diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vi.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 25d620790607..67845ee644ad 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -1543,9 +1543,95 @@ static int vi_common_soft_reset(void *handle) return 0; } +static void fiji_update_bif_medium_grain_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t temp, data; + + temp = data = RREG32_PCIE(ixPCIE_CNTL2); + + if (enable) + data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK | + PCIE_CNTL2__MST_MEM_LS_EN_MASK | + PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK; + else + data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK | + PCIE_CNTL2__MST_MEM_LS_EN_MASK | + PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); + + if (temp != data) + WREG32_PCIE(ixPCIE_CNTL2, data); +} + +static void fiji_update_hdp_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t temp, data; + + temp = data = RREG32(mmHDP_HOST_PATH_CNTL); + + if (enable) + data &= ~HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK; + else + data |= HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK; + + if (temp != data) + WREG32(mmHDP_HOST_PATH_CNTL, data); +} + +static void fiji_update_hdp_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t temp, data; + + temp = data = RREG32(mmHDP_MEM_POWER_LS); + + if (enable) + data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK; + else + data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK; + + if (temp != data) + WREG32(mmHDP_MEM_POWER_LS, data); +} + +static void fiji_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t temp, data; + + temp = data = RREG32_SMC(ixCGTT_ROM_CLK_CTRL0); + + if (enable) + data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK | + CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK); + else + data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK | + CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK; + + if (temp != data) + WREG32_SMC(ixCGTT_ROM_CLK_CTRL0, data); +} + static int vi_common_set_clockgating_state(void *handle, enum amd_clockgating_state state) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + switch (adev->asic_type) { + case CHIP_FIJI: + fiji_update_bif_medium_grain_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); + fiji_update_hdp_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE ? true : false); + fiji_update_hdp_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); + fiji_update_rom_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE ? true : false); + break; + default: + break; + } return 0; } |