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Commit 02c9f7e3 authored by Kenneth Graunke's avatar Kenneth Graunke Committed by Daniel Vetter
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drm/i915: Add the WaCsStallBeforeStateCacheInvalidate:bdw workaround.



On Broadwell, any PIPE_CONTROL with the "State Cache Invalidate" bit set
must be preceded by a PIPE_CONTROL with the "CS Stall" bit set.

Documented on the BSpec 3D workarounds page.

Reviewed-by: default avatarRafael Barbalho <rafael.barbalho@intel.com>
Signed-off-by: default avatarKenneth Graunke <kenneth@whitecape.org>
[vsyrjala: add chv w/a note too]
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>

Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 884ceace
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