diff mbox

[2/6] drm/i915/debugfs: reuse max slice/subslices already stored in sseu

Message ID 20171218153520.14181-3-lionel.g.landwerlin@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Lionel Landwerlin Dec. 18, 2017, 3:35 p.m. UTC
Now that we have that information in topology fields, let's just reused it.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 26 ++++++++++----------------
 1 file changed, 10 insertions(+), 16 deletions(-)

Comments

Tvrtko Ursulin Jan. 11, 2018, 11:21 a.m. UTC | #1
On 18/12/2017 15:35, Lionel Landwerlin wrote:
> Now that we have that information in topology fields, let's just reused it.
> 
> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
> ---
>   drivers/gpu/drm/i915/i915_debugfs.c | 26 ++++++++++----------------
>   1 file changed, 10 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 0c7890b695c5..6ec7543e698f 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -4308,11 +4308,11 @@ static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
>   				     struct sseu_dev_info *sseu)
>   {
>   	const struct intel_device_info *info = INTEL_INFO(dev_priv);
> -	int s_max = 6, ss_max = 4;
>   	int s, ss;
> -	u32 s_reg[s_max], eu_reg[2 * s_max], eu_mask[2];
> +	u32 s_reg[info->sseu.max_slices],
> +		eu_reg[2 * info->sseu.max_subslices], eu_mask[2];

This is a bit unusual style, perhaps split into separate declarations.

>   
> -	for (s = 0; s < s_max; s++) {
> +	for (s = 0; s < info->sseu.max_slices; s++) {
>   		/*
>   		 * FIXME: Valid SS Mask respects the spec and read
>   		 * only valid bits for those registers, excluding reserverd
> @@ -4334,7 +4334,7 @@ static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
>   		     GEN9_PGCTL_SSB_EU210_ACK |
>   		     GEN9_PGCTL_SSB_EU311_ACK;
>   
> -	for (s = 0; s < s_max; s++) {
> +	for (s = 0; s < info->sseu.max_slices; s++) {
>   		if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
>   			/* skip disabled slice */
>   			continue;
> @@ -4342,7 +4342,7 @@ static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
>   		sseu->slice_mask |= BIT(s);
>   		sseu->subslices_mask[s] = info->sseu.subslices_mask[s];
>   
> -		for (ss = 0; ss < ss_max; ss++) {
> +		for (ss = 0; ss < info->sseu.max_subslices; ss++) {
>   			unsigned int eu_cnt;
>   
>   			if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss))))
> @@ -4362,17 +4362,11 @@ static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
>   static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
>   				    struct sseu_dev_info *sseu)
>   {
> -	int s_max = 3, ss_max = 4;
> +	const struct intel_device_info *info = INTEL_INFO(dev_priv);
>   	int s, ss;
> -	u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2];
> -
> -	/* BXT has a single slice and at most 3 subslices. */
> -	if (IS_GEN9_LP(dev_priv)) {
> -		s_max = 1;
> -		ss_max = 3;
> -	}
> +	u32 s_reg[info->sseu.max_slices], eu_reg[2*info->sseu.max_subslices], eu_mask[2];

Spaces around operators are preferred.

>   
> -	for (s = 0; s < s_max; s++) {
> +	for (s = 0; s < info->sseu.max_slices; s++) {
>   		s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s));
>   		eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s));
>   		eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s));
> @@ -4387,7 +4381,7 @@ static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
>   		     GEN9_PGCTL_SSB_EU210_ACK |
>   		     GEN9_PGCTL_SSB_EU311_ACK;
>   
> -	for (s = 0; s < s_max; s++) {
> +	for (s = 0; s < info->sseu.max_slices; s++) {
>   		if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
>   			/* skip disabled slice */
>   			continue;
> @@ -4398,7 +4392,7 @@ static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
>   			sseu->subslices_mask[s] =
>   				INTEL_INFO(dev_priv)->sseu.subslices_mask[s];
>   
> -		for (ss = 0; ss < ss_max; ss++) {
> +		for (ss = 0; ss < info->sseu.max_subslices; ss++) {
>   			unsigned int eu_cnt;
>   
>   			if (IS_GEN9_LP(dev_priv)) {
> 

With the formatting tweaks,

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Regards,

Tvrtko
Lionel Landwerlin Jan. 11, 2018, 3:50 p.m. UTC | #2
On 11/01/18 11:21, Tvrtko Ursulin wrote:
>
> On 18/12/2017 15:35, Lionel Landwerlin wrote:
>> Now that we have that information in topology fields, let's just 
>> reused it.
>>
>> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
>> ---
>>   drivers/gpu/drm/i915/i915_debugfs.c | 26 ++++++++++----------------
>>   1 file changed, 10 insertions(+), 16 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c 
>> b/drivers/gpu/drm/i915/i915_debugfs.c
>> index 0c7890b695c5..6ec7543e698f 100644
>> --- a/drivers/gpu/drm/i915/i915_debugfs.c
>> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
>> @@ -4308,11 +4308,11 @@ static void gen10_sseu_device_status(struct 
>> drm_i915_private *dev_priv,
>>                        struct sseu_dev_info *sseu)
>>   {
>>       const struct intel_device_info *info = INTEL_INFO(dev_priv);
>> -    int s_max = 6, ss_max = 4;
>>       int s, ss;
>> -    u32 s_reg[s_max], eu_reg[2 * s_max], eu_mask[2];
>> +    u32 s_reg[info->sseu.max_slices],
>> +        eu_reg[2 * info->sseu.max_subslices], eu_mask[2];
>
> This is a bit unusual style, perhaps split into separate declarations.

Done.

>
>>   -    for (s = 0; s < s_max; s++) {
>> +    for (s = 0; s < info->sseu.max_slices; s++) {
>>           /*
>>            * FIXME: Valid SS Mask respects the spec and read
>>            * only valid bits for those registers, excluding reserverd
>> @@ -4334,7 +4334,7 @@ static void gen10_sseu_device_status(struct 
>> drm_i915_private *dev_priv,
>>                GEN9_PGCTL_SSB_EU210_ACK |
>>                GEN9_PGCTL_SSB_EU311_ACK;
>>   -    for (s = 0; s < s_max; s++) {
>> +    for (s = 0; s < info->sseu.max_slices; s++) {
>>           if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
>>               /* skip disabled slice */
>>               continue;
>> @@ -4342,7 +4342,7 @@ static void gen10_sseu_device_status(struct 
>> drm_i915_private *dev_priv,
>>           sseu->slice_mask |= BIT(s);
>>           sseu->subslices_mask[s] = info->sseu.subslices_mask[s];
>>   -        for (ss = 0; ss < ss_max; ss++) {
>> +        for (ss = 0; ss < info->sseu.max_subslices; ss++) {
>>               unsigned int eu_cnt;
>>                 if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss))))
>> @@ -4362,17 +4362,11 @@ static void gen10_sseu_device_status(struct 
>> drm_i915_private *dev_priv,
>>   static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
>>                       struct sseu_dev_info *sseu)
>>   {
>> -    int s_max = 3, ss_max = 4;
>> +    const struct intel_device_info *info = INTEL_INFO(dev_priv);
>>       int s, ss;
>> -    u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2];
>> -
>> -    /* BXT has a single slice and at most 3 subslices. */
>> -    if (IS_GEN9_LP(dev_priv)) {
>> -        s_max = 1;
>> -        ss_max = 3;
>> -    }
>> +    u32 s_reg[info->sseu.max_slices], 
>> eu_reg[2*info->sseu.max_subslices], eu_mask[2];
>
> Spaces around operators are preferred.

Done.

>
>>   -    for (s = 0; s < s_max; s++) {
>> +    for (s = 0; s < info->sseu.max_slices; s++) {
>>           s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s));
>>           eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s));
>>           eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s));
>> @@ -4387,7 +4381,7 @@ static void gen9_sseu_device_status(struct 
>> drm_i915_private *dev_priv,
>>                GEN9_PGCTL_SSB_EU210_ACK |
>>                GEN9_PGCTL_SSB_EU311_ACK;
>>   -    for (s = 0; s < s_max; s++) {
>> +    for (s = 0; s < info->sseu.max_slices; s++) {
>>           if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
>>               /* skip disabled slice */
>>               continue;
>> @@ -4398,7 +4392,7 @@ static void gen9_sseu_device_status(struct 
>> drm_i915_private *dev_priv,
>>               sseu->subslices_mask[s] =
>> INTEL_INFO(dev_priv)->sseu.subslices_mask[s];
>>   -        for (ss = 0; ss < ss_max; ss++) {
>> +        for (ss = 0; ss < info->sseu.max_subslices; ss++) {
>>               unsigned int eu_cnt;
>>                 if (IS_GEN9_LP(dev_priv)) {
>>
>
> With the formatting tweaks,
>
> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>
> Regards,
>
> Tvrtko
>
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 0c7890b695c5..6ec7543e698f 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -4308,11 +4308,11 @@  static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
 				     struct sseu_dev_info *sseu)
 {
 	const struct intel_device_info *info = INTEL_INFO(dev_priv);
-	int s_max = 6, ss_max = 4;
 	int s, ss;
-	u32 s_reg[s_max], eu_reg[2 * s_max], eu_mask[2];
+	u32 s_reg[info->sseu.max_slices],
+		eu_reg[2 * info->sseu.max_subslices], eu_mask[2];
 
-	for (s = 0; s < s_max; s++) {
+	for (s = 0; s < info->sseu.max_slices; s++) {
 		/*
 		 * FIXME: Valid SS Mask respects the spec and read
 		 * only valid bits for those registers, excluding reserverd
@@ -4334,7 +4334,7 @@  static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
 		     GEN9_PGCTL_SSB_EU210_ACK |
 		     GEN9_PGCTL_SSB_EU311_ACK;
 
-	for (s = 0; s < s_max; s++) {
+	for (s = 0; s < info->sseu.max_slices; s++) {
 		if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
 			/* skip disabled slice */
 			continue;
@@ -4342,7 +4342,7 @@  static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
 		sseu->slice_mask |= BIT(s);
 		sseu->subslices_mask[s] = info->sseu.subslices_mask[s];
 
-		for (ss = 0; ss < ss_max; ss++) {
+		for (ss = 0; ss < info->sseu.max_subslices; ss++) {
 			unsigned int eu_cnt;
 
 			if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss))))
@@ -4362,17 +4362,11 @@  static void gen10_sseu_device_status(struct drm_i915_private *dev_priv,
 static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
 				    struct sseu_dev_info *sseu)
 {
-	int s_max = 3, ss_max = 4;
+	const struct intel_device_info *info = INTEL_INFO(dev_priv);
 	int s, ss;
-	u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2];
-
-	/* BXT has a single slice and at most 3 subslices. */
-	if (IS_GEN9_LP(dev_priv)) {
-		s_max = 1;
-		ss_max = 3;
-	}
+	u32 s_reg[info->sseu.max_slices], eu_reg[2*info->sseu.max_subslices], eu_mask[2];
 
-	for (s = 0; s < s_max; s++) {
+	for (s = 0; s < info->sseu.max_slices; s++) {
 		s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s));
 		eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s));
 		eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s));
@@ -4387,7 +4381,7 @@  static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
 		     GEN9_PGCTL_SSB_EU210_ACK |
 		     GEN9_PGCTL_SSB_EU311_ACK;
 
-	for (s = 0; s < s_max; s++) {
+	for (s = 0; s < info->sseu.max_slices; s++) {
 		if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
 			/* skip disabled slice */
 			continue;
@@ -4398,7 +4392,7 @@  static void gen9_sseu_device_status(struct drm_i915_private *dev_priv,
 			sseu->subslices_mask[s] =
 				INTEL_INFO(dev_priv)->sseu.subslices_mask[s];
 
-		for (ss = 0; ss < ss_max; ss++) {
+		for (ss = 0; ss < info->sseu.max_subslices; ss++) {
 			unsigned int eu_cnt;
 
 			if (IS_GEN9_LP(dev_priv)) {