From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Cc: "# v4 . 10-rc1+" <drm-intel-fixes@lists.freedesktop.org>,
stable@vger.kernel.org
Subject: Re: [PATCH] drm/i915: Squelch any ktime/jiffie rounding errors for wait-ioctl
Date: Thu, 16 Feb 2017 15:42:20 +0200 [thread overview]
Message-ID: <1487252540.3071.1.camel@linux.intel.com> (raw)
In-Reply-To: <20170216125441.30923-1-chris@chris-wilson.co.uk>
On to, 2017-02-16 at 12:54 +0000, Chris Wilson wrote:
> We wait upon jiffies, but report the time elapsed using a
> high-resolution timer. This discrepancy can lead to us timing out the
> wait prior to us reporting the elapsed time as complete.
>
> This restores the squelching lost in commit e95433c73a11 ("drm/i915:
> Rearrange i915_wait_request() accounting with callers").
>
> Fixes: e95433c73a11 ("drm/i915: Rearrange i915_wait_request() accounting with callers")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Matthew Auld <matthew.william.auld@gmail.com>
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
> Cc: stable@vger.kernel.org
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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Intel-gfx@lists.freedesktop.org
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WARNING: multiple messages have this Message-ID (diff)
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Cc: Matthew Auld <matthew.william.auld@gmail.com>,
"# v4 . 10-rc1+" <drm-intel-fixes@lists.freedesktop.org>,
stable@vger.kernel.org
Subject: Re: [PATCH] drm/i915: Squelch any ktime/jiffie rounding errors for wait-ioctl
Date: Thu, 16 Feb 2017 15:42:20 +0200 [thread overview]
Message-ID: <1487252540.3071.1.camel@linux.intel.com> (raw)
In-Reply-To: <20170216125441.30923-1-chris@chris-wilson.co.uk>
On to, 2017-02-16 at 12:54 +0000, Chris Wilson wrote:
> We wait upon jiffies, but report the time elapsed using a
> high-resolution timer. This discrepancy can lead to us timing out the
> wait prior to us reporting the elapsed time as complete.
>
> This restores the squelching lost in commit e95433c73a11 ("drm/i915:
> Rearrange i915_wait_request() accounting with callers").
>
> Fixes: e95433c73a11 ("drm/i915: Rearrange i915_wait_request() accounting with callers")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Matthew Auld <matthew.william.auld@gmail.com>
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+
> Cc: stable@vger.kernel.org
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
next prev parent reply other threads:[~2017-02-16 13:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-16 12:54 [PATCH] drm/i915: Squelch any ktime/jiffie rounding errors for wait-ioctl Chris Wilson
2017-02-16 12:54 ` Chris Wilson
2017-02-16 13:42 ` Joonas Lahtinen [this message]
2017-02-16 13:42 ` Joonas Lahtinen
2017-02-16 20:59 ` Chris Wilson
2017-02-16 17:22 ` ✓ Fi.CI.BAT: success for " Patchwork
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