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drm/i915: add context into request struct

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Storing context reference into request struct
allows us to inspect context and its associated
objects when requests are retired.

Both ppgtt and arb robustness work will need
this.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2013-05-02 16:48:08 +03:00 committed by Daniel Vetter
parent 112522f678
commit 0e50e96bf2
2 changed files with 21 additions and 6 deletions
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3
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1270,6 +1270,9 @@ struct drm_i915_gem_request {
/** Postion in the ringbuffer of the end of the request */
u32 tail;
/** Context related to this request */
struct i915_hw_context *ctx;
/** Time at which this request was emitted, in jiffies. */
unsigned long emitted_jiffies;

24
drivers/gpu/drm/i915/i915_gem.c
View File

@ -2042,6 +2042,11 @@ i915_add_request(struct intel_ring_buffer *ring,
request->seqno = intel_ring_get_seqno(ring);
request->ring = ring;
request->tail = request_ring_position;
request->ctx = ring->last_context;
if (request->ctx)
i915_gem_context_reference(request->ctx);
request->emitted_jiffies = jiffies;
was_empty = list_empty(&ring->request_list);
list_add_tail(&request->list, &ring->request_list);
@ -2094,6 +2099,17 @@ i915_gem_request_remove_from_client(struct drm_i915_gem_request *request)
spin_unlock(&file_priv->mm.lock);
}
static void i915_gem_free_request(struct drm_i915_gem_request *request)
{
list_del(&request->list);
i915_gem_request_remove_from_client(request);
if (request->ctx)
i915_gem_context_unreference(request->ctx);
kfree(request);
}
static void i915_gem_reset_ring_lists(struct drm_i915_private *dev_priv,
struct intel_ring_buffer *ring)
{
@ -2104,9 +2120,7 @@ static void i915_gem_reset_ring_lists(struct drm_i915_private *dev_priv,
struct drm_i915_gem_request,
list);
list_del(&request->list);
i915_gem_request_remove_from_client(request);
kfree(request);
i915_gem_free_request(request);
}
while (!list_empty(&ring->active_list)) {
@ -2198,9 +2212,7 @@ i915_gem_retire_requests_ring(struct intel_ring_buffer *ring)
*/
ring->last_retired_head = request->tail;
list_del(&request->list);
i915_gem_request_remove_from_client(request);
kfree(request);
i915_gem_free_request(request);
}
/* Move any buffers on the active list that are no longer referenced