From: Brajesh Gupta Date: Tue, 19 May 2026 08:25:27 +0000 (+0530) Subject: drm/imagination: Don't timeout job if its fence has been signaled X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee7cb742531432ec1bb29b996e3363aacd860054;p=thirdparty%2Fkernel%2Flinux.git drm/imagination: Don't timeout job if its fence has been signaled Verify the job’s fence in the timeout handler; if the firmware has since signaled completion, then report NO HANG. Signed-off-by: Brajesh Gupta Reviewed-by: Matt Coster Link: https://patch.msgid.link/20260519-b4-context_reset-v2-2-931018a7131d@imgtec.com Signed-off-by: Matt Coster --- diff --git a/drivers/gpu/drm/imagination/pvr_queue.c b/drivers/gpu/drm/imagination/pvr_queue.c index d10a13173f0ff..822e6259674f3 100644 --- a/drivers/gpu/drm/imagination/pvr_queue.c +++ b/drivers/gpu/drm/imagination/pvr_queue.c @@ -851,7 +851,9 @@ static void pvr_queue_start(struct pvr_queue *queue) * the scheduler, and re-assign parent fences in the middle. * * Return: - * * DRM_GPU_SCHED_STAT_RESET. + * *%DRM_GPU_SCHED_STAT_NO_HANG if the job fence has already been + * signaled, or + * *%DRM_GPU_SCHED_STAT_RESET otherwise. */ static enum drm_gpu_sched_stat pvr_queue_timedout_job(struct drm_sched_job *s_job) @@ -862,6 +864,9 @@ pvr_queue_timedout_job(struct drm_sched_job *s_job) struct pvr_job *job; u32 job_count = 0; + if (dma_fence_is_signaled(s_job->s_fence->parent)) + return DRM_GPU_SCHED_STAT_NO_HANG; + dev_err(sched->dev, "Job timeout\n"); /* Before we stop the scheduler, make sure the queue is out of any list, so