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authorLijo Lazar <lijo.lazar@amd.com>2024-09-02 11:20:22 +0530
committerAlex Deucher <alexander.deucher@amd.com>2024-09-26 17:07:07 -0400
commit0ff382261371f76411c8a74d3feea89948af3b81 (patch)
treead104c81b4a8c3ef0581ed3fc54668650da5400b
parentc4f00312c10187c92f7f3f700e42b508109266f3 (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>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c13
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/psp_v13_0.c25
3 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 7452b2dd775b..944dad9ad29f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -2266,6 +2266,19 @@ bool amdgpu_psp_get_ras_capability(struct psp_context *psp)
}
}
+bool amdgpu_psp_tos_reload_needed(struct amdgpu_device *adev)
+{
+ struct psp_context *psp = &adev->psp;
+
+ if (amdgpu_sriov_vf(adev))
+ return false;
+
+ if (psp->funcs && psp->funcs->is_reload_needed)
+ return psp->funcs->is_reload_needed(psp);
+
+ return false;
+}
+
static int psp_hw_start(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index f61ba076573c..76fa18ffc045 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -139,6 +139,7 @@ struct psp_funcs {
int (*fatal_error_recovery_quirk)(struct psp_context *psp);
bool (*get_ras_capability)(struct psp_context *psp);
bool (*is_aux_sos_load_required)(struct psp_context *psp);
+ bool (*is_reload_needed)(struct psp_context *psp);
};
struct ta_funcs {
@@ -560,5 +561,6 @@ bool amdgpu_psp_get_ras_capability(struct psp_context *psp);
int psp_config_sq_perfmon(struct psp_context *psp, uint32_t xcp_id,
bool core_override_enable, bool reg_override_enable, bool perfmon_override_enable);
+bool amdgpu_psp_tos_reload_needed(struct amdgpu_device *adev);
#endif
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)