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drm/amd/amdgpu: Tidy up gfx_v9_0_enable_cp_power_gating() 

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 09:12:47 -04:00 committed by Alex Deucher
parent b926fe8efc
commit 54cfe0fc54
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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@ -1870,16 +1870,11 @@ static void gfx_v9_0_enable_cp_power_gating(struct amdgpu_device *adev,
uint32_t default_data = 0;
default_data = data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL));
if (enable == true) {
data &= ~RLC_PG_CNTL__CP_PG_DISABLE_MASK;
if(default_data != data)
WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL), data);
} else {
data |= RLC_PG_CNTL__CP_PG_DISABLE_MASK;
if(default_data != data)
WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL), data);
}
data = REG_SET_FIELD(data, RLC_PG_CNTL,
CP_PG_DISABLE,
enable ? 0 : 1);
if(default_data != data)
WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_CNTL), data);
}
static void gfx_v9_0_enable_gfx_cg_power_gating(struct amdgpu_device *adev,