From 1bb08f91b0f6b2dd24a1a5bf42875258647ee285 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Sun, 18 Sep 2016 16:54:00 +0800 Subject: [PATCH] drm/amdgpu: set system clock gating for tonga/polaris. Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/vi.c | 61 +++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index a8154d0ac288..63ce7f08d1d5 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -1807,6 +1807,63 @@ static void vi_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev, WREG32_SMC(ixCGTT_ROM_CLK_CTRL0, data); } +static int vi_common_set_clockgating_state_by_smu(void *handle, + enum amd_clockgating_state state) +{ + uint32_t msg_id, pp_state; + 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; + + 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); + + 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); + + 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); + + 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_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_ROM, + PP_STATE_SUPPORT_CG, + pp_state); + amd_set_clockgating_by_smu(pp_handle, msg_id); + + return 0; +} + static int vi_common_set_clockgating_state(void *handle, enum amd_clockgating_state state) { @@ -1832,6 +1889,10 @@ static int vi_common_set_clockgating_state(void *handle, vi_update_hdp_light_sleep(adev, state == AMD_CG_STATE_GATE ? true : false); break; + case CHIP_TONGA: + case CHIP_POLARIS10: + case CHIP_POLARIS11: + vi_common_set_clockgating_state_by_smu(adev, state); default: break; } -- 2.39.5