From a5b1615529ae088200e6990f3776ff019df672b4 Mon Sep 17 00:00:00 2001 From: Felix Kuehling <Felix.Kuehling@amd.com> Date: Thu, 20 Jun 2019 14:54:35 -0400 Subject: [PATCH] drm/amdkfd: Disable idle optimization for chained runlist This works around difficult-to-reproduce soft hangs on oversubscribed runlists. Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Oak Zeng <Oak.Zeng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> --- drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c index 07f02f8e4fe4e..2d5ddf199bd0d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c @@ -134,6 +134,7 @@ static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer, packet->bitfields4.ib_size = ib_size_in_dwords; packet->bitfields4.chain = chain ? 1 : 0; packet->bitfields4.offload_polling = 0; + packet->bitfields4.chained_runlist_idle_disable = chain ? 1 : 0; packet->bitfields4.valid = 1; packet->bitfields4.process_cnt = concurrent_proc_cnt; packet->ordinal2 = lower_32_bits(ib); -- GitLab