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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 <Shaoyun.Liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Shaoyun Liu 2018-08-14 13:30:00 -04:00 committed by Alex Deucher
parent 6449724058
commit 78122127a4
1 changed files with 30 additions and 0 deletions
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30
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
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@ -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)