From: Tom St Denis <tom.stdenis@amd.com>
Date: Thu, 31 Aug 2017 09:02:33 -0400
Subject: drm/amd/amdgpu: Tidy up gfx_v9_0_enable_sck_slow_down_on_power_down()
Git-commit: b926fe8efc54062f984b70e79bd71dddba176816
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1856,16 +1856,11 @@ static void gfx_v9_0_enable_sck_slow_dow
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,