From: Daniel Vetter <daniel@ffwll.ch>
To: Imre Deak <imre.deak@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/2] drm/i915: vlv: increase timeout when setting idle GPU freq
Date: Thu, 20 Nov 2014 15:12:58 +0100 [thread overview]
Message-ID: <20141120141258.GG25711@phenom.ffwll.local> (raw)
In-Reply-To: <1416407138-3262-3-git-send-email-imre.deak@intel.com>
On Wed, Nov 19, 2014 at 04:25:38PM +0200, Imre Deak wrote:
> I saw punit timeouts in vlv_set_rps_idle() while running various
> subtests of pm_rpm. Increasing the timeout to 100ms got rid of the
> issue.
>
> Testcase: igt/pm_rpm
> Reference: https://bugs.freedesktop.org/show_bug.cgi?id=82939
> Signed-off-by: Imre Deak <imre.deak@intel.com>
Tested-by: Guo Jinxian <jinxianx.guo@intel.com>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 5cc0ebc..3a58797 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4451,7 +4451,7 @@ static void vlv_set_rps_idle(struct drm_i915_private *dev_priv)
> dev_priv->rps.min_freq_softlimit);
>
> if (wait_for(((vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS))
> - & GENFREQSTATUS) == 0, 5))
> + & GENFREQSTATUS) == 0, 100))
> DRM_ERROR("timed out waiting for Punit\n");
>
> vlv_force_gfx_clock(dev_priv, false);
> --
> 1.8.4
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2014-11-20 14:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-19 14:25 [PATCH 0/2] vlv: fix some runtime PM errors Imre Deak
2014-11-19 14:25 ` [PATCH 1/2] drm/i915: vlv: fix cdclk setting during modeset while suspended Imre Deak
2014-11-20 14:49 ` Ville Syrjälä
2014-11-19 14:25 ` [PATCH 2/2] drm/i915: vlv: increase timeout when setting idle GPU freq Imre Deak
2014-11-20 14:12 ` Daniel Vetter [this message]
2014-11-20 14:52 ` Ville Syrjälä
2014-11-21 1:15 ` [PATCH 2/2] drm/i915: vlv: increase timeout when shuang.he
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