diff mbox series

[1/4] drm/i915/guc: drop guc parameter from guc_ggtt_offset

Message ID 20200409005658.12262-2-daniele.ceraolospurio@intel.com (mailing list archive)
State New, archived
Headers show
Series uC code cleanups | expand

Commit Message

Daniele Ceraolo Spurio April 9, 2020, 12:56 a.m. UTC
We stopped using the parameter in commit dd18cedfa36f
("drm/i915/guc: Move the pin bias value from GuC to GGTT"),
so we can safely remove it.

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: John Harrison <john.c.harrison@intel.com>
---
 drivers/gpu/drm/i915/gt/uc/intel_guc.c            | 6 +++---
 drivers/gpu/drm/i915/gt/uc/intel_guc.h            | 4 +---
 drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c        | 2 +-
 drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c         | 5 ++---
 drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 4 ++--
 drivers/gpu/drm/i915/gt/uc/intel_huc.c            | 3 +--
 6 files changed, 10 insertions(+), 14 deletions(-)

Comments

Michal Wajdeczko April 9, 2020, 2:03 p.m. UTC | #1
On 09.04.2020 02:56, Daniele Ceraolo Spurio wrote:
> We stopped using the parameter in commit dd18cedfa36f
> ("drm/i915/guc: Move the pin bias value from GuC to GGTT"),
> so we can safely remove it.
> 
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
> Cc: Matthew Brost <matthew.brost@intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: John Harrison <john.c.harrison@intel.com>
> ---
>  drivers/gpu/drm/i915/gt/uc/intel_guc.c            | 6 +++---
>  drivers/gpu/drm/i915/gt/uc/intel_guc.h            | 4 +---
>  drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c        | 2 +-
>  drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c         | 5 ++---
>  drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 4 ++--
>  drivers/gpu/drm/i915/gt/uc/intel_huc.c            | 3 +--
>  6 files changed, 10 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> index 861657897c0f..5134d544bf4c 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
> @@ -220,7 +220,7 @@ static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
>  	if (intel_guc_submission_is_used(guc)) {
>  		u32 ctxnum, base;
>  
> -		base = intel_guc_ggtt_offset(guc, guc->stage_desc_pool);
> +		base = intel_guc_ggtt_offset(guc->stage_desc_pool);
>  		ctxnum = GUC_MAX_STAGE_DESCRIPTORS / 16;
>  
>  		base >>= PAGE_SHIFT;
> @@ -232,7 +232,7 @@ static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
>  
>  static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
>  {
> -	u32 offset = intel_guc_ggtt_offset(guc, guc->log.vma) >> PAGE_SHIFT;
> +	u32 offset = intel_guc_ggtt_offset(guc->log.vma) >> PAGE_SHIFT;
>  	u32 flags;
>  
>  	#if (((CRASH_BUFFER_SIZE) % SZ_1M) == 0)
> @@ -273,7 +273,7 @@ static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
>  
>  static u32 guc_ctl_ads_flags(struct intel_guc *guc)
>  {
> -	u32 ads = intel_guc_ggtt_offset(guc, guc->ads_vma) >> PAGE_SHIFT;
> +	u32 ads = intel_guc_ggtt_offset(guc->ads_vma) >> PAGE_SHIFT;
>  	u32 flags = ads << GUC_ADS_ADDR_SHIFT;
>  
>  	return flags;
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
> index e84ab67b317d..366191204a7d 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
> @@ -103,7 +103,6 @@ static inline void intel_guc_to_host_event_handler(struct intel_guc *guc)
>  
>  /**
>   * intel_guc_ggtt_offset() - Get and validate the GGTT offset of @vma
> - * @guc: intel_guc structure.
>   * @vma: i915 graphics virtual memory area.
>   *
>   * GuC does not allow any gfx GGTT address that falls into range
> @@ -114,8 +113,7 @@ static inline void intel_guc_to_host_event_handler(struct intel_guc *guc)
>   *
>   * Return: GGTT offset of the @vma.
>   */
> -static inline u32 intel_guc_ggtt_offset(struct intel_guc *guc,
> -					struct i915_vma *vma)
> +static inline u32 intel_guc_ggtt_offset(struct i915_vma *vma)

leaving this function with 'intel_guc' prefix without param guc would
break our naming schema, maybe we should rename it to:

	static inline u32 i915_ggtt_offset_guc(struct i915_vma *vma)

as code inside init_ggtt() already understands guc specifics ...

>  {
>  	u32 offset = i915_ggtt_offset(vma);

btw, we have here (not shown) in diff:

	GEM_BUG_ON(offset < i915_ggtt_pin_bias(vma));

that I would move to i915_ggtt_offset() as it quite generic
and replace it with something more GuC specific, like:

	GEM_BUG_ON(offset < intel_wopcm_guc_size(wopcm))

Michal

>  
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> index 101728006ae9..9237d798f7f4 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
> @@ -107,7 +107,7 @@ static void __guc_ads_init(struct intel_guc *guc)
>  	blob->system_info.vebox_enable_mask = VEBOX_MASK(dev_priv);
>  	blob->system_info.vdbox_sfc_support_mask = RUNTIME_INFO(dev_priv)->vdbox_sfc_access;
>  
> -	base = intel_guc_ggtt_offset(guc, guc->ads_vma);
> +	base = intel_guc_ggtt_offset(guc->ads_vma);
>  
>  	/* Clients info  */
>  	guc_ct_pool_entries_init(blob->ct_pool, ARRAY_SIZE(blob->ct_pool));
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
> index 11742fca0e9e..aad5ac54c1ba 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
> @@ -187,7 +187,7 @@ int intel_guc_ct_init(struct intel_guc_ct *ct)
>  		return err;
>  	}
>  
> -	CT_DEBUG(ct, "vma base=%#x\n", intel_guc_ggtt_offset(guc, ct->vma));
> +	CT_DEBUG(ct, "vma base=%#x\n", intel_guc_ggtt_offset(ct->vma));
>  
>  	/* store pointers to desc and cmds */
>  	for (i = 0; i < ARRAY_SIZE(ct->ctbs); i++) {
> @@ -220,7 +220,6 @@ void intel_guc_ct_fini(struct intel_guc_ct *ct)
>   */
>  int intel_guc_ct_enable(struct intel_guc_ct *ct)
>  {
> -	struct intel_guc *guc = ct_to_guc(ct);
>  	u32 base, cmds, size;
>  	int err;
>  	int i;
> @@ -229,7 +228,7 @@ int intel_guc_ct_enable(struct intel_guc_ct *ct)
>  
>  	/* vma should be already allocated and map'ed */
>  	GEM_BUG_ON(!ct->vma);
> -	base = intel_guc_ggtt_offset(guc, ct->vma);
> +	base = intel_guc_ggtt_offset(ct->vma);
>  
>  	/* (re)initialize descriptors
>  	 * cmds buffers are in the second half of the blob page
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> index fe7778c28d2d..7eaf173dd588 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> @@ -153,8 +153,8 @@ static void guc_stage_desc_init(struct intel_guc *guc)
>  	desc->stage_id = 0;
>  	desc->priority = GUC_CLIENT_PRIORITY_KMD_NORMAL;
>  
> -	desc->process_desc = intel_guc_ggtt_offset(guc, guc->proc_desc);
> -	desc->wq_addr = intel_guc_ggtt_offset(guc, guc->workqueue);
> +	desc->process_desc = intel_guc_ggtt_offset(guc->proc_desc);
> +	desc->wq_addr = intel_guc_ggtt_offset(guc->workqueue);
>  	desc->wq_size = GUC_WQ_SIZE;
>  }
>  
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
> index 65eeb44b397d..534f4d9f6591 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
> @@ -166,8 +166,7 @@ int intel_huc_auth(struct intel_huc *huc)
>  	if (ret)
>  		goto fail;
>  
> -	ret = intel_guc_auth_huc(guc,
> -				 intel_guc_ggtt_offset(guc, huc->rsa_data));
> +	ret = intel_guc_auth_huc(guc, intel_guc_ggtt_offset(huc->rsa_data));
>  	if (ret) {
>  		DRM_ERROR("HuC: GuC did not ack Auth request %d\n", ret);
>  		goto fail;
>
Daniele Ceraolo Spurio April 9, 2020, 4:13 p.m. UTC | #2
On 4/9/20 7:03 AM, Michal Wajdeczko wrote:
> 
> 
> On 09.04.2020 02:56, Daniele Ceraolo Spurio wrote:
>> We stopped using the parameter in commit dd18cedfa36f
>> ("drm/i915/guc: Move the pin bias value from GuC to GGTT"),
>> so we can safely remove it.
>>
>> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
>> Cc: Matthew Brost <matthew.brost@intel.com>
>> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
>> Cc: John Harrison <john.c.harrison@intel.com>
>> ---
>>   drivers/gpu/drm/i915/gt/uc/intel_guc.c            | 6 +++---
>>   drivers/gpu/drm/i915/gt/uc/intel_guc.h            | 4 +---
>>   drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c        | 2 +-
>>   drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c         | 5 ++---
>>   drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 4 ++--
>>   drivers/gpu/drm/i915/gt/uc/intel_huc.c            | 3 +--
>>   6 files changed, 10 insertions(+), 14 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
>> index 861657897c0f..5134d544bf4c 100644
>> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
>> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
>> @@ -220,7 +220,7 @@ static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
>>   	if (intel_guc_submission_is_used(guc)) {
>>   		u32 ctxnum, base;
>>   
>> -		base = intel_guc_ggtt_offset(guc, guc->stage_desc_pool);
>> +		base = intel_guc_ggtt_offset(guc->stage_desc_pool);
>>   		ctxnum = GUC_MAX_STAGE_DESCRIPTORS / 16;
>>   
>>   		base >>= PAGE_SHIFT;
>> @@ -232,7 +232,7 @@ static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
>>   
>>   static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
>>   {
>> -	u32 offset = intel_guc_ggtt_offset(guc, guc->log.vma) >> PAGE_SHIFT;
>> +	u32 offset = intel_guc_ggtt_offset(guc->log.vma) >> PAGE_SHIFT;
>>   	u32 flags;
>>   
>>   	#if (((CRASH_BUFFER_SIZE) % SZ_1M) == 0)
>> @@ -273,7 +273,7 @@ static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
>>   
>>   static u32 guc_ctl_ads_flags(struct intel_guc *guc)
>>   {
>> -	u32 ads = intel_guc_ggtt_offset(guc, guc->ads_vma) >> PAGE_SHIFT;
>> +	u32 ads = intel_guc_ggtt_offset(guc->ads_vma) >> PAGE_SHIFT;
>>   	u32 flags = ads << GUC_ADS_ADDR_SHIFT;
>>   
>>   	return flags;
>> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
>> index e84ab67b317d..366191204a7d 100644
>> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h
>> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
>> @@ -103,7 +103,6 @@ static inline void intel_guc_to_host_event_handler(struct intel_guc *guc)
>>   
>>   /**
>>    * intel_guc_ggtt_offset() - Get and validate the GGTT offset of @vma
>> - * @guc: intel_guc structure.
>>    * @vma: i915 graphics virtual memory area.
>>    *
>>    * GuC does not allow any gfx GGTT address that falls into range
>> @@ -114,8 +113,7 @@ static inline void intel_guc_to_host_event_handler(struct intel_guc *guc)
>>    *
>>    * Return: GGTT offset of the @vma.
>>    */
>> -static inline u32 intel_guc_ggtt_offset(struct intel_guc *guc,
>> -					struct i915_vma *vma)
>> +static inline u32 intel_guc_ggtt_offset(struct i915_vma *vma)
> 
> leaving this function with 'intel_guc' prefix without param guc would
> break our naming schema, maybe we should rename it to:
> 
> 	static inline u32 i915_ggtt_offset_guc(struct i915_vma *vma)
> 

I'm not convinced this is a good idea, the guc code still owns this 
function, so IMO it should still be called intel_guc_* to make that 
clear. We do have plenty of examples where the prefix and the param 
don't match, e.g. i915_ggtt_pin_bias just below accepts a vma and not 
the GGTT structure. With this I don't want to say that we should not try 
to match the prefix and param as much as possible, just that we should 
avoid enforcing that rule too strictly.

> as code inside init_ggtt() already understands guc specifics ...
> 
>>   {
>>   	u32 offset = i915_ggtt_offset(vma);
> 
> btw, we have here (not shown) in diff:
> 
> 	GEM_BUG_ON(offset < i915_ggtt_pin_bias(vma));
> 
> that I would move to i915_ggtt_offset() as it quite generic

Not all objects are pinned using the bias so can't do that.

> and replace it with something more GuC specific, like:
> 
> 	GEM_BUG_ON(offset < intel_wopcm_guc_size(wopcm))

I have a patch later in the series to move the wopcm under uc, so 
getting it from the vma would be troublesome (vma->vm->gt.uc). Since we 
use this for HuC as well maybe we can change to:

intel_uc_ggtt_offset(struct intel_uc *uc, struct i915_vma *vma)
{
	GEM_BUG_ON(offset < intel_uc_wopcm_guc_size(uc));
	...
}

but not sure if passing in the uc just to get to the wopcm is overkill 
when we have the bias value easily accessible via i915_ggtt_pin_bias. 
Thoughts?

Daniele

> 
> Michal
> 
>>   
>> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
>> index 101728006ae9..9237d798f7f4 100644
>> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
>> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
>> @@ -107,7 +107,7 @@ static void __guc_ads_init(struct intel_guc *guc)
>>   	blob->system_info.vebox_enable_mask = VEBOX_MASK(dev_priv);
>>   	blob->system_info.vdbox_sfc_support_mask = RUNTIME_INFO(dev_priv)->vdbox_sfc_access;
>>   
>> -	base = intel_guc_ggtt_offset(guc, guc->ads_vma);
>> +	base = intel_guc_ggtt_offset(guc->ads_vma);
>>   
>>   	/* Clients info  */
>>   	guc_ct_pool_entries_init(blob->ct_pool, ARRAY_SIZE(blob->ct_pool));
>> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
>> index 11742fca0e9e..aad5ac54c1ba 100644
>> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
>> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
>> @@ -187,7 +187,7 @@ int intel_guc_ct_init(struct intel_guc_ct *ct)
>>   		return err;
>>   	}
>>   
>> -	CT_DEBUG(ct, "vma base=%#x\n", intel_guc_ggtt_offset(guc, ct->vma));
>> +	CT_DEBUG(ct, "vma base=%#x\n", intel_guc_ggtt_offset(ct->vma));
>>   
>>   	/* store pointers to desc and cmds */
>>   	for (i = 0; i < ARRAY_SIZE(ct->ctbs); i++) {
>> @@ -220,7 +220,6 @@ void intel_guc_ct_fini(struct intel_guc_ct *ct)
>>    */
>>   int intel_guc_ct_enable(struct intel_guc_ct *ct)
>>   {
>> -	struct intel_guc *guc = ct_to_guc(ct);
>>   	u32 base, cmds, size;
>>   	int err;
>>   	int i;
>> @@ -229,7 +228,7 @@ int intel_guc_ct_enable(struct intel_guc_ct *ct)
>>   
>>   	/* vma should be already allocated and map'ed */
>>   	GEM_BUG_ON(!ct->vma);
>> -	base = intel_guc_ggtt_offset(guc, ct->vma);
>> +	base = intel_guc_ggtt_offset(ct->vma);
>>   
>>   	/* (re)initialize descriptors
>>   	 * cmds buffers are in the second half of the blob page
>> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
>> index fe7778c28d2d..7eaf173dd588 100644
>> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
>> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
>> @@ -153,8 +153,8 @@ static void guc_stage_desc_init(struct intel_guc *guc)
>>   	desc->stage_id = 0;
>>   	desc->priority = GUC_CLIENT_PRIORITY_KMD_NORMAL;
>>   
>> -	desc->process_desc = intel_guc_ggtt_offset(guc, guc->proc_desc);
>> -	desc->wq_addr = intel_guc_ggtt_offset(guc, guc->workqueue);
>> +	desc->process_desc = intel_guc_ggtt_offset(guc->proc_desc);
>> +	desc->wq_addr = intel_guc_ggtt_offset(guc->workqueue);
>>   	desc->wq_size = GUC_WQ_SIZE;
>>   }
>>   
>> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
>> index 65eeb44b397d..534f4d9f6591 100644
>> --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c
>> +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
>> @@ -166,8 +166,7 @@ int intel_huc_auth(struct intel_huc *huc)
>>   	if (ret)
>>   		goto fail;
>>   
>> -	ret = intel_guc_auth_huc(guc,
>> -				 intel_guc_ggtt_offset(guc, huc->rsa_data));
>> +	ret = intel_guc_auth_huc(guc, intel_guc_ggtt_offset(huc->rsa_data));
>>   	if (ret) {
>>   		DRM_ERROR("HuC: GuC did not ack Auth request %d\n", ret);
>>   		goto fail;
>>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 861657897c0f..5134d544bf4c 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -220,7 +220,7 @@  static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
 	if (intel_guc_submission_is_used(guc)) {
 		u32 ctxnum, base;
 
-		base = intel_guc_ggtt_offset(guc, guc->stage_desc_pool);
+		base = intel_guc_ggtt_offset(guc->stage_desc_pool);
 		ctxnum = GUC_MAX_STAGE_DESCRIPTORS / 16;
 
 		base >>= PAGE_SHIFT;
@@ -232,7 +232,7 @@  static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
 
 static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
 {
-	u32 offset = intel_guc_ggtt_offset(guc, guc->log.vma) >> PAGE_SHIFT;
+	u32 offset = intel_guc_ggtt_offset(guc->log.vma) >> PAGE_SHIFT;
 	u32 flags;
 
 	#if (((CRASH_BUFFER_SIZE) % SZ_1M) == 0)
@@ -273,7 +273,7 @@  static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
 
 static u32 guc_ctl_ads_flags(struct intel_guc *guc)
 {
-	u32 ads = intel_guc_ggtt_offset(guc, guc->ads_vma) >> PAGE_SHIFT;
+	u32 ads = intel_guc_ggtt_offset(guc->ads_vma) >> PAGE_SHIFT;
 	u32 flags = ads << GUC_ADS_ADDR_SHIFT;
 
 	return flags;
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
index e84ab67b317d..366191204a7d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
@@ -103,7 +103,6 @@  static inline void intel_guc_to_host_event_handler(struct intel_guc *guc)
 
 /**
  * intel_guc_ggtt_offset() - Get and validate the GGTT offset of @vma
- * @guc: intel_guc structure.
  * @vma: i915 graphics virtual memory area.
  *
  * GuC does not allow any gfx GGTT address that falls into range
@@ -114,8 +113,7 @@  static inline void intel_guc_to_host_event_handler(struct intel_guc *guc)
  *
  * Return: GGTT offset of the @vma.
  */
-static inline u32 intel_guc_ggtt_offset(struct intel_guc *guc,
-					struct i915_vma *vma)
+static inline u32 intel_guc_ggtt_offset(struct i915_vma *vma)
 {
 	u32 offset = i915_ggtt_offset(vma);
 
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
index 101728006ae9..9237d798f7f4 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
@@ -107,7 +107,7 @@  static void __guc_ads_init(struct intel_guc *guc)
 	blob->system_info.vebox_enable_mask = VEBOX_MASK(dev_priv);
 	blob->system_info.vdbox_sfc_support_mask = RUNTIME_INFO(dev_priv)->vdbox_sfc_access;
 
-	base = intel_guc_ggtt_offset(guc, guc->ads_vma);
+	base = intel_guc_ggtt_offset(guc->ads_vma);
 
 	/* Clients info  */
 	guc_ct_pool_entries_init(blob->ct_pool, ARRAY_SIZE(blob->ct_pool));
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 11742fca0e9e..aad5ac54c1ba 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -187,7 +187,7 @@  int intel_guc_ct_init(struct intel_guc_ct *ct)
 		return err;
 	}
 
-	CT_DEBUG(ct, "vma base=%#x\n", intel_guc_ggtt_offset(guc, ct->vma));
+	CT_DEBUG(ct, "vma base=%#x\n", intel_guc_ggtt_offset(ct->vma));
 
 	/* store pointers to desc and cmds */
 	for (i = 0; i < ARRAY_SIZE(ct->ctbs); i++) {
@@ -220,7 +220,6 @@  void intel_guc_ct_fini(struct intel_guc_ct *ct)
  */
 int intel_guc_ct_enable(struct intel_guc_ct *ct)
 {
-	struct intel_guc *guc = ct_to_guc(ct);
 	u32 base, cmds, size;
 	int err;
 	int i;
@@ -229,7 +228,7 @@  int intel_guc_ct_enable(struct intel_guc_ct *ct)
 
 	/* vma should be already allocated and map'ed */
 	GEM_BUG_ON(!ct->vma);
-	base = intel_guc_ggtt_offset(guc, ct->vma);
+	base = intel_guc_ggtt_offset(ct->vma);
 
 	/* (re)initialize descriptors
 	 * cmds buffers are in the second half of the blob page
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index fe7778c28d2d..7eaf173dd588 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -153,8 +153,8 @@  static void guc_stage_desc_init(struct intel_guc *guc)
 	desc->stage_id = 0;
 	desc->priority = GUC_CLIENT_PRIORITY_KMD_NORMAL;
 
-	desc->process_desc = intel_guc_ggtt_offset(guc, guc->proc_desc);
-	desc->wq_addr = intel_guc_ggtt_offset(guc, guc->workqueue);
+	desc->process_desc = intel_guc_ggtt_offset(guc->proc_desc);
+	desc->wq_addr = intel_guc_ggtt_offset(guc->workqueue);
 	desc->wq_size = GUC_WQ_SIZE;
 }
 
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
index 65eeb44b397d..534f4d9f6591 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
@@ -166,8 +166,7 @@  int intel_huc_auth(struct intel_huc *huc)
 	if (ret)
 		goto fail;
 
-	ret = intel_guc_auth_huc(guc,
-				 intel_guc_ggtt_offset(guc, huc->rsa_data));
+	ret = intel_guc_auth_huc(guc, intel_guc_ggtt_offset(huc->rsa_data));
 	if (ret) {
 		DRM_ERROR("HuC: GuC did not ack Auth request %d\n", ret);
 		goto fail;