<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <p style="font-family:Arial;font-size:11pt;color:#0078D7;margin:5pt;" align="Left"> [AMD Official Use Only - Internal Distribution Only]<br> </p> <br> <div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div id="appendonsend"></div> <div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> <br> </div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Roy Sun <Roy.Sun@amd.com><br> <b>Sent:</b> Friday, April 23, 2021 6:55 PM<br> <b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br> <b>Cc:</b> Sun, Roy <Roy.Sun@amd.com>; Nieto, David M <David.Nieto@amd.com><br> <b>Subject:</b> [PATCH 1/2] drm/scheduler: Change scheduled fence track</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt"> <div class="PlainText">Update the timestamp of scheduled fence on HW<br> completion of the previous fences<br> <br> This allow more accurate tracking of the fence<br> execution in HW<br> <br> Signed-off-by: David M Nieto <david.nieto@amd.com><br> Signed-off-by: Roy Sun <Roy.Sun@amd.com><br> ---<br> drivers/gpu/drm/scheduler/sched_main.c | 11 +++++++++--<br> 1 file changed, 9 insertions(+), 2 deletions(-)<br> <br> diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c<br> index 92d8de24d0a1..dc05a20a8ef2 100644<br> --- a/drivers/gpu/drm/scheduler/sched_main.c<br> +++ b/drivers/gpu/drm/scheduler/sched_main.c<br> @@ -515,7 +515,7 @@ void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched)<br> EXPORT_SYMBOL(drm_sched_resubmit_jobs);<br> <br> /**<br> - * drm_sched_resubmit_jobs_ext - helper to relunch certain number of jobs from mirror ring list<br> + * drm_sched_resubmit_jobs_ext - helper to relaunch certain number of jobs from pending list<br> *<br> * @sched: scheduler instance<br> * @max: job numbers to relaunch<br> @@ -671,7 +671,7 @@ drm_sched_select_entity(struct drm_gpu_scheduler *sched)<br> static struct drm_sched_job *<br> drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)<br> {<br> - struct drm_sched_job *job;<br> + struct drm_sched_job *job, *next;<br> <br> /*<br> * Don't destroy jobs while the timeout worker is running OR thread<br> @@ -690,6 +690,13 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)<br> if (job && dma_fence_is_signaled(&job->s_fence->finished)) {<br> /* remove job from pending_list */<br> list_del_init(&job->list);<br> + /* account for the next fence in the queue */<br> + next = list_first_entry_or_null(&sched->pending_list,<br> + struct drm_sched_job, list);<br> + if (next) {<br> + next->s_fence->scheduled.timestamp =<br> + job->s_fence->finished.timestamp;<br> + }</div> <div class="PlainText"> <div> <ol> <li><span>the timestamp maybe is invalid, we'd better check DMA_FENCE_FLAG_TIMESTAMP_BIT before use it .<br> </span></li><li><span>when hw_submission > 2, do we need to check rest jobs? not only next.</span></li></ol> <div><span>Thanks,</span></div> </div> <div><span>Kevin.</span></div> <div><span><br> </span></div> </div> <div class="PlainText"> } else {<br> job = NULL;<br> /* queue timeout for next job */<br> -- <br> 2.31.1<br> <br> _______________________________________________<br> amd-gfx mailing list<br> amd-gfx@lists.freedesktop.org<br> <a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7CKevin1.Wang%40amd.com%7C3ac81f3f5c0346115dce08d906464b5e%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637547721248267412%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=XZTXlwgkQuEn%2BflY%2FOuUNUymOMjyOZ5lv7%2BiJR7Wjjk%3D&reserved=0">https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7CKevin1.Wang%40amd.com%7C3ac81f3f5c0346115dce08d906464b5e%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637547721248267412%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=XZTXlwgkQuEn%2BflY%2FOuUNUymOMjyOZ5lv7%2BiJR7Wjjk%3D&reserved=0</a><br> </div> </span></font></div> </div> </body> </html>