PSP will disable legacy mmhub PG setting that is programming
registers, and drive will use SMC message to
set it up.
Signed-off-by: Eric Huang <JinHuiEric.Huang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h | 4 ++++
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 3 +++
drivers/gpu/drm/amd/include/kgd_pp_interface.h | 1 +
3 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
index c489c69..bd745a4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
@@ -375,6 +375,10 @@ enum amdgpu_pcie_gen {
((adev)->powerplay.pp_funcs->odn_edit_dpm_table(\
(adev)->powerplay.pp_handle, type, parameter, size))
+#define amdgpu_dpm_set_mmhub_powergating_by_smu(adev) \
+ ((adev)->powerplay.pp_funcs->set_mmhub_powergating_by_smu( \
+ (adev)->powerplay.pp_handle))
+
struct amdgpu_dpm {
struct amdgpu_ps *ps;
/* number of valid power states */
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 82f8bc8..d0ade9f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -471,6 +471,9 @@ void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
RENG_EXECUTE_ON_REG_UPDATE, 1);
WREG32_SOC15(MMHUB, 0, mmPCTL1_RENG_EXECUTE, pctl1_reng_execute);
+ if (adev->powerplay.pp_funcs->set_mmhub_powergating_by_smu)
+ amdgpu_dpm_set_mmhub_powergating_by_smu(adev);
+
} else {
pctl0_reng_execute = REG_SET_FIELD(pctl0_reng_execute,
PCTL0_RENG_EXECUTE,
diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index 1fc995b..4f69fe8 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -310,6 +310,7 @@ struct amd_pm_funcs {
int (*get_power_profile_mode)(void *handle, char *buf);
int (*set_power_profile_mode)(void *handle, long *input, uint32_t size);
int (*odn_edit_dpm_table)(void *handle, uint32_t type, long *input, uint32_t size);
+ int (*set_mmhub_powergating_by_smu)(void *handle);
};
#endif
--
2.7.4
