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drm/i915: Only emit flushes on active rings.

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This avoids the excess flush and requests on idle rings (and spamming
the debug log ;-)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Chris Wilson
2010-08-04 13:55:32 +01:00
committed by Eric Anholt
parent e044218a8e
commit 88f356b725
2 changed files with 19 additions and 10 deletions
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3
drivers/gpu/drm/i915/i915_drv.h
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@@ -285,6 +285,9 @@ typedef struct drm_i915_private {
unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
int vblank_pipe;
int num_pipe;
u32 flush_rings;
#define FLUSH_RENDER_RING 0x1
#define FLUSH_BSD_RING 0x2
/* For hangcheck timer */
#define DRM_I915_HANGCHECK_PERIOD 75 /* in jiffies */