From: Egbert Eich <eich@suse.com>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Egbert Eich <eich@suse.de>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH 04/24] drm/i915: s/hotplug_irq_storm_detect/intel_hpd_irq_handler/
Date: Wed, 12 Jun 2013 16:22:07 +0200 [thread overview]
Message-ID: <20920.33807.704187.135227@linux-qknr.site> (raw)
In-Reply-To: daniel.vetter@ffwll.ch wrote on Wednesday, 12 June 2013 at 13:37:06 +0200
Daniel Vetter writes:
> The combination of Paulo's fifo underrun detection code and Egbert's
> hpd storm handling code unfortunately made the hpd storm handling code
> racy.
>
> To avoid duplicating tricky interrupt locking code over all platforms
> start with a bit of refactoring. This patch is the very first step
> since in the end the irq storm handling code will handle all hotplug
> logic (and so also encapsulate the locking nicely).
>
> Cc: Egbert Eich <eich@suse.de>
> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
> drivers/gpu/drm/i915/i915_irq.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
[reviewed code deleted]
Reviewed-by: Egbert Eich <eich@suse.de>
next prev parent reply other threads:[~2013-06-12 14:22 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-12 11:37 [PATCH 00/24] irq locking review Daniel Vetter
2013-06-12 11:37 ` [PATCH 01/24] drm/i915: fix locking around ironlake_enable|disable_display_irq Daniel Vetter
2013-06-25 12:26 ` [PATCH] " Daniel Vetter
2013-06-26 21:15 ` Paulo Zanoni
2013-06-27 10:37 ` Daniel Vetter
2013-06-12 11:37 ` [PATCH 02/24] drm/i915: close tiny race in the ilk pcu even interrupt setup Daniel Vetter
2013-06-26 21:20 ` Paulo Zanoni
2013-06-12 11:37 ` [PATCH 03/24] drm/i915: assert_spin_locked for pipestat interrupt enable/disable Daniel Vetter
2013-06-26 21:44 ` Paulo Zanoni
2013-06-12 11:37 ` [PATCH 04/24] drm/i915: s/hotplug_irq_storm_detect/intel_hpd_irq_handler/ Daniel Vetter
2013-06-12 14:22 ` Egbert Eich [this message]
2013-06-12 11:37 ` [PATCH 05/24] drm/i915: fold the hpd_irq_setup call into intel_hpd_irq_handler Daniel Vetter
[not found] ` <20920.34096.704203.67316@linux-qknr.site>
2013-06-12 15:00 ` Daniel Vetter
2013-06-12 11:37 ` [PATCH 06/24] drm/i915: fold the queue_work " Daniel Vetter
2013-06-12 14:29 ` Egbert Eich
2013-06-12 11:37 ` [PATCH 07/24] drm/i915: fold the no-irq check " Daniel Vetter
2013-06-12 14:33 ` Egbert Eich
2013-06-26 22:35 ` Paulo Zanoni
2013-06-27 10:39 ` Daniel Vetter
2013-06-27 11:44 ` [PATCH 1/8] drm/i915: fix locking around ironlake_enable|disable_display_irq Daniel Vetter
2013-06-27 11:44 ` [PATCH 2/8] drm/i915: close tiny race in the ilk pcu even interrupt setup Daniel Vetter
2013-06-27 11:45 ` [PATCH 3/8] drm/i915: assert_spin_locked for pipestat interrupt enable/disable Daniel Vetter
2013-06-27 11:45 ` [PATCH 4/8] drm/i915: s/hotplug_irq_storm_detect/intel_hpd_irq_handler/ Daniel Vetter
2013-06-27 11:45 ` [PATCH 5/8] drm/i915: fold the hpd_irq_setup call into intel_hpd_irq_handler Daniel Vetter
2013-06-27 11:45 ` [PATCH 6/8] drm/i915: fold the queue_work " Daniel Vetter
2013-06-27 12:13 ` Chris Wilson
2013-06-27 11:45 ` [PATCH 7/8] drm/i915: fold the no-irq check " Daniel Vetter
2013-06-27 12:14 ` Chris Wilson
2013-06-27 11:45 ` [PATCH 8/8] drm/i915: fix hpd interrupt register locking Daniel Vetter
2013-06-27 14:41 ` Paulo Zanoni
2013-06-27 15:52 ` [PATCH 1/6] drm/i915: assert_spin_locked for pipestat interrupt enable/disable Daniel Vetter
2013-06-27 15:52 ` [PATCH 2/6] drm/i915: s/hotplug_irq_storm_detect/intel_hpd_irq_handler/ Daniel Vetter
2013-06-27 15:52 ` [PATCH 3/6] drm/i915: fold the hpd_irq_setup call into intel_hpd_irq_handler Daniel Vetter
2013-06-27 15:52 ` [PATCH 4/6] drm/i915: fold the queue_work " Daniel Vetter
2013-06-27 15:52 ` [PATCH 5/6] drm/i915: fold the no-irq check " Daniel Vetter
2013-06-27 15:52 ` [PATCH 6/6] drm/i915: fix hpd interrupt register locking Daniel Vetter
2013-07-04 19:22 ` [PATCH 1/6] drm/i915: assert_spin_locked for pipestat interrupt enable/disable Daniel Vetter
2013-06-27 17:44 ` [PATCH 8/8] drm/i915: fix hpd interrupt register locking Daniel Vetter
2013-06-12 11:37 ` [PATCH 08/24] " Daniel Vetter
2013-06-12 14:59 ` Egbert Eich
2013-06-12 15:10 ` Daniel Vetter
2013-06-12 11:37 ` [PATCH 09/24] drm/i915: extract ibx_display_interrupt_update Daniel Vetter
2013-06-25 12:27 ` [PATCH] " Daniel Vetter
2013-06-12 11:37 ` [PATCH 10/24] drm/i915: remove SERR_INT clearing in the postinstall hook Daniel Vetter
2013-06-27 19:34 ` Paulo Zanoni
2013-07-04 19:49 ` Daniel Vetter
2013-06-12 11:37 ` [PATCH 11/24] drm/i915: improve SERR_INT clearing for fifo underrun reporting Daniel Vetter
2013-06-27 20:19 ` Paulo Zanoni
2013-07-04 19:55 ` Daniel Vetter
2013-06-12 11:37 ` [PATCH 12/24] drm/i915: improve GEN7_ERR_INT " Daniel Vetter
2013-06-12 11:37 ` [PATCH 13/24] drm/i915: kill lpt pch transcoder->crtc mapping code for fifo underruns Daniel Vetter
2013-06-12 13:04 ` Paulo Zanoni
2013-06-12 14:46 ` [PATCH] " Daniel Vetter
2013-06-27 20:45 ` Paulo Zanoni
2013-07-04 20:41 ` Daniel Vetter
2013-06-12 11:37 ` [PATCH 14/24] drm/i915: irq handlers don't need interrupt-safe spinlocks Daniel Vetter
2013-06-25 12:27 ` [PATCH] " Daniel Vetter
2013-06-27 21:14 ` Paulo Zanoni
2013-06-27 22:40 ` Daniel Vetter
2013-06-28 16:57 ` Paulo Zanoni
2013-06-12 11:37 ` [PATCH 15/24] drm/i915: streamline hsw_pm_irq_handler Daniel Vetter
2013-06-25 12:28 ` [PATCH] " Daniel Vetter
2013-06-12 11:37 ` [PATCH 16/24] drm/i915: queue work outside spinlock in hsw_pm_irq_handler Daniel Vetter
2013-06-12 11:37 ` [PATCH 17/24] drm/i915: kill dev_priv->rps.lock Daniel Vetter
2013-06-28 3:35 ` Ben Widawsky
2013-06-28 3:35 ` Ben Widawsky
2013-06-12 11:37 ` [PATCH 18/24] drm/i915: unify ring irq refcounts (again) Daniel Vetter
2013-06-28 17:24 ` Ben Widawsky
2013-07-04 20:52 ` Daniel Vetter
2013-06-12 11:37 ` [PATCH 19/24] drm/i915: don't enable PM_VEBOX_CS_ERROR_INTERRUPT Daniel Vetter
2013-06-12 17:13 ` Ben Widawsky
2013-06-12 17:18 ` Daniel Vetter
2013-06-12 18:19 ` Ben Widawsky
2013-06-12 18:32 ` Daniel Vetter
2013-06-12 18:51 ` Ben Widawsky
2013-06-28 17:25 ` Ben Widawsky
2013-06-12 11:37 ` [PATCH 20/24] drm/i915: kill bogus GTIIR clearing in vlv_preinstall hook Daniel Vetter
2013-06-28 17:01 ` Ben Widawsky
2013-07-04 20:56 ` Daniel Vetter
2013-06-12 11:37 ` [PATCH 21/24] drm/i915: unify PM interrupt preinstall sequence Daniel Vetter
2013-06-28 17:26 ` Ben Widawsky
2013-07-04 21:03 ` Daniel Vetter
2013-06-12 11:37 ` [PATCH 22/24] drm/i915: unify GT/PM irq postinstall code Daniel Vetter
2013-06-12 11:37 ` [PATCH 23/24] drm/i915: extract rps interrupt enable/disable helpers Daniel Vetter
2013-06-12 11:37 ` [PATCH 24/24] drm/i915: simplify rps interrupt enabling/disabling sequence Daniel Vetter
2013-06-12 22:32 ` Ben Widawsky
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