From 78122127a4180306e2360b7a9e418eed21f76cf3 Mon Sep 17 00:00:00 2001 From: Shaoyun Liu Date: Tue, 14 Aug 2018 13:30:00 -0400 Subject: [PATCH] drm/amdgpu: Add place holder functions for xgmi topology interface with psp Add dummy function for xgmi function interface with psp Signed-off-by: Shaoyun Liu Reviewed-by: Felix Kuehling Reviewed-by: Huang Rui Signed-off-by: Alex Deucher --- 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 b70cfa3fe1b2..9217af00bc8d 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) -- 2.30.2