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drm/amdgpu: set gfx 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 2016-09-18 16:55:00 +08:00 committed by Alex Deucher
parent 1bb08f91b0
commit a8ca341364
1 changed files with 77 additions and 0 deletions

77
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View File

@ -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;
}