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drm/amd/amdgpu: Tidy up gfx_v9_0_enable_sck_slow_down_on_power_down()

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Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2017-08-31 09:02:33 -04:00 committed by Alex Deucher
parent e24c7f06db
commit b926fe8efc
1 changed files with 5 additions and 10 deletions
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15
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@ -1856,16 +1856,11 @@ static void gfx_v9_0_enable_sck_slow_down_on_power_down(struct amdgpu_device *ad
uint32_t default_data = 0;
default_data = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL));
if (enable == true) {
data |= RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PD_ENABLE_MASK;
if(default_data != data)
WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL), data);
} else {
data &= ~RLC_PG_CNTL__SMU_CLK_SLOWDOWN_ON_PD_ENABLE_MASK;
if(default_data != data)
WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL), data);
}
data = REG_SET_FIELD(data, RLC_PG_CNTL,
SMU_CLK_SLOWDOWN_ON_PD_ENABLE,
enable ? 1 : 0);
if(default_data != data)
WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL), data);
}
static void gfx_v9_0_enable_cp_power_gating(struct amdgpu_device *adev,