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Revert "drm/i915: Warn if we run out of FIFO space for a mode"

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This reverts commit b9421ae8f3.

This warning was so prelevant, even for apparently working machines,
that it was just causing fear, anxiety and panic.

The root cause still remains, so we will add some better debugging when
we focus on fixing it.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=17021
Reported-by: Maciej Rutecki <maciej.rutecki@gmail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-09-08 09:14:08 +01:00
parent 12e8ba25ef
commit c3add4b634
1 changed files with 1 additions and 7 deletions
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8
drivers/gpu/drm/i915/intel_display.c
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@ -2767,14 +2767,8 @@ static unsigned long intel_calculate_wm(unsigned long clock_in_khz,
/* Don't promote wm_size to unsigned... */
if (wm_size > (long)wm->max_wm)
wm_size = wm->max_wm;
if (wm_size <= 0) {
if (wm_size <= 0)
wm_size = wm->default_wm;
DRM_ERROR("Insufficient FIFO for plane, expect flickering:"
" entries required = %ld, available = %lu.\n",
entries_required + wm->guard_size,
wm->fifo_size);
}
return wm_size;
}