diff options
| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2013-06-12 12:35:29 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-06-13 17:42:15 +0200 |
| commit | c0bb617a70c94d660001f06f9810d53085e2c88d (patch) | |
| tree | f2b65ec1f0af69c876f4b976fd6b0e57af020743 /drivers/gpu/drm/i915 | |
| parent | e59ec13de40ed1edd19940322ebd009423fd716d (diff) | |
drm/i915: add i915_gem_context_get_hang_stats()
To get context hang statistics for specified context,
add i915_gem_context_get_hang_stats().
For arb-robustness, every context needs to have its own
hang statistics tracking. Added function will return
the user specified context statistics or in case of
default context, statistics from drm_i915_file_private.
v2: handle default context inside get_reset_state
v3: return struct pointer instead of passing it in as param
(Chris Wilson)
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 28 |
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 124eb1a9e9c..cfa92864365 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1812,6 +1812,10 @@ static inline void i915_gem_context_unreference(struct i915_hw_context *ctx) kref_put(&ctx->ref, i915_gem_context_free); } +struct i915_ctx_hang_stats * __must_check +i915_gem_context_get_hang_stats(struct intel_ring_buffer *ring, + struct drm_file *file, + u32 id); int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, struct drm_file *file); int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 39bcc087db9..f5ea3c1351f 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -303,6 +303,34 @@ static int context_idr_cleanup(int id, void *p, void *data) return 0; } +struct i915_ctx_hang_stats * +i915_gem_context_get_hang_stats(struct intel_ring_buffer *ring, + struct drm_file *file, + u32 id) +{ + struct drm_i915_private *dev_priv = ring->dev->dev_private; + struct drm_i915_file_private *file_priv = file->driver_priv; + struct i915_hw_context *to; + + if (dev_priv->hw_contexts_disabled) + return ERR_PTR(-ENOENT); + + if (ring->id != RCS) + return ERR_PTR(-EINVAL); + + if (file == NULL) + return ERR_PTR(-EINVAL); + + if (id == DEFAULT_CONTEXT_ID) + return &file_priv->hang_stats; + + to = i915_gem_context_get(file->driver_priv, id); + if (to == NULL) + return ERR_PTR(-ENOENT); + + return &to->hang_stats; +} + void i915_gem_context_close(struct drm_device *dev, struct drm_file *file) { struct drm_i915_file_private *file_priv = file->driver_priv; |