All of lore.kernel.org
 help / color / mirror / Atom feed
From: Chris Wilson <chris@chris-wilson.co.uk>
To: Jani Nikula <jani.nikula@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: demote opregion excessive timeout WARN_ONCE to DRM_INFO
Date: Fri, 31 Jan 2014 11:56:08 +0000	[thread overview]
Message-ID: <20140131115608.GW29091@nuc-i3427.alporthouse.com> (raw)
In-Reply-To: <87wqhg2wn0.fsf@intel.com>

On Fri, Jan 31, 2014 at 01:55:47PM +0200, Jani Nikula wrote:
> On Fri, 31 Jan 2014, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> > On Fri, Jan 31, 2014 at 01:41:08PM +0200, Jani Nikula wrote:
> >> The WARN is a bit too verbose, make it a DRM_INFO that gets printed
> >> once.
> >> 
> >> While at it, fix the typo in DSLP.
> >> 
> >> Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
> >> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
> >> ---
> >>  drivers/gpu/drm/i915/intel_opregion.c |    6 +++++-
> >>  1 file changed, 5 insertions(+), 1 deletion(-)
> >> 
> >> diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
> >> index 46d288055345..0fae017c4c7b 100644
> >> --- a/drivers/gpu/drm/i915/intel_opregion.c
> >> +++ b/drivers/gpu/drm/i915/intel_opregion.c
> >> @@ -263,7 +263,11 @@ static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out)
> >>  		dslp = 50;
> >>  	} else if (dslp > 1500) {
> >>  		/* Hey bios, trust must be earned. */
> >> -		WARN_ONCE(1, "excessive driver sleep timeout (DSPL) %u\n", dslp);
> >> +		static bool warned;
> >> +		if (!warned) {
> >> +			DRM_INFO("excessive driver sleep timeout (DSLP) %u\n", dslp);
> >
> > DRM_INFO("ACPI BIOS requests an excessive sleep of %d ms, using %d instead\n", dslp, MAX_DSLP);
> 
> You're just saying that because I didn't dare to write the new value
> back to opregion! :p

I'm just trying to clarify that it is not our fault we want to sleep for
several seconds during startup, but the manufacturer...

But yes, you are a coward. ;-)
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

  reply	other threads:[~2014-01-31 15:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-31  9:31 [PATCH] drm/i915: Increase OpRegion timeout Daniel Vetter
2014-01-31  9:38 ` Chris Wilson
2014-01-31 11:41   ` [PATCH] drm/i915: demote opregion excessive timeout WARN_ONCE to DRM_INFO Jani Nikula
2014-01-31 11:41     ` Ville Syrjälä
2014-01-31 13:21       ` Jani Nikula
2014-01-31 13:26         ` Ville Syrjälä
2014-01-31 11:43     ` Chris Wilson
2014-01-31 11:55       ` Jani Nikula
2014-01-31 11:56         ` Chris Wilson [this message]
2014-01-31 13:49     ` [PATCH 1/2] drm: add DRM_INFO_ONCE() to print a one-time DRM_INFO() message Jani Nikula
2014-01-31 13:49       ` [PATCH 2/2] drm/i915: demote opregion excessive timeout WARN_ONCE to DRM_INFO_ONCE Jani Nikula
2014-01-31 13:48         ` Chris Wilson
2014-02-04 20:09           ` Daniel Vetter
2014-01-31 11:42 ` [PATCH] drm/i915: Increase OpRegion timeout Jani Nikula

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=20140131115608.GW29091@nuc-i3427.alporthouse.com \
    --to=chris@chris-wilson.co.uk \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=jani.nikula@intel.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.