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From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915/display: Increase the DDI idle timeout to 500us
Date: Thu, 19 Mar 2020 18:14:20 +0200	[thread overview]
Message-ID: <20200319161420.GM13686@intel.com> (raw)
In-Reply-To: <20200319093003.zagegwlakj35en56@ahiler-desk1.fi.intel.com>

On Thu, Mar 19, 2020 at 11:30:03AM +0200, Arkadiusz Hiler wrote:
> On Thu, Mar 19, 2020 at 11:20:34AM +0200, Arkadiusz Hiler wrote:
> > Bspec says that we should timeout after 500us. Let's match this in the
> > code. It may help with few of the timeouts we see here and there.
> 
> Plese disregard. it's 500us when waiting on non-idle and only 8 (16
> for BXT) for back to idle.

Could probably convert to intel_de_wait_for...() regardless. 1ms vs. 16us
isn't going to kill us in modeset code. The exact bspec value can be
kept as a comment.

-- 
Ville Syrjälä
Intel
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      reply	other threads:[~2020-03-19 16:14 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19  9:20 [Intel-gfx] [PATCH] drm/i915/display: Increase the DDI idle timeout to 500us Arkadiusz Hiler
2020-03-19  9:30 ` Arkadiusz Hiler
2020-03-19 16:14   ` Ville Syrjälä [this message]

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