diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2024-09-02 11:20:22 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-09-26 17:07:07 -0400 |
| commit | 0ff382261371f76411c8a74d3feea89948af3b81 (patch) | |
| tree | ad104c81b4a8c3ef0581ed3fc54668650da5400b /drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | |
| parent | c4f00312c10187c92f7f3f700e42b508109266f3 (diff) | |
drm/amdgpu: Add interface for TOS reload cases
Add interface to check if a different TOS needs to be loaded than the
one which is which is already active on the SOC. Presently the interface
is restricted to specific variants of PSPv13.0.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Tested-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v13_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c index 51e470e8d67d..c4b775aaee9f 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c @@ -823,6 +823,30 @@ static bool psp_v13_0_is_aux_sos_load_required(struct psp_context *psp) return (pmfw_ver < 0x557300); } +static bool psp_v13_0_is_reload_needed(struct psp_context *psp) +{ + uint32_t ucode_ver; + + if (!psp_v13_0_is_sos_alive(psp)) + return false; + + /* Restrict reload support only to specific IP versions */ + switch (amdgpu_ip_version(psp->adev, MP0_HWIP, 0)) { + case IP_VERSION(13, 0, 2): + case IP_VERSION(13, 0, 6): + case IP_VERSION(13, 0, 14): + /* TOS version read from microcode header */ + ucode_ver = psp->sos.fw_version; + /* Read TOS version from hardware */ + psp_v13_0_init_sos_version(psp); + return (ucode_ver != psp->sos.fw_version); + default: + return false; + } + + return false; +} + static const struct psp_funcs psp_v13_0_funcs = { .init_microcode = psp_v13_0_init_microcode, .wait_for_bootloader = psp_v13_0_wait_for_bootloader_steady_state, @@ -847,6 +871,7 @@ static const struct psp_funcs psp_v13_0_funcs = { .fatal_error_recovery_quirk = psp_v13_0_fatal_error_recovery_quirk, .get_ras_capability = psp_v13_0_get_ras_capability, .is_aux_sos_load_required = psp_v13_0_is_aux_sos_load_required, + .is_reload_needed = psp_v13_0_is_reload_needed, }; void psp_v13_0_set_psp_funcs(struct psp_context *psp) |