diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index b5dba4795f6..2479be001e4 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -692,24 +692,13 @@ void i915_destroy_error_state(struct drm_device *dev) i915_error_state_free(dev, error); } -/** - * i915_handle_error - handle an error interrupt - * @dev: drm device - * - * Do some basic checking of regsiter state at error interrupt time and - * dump it to the syslog. Also call i915_capture_error_state() to make - * sure we get a record and make it available in debugfs. Fire a uevent - * so userspace knows something bad happened (should trigger collection - * of a ring dump etc.). - */ -static void i915_handle_error(struct drm_device *dev, bool wedged) +static void i915_report_and_clear_eir(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; u32 eir = I915_READ(EIR); - u32 pipea_stats = I915_READ(PIPEASTAT); - u32 pipeb_stats = I915_READ(PIPEBSTAT); - i915_capture_error_state(dev); + if (!eir) + return; printk(KERN_ERR "render error detected, EIR: 0x%08x\n", eir); @@ -755,6 +744,9 @@ static void i915_handle_error(struct drm_device *dev, bool wedged) } if (eir & I915_ERROR_MEMORY_REFRESH) { + u32 pipea_stats = I915_READ(PIPEASTAT); + u32 pipeb_stats = I915_READ(PIPEBSTAT); + printk(KERN_ERR "memory refresh error\n"); printk(KERN_ERR "PIPEASTAT: 0x%08x\n", pipea_stats); @@ -811,6 +803,24 @@ static void i915_handle_error(struct drm_device *dev, bool wedged) I915_WRITE(EMR, I915_READ(EMR) | eir); I915_WRITE(IIR, I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT); } +} + +/** + * i915_handle_error - handle an error interrupt + * @dev: drm device + * + * Do some basic checking of regsiter state at error interrupt time and + * dump it to the syslog. Also call i915_capture_error_state() to make + * sure we get a record and make it available in debugfs. Fire a uevent + * so userspace knows something bad happened (should trigger collection + * of a ring dump etc.). + */ +static void i915_handle_error(struct drm_device *dev, bool wedged) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + i915_capture_error_state(dev); + i915_report_and_clear_eir(dev); if (wedged) { atomic_set(&dev_priv->mm.wedged, 1); |