[Intel-gfx] [PATCH] drm/i915: Postpone plane readout until after encoder readout, v3.

Maarten Lankhorst maarten.lankhorst at linux.intel.com
Tue Oct 13 05:44:24 PDT 2015

Op 13-10-15 om 14:40 schreef Jani Nikula:
> On Thu, 27 Aug 2015, Maarten Lankhorst <maarten.lankhorst at 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 at linux.intel.com>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at 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 Maarten, I presume this patch is superseded by the commits referenced in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. :)


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