diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-06-06 12:16:24 +0100 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-08-01 19:03:46 -0700 |
| commit | cbb465e72ae2cf37d252284c28a0d89ddfaaa240 (patch) | |
| tree | 4ea7d5ba990ca20ebb768b2993ca70e37c56b157 /drivers/gpu | |
| parent | 0b3400040d189b129e9770b7ea2e38729e3d75c4 (diff) | |
drm/i915: Include instdone[1] in hangcheck
References:
Bug 26691 - Spurious hangcheck whilst executing a long shader over a
large vertex buffer
https://bugs.freedesktop.org/show_bug.cgi?id=26691
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 38 |
2 files changed, 25 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 21a4af999191..70e252768ab3 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -286,6 +286,8 @@ typedef struct drm_i915_private { struct timer_list hangcheck_timer; int hangcheck_count; uint32_t last_acthd; + uint32_t last_instdone; + uint32_t last_instdone1; struct drm_mm vram; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index fb6b46285471..85785a8844ed 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1229,16 +1229,21 @@ void i915_hangcheck_elapsed(unsigned long data) { struct drm_device *dev = (struct drm_device *)data; drm_i915_private_t *dev_priv = dev->dev_private; - uint32_t acthd; + uint32_t acthd, instdone, instdone1; /* No reset support on this chip yet. */ if (IS_GEN6(dev)) return; - if (!IS_I965G(dev)) + if (!IS_I965G(dev)) { acthd = I915_READ(ACTHD); - else + instdone = I915_READ(INSTDONE); + instdone1 = 0; + } else { acthd = I915_READ(ACTHD_I965); + instdone = I915_READ(INSTDONE_I965); + instdone1 = I915_READ(INSTDONE1); + } /* If all work is done then ACTHD clearly hasn't advanced. */ if (list_empty(&dev_priv->render_ring.request_list) || @@ -1249,21 +1254,24 @@ void i915_hangcheck_elapsed(unsigned long data) return; } - if (dev_priv->last_acthd == acthd && dev_priv->hangcheck_count > 0) { - DRM_ERROR("Hangcheck timer elapsed... GPU hung\n"); - i915_handle_error(dev, true); - return; - } + if (dev_priv->last_acthd == acthd && + dev_priv->last_instdone == instdone && + dev_priv->last_instdone1 == instdone1) { + if (dev_priv->hangcheck_count++ > 1) { + DRM_ERROR("Hangcheck timer elapsed... GPU hung\n"); + i915_handle_error(dev, true); + return; + } + } else { + dev_priv->hangcheck_count = 0; + + dev_priv->last_acthd = acthd; + dev_priv->last_instdone = instdone; + dev_priv->last_instdone1 = instdone1; + } /* Reset timer case chip hangs without another request being added */ mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD); - - if (acthd != dev_priv->last_acthd) - dev_priv->hangcheck_count = 0; - else - dev_priv->hangcheck_count++; - - dev_priv->last_acthd = acthd; } /* drm_dma.h hooks |