aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0344-drm-amdgpu-gmc-add-initial-xgmi-structure-to-amdgpu_.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0344-drm-amdgpu-gmc-add-initial-xgmi-structure-to-amdgpu_.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0344-drm-amdgpu-gmc-add-initial-xgmi-structure-to-amdgpu_.patch54
1 files changed, 54 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0344-drm-amdgpu-gmc-add-initial-xgmi-structure-to-amdgpu_.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/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/meta-amd-bsp/recipes-kernel/linux-4.19/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
+