Skip to content

Commit

Permalink
drm/amdkfd: Fixup incorrect info in the CZ CRAT table
Browse files Browse the repository at this point in the history
* Wrong value for max_waves_per_simd
* Missing ATC capability bit

Signed-off-by: Philip Cox <Philip.Cox@amd.com>
Signed-off-by: Kent Russell <kent.russell@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>
  • Loading branch information
Philip Cox authored and Oded Gabbay committed Dec 9, 2017
1 parent f475734 commit 70f372b
Showing 1 changed file with 6 additions and 3 deletions.
9 changes: 6 additions & 3 deletions drivers/gpu/drm/amd/amdkfd/kfd_topology.c
Original file line number Diff line number Diff line change
Expand Up @@ -1229,12 +1229,15 @@ int kfd_topology_add_device(struct kfd_dev *gpu)
/* Fix errors in CZ CRAT.
* simd_count: Carrizo CRAT reports wrong simd_count, probably
* because it doesn't consider masked out CUs
* capability flag: Carrizo CRAT doesn't report IOMMU
* flags. TODO: Fix this.
* max_waves_per_simd: Carrizo reports wrong max_waves_per_simd
* capability flag: Carrizo CRAT doesn't report IOMMU flags
*/
if (dev->gpu->device_info->asic_family == CHIP_CARRIZO)
if (dev->gpu->device_info->asic_family == CHIP_CARRIZO) {
dev->node_props.simd_count =
cu_info.simd_per_cu * cu_info.cu_active_number;
dev->node_props.max_waves_per_simd = 10;
dev->node_props.capability |= HSA_CAP_ATS_PRESENT;
}

kfd_debug_print_topology();

Expand Down

0 comments on commit 70f372b

Please sign in to comment.