Ben Widawsky <b...@bwidawsk.net> writes:
> On Tue, Feb 26, 2013 at 01:05:06PM +0200, Mika Kuoppala wrote:
>> In preparation for next commit, pass seqno as a parameter
>> to i915_hangcheck_ring_idle as it will be used inside
>> i915_hangcheck_elapsed.
>>
>> Signed-off-by: Mika Kuoppala <mika.kuopp...@intel.com>
>> ---
>> drivers/gpu/drm/i915/i915_irq.c | 11 +++++++----
>> 1 file changed, 7 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/i915_irq.c
>> b/drivers/gpu/drm/i915/i915_irq.c
>> index 29037e0..4f60c87 100644
>> --- a/drivers/gpu/drm/i915/i915_irq.c
>> +++ b/drivers/gpu/drm/i915/i915_irq.c
>> @@ -1740,11 +1740,11 @@ ring_last_seqno(struct intel_ring_buffer *ring)
>> struct drm_i915_gem_request, list)->seqno;
>> }
>>
>> -static bool i915_hangcheck_ring_idle(struct intel_ring_buffer *ring, bool
>> *err)
>> +static bool i915_hangcheck_ring_idle(struct intel_ring_buffer *ring,
>> + u32 ring_seqno, bool *err)
>> {
>> if (list_empty(&ring->request_list) ||
>> - i915_seqno_passed(ring->get_seqno(ring, false),
>> - ring_last_seqno(ring))) {
>> + i915_seqno_passed(ring_seqno, ring_last_seqno(ring))) {
>> /* Issue a wake-up to catch stuck h/w. */
>> if (waitqueue_active(&ring->irq_queue)) {
>> DRM_ERROR("Hangcheck timer elapsed... %s idle\n",
>
> I think just return err. Don't bother with a bool and *err return.
They have different meaning in here. Or do you suggest that
i return int with error and encode waiting/non waiting in return value?
-Mika
>> @@ -1821,7 +1821,10 @@ void i915_hangcheck_elapsed(unsigned long data)
>> memset(acthd, 0, sizeof(acthd));
>> idle = true;
>> for_each_ring(ring, dev_priv, i) {
>> - idle &= i915_hangcheck_ring_idle(ring, &err);
>> + u32 seqno;
>> +
>> + seqno = ring->get_seqno(ring, false);
>> + idle &= i915_hangcheck_ring_idle(ring, seqno, &err);
>> acthd[i] = intel_ring_get_active_head(ring);
>> }
>>
> --
> Ben Widawsky, Intel Open Source Technology Center
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