From a8ca34136453b5a570b514e466f8b0b9efd71df2 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Sun, 18 Sep 2016 16:55:00 +0800 Subject: [PATCH] drm/amdgpu: set gfx clock gating for tonga/polaris. Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 77 +++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 6da7d94925eb..f490691d4b6c 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 @@ static int gfx_v8_0_update_gfx_clock_gating(struct amdgpu_device *adev, 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 @@ static int gfx_v8_0_set_clockgating_state(void *handle, 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; } -- 2.20.1