From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
To: Jani Nikula <jani.nikula@linux.intel.com>,
Daniel Vetter <daniel@ffwll.ch>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH] drm/i915: Postpone plane readout until after encoder readout, v3.
Date: Tue, 13 Oct 2015 14:44:24 +0200 [thread overview]
Message-ID: <561CFCA8.6090204@linux.intel.com> (raw)
In-Reply-To: <87d1wj54ck.fsf@intel.com>
Op 13-10-15 om 14:40 schreef Jani Nikula:
> On Thu, 27 Aug 2015, Maarten Lankhorst <maarten.lankhorst@linux.intel.com> wrote:
>> When reading out hw state for planes we disable inactive planes which in
>> turn triggers an update of the watermarks. The update depends on the
>> crtc_clock being set which is done when reading out encoders. Thus
>> postpone the plane readout until after encoder readout.
>>
>> This prevents a warning in skl_compute_linetime_wm() where pixel_rate
>> becomes 0 when crtc_clock is 0.
>>
>> Signed-off-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
>> References: https://bugs.freedesktop.org/show_bug.cgi?id=91428
> Maarten, I presume this patch is superseded by the commits referenced in
> that bug. Is that correct?
>
Correct. :)
~Maarten
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next prev parent reply other threads:[~2015-10-13 12:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-31 13:04 [PATCH] drm/i915: Postpone plane readout until after encoder readout Patrik Jakobsson
2015-08-03 6:31 ` Maarten Lankhorst
2015-08-03 14:36 ` Maarten Lankhorst
2015-08-04 15:37 ` Patrik Jakobsson
2015-08-05 10:45 ` drm/i915: Postpone plane readout until after encoder readout, v2 Maarten Lankhorst
2015-08-26 14:43 ` Daniel Vetter
2015-08-27 11:05 ` Maarten Lankhorst
2015-09-01 9:52 ` Daniel Vetter
2015-08-27 11:47 ` [PATCH] drm/i915: Postpone plane readout until after encoder readout, v3 Maarten Lankhorst
2015-08-27 12:05 ` Ville Syrjälä
2015-08-31 5:59 ` shuang.he
2015-10-13 12:40 ` Jani Nikula
2015-10-13 12:44 ` Maarten Lankhorst [this message]
2015-08-10 17:56 ` [PATCH] drm/i915: Postpone plane readout until after encoder readout shuang.he
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