From df5044c792e25bb6da0162b7d92eb0b5b31b3b4a Mon Sep 17 00:00:00 2001 From: Ben Goz Date: Fri, 8 Dec 2017 23:09:02 -0500 Subject: [PATCH 3430/4131] drm/amdkfd: Add AQL Queue Memory flag on topology This is needed for enabling a user-mode workaround for an AQL queue wrapping HW bug on Tonga. Signed-off-by: Ben Goz Signed-off-by: Felix Kuehling Acked-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 4 ++++ drivers/gpu/drm/amd/amdkfd/kfd_topology.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 80bc71d..e7daf2c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -455,6 +455,10 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr, HSA_CAP_WATCH_POINTS_TOTALBITS_MASK); } + if (dev->gpu->device_info->asic_family == CHIP_TONGA) + dev->node_props.capability |= + HSA_CAP_AQL_QUEUE_DOUBLE_MAP; + sysfs_show_32bit_prop(buffer, "max_engine_clk_fcompute", dev->node_props.max_engine_clk_fcompute); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h index b9f3142..53fca1f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h @@ -45,6 +45,7 @@ #define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0 #define HSA_CAP_DOORBELL_TYPE_1_0 0x1 +#define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000 struct kfd_node_properties { uint32_t cpu_cores_count; -- 2.7.4