diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5396-drm-amdgpu-Add-place-holder-functions-for-xgmi-topol.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5396-drm-amdgpu-Add-place-holder-functions-for-xgmi-topol.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5396-drm-amdgpu-Add-place-holder-functions-for-xgmi-topol.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5396-drm-amdgpu-Add-place-holder-functions-for-xgmi-topol.patch new file mode 100644 index 00000000..bf0efbc7 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5396-drm-amdgpu-Add-place-holder-functions-for-xgmi-topol.patch @@ -0,0 +1,67 @@ +From 83d313b35b447b8efa9e46e2e02bab00427edba3 Mon Sep 17 00:00:00 2001 +From: Shaoyun Liu <Shaoyun.Liu@amd.com> +Date: Tue, 14 Aug 2018 13:30:00 -0400 +Subject: [PATCH 5396/5725] drm/amdgpu: Add place holder functions for xgmi + topology interface with psp + +Add dummy function for xgmi function interface with psp + +Change-Id: I01f35baf5a4b96e9654d448c9892be3cd72c05b7 +Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com> +Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 30 ++++++++++++++++++++++++++++++ + 1 file changed, 30 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +index b70cfa3..9217af0 100644 +--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +@@ -548,6 +548,33 @@ static int psp_v11_0_mode1_reset(struct psp_context *psp) + return 0; + } + ++/* TODO: Fill in follow functions once PSP firmware interface for XGMI is ready. ++ * For now, return success and hack the hive_id so high level code can ++ * start testing ++ */ ++static int psp_v11_0_xgmi_get_topology_info(struct psp_context *psp, ++ int number_devices, struct psp_xgmi_topology_info *topology) ++{ ++ return 0; ++} ++ ++static int psp_v11_0_xgmi_set_topology_info(struct psp_context *psp, ++ int number_devices, struct psp_xgmi_topology_info *topology) ++{ ++ return 0; ++} ++ ++static u64 psp_v11_0_xgmi_get_hive_id(struct psp_context *psp) ++{ ++ u64 hive_id = 0; ++ ++ /* Remove me when we can get correct hive_id through PSP */ ++ if (psp->adev->gmc.xgmi.num_physical_nodes) ++ hive_id = 0x123456789abcdef; ++ ++ return hive_id; ++} ++ + static const struct psp_funcs psp_v11_0_funcs = { + .init_microcode = psp_v11_0_init_microcode, + .bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv, +@@ -560,6 +587,9 @@ static const struct psp_funcs psp_v11_0_funcs = { + .cmd_submit = psp_v11_0_cmd_submit, + .compare_sram_data = psp_v11_0_compare_sram_data, + .mode1_reset = psp_v11_0_mode1_reset, ++ .xgmi_get_topology_info = psp_v11_0_xgmi_get_topology_info, ++ .xgmi_set_topology_info = psp_v11_0_xgmi_set_topology_info, ++ .xgmi_get_hive_id = psp_v11_0_xgmi_get_hive_id, + }; + + void psp_v11_0_set_psp_funcs(struct psp_context *psp) +-- +2.7.4 + |