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drm/i915: Add suspend count to error state

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For example if we get bug reports with similar error states and
suspend count is always 1, that might lead the Sherlocks to
right general direction.

Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2014-02-25 17:11:28 +02:00 committed by Daniel Vetter
parent 48b031e30d
commit 62d5d69b49
3 changed files with 7 additions and 0 deletions
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2
drivers/gpu/drm/i915/i915_drv.c
View File

@ -479,6 +479,8 @@ static int i915_drm_freeze(struct drm_device *dev)
intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED);
console_unlock();
dev_priv->suspend_count++;
return 0;
}

3
drivers/gpu/drm/i915/i915_drv.h
View File

@ -305,6 +305,7 @@ struct drm_i915_error_state {
char error_msg[128];
u32 reset_count;
u32 suspend_count;
/* Generic register state */
u32 eir;
@ -1606,6 +1607,8 @@ typedef struct drm_i915_private {
struct i915_dri1_state dri1;
/* Old ums support infrastructure, same warning applies. */
struct i915_ums_state ums;
u32 suspend_count;
} drm_i915_private_t;
static inline struct drm_i915_private *to_i915(const struct drm_device *dev)

2
drivers/gpu/drm/i915/i915_gpu_error.c
View File

@ -348,6 +348,7 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
}
}
err_printf(m, "Reset count: %u\n", error->reset_count);
err_printf(m, "Suspend count: %u\n", error->suspend_count);
err_printf(m, "PCI ID: 0x%04x\n", dev->pdev->device);
err_printf(m, "EIR: 0x%08x\n", error->eir);
err_printf(m, "IER: 0x%08x\n", error->ier);
@ -1125,6 +1126,7 @@ static void i915_capture_gen_state(struct drm_i915_private *dev_priv,
struct drm_i915_error_state *error)
{
error->reset_count = i915_reset_count(&dev_priv->gpu_error);
error->suspend_count = dev_priv->suspend_count;
}
/**