From dfdd4b8a95197d3769563e6f504357d98dd63887 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Fri, 23 Apr 2021 14:37:10 +0800 Subject: drm/amdgpu: implement smuio callback to query socket id get_socket_id is used to query socket id Signed-off-by: Hawking Zhang Reviewed-by: John Clements Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c b/drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c index 079b094c48ad..3c47c94846d6 100644 --- a/drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c +++ b/drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c @@ -88,6 +88,23 @@ static u32 smuio_v13_0_get_die_id(struct amdgpu_device *adev) return die_id; } +/** + * smuio_v13_0_get_socket_id - query socket id from FCH + * + * @adev: amdgpu device pointer + * + * Returns socket id + */ +static u32 smuio_v13_0_get_socket_id(struct amdgpu_device *adev) +{ + u32 data, socket_id; + + data = RREG32_SOC15(SMUIO, 0, regSMUIO_MCM_CONFIG); + socket_id = REG_GET_FIELD(data, SMUIO_MCM_CONFIG, SOCKET_ID); + + return socket_id; +} + /** * smuio_v13_0_supports_host_gpu_xgmi - detect xgmi interface between cpu and gpu/s. * @@ -115,6 +132,7 @@ const struct amdgpu_smuio_funcs smuio_v13_0_funcs = { .get_rom_index_offset = smuio_v13_0_get_rom_index_offset, .get_rom_data_offset = smuio_v13_0_get_rom_data_offset, .get_die_id = smuio_v13_0_get_die_id, + .get_socket_id = smuio_v13_0_get_socket_id, .is_host_gpu_xgmi_supported = smuio_v13_0_is_host_gpu_xgmi_supported, .update_rom_clock_gating = smuio_v13_0_update_rom_clock_gating, .get_clock_gating_state = smuio_v13_0_get_clock_gating_state, -- cgit v1.2.3-70-g09d2