drm/i915/bdw: Add missing delay during L3 SQC credit programming

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BSpec requires us to wait ~100 clocks before re-enabling clock gating,
so make sure we do this.

CC: stable@vger.kernel.org
CC: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462280061-1457-2-git-send-email-imre.deak@intel.com

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Imre Deak 2016-05-03 15:54:19 +03:00

parent 9a41e17de3

commit 48e5d68d28

1 changed files with 6 additions and 0 deletions

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drivers/gpu/drm/i915/intel_pm.c

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