Re: [PATCH v3 2/2] drm/i915: Drop all references to DRM IRQ midlayer

[Thomas Zimmermann <tzimmermann@xxxxxxx>]

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 	* also remove an outdated comment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@xxxxxxx>
> > Fixes: b318b82455bd ("drm/i915: Nuke drm_driver irq vfuncs")
> > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> > Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> > Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > Cc: <stable@xxxxxxxxxxxxxxx> # 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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