diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0344-drm-amdgpu-gmc-add-initial-xgmi-structure-to-amdgpu_.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0344-drm-amdgpu-gmc-add-initial-xgmi-structure-to-amdgpu_.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0344-drm-amdgpu-gmc-add-initial-xgmi-structure-to-amdgpu_.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0344-drm-amdgpu-gmc-add-initial-xgmi-structure-to-amdgpu_.patch new file mode 100644 index 00000000..9833b050 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0344-drm-amdgpu-gmc-add-initial-xgmi-structure-to-amdgpu_.patch @@ -0,0 +1,54 @@ +From 9bb7de3e5e4a81d7b7cbf657dabaf63044af78c2 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Tue, 19 Jun 2018 16:00:47 -0500 +Subject: [PATCH 0344/2940] drm/amdgpu/gmc: add initial xgmi structure to + amdgpu_gmc structure + +Initial pass at a structure to store xgmi info. xgmi is a high +speed cross gpu interconnect. + +Change-Id: I8b373bd847c857dd7cbefa55d1ede2a8785deb06 +Acked-by: Huang Rui <ray.huang@amd.com> +Acked-by: Slava Abramov <slava.abramov@amd.com> +Reviewed-by :Shaoyun liu <Shaoyun.liu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +index 2be39ef5cfc0..ac94c83dd696 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +@@ -87,6 +87,18 @@ struct amdgpu_gmc_funcs { + u64 *dst, u64 *flags); + }; + ++struct amdgpu_xgmi { ++ /* from psp */ ++ u64 device_id; ++ u64 hive_id; ++ /* fixed per family */ ++ u64 node_segment_size; ++ /* physical node (0-3) */ ++ unsigned physical_node_id; ++ /* number of nodes (0-4) */ ++ unsigned num_physical_nodes; ++}; ++ + struct amdgpu_gmc { + resource_size_t aper_size; + resource_size_t aper_base; +@@ -125,6 +137,8 @@ struct amdgpu_gmc { + atomic_t vm_fault_info_updated; + + const struct amdgpu_gmc_funcs *gmc_funcs; ++ ++ struct amdgpu_xgmi xgmi; + }; + + #define amdgpu_gmc_flush_gpu_tlb(adev, vmid) (adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid)) +-- +2.17.1 + |