From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 177 +++++++++++++++++++++++++++++++++- 1 file changed, 176 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 779634c71..4d77b7d25 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -448,6 +448,10 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev) adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; adev->mc.visible_vram_size = adev->mc.aper_size; + /* In case the PCI BAR is larger than the actual amount of vram */ + if (adev->mc.visible_vram_size > adev->mc.real_vram_size) + adev->mc.visible_vram_size = adev->mc.real_vram_size; + /* unless the user had overridden it, set the gart * size equal to the 1024 or vram, whichever is larger. */ @@ -1005,7 +1009,6 @@ static int gmc_v8_0_suspend(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (adev->vm_manager.enabled) { - amdgpu_vm_manager_fini(adev); gmc_v8_0_vm_fini(adev); adev->vm_manager.enabled = false; } @@ -1296,9 +1299,181 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, return 0; } +static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t data; + + if (enable) { + data = RREG32(mmMC_HUB_MISC_HUB_CG); + data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK; + WREG32(mmMC_HUB_MISC_HUB_CG, data); + + data = RREG32(mmMC_HUB_MISC_SIP_CG); + data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK; + WREG32(mmMC_HUB_MISC_SIP_CG, data); + + data = RREG32(mmMC_HUB_MISC_VM_CG); + data |= MC_HUB_MISC_VM_CG__ENABLE_MASK; + WREG32(mmMC_HUB_MISC_VM_CG, data); + + data = RREG32(mmMC_XPB_CLK_GAT); + data |= MC_XPB_CLK_GAT__ENABLE_MASK; + WREG32(mmMC_XPB_CLK_GAT, data); + + data = RREG32(mmATC_MISC_CG); + data |= ATC_MISC_CG__ENABLE_MASK; + WREG32(mmATC_MISC_CG, data); + + data = RREG32(mmMC_CITF_MISC_WR_CG); + data |= MC_CITF_MISC_WR_CG__ENABLE_MASK; + WREG32(mmMC_CITF_MISC_WR_CG, data); + + data = RREG32(mmMC_CITF_MISC_RD_CG); + data |= MC_CITF_MISC_RD_CG__ENABLE_MASK; + WREG32(mmMC_CITF_MISC_RD_CG, data); + + data = RREG32(mmMC_CITF_MISC_VM_CG); + data |= MC_CITF_MISC_VM_CG__ENABLE_MASK; + WREG32(mmMC_CITF_MISC_VM_CG, data); + + data = RREG32(mmVM_L2_CG); + data |= VM_L2_CG__ENABLE_MASK; + WREG32(mmVM_L2_CG, data); + } else { + data = RREG32(mmMC_HUB_MISC_HUB_CG); + data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK; + WREG32(mmMC_HUB_MISC_HUB_CG, data); + + data = RREG32(mmMC_HUB_MISC_SIP_CG); + data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK; + WREG32(mmMC_HUB_MISC_SIP_CG, data); + + data = RREG32(mmMC_HUB_MISC_VM_CG); + data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK; + WREG32(mmMC_HUB_MISC_VM_CG, data); + + data = RREG32(mmMC_XPB_CLK_GAT); + data &= ~MC_XPB_CLK_GAT__ENABLE_MASK; + WREG32(mmMC_XPB_CLK_GAT, data); + + data = RREG32(mmATC_MISC_CG); + data &= ~ATC_MISC_CG__ENABLE_MASK; + WREG32(mmATC_MISC_CG, data); + + data = RREG32(mmMC_CITF_MISC_WR_CG); + data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK; + WREG32(mmMC_CITF_MISC_WR_CG, data); + + data = RREG32(mmMC_CITF_MISC_RD_CG); + data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK; + WREG32(mmMC_CITF_MISC_RD_CG, data); + + data = RREG32(mmMC_CITF_MISC_VM_CG); + data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK; + WREG32(mmMC_CITF_MISC_VM_CG, data); + + data = RREG32(mmVM_L2_CG); + data &= ~VM_L2_CG__ENABLE_MASK; + WREG32(mmVM_L2_CG, data); + } +} + +static void fiji_update_mc_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t data; + + if (enable) { + data = RREG32(mmMC_HUB_MISC_HUB_CG); + data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_HUB_MISC_HUB_CG, data); + + data = RREG32(mmMC_HUB_MISC_SIP_CG); + data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_HUB_MISC_SIP_CG, data); + + data = RREG32(mmMC_HUB_MISC_VM_CG); + data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_HUB_MISC_VM_CG, data); + + data = RREG32(mmMC_XPB_CLK_GAT); + data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK; + WREG32(mmMC_XPB_CLK_GAT, data); + + data = RREG32(mmATC_MISC_CG); + data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK; + WREG32(mmATC_MISC_CG, data); + + data = RREG32(mmMC_CITF_MISC_WR_CG); + data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_CITF_MISC_WR_CG, data); + + data = RREG32(mmMC_CITF_MISC_RD_CG); + data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_CITF_MISC_RD_CG, data); + + data = RREG32(mmMC_CITF_MISC_VM_CG); + data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_CITF_MISC_VM_CG, data); + + data = RREG32(mmVM_L2_CG); + data |= VM_L2_CG__MEM_LS_ENABLE_MASK; + WREG32(mmVM_L2_CG, data); + } else { + data = RREG32(mmMC_HUB_MISC_HUB_CG); + data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_HUB_MISC_HUB_CG, data); + + data = RREG32(mmMC_HUB_MISC_SIP_CG); + data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_HUB_MISC_SIP_CG, data); + + data = RREG32(mmMC_HUB_MISC_VM_CG); + data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_HUB_MISC_VM_CG, data); + + data = RREG32(mmMC_XPB_CLK_GAT); + data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK; + WREG32(mmMC_XPB_CLK_GAT, data); + + data = RREG32(mmATC_MISC_CG); + data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK; + WREG32(mmATC_MISC_CG, data); + + data = RREG32(mmMC_CITF_MISC_WR_CG); + data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_CITF_MISC_WR_CG, data); + + data = RREG32(mmMC_CITF_MISC_RD_CG); + data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_CITF_MISC_RD_CG, data); + + data = RREG32(mmMC_CITF_MISC_VM_CG); + data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK; + WREG32(mmMC_CITF_MISC_VM_CG, data); + + data = RREG32(mmVM_L2_CG); + data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK; + WREG32(mmVM_L2_CG, data); + } +} + static int gmc_v8_0_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_mc_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE ? true : false); + fiji_update_mc_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); + break; + default: + break; + } return 0; } -- cgit v1.2.3-54-g00ecf