diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3430-drm-amdkfd-Add-AQL-Queue-Memory-flag-on-topology.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3430-drm-amdkfd-Add-AQL-Queue-Memory-flag-on-topology.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3430-drm-amdkfd-Add-AQL-Queue-Memory-flag-on-topology.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3430-drm-amdkfd-Add-AQL-Queue-Memory-flag-on-topology.patch new file mode 100644 index 00000000..c00add49 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3430-drm-amdkfd-Add-AQL-Queue-Memory-flag-on-topology.patch @@ -0,0 +1,47 @@ +From df5044c792e25bb6da0162b7d92eb0b5b31b3b4a Mon Sep 17 00:00:00 2001 +From: Ben Goz <ben.goz@amd.com> +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 <ben.goz@amd.com> +Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> +Acked-by: Oded Gabbay <oded.gabbay@gmail.com> +Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> +--- + 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 + |