drm/amdgpu: set gfx clock gating for tonga/polaris.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 6da7d94..f490691 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -5979,6 +5979,76 @@
return 0;
}
+static int gfx_v8_0_tonga_update_gfx_clock_gating(struct amdgpu_device *adev,
+ enum amd_clockgating_state state)
+{
+ uint32_t msg_id, pp_state;
+ void *pp_handle = adev->powerplay.pp_handle;
+
+ if (state == AMD_CG_STATE_UNGATE)
+ pp_state = 0;
+ else
+ pp_state = PP_STATE_CG | PP_STATE_LS;
+
+ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX,
+ PP_BLOCK_GFX_CG,
+ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
+ pp_state);
+ amd_set_clockgating_by_smu(pp_handle, msg_id);
+
+ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX,
+ PP_BLOCK_GFX_MG,
+ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
+ pp_state);
+ amd_set_clockgating_by_smu(pp_handle, msg_id);
+
+ return 0;
+}
+
+static int gfx_v8_0_polaris_update_gfx_clock_gating(struct amdgpu_device *adev,
+ enum amd_clockgating_state state)
+{
+ uint32_t msg_id, pp_state;
+ void *pp_handle = adev->powerplay.pp_handle;
+
+ if (state == AMD_CG_STATE_UNGATE)
+ pp_state = 0;
+ else
+ pp_state = PP_STATE_CG | PP_STATE_LS;
+
+ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX,
+ PP_BLOCK_GFX_CG,
+ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
+ pp_state);
+ amd_set_clockgating_by_smu(pp_handle, msg_id);
+
+ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX,
+ PP_BLOCK_GFX_3D,
+ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
+ pp_state);
+ amd_set_clockgating_by_smu(pp_handle, msg_id);
+
+ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX,
+ PP_BLOCK_GFX_MG,
+ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
+ pp_state);
+ amd_set_clockgating_by_smu(pp_handle, msg_id);
+
+ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX,
+ PP_BLOCK_GFX_RLC,
+ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
+ pp_state);
+ amd_set_clockgating_by_smu(pp_handle, msg_id);
+
+ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX,
+ PP_BLOCK_GFX_CP,
+ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
+ pp_state);
+ amd_set_clockgating_by_smu(pp_handle, msg_id);
+
+ return 0;
+}
+
static int gfx_v8_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
@@ -5991,6 +6061,13 @@
gfx_v8_0_update_gfx_clock_gating(adev,
state == AMD_CG_STATE_GATE ? true : false);
break;
+ case CHIP_TONGA:
+ gfx_v8_0_tonga_update_gfx_clock_gating(adev, state);
+ break;
+ case CHIP_POLARIS10:
+ case CHIP_POLARIS11:
+ gfx_v8_0_polaris_update_gfx_clock_gating(adev, state);
+ break;
default:
break;
}