[PATCH] drm/i915/guc: Removed unused GuC parameters.

[PATCH] drm/i915/guc: Removed unused GuC parameters.

[Piotr Piórkowski]

In the i915 driver, there is a function, intel_guc_init_params(),
which initializes the GuC parameter block which is passed into
the GuC. There is parameter GUC_CTL_DEVICE_INFO with values
GfxGtType and GfxCoreFamily unused by GuC.

This patch remove GUC_CTL_DEVICE_INFO with GfxGtType and
GfxCoreFamily parameters and also unnecessary functions
get_gt_type() and get_core_family().

Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
---
 drivers/gpu/drm/i915/i915_params.h    |  2 +-
 drivers/gpu/drm/i915/intel_guc.c      | 24 ------------------------
 drivers/gpu/drm/i915/intel_guc_fwif.h |  4 ----
 drivers/gpu/drm/i915/intel_uc.c       |  2 ++
 4 files changed, 3 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
index 430f5f9d0ff4..3deae1e22974 100644
--- a/drivers/gpu/drm/i915/i915_params.h
+++ b/drivers/gpu/drm/i915/i915_params.h
@@ -47,7 +47,7 @@ struct drm_printer;
 	param(int, disable_power_well, -1) \
 	param(int, enable_ips, 1) \
 	param(int, invert_brightness, 0) \
-	param(int, enable_guc, 0) \
+	param(int, enable_guc, -1) \
 	param(int, guc_log_level, 0) \
 	param(char *, guc_firmware_path, NULL) \
 	param(char *, huc_firmware_path, NULL) \
diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
index 21140ccd7a97..5f6d84251830 100644
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -200,26 +200,6 @@ void intel_guc_fini(struct intel_guc *guc)
 	guc_shared_data_destroy(guc);
 }
 
-static u32 get_gt_type(struct drm_i915_private *dev_priv)
-{
-	/* XXX: GT type based on PCI device ID? field seems unused by fw */
-	return 0;
-}
-
-static u32 get_core_family(struct drm_i915_private *dev_priv)
-{
-	u32 gen = INTEL_GEN(dev_priv);
-
-	switch (gen) {
-	case 9:
-		return GUC_CORE_FAMILY_GEN9;
-
-	default:
-		MISSING_CASE(gen);
-		return GUC_CORE_FAMILY_UNKNOWN;
-	}
-}
-
 static u32 get_log_verbosity_flags(void)
 {
 	if (i915_modparams.guc_log_level > 0) {
@@ -246,10 +226,6 @@ void intel_guc_init_params(struct intel_guc *guc)
 
 	memset(params, 0, sizeof(params));
 
-	params[GUC_CTL_DEVICE_INFO] |=
-		(get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) |
-		(get_core_family(dev_priv) << GUC_CTL_CORE_FAMILY_SHIFT);
-
 	/*
 	 * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one
 	 * second. This ARAR is calculated by:
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h
index 6a10aa6f04d3..0f381de44722 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
@@ -81,10 +81,6 @@
 #define GUC_CTL_ARAT_HIGH		1
 #define GUC_CTL_ARAT_LOW		2
 
-#define GUC_CTL_DEVICE_INFO		3
-#define   GUC_CTL_GT_TYPE_SHIFT		0
-#define   GUC_CTL_CORE_FAMILY_SHIFT	7
-
 #define GUC_CTL_LOG_PARAMS		4
 #define   GUC_LOG_VALID			(1 << 0)
 #define   GUC_LOG_NOTIFY_ON_HALF_FULL	(1 << 1)
diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index 9f1bac6398fb..b48056fb769d 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -63,6 +63,8 @@ static int __get_platform_enable_guc(struct drm_i915_private *dev_priv)
 		enable_guc |= ENABLE_GUC_LOAD_HUC;
 
 	/* Any platform specific fine-tuning can be done here */
+	if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
+		enable_guc = 0;
 
 	return enable_guc;
 }
-- 
2.14.3

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✓ Fi.CI.BAT: success for drm/i915/guc: Removed unused GuC parameters.

[Patchwork]

== Series Details ==

Series: drm/i915/guc: Removed unused GuC parameters.
URL   : https://patchwork.freedesktop.org/series/39154/
State : success

== Summary ==

Series 39154v1 drm/i915/guc: Removed unused GuC parameters.
https://patchwork.freedesktop.org/api/1.0/series/39154/revisions/1/mbox/

fi-bdw-5557u     total:288  pass:267  dwarn:0   dfail:0   fail:0   skip:21  time:422s
fi-blb-e6850     total:288  pass:223  dwarn:1   dfail:0   fail:0   skip:64  time:374s
fi-bsw-n3050     total:288  pass:242  dwarn:0   dfail:0   fail:0   skip:46  time:493s
fi-bwr-2160      total:288  pass:183  dwarn:0   dfail:0   fail:0   skip:105 time:288s
fi-bxt-dsi       total:288  pass:258  dwarn:0   dfail:0   fail:0   skip:30  time:480s
fi-bxt-j4205     total:288  pass:259  dwarn:0   dfail:0   fail:0   skip:29  time:484s
fi-byt-j1900     total:288  pass:253  dwarn:0   dfail:0   fail:0   skip:35  time:470s
fi-byt-n2820     total:288  pass:249  dwarn:0   dfail:0   fail:0   skip:39  time:459s
fi-cfl-8700k     total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:396s
fi-cfl-s2        total:288  pass:262  dwarn:0   dfail:0   fail:0   skip:26  time:566s
fi-cnl-y3        total:288  pass:262  dwarn:0   dfail:0   fail:0   skip:26  time:578s
fi-elk-e7500     total:288  pass:229  dwarn:0   dfail:0   fail:0   skip:59  time:415s
fi-gdg-551       total:288  pass:179  dwarn:0   dfail:0   fail:1   skip:108 time:285s
fi-glk-1         total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:507s
fi-hsw-4770      total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:393s
fi-ilk-650       total:288  pass:228  dwarn:0   dfail:0   fail:0   skip:60  time:410s
fi-ivb-3520m     total:288  pass:259  dwarn:0   dfail:0   fail:0   skip:29  time:454s
fi-ivb-3770      total:288  pass:255  dwarn:0   dfail:0   fail:0   skip:33  time:417s
fi-kbl-7500u     total:288  pass:263  dwarn:1   dfail:0   fail:0   skip:24  time:457s
fi-kbl-7560u     total:288  pass:269  dwarn:0   dfail:0   fail:0   skip:19  time:490s
fi-kbl-7567u     total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:448s
fi-kbl-r         total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:491s
fi-pnv-d510      total:288  pass:222  dwarn:1   dfail:0   fail:0   skip:65  time:586s
fi-skl-6260u     total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:424s
fi-skl-6600u     total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:502s
fi-skl-6700hq    total:288  pass:262  dwarn:0   dfail:0   fail:0   skip:26  time:519s
fi-skl-6700k2    total:288  pass:264  dwarn:0   dfail:0   fail:0   skip:24  time:481s
fi-skl-6770hq    total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:478s
fi-skl-guc       total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:408s
fi-skl-gvtdvm    total:288  pass:265  dwarn:0   dfail:0   fail:0   skip:23  time:432s
fi-snb-2520m     total:288  pass:248  dwarn:0   dfail:0   fail:0   skip:40  time:525s
fi-snb-2600      total:288  pass:248  dwarn:0   dfail:0   fail:0   skip:40  time:394s

573e919160e546baa4268a213400f9f42f72ae97 drm-tip: 2018y-02m-28d-16h-17m-37s UTC integration manifest
413edd39a3f2 drm/i915/guc: Removed unused GuC parameters.

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_8189/issues.html
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Re: [PATCH] drm/i915/guc: Removed unused GuC parameters.

[Michel Thierry]

On 28/02/18 10:42, Piotr Piórkowski wrote:
> In the i915 driver, there is a function, intel_guc_init_params(),
> which initializes the GuC parameter block which is passed into
> the GuC. There is parameter GUC_CTL_DEVICE_INFO with values
> GfxGtType and GfxCoreFamily unused by GuC.
> 
> This patch remove GUC_CTL_DEVICE_INFO with GfxGtType and
> GfxCoreFamily parameters and also unnecessary functions
> get_gt_type() and get_core_family().
> 

Hi,

Looking at the fw code, you're partially right, GfxGtType is ignored... 
but GfxCoreFamily isn't.

If you don't pass a known GfxCoreFamily, SLPC will be disabled (enabling 
SLPC is in some manager's wish list). Also it seems nobody remembered to 
add GUC_CORE_FAMILY_GEN10 for CNL.

> Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
> ---
>   drivers/gpu/drm/i915/i915_params.h    |  2 +-
>   drivers/gpu/drm/i915/intel_guc.c      | 24 ------------------------
>   drivers/gpu/drm/i915/intel_guc_fwif.h |  4 ----
>   drivers/gpu/drm/i915/intel_uc.c       |  2 ++
>   4 files changed, 3 insertions(+), 29 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
> index 430f5f9d0ff4..3deae1e22974 100644
> --- a/drivers/gpu/drm/i915/i915_params.h
> +++ b/drivers/gpu/drm/i915/i915_params.h
> @@ -47,7 +47,7 @@ struct drm_printer;
>   	param(int, disable_power_well, -1) \
>   	param(int, enable_ips, 1) \
>   	param(int, invert_brightness, 0) \
> -	param(int, enable_guc, 0) \
> +	param(int, enable_guc, -1) \

This shouldn't be part of your patch, enable guc submission in a 2nd 
patch, for example: [PATCH 2/2] HAX: Enable GuC submission for CI

>   	param(int, guc_log_level, 0) \
>   	param(char *, guc_firmware_path, NULL) \
>   	param(char *, huc_firmware_path, NULL) \
> diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
> index 21140ccd7a97..5f6d84251830 100644
> --- a/drivers/gpu/drm/i915/intel_guc.c
> +++ b/drivers/gpu/drm/i915/intel_guc.c
> @@ -200,26 +200,6 @@ void intel_guc_fini(struct intel_guc *guc)
>   	guc_shared_data_destroy(guc);
>   }
>   
> -static u32 get_gt_type(struct drm_i915_private *dev_priv)
> -{
> -	/* XXX: GT type based on PCI device ID? field seems unused by fw */
> -	return 0;
> -}
> -
> -static u32 get_core_family(struct drm_i915_private *dev_priv)
> -{
> -	u32 gen = INTEL_GEN(dev_priv);
> -
> -	switch (gen) {
> -	case 9:
> -		return GUC_CORE_FAMILY_GEN9;
> -
> -	default:
> -		MISSING_CASE(gen);
> -		return GUC_CORE_FAMILY_UNKNOWN;
> -	}
> -}
> -
>   static u32 get_log_verbosity_flags(void)
>   {
>   	if (i915_modparams.guc_log_level > 0) {
> @@ -246,10 +226,6 @@ void intel_guc_init_params(struct intel_guc *guc)
>   
>   	memset(params, 0, sizeof(params));
>   
> -	params[GUC_CTL_DEVICE_INFO] |=
> -		(get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) |
> -		(get_core_family(dev_priv) << GUC_CTL_CORE_FAMILY_SHIFT);
> -
>   	/*
>   	 * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one
>   	 * second. This ARAR is calculated by:
> diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h
> index 6a10aa6f04d3..0f381de44722 100644
> --- a/drivers/gpu/drm/i915/intel_guc_fwif.h
> +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
> @@ -81,10 +81,6 @@
>   #define GUC_CTL_ARAT_HIGH		1
>   #define GUC_CTL_ARAT_LOW		2
>   
> -#define GUC_CTL_DEVICE_INFO		3
> -#define   GUC_CTL_GT_TYPE_SHIFT		0
> -#define   GUC_CTL_CORE_FAMILY_SHIFT	7
> -
>   #define GUC_CTL_LOG_PARAMS		4
>   #define   GUC_LOG_VALID			(1 << 0)
>   #define   GUC_LOG_NOTIFY_ON_HALF_FULL	(1 << 1)
> diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
> index 9f1bac6398fb..b48056fb769d 100644
> --- a/drivers/gpu/drm/i915/intel_uc.c
> +++ b/drivers/gpu/drm/i915/intel_uc.c
> @@ -63,6 +63,8 @@ static int __get_platform_enable_guc(struct drm_i915_private *dev_priv)
>   		enable_guc |= ENABLE_GUC_LOAD_HUC;
>   
>   	/* Any platform specific fine-tuning can be done here */
> +	if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
> +		enable_guc = 0;

This is also part of [PATCH 2/2] HAX: Enable GuC submission for CI

>   
>   	return enable_guc;
>   }
> 

-Michel
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Re: [PATCH] drm/i915/guc: Removed unused GuC parameters.

[Michel Thierry]

On 28/02/18 12:26, Michel Thierry wrote:
> On 28/02/18 10:42, Piotr Piórkowski wrote:
>> In the i915 driver, there is a function, intel_guc_init_params(),
>> which initializes the GuC parameter block which is passed into
>> the GuC. There is parameter GUC_CTL_DEVICE_INFO with values
>> GfxGtType and GfxCoreFamily unused by GuC.
>>
>> This patch remove GUC_CTL_DEVICE_INFO with GfxGtType and
>> GfxCoreFamily parameters and also unnecessary functions
>> get_gt_type() and get_core_family().
>>
> 
> Hi,
> 
> Looking at the fw code, you're partially right, GfxGtType is ignored... 
> but GfxCoreFamily isn't.
> 

Unless whoever wrote the fw was smart enough to forget to call the 
function that is reading GfxCoreFamily... I didn't count on that.

So yes, guc couldn't care less about what value we put in GfxCoreFamily.

Then I would also remove the defines from intel_guc_fwif.h:

--#define GUC_CORE_FAMILY_GEN9            12
--#define GUC_CORE_FAMILY_UNKNOWN         0x7fffffff

-Michel

> If you don't pass a known GfxCoreFamily, SLPC will be disabled (enabling 
> SLPC is in some manager's wish list). Also it seems nobody remembered to 
> add GUC_CORE_FAMILY_GEN10 for CNL.
> 
>> Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
>> ---
>>   drivers/gpu/drm/i915/i915_params.h    |  2 +-
>>   drivers/gpu/drm/i915/intel_guc.c      | 24 ------------------------
>>   drivers/gpu/drm/i915/intel_guc_fwif.h |  4 ----
>>   drivers/gpu/drm/i915/intel_uc.c       |  2 ++
>>   4 files changed, 3 insertions(+), 29 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_params.h 
>> b/drivers/gpu/drm/i915/i915_params.h
>> index 430f5f9d0ff4..3deae1e22974 100644
>> --- a/drivers/gpu/drm/i915/i915_params.h
>> +++ b/drivers/gpu/drm/i915/i915_params.h
>> @@ -47,7 +47,7 @@ struct drm_printer;
>>       param(int, disable_power_well, -1) \
>>       param(int, enable_ips, 1) \
>>       param(int, invert_brightness, 0) \
>> -    param(int, enable_guc, 0) \
>> +    param(int, enable_guc, -1) \
> 
> This shouldn't be part of your patch, enable guc submission in a 2nd 
> patch, for example: [PATCH 2/2] HAX: Enable GuC submission for CI
> 
>>       param(int, guc_log_level, 0) \
>>       param(char *, guc_firmware_path, NULL) \
>>       param(char *, huc_firmware_path, NULL) \
>> diff --git a/drivers/gpu/drm/i915/intel_guc.c 
>> b/drivers/gpu/drm/i915/intel_guc.c
>> index 21140ccd7a97..5f6d84251830 100644
>> --- a/drivers/gpu/drm/i915/intel_guc.c
>> +++ b/drivers/gpu/drm/i915/intel_guc.c
>> @@ -200,26 +200,6 @@ void intel_guc_fini(struct intel_guc *guc)
>>       guc_shared_data_destroy(guc);
>>   }
>> -static u32 get_gt_type(struct drm_i915_private *dev_priv)
>> -{
>> -    /* XXX: GT type based on PCI device ID? field seems unused by fw */
>> -    return 0;
>> -}
>> -
>> -static u32 get_core_family(struct drm_i915_private *dev_priv)
>> -{
>> -    u32 gen = INTEL_GEN(dev_priv);
>> -
>> -    switch (gen) {
>> -    case 9:
>> -        return GUC_CORE_FAMILY_GEN9;
>> -
>> -    default:
>> -        MISSING_CASE(gen);
>> -        return GUC_CORE_FAMILY_UNKNOWN;
>> -    }
>> -}
>> -
>>   static u32 get_log_verbosity_flags(void)
>>   {
>>       if (i915_modparams.guc_log_level > 0) {
>> @@ -246,10 +226,6 @@ void intel_guc_init_params(struct intel_guc *guc)
>>       memset(params, 0, sizeof(params));
>> -    params[GUC_CTL_DEVICE_INFO] |=
>> -        (get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) |
>> -        (get_core_family(dev_priv) << GUC_CTL_CORE_FAMILY_SHIFT);
>> -
>>       /*
>>        * GuC ARAT increment is 10 ns. GuC default scheduler quantum is 
>> one
>>        * second. This ARAR is calculated by:
>> diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h 
>> b/drivers/gpu/drm/i915/intel_guc_fwif.h
>> index 6a10aa6f04d3..0f381de44722 100644
>> --- a/drivers/gpu/drm/i915/intel_guc_fwif.h
>> +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
>> @@ -81,10 +81,6 @@
>>   #define GUC_CTL_ARAT_HIGH        1
>>   #define GUC_CTL_ARAT_LOW        2
>> -#define GUC_CTL_DEVICE_INFO        3
>> -#define   GUC_CTL_GT_TYPE_SHIFT        0
>> -#define   GUC_CTL_CORE_FAMILY_SHIFT    7
>> -
>>   #define GUC_CTL_LOG_PARAMS        4
>>   #define   GUC_LOG_VALID            (1 << 0)
>>   #define   GUC_LOG_NOTIFY_ON_HALF_FULL    (1 << 1)
>> diff --git a/drivers/gpu/drm/i915/intel_uc.c 
>> b/drivers/gpu/drm/i915/intel_uc.c
>> index 9f1bac6398fb..b48056fb769d 100644
>> --- a/drivers/gpu/drm/i915/intel_uc.c
>> +++ b/drivers/gpu/drm/i915/intel_uc.c
>> @@ -63,6 +63,8 @@ static int __get_platform_enable_guc(struct 
>> drm_i915_private *dev_priv)
>>           enable_guc |= ENABLE_GUC_LOAD_HUC;
>>       /* Any platform specific fine-tuning can be done here */
>> +    if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
>> +        enable_guc = 0;
> 
> This is also part of [PATCH 2/2] HAX: Enable GuC submission for CI
> 
>>       return enable_guc;
>>   }
>>
> 
> -Michel
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Re: [PATCH] drm/i915/guc: Removed unused GuC parameters.

[Chris Wilson]

Quoting Michel Thierry (2018-02-28 22:07:51)
> On 28/02/18 12:26, Michel Thierry wrote:
> > On 28/02/18 10:42, Piotr Piórkowski wrote:
> >> In the i915 driver, there is a function, intel_guc_init_params(),
> >> which initializes the GuC parameter block which is passed into
> >> the GuC. There is parameter GUC_CTL_DEVICE_INFO with values
> >> GfxGtType and GfxCoreFamily unused by GuC.
> >>
> >> This patch remove GUC_CTL_DEVICE_INFO with GfxGtType and
> >> GfxCoreFamily parameters and also unnecessary functions
> >> get_gt_type() and get_core_family().
> >>
> > 
> > Hi,
> > 
> > Looking at the fw code, you're partially right, GfxGtType is ignored... 
> > but GfxCoreFamily isn't.
> > 
> 
> Unless whoever wrote the fw was smart enough to forget to call the 
> function that is reading GfxCoreFamily... I didn't count on that.

Is the intention to use GfxCoreFamily documented, i.e. are they
expecting it part of the interface and may re-instantiate the check
"because it was always supposed to exist" in some future version?
-Chris
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Re: [PATCH] drm/i915/guc: Removed unused GuC parameters.

[Sagar Arun Kamble]

On 3/1/2018 1:32 PM, Chris Wilson wrote:
> Quoting Michel Thierry (2018-02-28 22:07:51)
>> On 28/02/18 12:26, Michel Thierry wrote:
>>> On 28/02/18 10:42, Piotr Piórkowski wrote:
>>>> In the i915 driver, there is a function, intel_guc_init_params(),
>>>> which initializes the GuC parameter block which is passed into
>>>> the GuC. There is parameter GUC_CTL_DEVICE_INFO with values
>>>> GfxGtType and GfxCoreFamily unused by GuC.
>>>>
>>>> This patch remove GUC_CTL_DEVICE_INFO with GfxGtType and
>>>> GfxCoreFamily parameters and also unnecessary functions
>>>> get_gt_type() and get_core_family().
>>>>
>>> Hi,
>>>
>>> Looking at the fw code, you're partially right, GfxGtType is ignored...
>>> but GfxCoreFamily isn't.
>>>
>> Unless whoever wrote the fw was smart enough to forget to call the
>> function that is reading GfxCoreFamily... I didn't count on that.
> Is the intention to use GfxCoreFamily documented, i.e. are they
> expecting it part of the interface and may re-instantiate the check
> "because it was always supposed to exist" in some future version?
Usage of GfxCoreFamily is only in SLPC and for platform specific 
initialization and might be removed in future interfaces.
If needed, we can add as part of SLPC patches.
> -Chris
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Thanks,
Sagar

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Re: [PATCH] drm/i915/guc: Removed unused GuC parameters.

[John Spotswood]

On Thu, 2018-03-01 at 17:35 +0530, Sagar Arun Kamble wrote:
> 
> On 3/1/2018 1:32 PM, Chris Wilson wrote:
> > 
> > Quoting Michel Thierry (2018-02-28 22:07:51)
> > > 
> > > On 28/02/18 12:26, Michel Thierry wrote:
> > > > 
> > > > On 28/02/18 10:42, Piotr Piórkowski wrote:
> > > > > 
> > > > > In the i915 driver, there is a function,
> > > > > intel_guc_init_params(),
> > > > > which initializes the GuC parameter block which is passed
> > > > > into
> > > > > the GuC. There is parameter GUC_CTL_DEVICE_INFO with values
> > > > > GfxGtType and GfxCoreFamily unused by GuC.
> > > > > 
> > > > > This patch remove GUC_CTL_DEVICE_INFO with GfxGtType and
> > > > > GfxCoreFamily parameters and also unnecessary functions
> > > > > get_gt_type() and get_core_family().
> > > > > 
> > > > Hi,
> > > > 
> > > > Looking at the fw code, you're partially right, GfxGtType is
> > > > ignored...
> > > > but GfxCoreFamily isn't.
> > > > 
> > > Unless whoever wrote the fw was smart enough to forget to call
> > > the
> > > function that is reading GfxCoreFamily... I didn't count on that.
> > Is the intention to use GfxCoreFamily documented, i.e. are they
> > expecting it part of the interface and may re-instantiate the check
> > "because it was always supposed to exist" in some future version?
> Usage of GfxCoreFamily is only in SLPC and for platform specific 
> initialization and might be removed in future interfaces.
> If needed, we can add as part of SLPC patches.
Michel and I have traced through the FW code, and both parameters are
unused.  GfxCoreFamily does appear to be set in the FW, and it gets
passed into SLPC, but then it never gets used.  I have confirmed with
FW developers that these parameters have been removed for future gens.
> > 
> > -Chris
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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Re: [PATCH] drm/i915/guc: Removed unused GuC parameters.

[Sagar Arun Kamble]

On 3/2/2018 12:44 AM, John Spotswood wrote:
> On Thu, 2018-03-01 at 17:35 +0530, Sagar Arun Kamble wrote:
>> On 3/1/2018 1:32 PM, Chris Wilson wrote:
>>> Quoting Michel Thierry (2018-02-28 22:07:51)
>>>> On 28/02/18 12:26, Michel Thierry wrote:
>>>>> On 28/02/18 10:42, Piotr Piórkowski wrote:
>>>>>> In the i915 driver, there is a function,
>>>>>> intel_guc_init_params(),
>>>>>> which initializes the GuC parameter block which is passed
>>>>>> into
>>>>>> the GuC. There is parameter GUC_CTL_DEVICE_INFO with values
>>>>>> GfxGtType and GfxCoreFamily unused by GuC.
>>>>>>
>>>>>> This patch remove GUC_CTL_DEVICE_INFO with GfxGtType and
>>>>>> GfxCoreFamily parameters and also unnecessary functions
>>>>>> get_gt_type() and get_core_family().
>>>>>>
>>>>> Hi,
>>>>>
>>>>> Looking at the fw code, you're partially right, GfxGtType is
>>>>> ignored...
>>>>> but GfxCoreFamily isn't.
>>>>>
>>>> Unless whoever wrote the fw was smart enough to forget to call
>>>> the
>>>> function that is reading GfxCoreFamily... I didn't count on that.
>>> Is the intention to use GfxCoreFamily documented, i.e. are they
>>> expecting it part of the interface and may re-instantiate the check
>>> "because it was always supposed to exist" in some future version?
>> Usage of GfxCoreFamily is only in SLPC and for platform specific
>> initialization and might be removed in future interfaces.
>> If needed, we can add as part of SLPC patches.
> Michel and I have traced through the FW code, and both parameters are
> unused.  GfxCoreFamily does appear to be set in the FW, and it gets
> passed into SLPC, but then it never gets used.
Hi John,

It is needed for SLPC initialization. Verified on v9 GuC firmware that 
SLPC GTPERF gets disabled if i915 does not send this param.
We can add this param as part of SLPC patches for GuC versions which 
need them.

Thanks
Sagar
>    I have confirmed with
> FW developers that these parameters have been removed for future gens.
>>> -Chris
>>> _______________________________________________
>>> Intel-gfx mailing list
>>> Intel-gfx@lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Thanks,
Sagar

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Re: [PATCH] drm/i915/guc: Removed unused GuC parameters.

[Piorkowski, Piotr]

[-- Attachment #1.1: Type: text/plain, Size: 2787 bytes --]

On Fri, 2018-03-02 at 12:53 +0530, Sagar Arun Kamble wrote:
> 
> On 3/2/2018 12:44 AM, John Spotswood wrote:
> > On Thu, 2018-03-01 at 17:35 +0530, Sagar Arun Kamble wrote:
> > > On 3/1/2018 1:32 PM, Chris Wilson wrote:
> > > > Quoting Michel Thierry (2018-02-28 22:07:51)
> > > > > On 28/02/18 12:26, Michel Thierry wrote:
> > > > > > On 28/02/18 10:42, Piotr Piórkowski wrote:
> > > > > > > In the i915 driver, there is a function,
> > > > > > > intel_guc_init_params(),
> > > > > > > which initializes the GuC parameter block which is passed
> > > > > > > into
> > > > > > > the GuC. There is parameter GUC_CTL_DEVICE_INFO with
> > > > > > > values
> > > > > > > GfxGtType and GfxCoreFamily unused by GuC.
> > > > > > > 
> > > > > > > This patch remove GUC_CTL_DEVICE_INFO with GfxGtType and
> > > > > > > GfxCoreFamily parameters and also unnecessary functions
> > > > > > > get_gt_type() and get_core_family().
> > > > > > > 
> > > > > > 
> > > > > > Hi,
> > > > > > 
> > > > > > Looking at the fw code, you're partially right, GfxGtType
> > > > > > is
> > > > > > ignored...
> > > > > > but GfxCoreFamily isn't.
> > > > > > 
> > > > > 
> > > > > Unless whoever wrote the fw was smart enough to forget to
> > > > > call
> > > > > the
> > > > > function that is reading GfxCoreFamily... I didn't count on
> > > > > that.
> > > > 
> > > > Is the intention to use GfxCoreFamily documented, i.e. are they
> > > > expecting it part of the interface and may re-instantiate the
> > > > check
> > > > "because it was always supposed to exist" in some future
> > > > version?
> > > 
> > > Usage of GfxCoreFamily is only in SLPC and for platform specific
> > > initialization and might be removed in future interfaces.
> > > If needed, we can add as part of SLPC patches.
> > 
> > Michel and I have traced through the FW code, and both parameters
> > are
> > unused.  GfxCoreFamily does appear to be set in the FW, and it gets
> > passed into SLPC, but then it never gets used.
> 
> Hi John,
> 
> It is needed for SLPC initialization. Verified on v9 GuC firmware
> that 
> SLPC GTPERF gets disabled if i915 does not send this param.
> We can add this param as part of SLPC patches for GuC versions which 
> need them.

Ok, so I think that we should remove this param from i915, and than if 
it is needed, we can add this param as part of SLPC patches, as Sagar
said.

-Piotr 
> 
> Thanks
> Sagar
> >    I have confirmed with
> > FW developers that these parameters have been removed for future
> > gens.
> > > > -Chris
> > > > _______________________________________________
> > > > Intel-gfx mailing list
> > > > Intel-gfx@lists.freedesktop.org
> > > > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> 

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Re: [PATCH] drm/i915/guc: Removed unused GuC parameters.

[John Spotswood]

On Mon, 2018-03-05 at 03:12 -0800, Piorkowski, Piotr wrote:
> On Fri, 2018-03-02 at 12:53 +0530, Sagar Arun Kamble wrote:
> > 
> > 
> > On 3/2/2018 12:44 AM, John Spotswood wrote:
> > > 
> > > On Thu, 2018-03-01 at 17:35 +0530, Sagar Arun Kamble wrote:
> > > > 
> > > > On 3/1/2018 1:32 PM, Chris Wilson wrote:
> > > > > 
> > > > > Quoting Michel Thierry (2018-02-28 22:07:51)
> > > > > > 
> > > > > > On 28/02/18 12:26, Michel Thierry wrote:
> > > > > > > 
> > > > > > > On 28/02/18 10:42, Piotr Piórkowski wrote:
> > > > > > > > 
> > > > > > > > In the i915 driver, there is a function,
> > > > > > > > intel_guc_init_params(),
> > > > > > > > which initializes the GuC parameter block which is
> > > > > > > > passed
> > > > > > > > into
> > > > > > > > the GuC. There is parameter GUC_CTL_DEVICE_INFO with
> > > > > > > > values
> > > > > > > > GfxGtType and GfxCoreFamily unused by GuC.
> > > > > > > > 
> > > > > > > > This patch remove GUC_CTL_DEVICE_INFO with GfxGtType
> > > > > > > > and
> > > > > > > > GfxCoreFamily parameters and also unnecessary functions
> > > > > > > > get_gt_type() and get_core_family().
> > > > > > > > 
> > > > > > > Hi,
> > > > > > > 
> > > > > > > Looking at the fw code, you're partially right, GfxGtType
> > > > > > > is
> > > > > > > ignored...
> > > > > > > but GfxCoreFamily isn't.
> > > > > > > 
> > > > > > Unless whoever wrote the fw was smart enough to forget to
> > > > > > call
> > > > > > the
> > > > > > function that is reading GfxCoreFamily... I didn't count on
> > > > > > that.
> > > > > Is the intention to use GfxCoreFamily documented, i.e. are
> > > > > they
> > > > > expecting it part of the interface and may re-instantiate the
> > > > > check
> > > > > "because it was always supposed to exist" in some future
> > > > > version?
> > > > Usage of GfxCoreFamily is only in SLPC and for platform
> > > > specific
> > > > initialization and might be removed in future interfaces.
> > > > If needed, we can add as part of SLPC patches.
> > > Michel and I have traced through the FW code, and both parameters
> > > are
> > > unused.  GfxCoreFamily does appear to be set in the FW, and it
> > > gets
> > > passed into SLPC, but then it never gets used.
> > Hi John,
> > 
> > It is needed for SLPC initialization. Verified on v9 GuC firmware
> > that 
> > SLPC GTPERF gets disabled if i915 does not send this param.
> > We can add this param as part of SLPC patches for GuC versions
> > which 
> > need them.
> Ok, so I think that we should remove this param from i915, and than
> if 
> it is needed, we can add this param as part of SLPC patches, as Sagar
> said.
I have gone back and taken another look at the FW code, and Sagar is
correct. There is a link there.  Apologies for the mistake.  With that
in mind, I'm not clear why we would remove the parameter only to add it
back with the SLPC patches.
> 
> -Piotr 
> > 
> > 
> > Thanks
> > Sagar
> > > 
> > >    I have confirmed with
> > > FW developers that these parameters have been removed for future
> > > gens.
> > > > 
> > > > > 
> > > > > -Chris
> > > > > _______________________________________________
> > > > > Intel-gfx mailing list
> > > > > Intel-gfx@lists.freedesktop.org
> > > > > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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✗ Fi.CI.IGT: failure for drm/i915/guc: Removed unused GuC parameters.

[Patchwork]

== Series Details ==

Series: drm/i915/guc: Removed unused GuC parameters.
URL   : https://patchwork.freedesktop.org/series/39154/
State : failure

== Summary ==

---- Possible new issues:

Test drv_missed_irq:
                pass       -> SKIP       (shard-apl)
Test drv_selftest:
        Subgroup live_guc:
                pass       -> DMESG-WARN (shard-apl)
Test kms_chv_cursor_fail:
        Subgroup pipe-b-64x64-right-edge:
                pass       -> DMESG-WARN (shard-snb)
Test kms_draw_crc:
        Subgroup draw-method-xrgb8888-mmap-cpu-xtiled:
                skip       -> PASS       (shard-snb)
Test perf:
        Subgroup gen8-unprivileged-single-ctx-counters:
                pass       -> FAIL       (shard-apl)

---- Known issues:

Test gem_eio:
        Subgroup in-flight:
                pass       -> INCOMPLETE (shard-apl) fdo#104945
Test kms_flip:
        Subgroup dpms-vs-vblank-race-interruptible:
                fail       -> PASS       (shard-hsw) fdo#103060
        Subgroup plain-flip-ts-check:
                fail       -> PASS       (shard-hsw) fdo#100368 +1
Test kms_frontbuffer_tracking:
        Subgroup fbc-badstride:
                pass       -> FAIL       (shard-apl) fdo#101623

fdo#104945 https://bugs.freedesktop.org/show_bug.cgi?id=104945
fdo#103060 https://bugs.freedesktop.org/show_bug.cgi?id=103060
fdo#100368 https://bugs.freedesktop.org/show_bug.cgi?id=100368
fdo#101623 https://bugs.freedesktop.org/show_bug.cgi?id=101623

shard-apl        total:3434 pass:1794 dwarn:2   dfail:0   fail:14  skip:1622 time:11971s
shard-hsw        total:3460 pass:1767 dwarn:1   dfail:0   fail:1   skip:1690 time:11804s
shard-snb        total:3460 pass:1358 dwarn:2   dfail:0   fail:1   skip:2099 time:6621s
Blacklisted hosts:
shard-kbl        total:3265 pass:1744 dwarn:29  dfail:1   fail:14  skip:1474 time:8753s

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_8189/shards.html
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[PATCH v2] drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

[Piotr Piórkowski]

It looks that GuC does not actively use GUC_CTL_DEVICE_INFO parameter
where we are passing GT type and Core family values.
Lets stop setup this parameter and remove related definitions.

v2: (this time without squashed HAX)
  - New title and description
  - Remove also GUC_CORE_FAMILY_* definitions (Michel)

Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: John A Spotswood <john.a.spotswood@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel Thierry <michel.thierry@intel.com>
---
 drivers/gpu/drm/i915/intel_guc.c      | 24 ------------------------
 drivers/gpu/drm/i915/intel_guc_fwif.h |  7 -------
 2 files changed, 31 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
index ff08ea0ebf49..efc413137a89 100644
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -200,26 +200,6 @@ void intel_guc_fini(struct intel_guc *guc)
 	guc_shared_data_destroy(guc);
 }
 
-static u32 get_gt_type(struct drm_i915_private *dev_priv)
-{
-	/* XXX: GT type based on PCI device ID? field seems unused by fw */
-	return 0;
-}
-
-static u32 get_core_family(struct drm_i915_private *dev_priv)
-{
-	u32 gen = INTEL_GEN(dev_priv);
-
-	switch (gen) {
-	case 9:
-		return GUC_CORE_FAMILY_GEN9;
-
-	default:
-		MISSING_CASE(gen);
-		return GUC_CORE_FAMILY_UNKNOWN;
-	}
-}
-
 static u32 get_log_verbosity_flags(void)
 {
 	if (i915_modparams.guc_log_level > 0) {
@@ -246,10 +226,6 @@ void intel_guc_init_params(struct intel_guc *guc)
 
 	memset(params, 0, sizeof(params));
 
-	params[GUC_CTL_DEVICE_INFO] |=
-		(get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) |
-		(get_core_family(dev_priv) << GUC_CTL_CORE_FAMILY_SHIFT);
-
 	/*
 	 * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one
 	 * second. This ARAR is calculated by:
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h
index 6a10aa6f04d3..5131e67e663f 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
@@ -23,9 +23,6 @@
 #ifndef _INTEL_GUC_FWIF_H
 #define _INTEL_GUC_FWIF_H
 
-#define GUC_CORE_FAMILY_GEN9		12
-#define GUC_CORE_FAMILY_UNKNOWN		0x7fffffff
-
 #define GUC_CLIENT_PRIORITY_KMD_HIGH	0
 #define GUC_CLIENT_PRIORITY_HIGH	1
 #define GUC_CLIENT_PRIORITY_KMD_NORMAL	2
@@ -81,10 +78,6 @@
 #define GUC_CTL_ARAT_HIGH		1
 #define GUC_CTL_ARAT_LOW		2
 
-#define GUC_CTL_DEVICE_INFO		3
-#define   GUC_CTL_GT_TYPE_SHIFT		0
-#define   GUC_CTL_CORE_FAMILY_SHIFT	7
-
 #define GUC_CTL_LOG_PARAMS		4
 #define   GUC_LOG_VALID			(1 << 0)
 #define   GUC_LOG_NOTIFY_ON_HALF_FULL	(1 << 1)
-- 
2.14.3

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Re: [PATCH v2] drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

[Michel Thierry]

On 3/5/2018 5:13 AM, Piotr Piórkowski wrote:
> It looks that GuC does not actively use GUC_CTL_DEVICE_INFO parameter
> where we are passing GT type and Core family values.
> Lets stop setup this parameter and remove related definitions.
> 
> v2: (this time without squashed HAX)
>    - New title and description
>    - Remove also GUC_CORE_FAMILY_* definitions (Michel)
> 
> Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
> Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
> Cc: Michał Winiarski <michal.winiarski@intel.com>
> Cc: John A Spotswood <john.a.spotswood@intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Michel Thierry <michel.thierry@intel.com>
> ---
>   drivers/gpu/drm/i915/intel_guc.c      | 24 ------------------------
>   drivers/gpu/drm/i915/intel_guc_fwif.h |  7 -------
>   2 files changed, 31 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
> index ff08ea0ebf49..efc413137a89 100644
> --- a/drivers/gpu/drm/i915/intel_guc.c
> +++ b/drivers/gpu/drm/i915/intel_guc.c
> @@ -200,26 +200,6 @@ void intel_guc_fini(struct intel_guc *guc)
>   	guc_shared_data_destroy(guc);
>   }
>   
> -static u32 get_gt_type(struct drm_i915_private *dev_priv)
> -{
> -	/* XXX: GT type based on PCI device ID? field seems unused by fw */
> -	return 0;
> -}
> -
> -static u32 get_core_family(struct drm_i915_private *dev_priv)
> -{
> -	u32 gen = INTEL_GEN(dev_priv);
> -
> -	switch (gen) {
> -	case 9:
> -		return GUC_CORE_FAMILY_GEN9;
> -
> -	default:
> -		MISSING_CASE(gen);
> -		return GUC_CORE_FAMILY_UNKNOWN;
> -	}
> -}
> -
>   static u32 get_log_verbosity_flags(void)
>   {
>   	if (i915_modparams.guc_log_level > 0) {
> @@ -246,10 +226,6 @@ void intel_guc_init_params(struct intel_guc *guc)
>   
>   	memset(params, 0, sizeof(params));
>   
> -	params[GUC_CTL_DEVICE_INFO] |=
> -		(get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) |
> -		(get_core_family(dev_priv) << GUC_CTL_CORE_FAMILY_SHIFT);
> -
>   	/*
>   	 * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one
>   	 * second. This ARAR is calculated by:
> diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h
> index 6a10aa6f04d3..5131e67e663f 100644
> --- a/drivers/gpu/drm/i915/intel_guc_fwif.h
> +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
> @@ -23,9 +23,6 @@
>   #ifndef _INTEL_GUC_FWIF_H
>   #define _INTEL_GUC_FWIF_H
>   
> -#define GUC_CORE_FAMILY_GEN9		12
> -#define GUC_CORE_FAMILY_UNKNOWN		0x7fffffff
> -
>   #define GUC_CLIENT_PRIORITY_KMD_HIGH	0
>   #define GUC_CLIENT_PRIORITY_HIGH	1
>   #define GUC_CLIENT_PRIORITY_KMD_NORMAL	2
> @@ -81,10 +78,6 @@
>   #define GUC_CTL_ARAT_HIGH		1
>   #define GUC_CTL_ARAT_LOW		2
>   
> -#define GUC_CTL_DEVICE_INFO		3

I would keep GUC_CTL_DEVICE_INFO (still removing _GT_TYPE_SHIFT and 
_CORE_FAMILY_SHIFT). The reason is that these constants kindof also 
document what the guc_control is. Other people may even suggest to 
rename it GUC_CTL_RSRVD0.

That's why we have GUC_CTL_PAGE_FAULT_CONTROL and GUC_CTL_RSRVD defined 
but not used.

> -#define   GUC_CTL_GT_TYPE_SHIFT		0
> -#define   GUC_CTL_CORE_FAMILY_SHIFT	7
> -
>   #define GUC_CTL_LOG_PARAMS		4
>   #define   GUC_LOG_VALID			(1 << 0)
>   #define   GUC_LOG_NOTIFY_ON_HALF_FULL	(1 << 1)
> 

I think the consensus was that gt_type and core_family are not needed 
now, and if someone needs them at some point in the very very distant 
future, then the same person can re-add them, so

Acked-by: Michel Thierry <michel.thierry@intel.com>
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Re: [PATCH v2] drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

[Sagar Arun Kamble]

On 3/5/2018 6:43 PM, Piotr Piórkowski wrote:
> It looks that GuC does not actively use GUC_CTL_DEVICE_INFO parameter
> where we are passing GT type and Core family values.
> Lets stop setup this parameter and remove related definitions.
Minor change to sentence above: Let's stop/remove setup of this 
parameter ...
>
> v2: (this time without squashed HAX)
>    - New title and description
>    - Remove also GUC_CORE_FAMILY_* definitions (Michel)
>
> Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
> Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
> Cc: Michał Winiarski <michal.winiarski@intel.com>
> Cc: John A Spotswood <john.a.spotswood@intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Michel Thierry <michel.thierry@intel.com>
With Michel's suggestion and then corresponding subject update patch 
looks good to me.
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
> ---
>   drivers/gpu/drm/i915/intel_guc.c      | 24 ------------------------
>   drivers/gpu/drm/i915/intel_guc_fwif.h |  7 -------
>   2 files changed, 31 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
> index ff08ea0ebf49..efc413137a89 100644
> --- a/drivers/gpu/drm/i915/intel_guc.c
> +++ b/drivers/gpu/drm/i915/intel_guc.c
> @@ -200,26 +200,6 @@ void intel_guc_fini(struct intel_guc *guc)
>   	guc_shared_data_destroy(guc);
>   }
>   
> -static u32 get_gt_type(struct drm_i915_private *dev_priv)
> -{
> -	/* XXX: GT type based on PCI device ID? field seems unused by fw */
> -	return 0;
> -}
> -
> -static u32 get_core_family(struct drm_i915_private *dev_priv)
> -{
> -	u32 gen = INTEL_GEN(dev_priv);
> -
> -	switch (gen) {
> -	case 9:
> -		return GUC_CORE_FAMILY_GEN9;
> -
> -	default:
> -		MISSING_CASE(gen);
> -		return GUC_CORE_FAMILY_UNKNOWN;
> -	}
> -}
> -
>   static u32 get_log_verbosity_flags(void)
>   {
>   	if (i915_modparams.guc_log_level > 0) {
> @@ -246,10 +226,6 @@ void intel_guc_init_params(struct intel_guc *guc)
>   
>   	memset(params, 0, sizeof(params));
>   
> -	params[GUC_CTL_DEVICE_INFO] |=
> -		(get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) |
> -		(get_core_family(dev_priv) << GUC_CTL_CORE_FAMILY_SHIFT);
> -
>   	/*
>   	 * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one
>   	 * second. This ARAR is calculated by:
> diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h
> index 6a10aa6f04d3..5131e67e663f 100644
> --- a/drivers/gpu/drm/i915/intel_guc_fwif.h
> +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
> @@ -23,9 +23,6 @@
>   #ifndef _INTEL_GUC_FWIF_H
>   #define _INTEL_GUC_FWIF_H
>   
> -#define GUC_CORE_FAMILY_GEN9		12
> -#define GUC_CORE_FAMILY_UNKNOWN		0x7fffffff
> -
>   #define GUC_CLIENT_PRIORITY_KMD_HIGH	0
>   #define GUC_CLIENT_PRIORITY_HIGH	1
>   #define GUC_CLIENT_PRIORITY_KMD_NORMAL	2
> @@ -81,10 +78,6 @@
>   #define GUC_CTL_ARAT_HIGH		1
>   #define GUC_CTL_ARAT_LOW		2
>   
> -#define GUC_CTL_DEVICE_INFO		3
> -#define   GUC_CTL_GT_TYPE_SHIFT		0
> -#define   GUC_CTL_CORE_FAMILY_SHIFT	7
> -
>   #define GUC_CTL_LOG_PARAMS		4
>   #define   GUC_LOG_VALID			(1 << 0)
>   #define   GUC_LOG_NOTIFY_ON_HALF_FULL	(1 << 1)

-- 
Thanks,
Sagar

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Re: [PATCH v2] drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

[Piorkowski, Piotr]

[-- Attachment #1.1: Type: text/plain, Size: 3693 bytes --]

On Tue, 2018-03-06 at 10:07 +0530, Sagar Arun Kamble wrote:
> 
> On 3/5/2018 6:43 PM, Piotr Piórkowski wrote:
> > It looks that GuC does not actively use GUC_CTL_DEVICE_INFO
> > parameter
> > where we are passing GT type and Core family values.
> > Lets stop setup this parameter and remove related definitions.
> 
> Minor change to sentence above: Let's stop/remove setup of this 
> parameter ...
> > 
> > v2: (this time without squashed HAX)
> >    - New title and description
> >    - Remove also GUC_CORE_FAMILY_* definitions (Michel)
> > 
> > Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
> > Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
> > Cc: Michał Winiarski <michal.winiarski@intel.com>
> > Cc: John A Spotswood <john.a.spotswood@intel.com>
> > Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> > Cc: Chris Wilson <chris@chris-wilson.co.uk>
> > Cc: Michel Thierry <michel.thierry@intel.com>
> 
> With Michel's suggestion and then corresponding subject update patch 
> looks good to me.
> Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
> > ---
> >   drivers/gpu/drm/i915/intel_guc.c      | 24 ----------------------
> > --
> >   drivers/gpu/drm/i915/intel_guc_fwif.h |  7 -------
> >   2 files changed, 31 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_guc.c
> > b/drivers/gpu/drm/i915/intel_guc.c
> > index ff08ea0ebf49..efc413137a89 100644
> > --- a/drivers/gpu/drm/i915/intel_guc.c
> > +++ b/drivers/gpu/drm/i915/intel_guc.c
> > @@ -200,26 +200,6 @@ void intel_guc_fini(struct intel_guc *guc)
> >   	guc_shared_data_destroy(guc);
> >   }
> >   
> > -static u32 get_gt_type(struct drm_i915_private *dev_priv)
> > -{
> > -	/* XXX: GT type based on PCI device ID? field seems unused
> > by fw */
> > -	return 0;
> > -}
> > -
> > -static u32 get_core_family(struct drm_i915_private *dev_priv)
> > -{
> > -	u32 gen = INTEL_GEN(dev_priv);
> > -
> > -	switch (gen) {
> > -	case 9:
> > -		return GUC_CORE_FAMILY_GEN9;
> > -
> > -	default:
> > -		MISSING_CASE(gen);
> > -		return GUC_CORE_FAMILY_UNKNOWN;
> > -	}
> > -}
> > -
> >   static u32 get_log_verbosity_flags(void)
> >   {
> >   	if (i915_modparams.guc_log_level > 0) {
> > @@ -246,10 +226,6 @@ void intel_guc_init_params(struct intel_guc
> > *guc)
> >   
> >   	memset(params, 0, sizeof(params));
> >   
> > -	params[GUC_CTL_DEVICE_INFO] |=
> > -		(get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) |
> > -		(get_core_family(dev_priv) <<
> > GUC_CTL_CORE_FAMILY_SHIFT);
> > -
> >   	/*
> >   	 * GuC ARAT increment is 10 ns. GuC default scheduler
> > quantum is one
> >   	 * second. This ARAR is calculated by:
> > diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h
> > b/drivers/gpu/drm/i915/intel_guc_fwif.h
> > index 6a10aa6f04d3..5131e67e663f 100644
> > --- a/drivers/gpu/drm/i915/intel_guc_fwif.h
> > +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
> > @@ -23,9 +23,6 @@
> >   #ifndef _INTEL_GUC_FWIF_H
> >   #define _INTEL_GUC_FWIF_H
> >   
> > -#define GUC_CORE_FAMILY_GEN9		12
> > -#define GUC_CORE_FAMILY_UNKNOWN		0x7fffffff
> > -
> >   #define GUC_CLIENT_PRIORITY_KMD_HIGH	0
> >   #define GUC_CLIENT_PRIORITY_HIGH	1
> >   #define GUC_CLIENT_PRIORITY_KMD_NORMAL	2
> > @@ -81,10 +78,6 @@
> >   #define GUC_CTL_ARAT_HIGH		1
> >   #define GUC_CTL_ARAT_LOW		2
> >   
> > -#define GUC_CTL_DEVICE_INFO		3
> > -#define   GUC_CTL_GT_TYPE_SHIFT		0
> > -#define   GUC_CTL_CORE_FAMILY_SHIFT	7
> > -
> >   #define GUC_CTL_LOG_PARAMS		4
> >   #define   GUC_LOG_VALID			(1 << 0)
> >   #define   GUC_LOG_NOTIFY_ON_HALF_FULL	(1 << 1)
> 
> 
What's next with this patch? Can we merge it ?

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[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

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[PATCH v3] drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

[Piotr Piórkowski]

It looks that GuC does not actively use GUC_CTL_DEVICE_INFO parameter
where we are passing GT type and Core family values.
Let's stop/remove setup of this parameter and remove related definitions.

v2: (this time without squashed HAX)
  - New title and description
  - Remove also GUC_CORE_FAMILY_* definitions (Michel)
v3:
  - The removed define GUC_CTL_DEVICE_INFO has been restored (Michel)
  - Updated description (Sagar)

Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: John A Spotswood <john.a.spotswood@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel Thierry <michel.thierry@intel.com>
Acked-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
---
 drivers/gpu/drm/i915/intel_guc.c      | 24 ------------------------
 drivers/gpu/drm/i915/intel_guc_fwif.h |  5 -----
 2 files changed, 29 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
index ff08ea0ebf49..efc413137a89 100644
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -200,26 +200,6 @@ void intel_guc_fini(struct intel_guc *guc)
 	guc_shared_data_destroy(guc);
 }
 
-static u32 get_gt_type(struct drm_i915_private *dev_priv)
-{
-	/* XXX: GT type based on PCI device ID? field seems unused by fw */
-	return 0;
-}
-
-static u32 get_core_family(struct drm_i915_private *dev_priv)
-{
-	u32 gen = INTEL_GEN(dev_priv);
-
-	switch (gen) {
-	case 9:
-		return GUC_CORE_FAMILY_GEN9;
-
-	default:
-		MISSING_CASE(gen);
-		return GUC_CORE_FAMILY_UNKNOWN;
-	}
-}
-
 static u32 get_log_verbosity_flags(void)
 {
 	if (i915_modparams.guc_log_level > 0) {
@@ -246,10 +226,6 @@ void intel_guc_init_params(struct intel_guc *guc)
 
 	memset(params, 0, sizeof(params));
 
-	params[GUC_CTL_DEVICE_INFO] |=
-		(get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) |
-		(get_core_family(dev_priv) << GUC_CTL_CORE_FAMILY_SHIFT);
-
 	/*
 	 * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one
 	 * second. This ARAR is calculated by:
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h
index 6a10aa6f04d3..0af0867a030e 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
@@ -23,9 +23,6 @@
 #ifndef _INTEL_GUC_FWIF_H
 #define _INTEL_GUC_FWIF_H
 
-#define GUC_CORE_FAMILY_GEN9		12
-#define GUC_CORE_FAMILY_UNKNOWN		0x7fffffff
-
 #define GUC_CLIENT_PRIORITY_KMD_HIGH	0
 #define GUC_CLIENT_PRIORITY_HIGH	1
 #define GUC_CLIENT_PRIORITY_KMD_NORMAL	2
@@ -82,8 +79,6 @@
 #define GUC_CTL_ARAT_LOW		2
 
 #define GUC_CTL_DEVICE_INFO		3
-#define   GUC_CTL_GT_TYPE_SHIFT		0
-#define   GUC_CTL_CORE_FAMILY_SHIFT	7
 
 #define GUC_CTL_LOG_PARAMS		4
 #define   GUC_LOG_VALID			(1 << 0)
-- 
2.14.3

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[PATCH v4] drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

[Piotr Piórkowski]

It looks that GuC does not actively use GUC_CTL_DEVICE_INFO parameter
where we are passing GT type and Core family values.
Let's stop/remove setup of this parameter and remove related
definitions.

v2: (this time without squashed HAX)
  - New title and description
  - Remove also GUC_CORE_FAMILY_* definitions (Michel)
v3:
  - The removed define GUC_CTL_DEVICE_INFO has been restored (Michel)
  - Updated description (Sagar)
v4: rebase

Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: John A Spotswood <john.a.spotswood@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel Thierry <michel.thierry@intel.com>
Acked-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
---
 drivers/gpu/drm/i915/intel_guc.c      | 24 ------------------------
 drivers/gpu/drm/i915/intel_guc_fwif.h |  5 -----
 2 files changed, 29 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c
index a00a59a7d9ec..116f4ccf1bbd 100644
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -203,26 +203,6 @@ void intel_guc_fini(struct intel_guc *guc)
 	guc_shared_data_destroy(guc);
 }
 
-static u32 get_gt_type(struct drm_i915_private *dev_priv)
-{
-	/* XXX: GT type based on PCI device ID? field seems unused by fw */
-	return 0;
-}
-
-static u32 get_core_family(struct drm_i915_private *dev_priv)
-{
-	u32 gen = INTEL_GEN(dev_priv);
-
-	switch (gen) {
-	case 9:
-		return GUC_CORE_FAMILY_GEN9;
-
-	default:
-		MISSING_CASE(gen);
-		return GUC_CORE_FAMILY_UNKNOWN;
-	}
-}
-
 static u32 get_log_control_flags(void)
 {
 	u32 level = i915_modparams.guc_log_level;
@@ -255,10 +235,6 @@ void intel_guc_init_params(struct intel_guc *guc)
 
 	memset(params, 0, sizeof(params));
 
-	params[GUC_CTL_DEVICE_INFO] |=
-		(get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) |
-		(get_core_family(dev_priv) << GUC_CTL_CORE_FAMILY_SHIFT);
-
 	/*
 	 * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one
 	 * second. This ARAR is calculated by:
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h
index d73673f5d30c..0867ba76d445 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
@@ -23,9 +23,6 @@
 #ifndef _INTEL_GUC_FWIF_H
 #define _INTEL_GUC_FWIF_H
 
-#define GUC_CORE_FAMILY_GEN9		12
-#define GUC_CORE_FAMILY_UNKNOWN		0x7fffffff
-
 #define GUC_CLIENT_PRIORITY_KMD_HIGH	0
 #define GUC_CLIENT_PRIORITY_HIGH	1
 #define GUC_CLIENT_PRIORITY_KMD_NORMAL	2
@@ -82,8 +79,6 @@
 #define GUC_CTL_ARAT_LOW		2
 
 #define GUC_CTL_DEVICE_INFO		3
-#define   GUC_CTL_GT_TYPE_SHIFT		0
-#define   GUC_CTL_CORE_FAMILY_SHIFT	7
 
 #define GUC_CTL_LOG_PARAMS		4
 #define   GUC_LOG_VALID			(1 << 0)
-- 
2.14.3

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Re: [PATCH v4] drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

[Chris Wilson]

Quoting Piotr Piórkowski (2018-04-13 09:52:45)
> It looks that GuC does not actively use GUC_CTL_DEVICE_INFO parameter
> where we are passing GT type and Core family values.
> Let's stop/remove setup of this parameter and remove related
> definitions.
> 
> v2: (this time without squashed HAX)
>   - New title and description
>   - Remove also GUC_CORE_FAMILY_* definitions (Michel)
> v3:
>   - The removed define GUC_CTL_DEVICE_INFO has been restored (Michel)
>   - Updated description (Sagar)
> v4: rebase
> 
> Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
> Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
> Cc: Michał Winiarski <michal.winiarski@intel.com>
> Cc: John A Spotswood <john.a.spotswood@intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Michel Thierry <michel.thierry@intel.com>
> Acked-by: Michel Thierry <michel.thierry@intel.com>
> Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>

And pushed, thanks for the patch and review.
-Chris
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✗ Fi.CI.BAT: failure for drm/i915/guc: Removed unused GuC parameters. (rev2)

[Patchwork]

== Series Details ==

Series: drm/i915/guc: Removed unused GuC parameters. (rev2)
URL   : https://patchwork.freedesktop.org/series/39154/
State : failure

== Summary ==

Series 39154v2 drm/i915/guc: Removed unused GuC parameters.
https://patchwork.freedesktop.org/api/1.0/series/39154/revisions/2/mbox/

---- Possible new issues:

Test drv_module_reload:
        Subgroup basic-reload:
                pass       -> INCOMPLETE (fi-cfl-s2)
Test pm_rpm:
        Subgroup basic-pci-d3-state:
                pass       -> DMESG-WARN (fi-cfl-s2)
        Subgroup basic-rte:
                pass       -> DMESG-WARN (fi-cfl-s2)
Test prime_vgem:
        Subgroup basic-fence-flip:
                pass       -> DMESG-WARN (fi-cfl-s2)

---- Known issues:

Test kms_pipe_crc_basic:
        Subgroup suspend-read-crc-pipe-b:
                dmesg-warn -> PASS       (fi-cnl-y3) fdo#104951
                incomplete -> PASS       (fi-snb-2520m) fdo#103713

fdo#104951 https://bugs.freedesktop.org/show_bug.cgi?id=104951
fdo#103713 https://bugs.freedesktop.org/show_bug.cgi?id=103713

fi-bdw-5557u     total:288  pass:267  dwarn:0   dfail:0   fail:0   skip:21  time:418s
fi-bdw-gvtdvm    total:288  pass:264  dwarn:0   dfail:0   fail:0   skip:24  time:421s
fi-blb-e6850     total:288  pass:223  dwarn:1   dfail:0   fail:0   skip:64  time:371s
fi-bsw-n3050     total:288  pass:242  dwarn:0   dfail:0   fail:0   skip:46  time:486s
fi-bwr-2160      total:288  pass:183  dwarn:0   dfail:0   fail:0   skip:105 time:280s
fi-bxt-dsi       total:288  pass:258  dwarn:0   dfail:0   fail:0   skip:30  time:478s
fi-bxt-j4205     total:288  pass:259  dwarn:0   dfail:0   fail:0   skip:29  time:480s
fi-byt-j1900     total:288  pass:253  dwarn:0   dfail:0   fail:0   skip:35  time:465s
fi-byt-n2820     total:288  pass:249  dwarn:0   dfail:0   fail:0   skip:39  time:453s
fi-cfl-8700k     total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:394s
fi-cfl-s2        total:285  pass:256  dwarn:3   dfail:0   fail:0   skip:25 
fi-cnl-y3        total:288  pass:262  dwarn:0   dfail:0   fail:0   skip:26  time:570s
fi-elk-e7500     total:288  pass:229  dwarn:0   dfail:0   fail:0   skip:59  time:408s
fi-gdg-551       total:288  pass:179  dwarn:0   dfail:0   fail:1   skip:108 time:287s
fi-glk-1         total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:506s
fi-hsw-4770      total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:384s
fi-ilk-650       total:288  pass:228  dwarn:0   dfail:0   fail:0   skip:60  time:412s
fi-ivb-3520m     total:288  pass:259  dwarn:0   dfail:0   fail:0   skip:29  time:453s
fi-ivb-3770      total:288  pass:255  dwarn:0   dfail:0   fail:0   skip:33  time:410s
fi-kbl-7500u     total:288  pass:263  dwarn:1   dfail:0   fail:0   skip:24  time:450s
fi-kbl-7560u     total:288  pass:269  dwarn:0   dfail:0   fail:0   skip:19  time:492s
fi-kbl-7567u     total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:452s
fi-kbl-r         total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:491s
fi-pnv-d510      total:288  pass:222  dwarn:1   dfail:0   fail:0   skip:65  time:581s
fi-skl-6260u     total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:428s
fi-skl-6600u     total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:500s
fi-skl-6700hq    total:288  pass:262  dwarn:0   dfail:0   fail:0   skip:26  time:517s
fi-skl-6700k2    total:288  pass:264  dwarn:0   dfail:0   fail:0   skip:24  time:489s
fi-skl-6770hq    total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:479s
fi-skl-guc       total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:405s
fi-skl-gvtdvm    total:288  pass:265  dwarn:0   dfail:0   fail:0   skip:23  time:432s
fi-snb-2520m     total:288  pass:248  dwarn:0   dfail:0   fail:0   skip:40  time:523s
fi-snb-2600      total:288  pass:248  dwarn:0   dfail:0   fail:0   skip:40  time:390s

276a88800a08604e3f617f084f59aeef75d5a01a drm-tip: 2018y-03m-05d-12h-15m-50s UTC integration manifest
341888d6349a drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_8230/issues.html
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✓ Fi.CI.BAT: success for drm/i915/guc: Removed unused GuC parameters. (rev3)

[Patchwork]

== Series Details ==

Series: drm/i915/guc: Removed unused GuC parameters. (rev3)
URL   : https://patchwork.freedesktop.org/series/39154/
State : success

== Summary ==

Series 39154v3 drm/i915/guc: Removed unused GuC parameters.
https://patchwork.freedesktop.org/api/1.0/series/39154/revisions/3/mbox/

---- Known issues:

Test kms_pipe_crc_basic:
        Subgroup suspend-read-crc-pipe-b:
                pass       -> INCOMPLETE (fi-snb-2520m) fdo#103713

fdo#103713 https://bugs.freedesktop.org/show_bug.cgi?id=103713

fi-bdw-5557u     total:288  pass:267  dwarn:0   dfail:0   fail:0   skip:21  time:425s
fi-bdw-gvtdvm    total:288  pass:264  dwarn:0   dfail:0   fail:0   skip:24  time:420s
fi-blb-e6850     total:288  pass:223  dwarn:1   dfail:0   fail:0   skip:64  time:374s
fi-bsw-n3050     total:288  pass:242  dwarn:0   dfail:0   fail:0   skip:46  time:503s
fi-bwr-2160      total:288  pass:183  dwarn:0   dfail:0   fail:0   skip:105 time:278s
fi-bxt-dsi       total:288  pass:258  dwarn:0   dfail:0   fail:0   skip:30  time:486s
fi-bxt-j4205     total:288  pass:259  dwarn:0   dfail:0   fail:0   skip:29  time:493s
fi-byt-j1900     total:288  pass:253  dwarn:0   dfail:0   fail:0   skip:35  time:477s
fi-byt-n2820     total:288  pass:249  dwarn:0   dfail:0   fail:0   skip:39  time:467s
fi-cfl-8700k     total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:405s
fi-cfl-s2        total:288  pass:262  dwarn:0   dfail:0   fail:0   skip:26  time:565s
fi-cnl-y3        total:288  pass:262  dwarn:0   dfail:0   fail:0   skip:26  time:594s
fi-elk-e7500     total:288  pass:229  dwarn:0   dfail:0   fail:0   skip:59  time:416s
fi-gdg-551       total:288  pass:179  dwarn:0   dfail:0   fail:1   skip:108 time:286s
fi-glk-1         total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:519s
fi-hsw-4770      total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:400s
fi-ilk-650       total:288  pass:228  dwarn:0   dfail:0   fail:0   skip:60  time:412s
fi-ivb-3520m     total:288  pass:259  dwarn:0   dfail:0   fail:0   skip:29  time:478s
fi-ivb-3770      total:288  pass:255  dwarn:0   dfail:0   fail:0   skip:33  time:418s
fi-kbl-7500u     total:288  pass:263  dwarn:1   dfail:0   fail:0   skip:24  time:470s
fi-kbl-7560u     total:108  pass:104  dwarn:0   dfail:0   fail:0   skip:3  
fi-kbl-7567u     total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:458s
fi-kbl-r         total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:507s
fi-pnv-d510      total:288  pass:222  dwarn:1   dfail:0   fail:0   skip:65  time:588s
fi-skl-6260u     total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:434s
fi-skl-6600u     total:288  pass:261  dwarn:0   dfail:0   fail:0   skip:27  time:514s
fi-skl-6700hq    total:288  pass:262  dwarn:0   dfail:0   fail:0   skip:26  time:529s
fi-skl-6700k2    total:288  pass:264  dwarn:0   dfail:0   fail:0   skip:24  time:501s
fi-skl-6770hq    total:288  pass:268  dwarn:0   dfail:0   fail:0   skip:20  time:491s
fi-skl-guc       total:288  pass:260  dwarn:0   dfail:0   fail:0   skip:28  time:423s
fi-skl-gvtdvm    total:288  pass:265  dwarn:0   dfail:0   fail:0   skip:23  time:427s
fi-snb-2520m     total:245  pass:211  dwarn:0   dfail:0   fail:0   skip:33 
fi-snb-2600      total:288  pass:248  dwarn:0   dfail:0   fail:0   skip:40  time:390s

3d35bb0a8966cf81f0e7b13a9ba796d0b65f98c5 drm-tip: 2018y-03m-06d-12h-23m-04s UTC integration manifest
c304971be9c3 drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_8242/issues.html
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✗ Fi.CI.IGT: warning for drm/i915/guc: Removed unused GuC parameters. (rev3)

[Patchwork]

== Series Details ==

Series: drm/i915/guc: Removed unused GuC parameters. (rev3)
URL   : https://patchwork.freedesktop.org/series/39154/
State : warning

== Summary ==

---- Possible new issues:

Test kms_cursor_crc:
        Subgroup cursor-128x128-suspend:
                pass       -> DMESG-WARN (shard-snb)
Test kms_flip:
        Subgroup busy-flip:
                pass       -> DMESG-WARN (shard-hsw)

---- Known issues:

Test gem_eio:
        Subgroup in-flight:
                incomplete -> PASS       (shard-apl) fdo#105341
Test kms_chv_cursor_fail:
        Subgroup pipe-b-128x128-right-edge:
                dmesg-warn -> PASS       (shard-snb) fdo#105185 +1
Test kms_flip:
        Subgroup flip-vs-expired-vblank:
                fail       -> PASS       (shard-hsw) fdo#102887
Test kms_frontbuffer_tracking:
        Subgroup fbc-1p-primscrn-pri-shrfb-draw-mmap-gtt:
                pass       -> DMESG-WARN (shard-hsw) fdo#101623 +2
Test kms_plane:
        Subgroup plane-panning-bottom-right-suspend-pipe-b-planes:
                incomplete -> PASS       (shard-hsw) fdo#103540
Test kms_rotation_crc:
        Subgroup sprite-rotation-90-pos-100-0:
                dmesg-warn -> PASS       (shard-apl) fdo#103356

fdo#105341 https://bugs.freedesktop.org/show_bug.cgi?id=105341
fdo#105185 https://bugs.freedesktop.org/show_bug.cgi?id=105185
fdo#102887 https://bugs.freedesktop.org/show_bug.cgi?id=102887
fdo#101623 https://bugs.freedesktop.org/show_bug.cgi?id=101623
fdo#103540 https://bugs.freedesktop.org/show_bug.cgi?id=103540
fdo#103356 https://bugs.freedesktop.org/show_bug.cgi?id=103356

shard-apl        total:3381 pass:1780 dwarn:1   dfail:0   fail:7   skip:1591 time:11977s
shard-hsw        total:3467 pass:1771 dwarn:3   dfail:0   fail:1   skip:1691 time:11938s
shard-snb        total:3467 pass:1361 dwarn:3   dfail:0   fail:2   skip:2101 time:6955s
Blacklisted hosts:
shard-kbl        total:3381 pass:1899 dwarn:2   dfail:0   fail:8   skip:1471 time:9044s

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_8242/shards.html
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✓ Fi.CI.BAT: success for drm/i915/guc: Removed unused GuC parameters. (rev4)

[Patchwork]

== Series Details ==

Series: drm/i915/guc: Removed unused GuC parameters. (rev4)
URL   : https://patchwork.freedesktop.org/series/39154/
State : success

== Summary ==

= CI Bug Log - changes from CI_DRM_4052 -> Patchwork_8685 =

== Summary - SUCCESS ==

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/39154/revisions/4/mbox/


== Changes ==

  No changes found


== Participating hosts (35 -> 32) ==

  Missing    (3): fi-ctg-p8600 fi-ilk-m540 fi-skl-6700hq 


== Build changes ==

    * Linux: CI_DRM_4052 -> Patchwork_8685

  CI_DRM_4052: ff6d5cf7b19871af5657774f4e8f5f91f6285e12 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_4429: 80e4910581c7310258375a003a5de9a57ed24546 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_8685: 3084d8f9b609dc6fa9808a730db5d3d639274378 @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4429: 93b35926a150e318439d2505901288594b3548f5 @ git://anongit.freedesktop.org/piglit


== Linux commits ==

3084d8f9b609 drm/i915/guc: Remove GUC_CTL_DEVICE_INFO parameter

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_8685/issues.html
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✓ Fi.CI.IGT: success for drm/i915/guc: Removed unused GuC parameters. (rev4)

[Patchwork]

== Series Details ==

Series: drm/i915/guc: Removed unused GuC parameters. (rev4)
URL   : https://patchwork.freedesktop.org/series/39154/
State : success

== Summary ==

= CI Bug Log - changes from CI_DRM_4052_full -> Patchwork_8685_full =

== Summary - WARNING ==

  Minor unknown changes coming with Patchwork_8685_full need to be verified
  manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_8685_full, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/39154/revisions/4/mbox/

== Possible new issues ==

  Here are the unknown changes that may have been introduced in Patchwork_8685_full:

  === IGT changes ===

    ==== Warnings ====

    igt@gem_mocs_settings@mocs-rc6-render:
      shard-kbl:          SKIP -> PASS

    igt@kms_frontbuffer_tracking@fbc-1p-primscrn-pri-shrfb-draw-mmap-cpu:
      shard-snb:          SKIP -> PASS +2

    
== Known issues ==

  Here are the changes found in Patchwork_8685_full that come from known issues:

  === IGT changes ===

    ==== Issues hit ====

    igt@kms_rotation_crc@sprite-rotation-180:
      shard-hsw:          PASS -> FAIL (fdo#103925)

    
    ==== Possible fixes ====

    igt@kms_flip@2x-plain-flip-fb-recreate:
      shard-hsw:          FAIL (fdo#100368) -> PASS +1

    igt@kms_flip@flip-vs-expired-vblank-interruptible:
      shard-hsw:          FAIL (fdo#105189) -> PASS

    
  fdo#100368 https://bugs.freedesktop.org/show_bug.cgi?id=100368
  fdo#103925 https://bugs.freedesktop.org/show_bug.cgi?id=103925
  fdo#105189 https://bugs.freedesktop.org/show_bug.cgi?id=105189


== Participating hosts (6 -> 4) ==

  Missing    (2): shard-glk shard-glkb 


== Build changes ==

    * Linux: CI_DRM_4052 -> Patchwork_8685

  CI_DRM_4052: ff6d5cf7b19871af5657774f4e8f5f91f6285e12 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_4429: 80e4910581c7310258375a003a5de9a57ed24546 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_8685: 3084d8f9b609dc6fa9808a730db5d3d639274378 @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4429: 93b35926a150e318439d2505901288594b3548f5 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_8685/shards.html
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