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* [PATCH v3 2/2] drm/i915: Drop all references to DRM IRQ midlayer
       [not found] <20210630095228.6665-1-tzimmermann@suse.de>
@ 2021-06-30  9:52 ` Thomas Zimmermann
  2021-06-30 10:06   ` Greg KH
  0 siblings, 1 reply; 3+ messages in thread
From: Thomas Zimmermann @ 2021-06-30  9:52 UTC (permalink / raw)
  To: jani.nikula, joonas.lahtinen, rodrigo.vivi, airlied, daniel,
	chris, mika.kuoppala, matthew.brost, maarten.lankhorst,
	lucas.demarchi, ville.syrjala
  Cc: intel-gfx, dri-devel, Thomas Zimmermann, stable

Remove all references to DRM's IRQ midlayer. i915 uses Linux' interrupt
functions directly.

v2:
	* also remove an outdated comment
	* move IRQ fix into separate patch
	* update Fixes tag (Daniel)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: b318b82455bd ("drm/i915: Nuke drm_driver irq vfuncs")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.4+
---
 drivers/gpu/drm/i915/i915_drv.c | 1 -
 drivers/gpu/drm/i915/i915_irq.c | 5 -----
 2 files changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 850b499c71c8..73de45472f60 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -42,7 +42,6 @@
 #include <drm/drm_aperture.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_ioctl.h>
-#include <drm/drm_irq.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_probe_helper.h>
 
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2203dca19895..1d4c683c9de9 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -33,7 +33,6 @@
 #include <linux/sysrq.h>
 
 #include <drm/drm_drv.h>
-#include <drm/drm_irq.h>
 
 #include "display/intel_de.h"
 #include "display/intel_display_types.h"
@@ -4564,10 +4563,6 @@ void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv)
 
 bool intel_irqs_enabled(struct drm_i915_private *dev_priv)
 {
-	/*
-	 * We only use drm_irq_uninstall() at unload and VT switch, so
-	 * this is the only thing we need to check.
-	 */
 	return dev_priv->runtime_pm.irqs_enabled;
 }
 
-- 
2.32.0


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH v3 2/2] drm/i915: Drop all references to DRM IRQ midlayer
  2021-06-30  9:52 ` [PATCH v3 2/2] drm/i915: Drop all references to DRM IRQ midlayer Thomas Zimmermann
@ 2021-06-30 10:06   ` Greg KH
  2021-06-30 11:46     ` Thomas Zimmermann
  0 siblings, 1 reply; 3+ messages in thread
From: Greg KH @ 2021-06-30 10:06 UTC (permalink / raw)
  To: Thomas Zimmermann
  Cc: jani.nikula, joonas.lahtinen, rodrigo.vivi, airlied, daniel,
	chris, mika.kuoppala, matthew.brost, maarten.lankhorst,
	lucas.demarchi, ville.syrjala, intel-gfx, dri-devel, stable

On Wed, Jun 30, 2021 at 11:52:28AM +0200, Thomas Zimmermann wrote:
> Remove all references to DRM's IRQ midlayer. i915 uses Linux' interrupt
> functions directly.
> 
> v2:
> 	* also remove an outdated comment
> 	* move IRQ fix into separate patch
> 	* update Fixes tag (Daniel)
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> Fixes: b318b82455bd ("drm/i915: Nuke drm_driver irq vfuncs")
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Cc: intel-gfx@lists.freedesktop.org
> Cc: <stable@vger.kernel.org> # v5.4+
> ---
>  drivers/gpu/drm/i915/i915_drv.c | 1 -
>  drivers/gpu/drm/i915/i915_irq.c | 5 -----
>  2 files changed, 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 850b499c71c8..73de45472f60 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -42,7 +42,6 @@
>  #include <drm/drm_aperture.h>
>  #include <drm/drm_atomic_helper.h>
>  #include <drm/drm_ioctl.h>
> -#include <drm/drm_irq.h>
>  #include <drm/drm_managed.h>
>  #include <drm/drm_probe_helper.h>
>  
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 2203dca19895..1d4c683c9de9 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -33,7 +33,6 @@
>  #include <linux/sysrq.h>
>  
>  #include <drm/drm_drv.h>
> -#include <drm/drm_irq.h>
>  
>  #include "display/intel_de.h"
>  #include "display/intel_display_types.h"
> @@ -4564,10 +4563,6 @@ void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv)
>  
>  bool intel_irqs_enabled(struct drm_i915_private *dev_priv)
>  {
> -	/*
> -	 * We only use drm_irq_uninstall() at unload and VT switch, so
> -	 * this is the only thing we need to check.
> -	 */
>  	return dev_priv->runtime_pm.irqs_enabled;
>  }
>  
> -- 
> 2.32.0
> 

How is this a stable-kernel-related fix?

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v3 2/2] drm/i915: Drop all references to DRM IRQ midlayer
  2021-06-30 10:06   ` Greg KH
@ 2021-06-30 11:46     ` Thomas Zimmermann
  0 siblings, 0 replies; 3+ messages in thread
From: Thomas Zimmermann @ 2021-06-30 11:46 UTC (permalink / raw)
  To: Greg KH
  Cc: matthew.brost, airlied, mika.kuoppala, intel-gfx, chris,
	dri-devel, rodrigo.vivi, stable, lucas.demarchi


[-- Attachment #1.1: Type: text/plain, Size: 2596 bytes --]

Hi

Am 30.06.21 um 12:06 schrieb Greg KH:
> On Wed, Jun 30, 2021 at 11:52:28AM +0200, Thomas Zimmermann wrote:
>> Remove all references to DRM's IRQ midlayer. i915 uses Linux' interrupt
>> functions directly.
>>
>> v2:
>> 	* also remove an outdated comment
>> 	* move IRQ fix into separate patch
>> 	* update Fixes tag (Daniel)
>>
>> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
>> Fixes: b318b82455bd ("drm/i915: Nuke drm_driver irq vfuncs")
>> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
>> Cc: Chris Wilson <chris@chris-wilson.co.uk>
>> Cc: Jani Nikula <jani.nikula@linux.intel.com>
>> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
>> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
>> Cc: intel-gfx@lists.freedesktop.org
>> Cc: <stable@vger.kernel.org> # v5.4+
>> ---
>>   drivers/gpu/drm/i915/i915_drv.c | 1 -
>>   drivers/gpu/drm/i915/i915_irq.c | 5 -----
>>   2 files changed, 6 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
>> index 850b499c71c8..73de45472f60 100644
>> --- a/drivers/gpu/drm/i915/i915_drv.c
>> +++ b/drivers/gpu/drm/i915/i915_drv.c
>> @@ -42,7 +42,6 @@
>>   #include <drm/drm_aperture.h>
>>   #include <drm/drm_atomic_helper.h>
>>   #include <drm/drm_ioctl.h>
>> -#include <drm/drm_irq.h>
>>   #include <drm/drm_managed.h>
>>   #include <drm/drm_probe_helper.h>
>>   
>> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
>> index 2203dca19895..1d4c683c9de9 100644
>> --- a/drivers/gpu/drm/i915/i915_irq.c
>> +++ b/drivers/gpu/drm/i915/i915_irq.c
>> @@ -33,7 +33,6 @@
>>   #include <linux/sysrq.h>
>>   
>>   #include <drm/drm_drv.h>
>> -#include <drm/drm_irq.h>
>>   
>>   #include "display/intel_de.h"
>>   #include "display/intel_display_types.h"
>> @@ -4564,10 +4563,6 @@ void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv)
>>   
>>   bool intel_irqs_enabled(struct drm_i915_private *dev_priv)
>>   {
>> -	/*
>> -	 * We only use drm_irq_uninstall() at unload and VT switch, so
>> -	 * this is the only thing we need to check.
>> -	 */
>>   	return dev_priv->runtime_pm.irqs_enabled;
>>   }
>>   
>> -- 
>> 2.32.0
>>
> 
> How is this a stable-kernel-related fix?

Sorry, it isn't. I forgot to remove the rsp Cc tag.

Best regards
Thomas

> 
> thanks,
> 
> greg k-h
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer


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^ permalink raw reply	[flat|nested] 3+ messages in thread

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     [not found] <20210630095228.6665-1-tzimmermann@suse.de>
2021-06-30  9:52 ` [PATCH v3 2/2] drm/i915: Drop all references to DRM IRQ midlayer Thomas Zimmermann
2021-06-30 10:06   ` Greg KH
2021-06-30 11:46     ` Thomas Zimmermann

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