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drm/amdgpu/gfx9: allow updating sck slowdown and cp pg state 

More stuff for gfx pg.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2017-02-13 18:00:43 +08:00 committed by Alex Deucher
parent 3a6cc4776d
commit 5897c99e5c
1 changed files with 21 additions and 0 deletions
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21
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@ -3399,6 +3399,27 @@ static const struct amdgpu_rlc_funcs gfx_v9_0_rlc_funcs = {
static int gfx_v9_0_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
switch (adev->asic_type) {
case CHIP_RAVEN:
if (adev->pg_flags & AMD_PG_SUPPORT_RLC_SMU_HS) {
gfx_v9_0_enable_sck_slow_down_on_power_up(adev, true);
gfx_v9_0_enable_sck_slow_down_on_power_down(adev, true);
} else {
gfx_v9_0_enable_sck_slow_down_on_power_up(adev, false);
gfx_v9_0_enable_sck_slow_down_on_power_down(adev, false);
}
if (adev->pg_flags & AMD_PG_SUPPORT_CP)
gfx_v9_0_enable_cp_power_gating(adev, true);
else
gfx_v9_0_enable_cp_power_gating(adev, false);
break;
default:
break;
}
return 0;
}