From: Greg KH <gregkh@linuxfoundation.org>
To: hang.yuan@linux.intel.com
Cc: intel-gvt-dev@lists.freedesktop.org, stable@vger.kernel.org,
Xiong Zhang <xiong.y.zhang@intel.com>
Subject: Re: [PATCH] drm/i915/gvt: move intel_runtime_pm_get out of spin_lock in stop_schedule
Date: Tue, 31 Jul 2018 17:09:22 +0200 [thread overview]
Message-ID: <20180731150922.GA13018@kroah.com> (raw)
In-Reply-To: <1533031546-29178-1-git-send-email-hang.yuan@linux.intel.com>
On Tue, Jul 31, 2018 at 06:05:46PM +0800, hang.yuan@linux.intel.com wrote:
> From: Hang Yuan <hang.yuan@linux.intel.com>
>
> pm_runtime_get_sync in intel_runtime_pm_get might sleep if i915
> device is not active. When stop vgpu schedule, the device may be
> inactive. So need to move runtime_pm_get out of spin_lock/unlock.
>
> Fixes: b24881e0b0b6("drm/i915/gvt: Add runtime_pm_get/put into gvt_switch_mmio
> Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com>
> Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
> ---
> drivers/gpu/drm/i915/gvt/mmio_context.c | 2 --
> drivers/gpu/drm/i915/gvt/sched_policy.c | 3 +++
> 2 files changed, 3 insertions(+), 2 deletions(-)
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.
</formletter>
next prev parent reply other threads:[~2018-07-31 16:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-31 10:05 [PATCH] drm/i915/gvt: move intel_runtime_pm_get out of spin_lock in stop_schedule hang.yuan
2018-07-31 15:09 ` Greg KH [this message]
2018-08-01 2:12 ` Hang Yuan
-- strict thread matches above, loose matches on Subject: below --
2018-08-29 9:07 hang.yuan
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