj, false);
> +	ret = i915_gem_object_set_to_gtt_domain(guc_fw->uc_fw_obj, false);
>  	if (ret) {
>  		DRM_DEBUG_DRIVER("set-domain failed %d\n", ret);
>  		return ret;
>  	}
>  
> -	vma = i915_gem_object_ggtt_pin(guc_fw->guc_fw_obj, NULL, 0, 0, 0);
> +	vma = i915_gem_object_ggtt_pin(guc_fw->uc_fw_obj, NULL, 0, 0, 0);
>  	if (IS_ERR(vma)) {
>  		DRM_DEBUG_DRIVER("pin failed %d\n", (int)PTR_ERR(vma));
>  		return PTR_ERR(vma);
> @@ -451,14 +451,14 @@ static int guc_hw_reset(struct drm_i915_private *dev_priv)
>  int intel_guc_setup(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(dev);
> -	struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
> -	const char *fw_path = guc_fw->guc_fw_path;
> +	struct intel_uc_fw *guc_fw = &dev_priv->guc.guc_fw;
> +	const char *fw_path = guc_fw->uc_fw_path;
>  	int retries, ret, err;
>  
>  	DRM_DEBUG_DRIVER("GuC fw status: path %s, fetch %s, load %s\n",
>  		fw_path,
> -		intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status),
> -		intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
> +		intel_uc_fw_status_repr(guc_fw->fetch_status),
> +		intel_uc_fw_status_repr(guc_fw->load_status));
>  
>  	/* Loading forbidden, or no firmware to load? */
>  	if (!i915.enable_guc_loading) {
> @@ -476,10 +476,10 @@ int intel_guc_setup(struct drm_device *dev)
>  	}
>  
>  	/* Fetch failed, or already fetched but failed to load? */
> -	if (guc_fw->guc_fw_fetch_status != GUC_FIRMWARE_SUCCESS) {
> +	if (guc_fw->fetch_status != UC_FIRMWARE_SUCCESS) {
>  		err = -EIO;
>  		goto fail;
> -	} else if (guc_fw->guc_fw_load_status == GUC_FIRMWARE_FAIL) {
> +	} else if (guc_fw->load_status == UC_FIRMWARE_FAIL) {
>  		err = -ENOEXEC;
>  		goto fail;
>  	}
> @@ -487,11 +487,11 @@ int intel_guc_setup(struct drm_device *dev)
>  	guc_interrupts_release(dev_priv);
>  	gen9_reset_guc_interrupts(dev_priv);
>  
> -	guc_fw->guc_fw_load_status = GUC_FIRMWARE_PENDING;
> +	guc_fw->load_status = UC_FIRMWARE_PENDING;
>  
>  	DRM_DEBUG_DRIVER("GuC fw status: fetch %s, load %s\n",
> -		intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status),
> -		intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
> +		intel_uc_fw_status_repr(guc_fw->fetch_status),
> +		intel_uc_fw_status_repr(guc_fw->load_status));
>  
>  	err = i915_guc_submission_init(dev_priv);
>  	if (err)
> @@ -523,11 +523,11 @@ int intel_guc_setup(struct drm_device *dev)
>  			 "retry %d more time(s)\n", err, retries);
>  	}
>  
> -	guc_fw->guc_fw_load_status = GUC_FIRMWARE_SUCCESS;
> +	guc_fw->load_status = UC_FIRMWARE_SUCCESS;
>  
>  	DRM_DEBUG_DRIVER("GuC fw status: fetch %s, load %s\n",
> -		intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status),
> -		intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
> +		intel_uc_fw_status_repr(guc_fw->fetch_status),
> +		intel_uc_fw_status_repr(guc_fw->load_status));
>  
>  	if (i915.enable_guc_submission) {
>  		if (i915.guc_log_level >= 0)
> @@ -542,8 +542,8 @@ int intel_guc_setup(struct drm_device *dev)
>  	return 0;
>  
>  fail:
> -	if (guc_fw->guc_fw_load_status == GUC_FIRMWARE_PENDING)
> -		guc_fw->guc_fw_load_status = GUC_FIRMWARE_FAIL;
> +	if (guc_fw->load_status == UC_FIRMWARE_PENDING)
> +		guc_fw->load_status = UC_FIRMWARE_FAIL;
>  
>  	guc_interrupts_release(dev_priv);
>  	i915_guc_submission_disable(dev_priv);
> @@ -588,7 +588,7 @@ int intel_guc_setup(struct drm_device *dev)
>  	return ret;
>  }
>  
> -static void guc_fw_fetch(struct drm_device *dev, struct intel_guc_fw *guc_fw)
> +void intel_uc_fw_fetch(struct drm_device *dev, struct intel_uc_fw *uc_fw)
>  {
>  	struct pci_dev *pdev = dev->pdev;
>  	struct drm_i915_gem_object *obj;
> @@ -597,17 +597,17 @@ static void guc_fw_fetch(struct drm_device *dev, struct intel_guc_fw *guc_fw)
>  	size_t size;
>  	int err;
>  
> -	DRM_DEBUG_DRIVER("before requesting firmware: GuC fw fetch status %s\n",
> -		intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status));
> +	DRM_DEBUG_DRIVER("before requesting firmware: uC fw fetch status %s\n",
> +		intel_uc_fw_status_repr(uc_fw->fetch_status));
>  
> -	err = request_firmware(&fw, guc_fw->guc_fw_path, &pdev->dev);
> +	err = request_firmware(&fw, uc_fw->uc_fw_path, &pdev->dev);
>  	if (err)
>  		goto fail;
>  	if (!fw)
>  		goto fail;
>  
> -	DRM_DEBUG_DRIVER("fetch GuC fw from %s succeeded, fw %p\n",
> -		guc_fw->guc_fw_path, fw);
> +	DRM_DEBUG_DRIVER("fetch uC fw from %s succeeded, fw %p\n",
> +		uc_fw->uc_fw_path, fw);
>  
>  	/* Check the size of the blob before examining buffer contents */
>  	if (fw->size < sizeof(struct guc_css_header)) {
> @@ -618,36 +618,36 @@ static void guc_fw_fetch(struct drm_device *dev, struct intel_guc_fw *guc_fw)
>  	css = (struct guc_css_header *)fw->data;
>  
>  	/* Firmware bits always start from header */
> -	guc_fw->header_offset = 0;
> -	guc_fw->header_size = (css->header_size_dw - css->modulus_size_dw -
> +	uc_fw->header_offset = 0;
> +	uc_fw->header_size = (css->header_size_dw - css->modulus_size_dw -
>  		css->key_size_dw - css->exponent_size_dw) * sizeof(u32);
>  
> -	if (guc_fw->header_size != sizeof(struct guc_css_header)) {
> +	if (uc_fw->header_size != sizeof(struct guc_css_header)) {
>  		DRM_NOTE("CSS header definition mismatch\n");
>  		goto fail;
>  	}
>  
>  	/* then, uCode */
> -	guc_fw->ucode_offset = guc_fw->header_offset + guc_fw->header_size;
> -	guc_fw->ucode_size = (css->size_dw - css->header_size_dw) * sizeof(u32);
> +	uc_fw->ucode_offset = uc_fw->header_offset + uc_fw->header_size;
> +	uc_fw->ucode_size = (css->size_dw - css->header_size_dw) * sizeof(u32);
>  
>  	/* now RSA */
>  	if (css->key_size_dw != UOS_RSA_SCRATCH_MAX_COUNT) {
>  		DRM_NOTE("RSA key size is bad\n");
>  		goto fail;
>  	}
> -	guc_fw->rsa_offset = guc_fw->ucode_offset + guc_fw->ucode_size;
> -	guc_fw->rsa_size = css->key_size_dw * sizeof(u32);
> +	uc_fw->rsa_offset = uc_fw->ucode_offset + uc_fw->ucode_size;
> +	uc_fw->rsa_size = css->key_size_dw * sizeof(u32);
>  
>  	/* At least, it should have header, uCode and RSA. Size of all three. */
> -	size = guc_fw->header_size + guc_fw->ucode_size + guc_fw->rsa_size;
> +	size = uc_fw->header_size + uc_fw->ucode_size + uc_fw->rsa_size;
>  	if (fw->size < size) {
>  		DRM_NOTE("Missing firmware components\n");
>  		goto fail;
>  	}
>  
>  	/* Header and uCode will be loaded to WOPCM. Size of the two. */
> -	size = guc_fw->header_size + guc_fw->ucode_size;
> +	size = uc_fw->header_size + uc_fw->ucode_size;
>  	if (size > guc_wopcm_size(to_i915(dev))) {
>  		DRM_NOTE("Firmware is too large to fit in WOPCM\n");
>  		goto fail;
> @@ -659,21 +659,21 @@ static void guc_fw_fetch(struct drm_device *dev, struct intel_guc_fw *guc_fw)
>  	 * TWO bytes each (i.e. u16), although all pointers and offsets are defined
>  	 * in terms of bytes (u8).
>  	 */
> -	guc_fw->guc_fw_major_found = css->guc_sw_version >> 16;
> -	guc_fw->guc_fw_minor_found = css->guc_sw_version & 0xFFFF;
> -
> -	if (guc_fw->guc_fw_major_found != guc_fw->guc_fw_major_wanted ||
> -	    guc_fw->guc_fw_minor_found < guc_fw->guc_fw_minor_wanted) {
> -		DRM_NOTE("GuC firmware version %d.%d, required %d.%d\n",
> -			guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found,
> -			guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted);
> +	uc_fw->major_ver_found = css->guc_sw_version >> 16;
> +	uc_fw->minor_ver_found = css->guc_sw_version & 0xFFFF;
> +
> +	if (uc_fw->major_ver_found != uc_fw->major_ver_wanted ||
> +	    uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) {
> +		DRM_NOTE("uC firmware version %d.%d, required %d.%d\n",
> +			uc_fw->major_ver_found, uc_fw->minor_ver_found,
> +			uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted);
>  		err = -ENOEXEC;
>  		goto fail;
>  	}
>  
>  	DRM_DEBUG_DRIVER("firmware version %d.%d OK (minimum %d.%d)\n",
> -			guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found,
> -			guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted);
> +			uc_fw->major_ver_found, uc_fw->minor_ver_found,
> +			uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted);
>  
>  	mutex_lock(&dev->struct_mutex);
>  	obj = i915_gem_object_create_from_data(dev, fw->data, fw->size);
> @@ -683,31 +683,31 @@ static void guc_fw_fetch(struct drm_device *dev, struct intel_guc_fw *guc_fw)
>  		goto fail;
>  	}
>  
> -	guc_fw->guc_fw_obj = obj;
> -	guc_fw->guc_fw_size = fw->size;
> +	uc_fw->uc_fw_obj = obj;
> +	uc_fw->uc_fw_size = fw->size;
>  
> -	DRM_DEBUG_DRIVER("GuC fw fetch status SUCCESS, obj %p\n",
> -			guc_fw->guc_fw_obj);
> +	DRM_DEBUG_DRIVER("uC fw fetch status SUCCESS, obj %p\n",
> +			uc_fw->uc_fw_obj);
>  
>  	release_firmware(fw);
> -	guc_fw->guc_fw_fetch_status = GUC_FIRMWARE_SUCCESS;
> +	uc_fw->fetch_status = UC_FIRMWARE_SUCCESS;
>  	return;
>  
>  fail:
> -	DRM_WARN("Failed to fetch valid GuC firmware from %s (error %d)\n",
> -		 guc_fw->guc_fw_path, err);
> -	DRM_DEBUG_DRIVER("GuC fw fetch status FAIL; err %d, fw %p, obj %p\n",
> -		err, fw, guc_fw->guc_fw_obj);
> +	DRM_WARN("Failed to fetch valid uC firmware from %s (error %d)\n",
> +		 uc_fw->uc_fw_path, err);
> +	DRM_DEBUG_DRIVER("uC fw fetch status FAIL; err %d, fw %p, obj %p\n",
> +		err, fw, uc_fw->uc_fw_obj);
>  
>  	mutex_lock(&dev->struct_mutex);
> -	obj = guc_fw->guc_fw_obj;
> +	obj = uc_fw->uc_fw_obj;
>  	if (obj)
>  		i915_gem_object_put(obj);
> -	guc_fw->guc_fw_obj = NULL;
> +	uc_fw->uc_fw_obj = NULL;
>  	mutex_unlock(&dev->struct_mutex);
>  
>  	release_firmware(fw);		/* OK even if fw is NULL */
> -	guc_fw->guc_fw_fetch_status = GUC_FIRMWARE_FAIL;
> +	uc_fw->fetch_status = UC_FIRMWARE_FAIL;
>  }
>  
>  /**
> @@ -722,7 +722,7 @@ static void guc_fw_fetch(struct drm_device *dev, struct intel_guc_fw *guc_fw)
>  void intel_guc_init(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(dev);
> -	struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
> +	struct intel_uc_fw *guc_fw = &dev_priv->guc.guc_fw;
>  	const char *fw_path;
>  
>  	if (!HAS_GUC(dev_priv)) {
> @@ -740,23 +740,24 @@ void intel_guc_init(struct drm_device *dev)
>  		fw_path = NULL;
>  	} else if (IS_SKYLAKE(dev_priv)) {
>  		fw_path = I915_SKL_GUC_UCODE;
> -		guc_fw->guc_fw_major_wanted = SKL_FW_MAJOR;
> -		guc_fw->guc_fw_minor_wanted = SKL_FW_MINOR;
> +		guc_fw->major_ver_wanted = SKL_FW_MAJOR;
> +		guc_fw->minor_ver_wanted = SKL_FW_MINOR;
>  	} else if (IS_BROXTON(dev_priv)) {
>  		fw_path = I915_BXT_GUC_UCODE;
> -		guc_fw->guc_fw_major_wanted = BXT_FW_MAJOR;
> -		guc_fw->guc_fw_minor_wanted = BXT_FW_MINOR;
> +		guc_fw->major_ver_wanted = BXT_FW_MAJOR;
> +		guc_fw->minor_ver_wanted = BXT_FW_MINOR;
>  	} else if (IS_KABYLAKE(dev_priv)) {
>  		fw_path = I915_KBL_GUC_UCODE;
> -		guc_fw->guc_fw_major_wanted = KBL_FW_MAJOR;
> -		guc_fw->guc_fw_minor_wanted = KBL_FW_MINOR;
> +		guc_fw->major_ver_wanted = KBL_FW_MAJOR;
> +		guc_fw->minor_ver_wanted = KBL_FW_MINOR;
>  	} else {
>  		fw_path = "";	/* unknown device */
>  	}
>  
> -	guc_fw->guc_fw_path = fw_path;
> -	guc_fw->guc_fw_fetch_status = GUC_FIRMWARE_NONE;
> -	guc_fw->guc_fw_load_status = GUC_FIRMWARE_NONE;
> +	guc_fw->uc_dev = dev;
> +	guc_fw->uc_fw_path = fw_path;
> +	guc_fw->fetch_status = UC_FIRMWARE_NONE;
> +	guc_fw->load_status = UC_FIRMWARE_NONE;
>  
>  	/* Early (and silent) return if GuC loading is disabled */
>  	if (!i915.enable_guc_loading)
> @@ -766,9 +767,9 @@ void intel_guc_init(struct drm_device *dev)
>  	if (*fw_path == '\0')
>  		return;
>  
> -	guc_fw->guc_fw_fetch_status = GUC_FIRMWARE_PENDING;
> +	guc_fw->fetch_status = UC_FIRMWARE_PENDING;
>  	DRM_DEBUG_DRIVER("GuC firmware pending, path %s\n", fw_path);
> -	guc_fw_fetch(dev, guc_fw);
> +	intel_uc_fw_fetch(dev, guc_fw);
>  	/* status must now be FAIL or SUCCESS */
>  }
>  
> @@ -779,17 +780,17 @@ void intel_guc_init(struct drm_device *dev)
>  void intel_guc_fini(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(dev);
> -	struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
> +	struct intel_uc_fw *guc_fw = &dev_priv->guc.guc_fw;
>  
>  	mutex_lock(&dev->struct_mutex);
>  	guc_interrupts_release(dev_priv);
>  	i915_guc_submission_disable(dev_priv);
>  	i915_guc_submission_fini(dev_priv);
>  
> -	if (guc_fw->guc_fw_obj)
> -		i915_gem_object_put(guc_fw->guc_fw_obj);
> -	guc_fw->guc_fw_obj = NULL;
> +	if (guc_fw->uc_fw_obj)
> +		i915_gem_object_put(guc_fw->uc_fw_obj);
> +	guc_fw->uc_fw_obj = NULL;
>  	mutex_unlock(&dev->struct_mutex);
>  
> -	guc_fw->guc_fw_fetch_status = GUC_FIRMWARE_NONE;
> +	guc_fw->fetch_status = UC_FIRMWARE_NONE;
>  }
> -- 
> 2.7.4

-- 
Cheers,
Arek


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