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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-04-07 09:29:10 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-04-08 13:42:50 +0300 |
| commit | 14fd0d6d0b91a207162f1a22104eb34d403b8679 (patch) | |
| tree | d09b28abccaa1c48c6547814017f1a8212098fde /drivers/gpu/drm/i915/i915_gpu_error.c | |
| parent | 6f0e7535e7e122d927081423f80ff2a7d21e0a3f (diff) | |
| download | linux-14fd0d6d0b91a207162f1a22104eb34d403b8679.tar.xz | |
drm/i915: Include engine->last_submitted_seqno in GPU error state
It's useful to look at the last seqno submitted on a particular engine
and compare it against the HWS value to check for irregularities.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460010558-10705-1-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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 6d63a2f5575a..ce77713a555d 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -296,6 +296,7 @@ static void i915_ring_error_state(struct drm_i915_error_state_buf *m, } } err_printf(m, " seqno: 0x%08x\n", ring->seqno); + err_printf(m, " last_seqno: 0x%08x\n", ring->last_seqno); err_printf(m, " waiting: %s\n", yesno(ring->waiting)); err_printf(m, " ring->head: 0x%08x\n", ring->cpu_ring_head); err_printf(m, " ring->tail: 0x%08x\n", ring->cpu_ring_tail); @@ -932,6 +933,7 @@ static void i915_record_ring_state(struct drm_device *dev, ering->instpm = I915_READ(RING_INSTPM(engine->mmio_base)); ering->seqno = engine->get_seqno(engine, false); ering->acthd = intel_ring_get_active_head(engine); + ering->last_seqno = engine->last_submitted_seqno; ering->start = I915_READ_START(engine); ering->head = I915_READ_HEAD(engine); ering->tail = I915_READ_TAIL(engine); |