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authorChris Wilson <chris@chris-wilson.co.uk>2013-01-20 16:33:32 +0000
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-01-23 00:58:23 +0100
commitf05bb0c7b624252a5e768287e340e8e45df96e42 (patch)
tree4824aaa30158b81aff2cea25eaaf29dbb411a550 /fs/nfs/callback_proc.c
parent1c8c38c588ea91f8deeae21284840459d1bb58e3 (diff)
drm/i915: GFX_MODE Flush TLB Invalidate Mode must be '1' for scanline waits
On SNB, if bit 13 of GFX_MODE, Flush TLB Invalidate Mode, is not set to 1, the hardware can not program the scanline values. Those scanline values then control when the signal is sent from the display engine to the render ring for MI_WAIT_FOR_EVENTs. Note setting this bit means that TLB invalidations must be performed explicitly through the appropriate bits being set in PIPE_CONTROL. References: https://bugzilla.kernel.org/show_bug.cgi?id=52311 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@vger.kernel.org Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'fs/nfs/callback_proc.c')
0 files changed, 0 insertions, 0 deletions