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
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
prev parent 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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200319161420.GM13686@intel.com \
--to=ville.syrjala@linux.intel.com \
--cc=arkadiusz.hiler@intel.com \
--cc=intel-gfx@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox