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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-03-30 22:24:33 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-04-09 20:04:06 +0400 |
| commit | fad2596acb5e4e028266e820fd8b47e88030a4ca (patch) | |
| tree | 8e8674e7b29e5fdf31b530828d7af5b57374d640 | |
| parent | 25c063004a6d0048c4dece74db4da117b9ae623e (diff) | |
| download | linux-fad2596acb5e4e028266e820fd8b47e88030a4ca.tar.xz | |
drm/i915: rip out old HWSTAM missed irq WA for vlv
This got copy-pasted from an older version. The newer kinds of
workarounds don't need this anymore.
Shame on me for not noticing when picking up the vlv irq patch.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 06286a270b07..8496fa55122a 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1998,18 +1998,6 @@ static void valleyview_irq_preinstall(struct drm_device *dev) I915_WRITE(RING_IMR(GEN6_BSD_RING_BASE), 0); I915_WRITE(RING_IMR(BLT_RING_BASE), 0); - if (IS_GEN6(dev) || IS_GEN7(dev)) { - /* Workaround stalls observed on Sandy Bridge GPUs by - * making the blitter command streamer generate a - * write to the Hardware Status Page for - * MI_USER_INTERRUPT. This appears to serialize the - * previous seqno write out before the interrupt - * happens. - */ - I915_WRITE(GEN6_BLITTER_HWSTAM, ~GEN6_BLITTER_USER_INTERRUPT); - I915_WRITE(GEN6_BSD_HWSTAM, ~GEN6_BSD_USER_INTERRUPT); - } - /* and GT */ I915_WRITE(GTIIR, I915_READ(GTIIR)); I915_WRITE(GTIIR, I915_READ(GTIIR)); |