drm/i915: Add thread stall DOP clock gating workaround on Broadwell.

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Ben and I believe this will be necessary on production hardware.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
[danvet: Shuffle lines to group all ROW_CHICKEN writes and add a
cautious comment that this might not be needed on production hw.]
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Kenneth Graunke 2014-02-26 23:59:31 -08:00 • committed by Daniel Vetter

parent c8966e1058

commit 1411e6a57a

2 changed files with 6 additions and 0 deletions

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1

drivers/gpu/drm/i915/i915_reg.h

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5

drivers/gpu/drm/i915/intel_pm.c

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