To count context losses, add struct i915_reset stats for
both i915_hw_context and drm_i915_file_private.
drm_i915_file_private is used when there is no context.
Use kzalloc when allocating drm_i915_file_private to
initialize stats
Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
---
drivers/gpu/drm/i915/i915_dma.c | 2 +-
drivers/gpu/drm/i915/i915_drv.h | 8 ++++++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index cf06103..82732ee 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1773,7 +1773,7 @@ int i915_driver_open(struct drm_device *dev, struct drm_file *file)
struct drm_i915_file_private *file_priv;
DRM_DEBUG_DRIVER("\n");
- file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL);
+ file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
if (!file_priv)
return -ENOMEM;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4daab74..b87240f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -429,6 +429,11 @@ struct i915_hw_ppgtt {
void (*cleanup)(struct i915_hw_ppgtt *ppgtt);
};
+struct i915_reset_stats {
+ u32 total;
+ u32 innocent;
+ u32 guilty;
+};
/* This must match up with the value previously used for execbuf2.rsvd1. */
#define DEFAULT_CONTEXT_ID 0
@@ -438,6 +443,7 @@ struct i915_hw_context {
struct drm_i915_file_private *file_priv;
struct intel_ring_buffer *ring;
struct drm_i915_gem_object *obj;
+ struct i915_reset_stats reset_stats;
};
enum no_fbc_reason {
@@ -1251,6 +1257,8 @@ struct drm_i915_file_private {
struct list_head request_list;
} mm;
struct idr context_idr;
+
+ struct i915_reset_stats reset_stats;
};
#define INTEL_INFO(dev) (((struct drm_i915_private *) (dev)->dev_private)->info)
--
1.7.9.5
