<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=windows-1252"> </head> <body text="#000000" bgcolor="#FFFFFF"> <div class="moz-cite-prefix">Am 24.09.2018 um 17:32 schrieb Andrey Grodzovsky: </div> <blockquote type="cite" cite="mid:3f12ea59-0db9-85ca-1374-7678674859f6@amd.com"> <meta http-equiv="Content-Type" content="text/html; charset=windows-1252"> <div class="moz-cite-prefix">On 09/24/2018 11:19 AM, Christian König wrote: </div> <blockquote type="cite" cite="mid:b94f9fe1-e351-79e1-0f31-6400197cf64b@gmail.com"> <meta http-equiv="Content-Type" content="text/html; charset=windows-1252"> <div class="moz-cite-prefix">Thanks. 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. Otherwise we could get warnings for long running jobs. </div> </blockquote> Do you mean that you want to know that amdgpu_fence_process was called from the SW fallback timer and print warning only if last_seq != seq and the while loop actually signaled something ? </blockquote> Yeah, something like that. Christian. <blockquote type="cite" cite="mid:3f12ea59-0db9-85ca-1374-7678674859f6@amd.com"> Andrey <blockquote type="cite" cite="mid:b94f9fe1-e351-79e1-0f31-6400197cf64b@gmail.com"> <div class="moz-cite-prefix"> Christian. Am 24.09.2018 um 17:14 schrieb Andrey Grodzovsky: </div> <blockquote type="cite" cite="mid:8971d575-3279-9974-04be-45bb62cb42a3@amd.com"> P.S I pushed it. Thanks, Andrey <div class="moz-cite-prefix">On 09/24/2018 11:13 AM, Andrey Grodzovsky wrote: </div> <blockquote type="cite" cite="mid:4ca8e57b-6927-e6a0-b063-9dc5a4d26952@amd.com"> 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> Andrey <div class="moz-cite-prefix">On 09/24/2018 10:31 AM, Deucher, Alexander wrote: </div> <blockquote type="cite" cite="mid:BN6PR12MB18097AA77D7E8948DE462823F7170@BN6PR12MB1809.namprd12.prod.outlook.com"> <style type="text/css" style="display:none;"></style> <div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr"> 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> </div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: 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> Sent: Monday, September 24, 2018 8:10:22 AM To: <a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a> Subject: [PATCH] drm/amdgpu: Deactivate SW interrupt fallback in amdgpu_fence_process v2 <div> </div> </div> <div class="BodyFragment"> <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> Deactivate SW interrupt fallback when all emited fences are completed. Also switch interrupt SW fallback message from INFO to WARN. v2: shorten the warnign message a bit and only re-activate the timer during processing if it was already activated before. 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> 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> --- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 1ae25835cad1..4e6e9c9654dd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -229,7 +229,8 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) } while (atomic_cmpxchg(&drv->last_seq, last_seq, seq) != last_seq); - if (seq != ring->fence_drv.sync_seq) + if (del_timer(&ring->fence_drv.fallback_timer) && + seq != ring->fence_drv.sync_seq) amdgpu_fence_schedule_fallback(ring); if (unlikely(seq == last_seq)) @@ -274,7 +275,7 @@ static void amdgpu_fence_fallback(struct timer_list *t) struct amdgpu_ring *ring = from_timer(ring, t, fence_drv.fallback_timer); - DRM_INFO("Fallback to SW interrupt on ring %s due to HW interrupt time out", ring->name); + DRM_WARN("Fence fallback timer expired on ring %s\n", ring->name); amdgpu_fence_process(ring); } -- 2.14.1 _______________________________________________ amd-gfx mailing list <a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a> <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx" moz-do-not-send="true">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a> </div> </div> <fieldset class="mimeAttachmentHeader"></fieldset> <pre wrap="">_______________________________________________ amd-gfx mailing list <a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a> <a class="moz-txt-link-freetext" href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx" moz-do-not-send="true">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a> </pre> </blockquote> <fieldset class="mimeAttachmentHeader"></fieldset> <pre wrap="">_______________________________________________ amd-gfx mailing list <a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a> <a class="moz-txt-link-freetext" href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx" moz-do-not-send="true">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a> </pre> </blockquote> </blockquote> </blockquote> <fieldset class="mimeAttachmentHeader"></fieldset> <pre wrap="">_______________________________________________ amd-gfx mailing list <a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a> <a class="moz-txt-link-freetext" href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a> </pre> </blockquote> </body> </html>