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    <div class="moz-cite-prefix">Thanks.<br>
      <br>
      One more thing which came to my mind is that we might want to
      print the warning only when amdgpu_fence_process has actually done
      some processing.<br>
      <br>
      Otherwise we could get warnings for long running jobs.<br>
      <br>
      Christian.<br>
      <br>
      Am 24.09.2018 um 17:14 schrieb Andrey Grodzovsky:<br>
    </div>
    <blockquote type="cite"
      cite="mid:8971d575-3279-9974-04be-45bb62cb42a3@amd.com">
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      <p>P.S I pushed it.</p>
      <p><br>
      </p>
      <p>Thanks,</p>
      <p>Andrey<br>
      </p>
      <br>
      <div class="moz-cite-prefix">On 09/24/2018 11:13 AM, Andrey
        Grodzovsky wrote:<br>
      </div>
      <blockquote type="cite"
        cite="mid:4ca8e57b-6927-e6a0-b063-9dc5a4d26952@amd.com">
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        <p>Reviewed-and-Tested-by: Andrey Grodzovsky <a
            class="moz-txt-link-rfc2396E"
            href="mailto:andrey.grodzovsky@amd.com"
            moz-do-not-send="true"><andrey.grodzovsky@amd.com></a><br>
        </p>
        <p><br>
        </p>
        <p>Andrey</p>
        <p><br>
        </p>
        <div class="moz-cite-prefix">On 09/24/2018 10:31 AM, Deucher,
          Alexander wrote:<br>
        </div>
        <blockquote type="cite"
cite="mid:BN6PR12MB18097AA77D7E8948DE462823F7170@BN6PR12MB1809.namprd12.prod.outlook.com">
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            <p style="margin-top:0;margin-bottom:0">Acked-by: Alex
              Deucher <a class="moz-txt-link-rfc2396E"
                href="mailto:alexander.deucher@amd.com"
                moz-do-not-send="true"><alexander.deucher@amd.com></a><br>
            </p>
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          <hr style="display:inline-block;width:98%" tabindex="-1">
          <div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
              face="Calibri, sans-serif" color="#000000"><b>From:</b>
              amd-gfx <a class="moz-txt-link-rfc2396E"
                href="mailto:amd-gfx-bounces@lists.freedesktop.org"
                moz-do-not-send="true"><amd-gfx-bounces@lists.freedesktop.org></a>
              on behalf of Christian König <a
                class="moz-txt-link-rfc2396E"
                href="mailto:ckoenig.leichtzumerken@gmail.com"
                moz-do-not-send="true"><ckoenig.leichtzumerken@gmail.com></a><br>
              <b>Sent:</b> Monday, September 24, 2018 8:10:22 AM<br>
              <b>To:</b> <a class="moz-txt-link-abbreviated"
                href="mailto:amd-gfx@lists.freedesktop.org"
                moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a><br>
              <b>Subject:</b> [PATCH] drm/amdgpu: Deactivate SW
              interrupt fallback in amdgpu_fence_process v2</font>
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          </div>
          <div class="BodyFragment"><font size="2"><span
                style="font-size:11pt;">
                <div class="PlainText">From: Andrey Grodzovsky <a
                    class="moz-txt-link-rfc2396E"
                    href="mailto:andrey.grodzovsky@amd.com"
                    moz-do-not-send="true"><andrey.grodzovsky@amd.com></a><br>
                  <br>
                  Deactivate SW interrupt fallback when all emited
                  fences are completed.<br>
                  Also switch interrupt SW fallback message from INFO to
                  WARN.<br>
                  <br>
                  v2: shorten the warnign message a bit and only
                  re-activate the timer during<br>
                  processing if it was already activated before.<br>
                  <br>
                  Signed-off-by: Andrey Grodzovsky <a
                    class="moz-txt-link-rfc2396E"
                    href="mailto:andrey.grodzovsky@amd.com"
                    moz-do-not-send="true"><andrey.grodzovsky@amd.com></a><br>
                  Suggested-by: Christian Konig <a
                    class="moz-txt-link-rfc2396E"
                    href="mailto:Christian.Koenig@amd.com"
                    moz-do-not-send="true"><Christian.Koenig@amd.com></a><br>
                  ---<br>
                   drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 5 +++--<br>
                   1 file changed, 3 insertions(+), 2 deletions(-)<br>
                  <br>
                  diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
                  b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c<br>
                  index 1ae25835cad1..4e6e9c9654dd 100644<br>
                  --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c<br>
                  +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c<br>
                  @@ -229,7 +229,8 @@ void amdgpu_fence_process(struct
                  amdgpu_ring *ring)<br>
                   <br>
                           } while
                  (atomic_cmpxchg(&drv->last_seq, last_seq, seq)
                  != last_seq);<br>
                   <br>
                  -       if (seq != ring->fence_drv.sync_seq)<br>
                  +       if
                  (del_timer(&ring->fence_drv.fallback_timer)
                  &&<br>
                  +           seq != ring->fence_drv.sync_seq)<br>
                                   amdgpu_fence_schedule_fallback(ring);<br>
                   <br>
                           if (unlikely(seq == last_seq))<br>
                  @@ -274,7 +275,7 @@ static void
                  amdgpu_fence_fallback(struct timer_list *t)<br>
                           struct amdgpu_ring *ring = from_timer(ring,
                  t,<br>
                                                                
                  fence_drv.fallback_timer);<br>
                   <br>
                  -       DRM_INFO("Fallback to SW interrupt on ring %s
                  due to HW interrupt time out", ring->name);<br>
                  +       DRM_WARN("Fence fallback timer expired on ring
                  %s\n", ring->name);<br>
                           amdgpu_fence_process(ring);<br>
                   }<br>
                   <br>
                  -- <br>
                  2.14.1<br>
                  <br>
                  _______________________________________________<br>
                  amd-gfx mailing list<br>
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                    href="mailto:amd-gfx@lists.freedesktop.org"
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                    href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx"
                    moz-do-not-send="true">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><br>
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