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drm/amdgpu: refine set clock gating for tonga/polaris

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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>
This commit is contained in:
Rex Zhu
2016-12-07 19:11:49 +08:00
committed by Alex Deucher
parent ca18b84986
commit 8a19e7fa08
2 changed files with 223 additions and 83 deletions
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141
drivers/gpu/drm/amd/amdgpu/vi.c
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@@ -1203,57 +1203,118 @@ static void vi_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
static int vi_common_set_clockgating_state_by_smu(void *handle,
enum amd_clockgating_state state)
{
uint32_t msg_id, pp_state;
uint32_t msg_id, pp_state = 0;
uint32_t pp_support_state = 0;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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;
if (adev->cg_flags & (AMD_CG_SUPPORT_MC_LS | AMD_CG_SUPPORT_MC_MGCG)) {
if (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) {
pp_support_state = AMD_CG_SUPPORT_MC_LS;
pp_state = PP_STATE_LS;
}
if (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG) {
pp_support_state |= AMD_CG_SUPPORT_MC_MGCG;
pp_state |= PP_STATE_CG;
}
if (state == AMD_CG_STATE_UNGATE)
pp_state = 0;
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_MC,
pp_support_state,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
}
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_MC,
PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
if (adev->cg_flags & (AMD_CG_SUPPORT_SDMA_LS | AMD_CG_SUPPORT_SDMA_MGCG)) {
if (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS) {
pp_support_state = AMD_CG_SUPPORT_SDMA_LS;
pp_state = PP_STATE_LS;
}
if (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG) {
pp_support_state |= AMD_CG_SUPPORT_SDMA_MGCG;
pp_state |= PP_STATE_CG;
}
if (state == AMD_CG_STATE_UNGATE)
pp_state = 0;
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_SDMA,
pp_support_state,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
}
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_SDMA,
PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
if (adev->cg_flags & (AMD_CG_SUPPORT_HDP_LS | AMD_CG_SUPPORT_HDP_MGCG)) {
if (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS) {
pp_support_state = AMD_CG_SUPPORT_HDP_LS;
pp_state = PP_STATE_LS;
}
if (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG) {
pp_support_state |= AMD_CG_SUPPORT_HDP_MGCG;
pp_state |= PP_STATE_CG;
}
if (state == AMD_CG_STATE_UNGATE)
pp_state = 0;
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_HDP,
pp_support_state,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
}
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_HDP,
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_SYS,
PP_BLOCK_SYS_BIF,
PP_STATE_SUPPORT_LS,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
if (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS) {
if (state == AMD_CG_STATE_UNGATE)
pp_state = 0;
else
pp_state = PP_STATE_LS;
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_BIF,
PP_STATE_SUPPORT_CG,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_BIF,
PP_STATE_SUPPORT_LS,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
}
if (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG) {
if (state == AMD_CG_STATE_UNGATE)
pp_state = 0;
else
pp_state = PP_STATE_CG;
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_DRM,
PP_STATE_SUPPORT_LS,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_BIF,
PP_STATE_SUPPORT_CG,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
}
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_ROM,
PP_STATE_SUPPORT_CG,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
if (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS) {
if (state == AMD_CG_STATE_UNGATE)
pp_state = 0;
else
pp_state = PP_STATE_LS;
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_DRM,
PP_STATE_SUPPORT_LS,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
}
if (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG) {
if (state == AMD_CG_STATE_UNGATE)
pp_state = 0;
else
pp_state = PP_STATE_CG;
msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
PP_BLOCK_SYS_ROM,
PP_STATE_SUPPORT_CG,
pp_state);
amd_set_clockgating_by_smu(pp_handle, msg_id);
}
return 0;
}