android_kernel_msm-6.1_noth.../drivers/gpu
Paulo Zanoni 3fddd40739 drm/i915: remove the vblank_wait hack from HSW+
When I forked haswell_crtc_enable I copied all the code from
ironlake_crtc_enable. The last piece of the function contains a big
comment with a call to intel_wait_for_vblank. After this fork, we
rearranged the Haswell code so that it enables the planes as the very
last step of the modeset sequence, so we're sure that we call
intel_enable_primary_plane after the pipe is really running, so the
vblank waiting functions work as expected. I really believe this is
what fixes the problem described by the big comment, so let's give it
a try and get rid of that intel_wait_for_vblank, saving around 16ms
per modeset (and init/resume). We can always revert if needed :)

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-02-12 18:53:07 +01:00
..
drm drm/i915: remove the vblank_wait hack from HSW+ 2014-02-12 18:53:07 +01:00
host1x gpu: host1x: Remove unnecessary include 2014-01-14 14:39:45 +01:00
vga vgaarb: Fix VGA decodes changes 2013-09-03 19:17:59 +02:00
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