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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-15 10:48:40 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-15 11:00:49 +0100 |
| commit | d045446df196e3af341aa7623de5d21049ec4f67 (patch) | |
| tree | dcbf52e6ed0bb044c267b082ad94f6ca62041ac6 /drivers/gpu/drm/i915/i915_gpu_error.c | |
| parent | 7466c291b1d2fa38e3140717c857c86e0eac1b6b (diff) | |
| download | linux-d045446df196e3af341aa7623de5d21049ec4f67.tar.gz linux-d045446df196e3af341aa7623de5d21049ec4f67.tar.bz2 linux-d045446df196e3af341aa7623de5d21049ec4f67.zip | |
drm/i915: Record the position of the start of the request
Not only does it make for good documentation and debugging aide, but it is
also vital for when we want to unwind requests - such as when throwing away
an incomplete request.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1470414607-32453-2-git-send-email-arun.siluvery@linux.intel.com
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1471254551-25805-1-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gpu_error.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gpu_error.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index eecb87063c88..d54848f5f246 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -455,9 +455,10 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m, dev_priv->engine[i].name, ee->num_requests); for (j = 0; j < ee->num_requests; j++) { - err_printf(m, " seqno 0x%08x, emitted %ld, tail 0x%08x\n", + err_printf(m, " seqno 0x%08x, emitted %ld, head 0x%08x, tail 0x%08x\n", ee->requests[j].seqno, ee->requests[j].jiffies, + ee->requests[j].head, ee->requests[j].tail); } } @@ -1205,7 +1206,8 @@ static void i915_gem_record_rings(struct drm_i915_private *dev_priv, erq = &ee->requests[count++]; erq->seqno = request->fence.seqno; erq->jiffies = request->emitted_jiffies; - erq->tail = request->postfix; + erq->head = request->head; + erq->tail = request->tail; } } } |