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path: root/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c585
1 files changed, 585 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
new file mode 100644
index 000000000000..dbfe48d1207a
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -0,0 +1,585 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "amdgpu.h"
+#include "mmhub_v1_0.h"
+
+#include "vega10/soc15ip.h"
+#include "vega10/MMHUB/mmhub_1_0_offset.h"
+#include "vega10/MMHUB/mmhub_1_0_sh_mask.h"
+#include "vega10/MMHUB/mmhub_1_0_default.h"
+#include "vega10/ATHUB/athub_1_0_offset.h"
+#include "vega10/ATHUB/athub_1_0_sh_mask.h"
+#include "vega10/ATHUB/athub_1_0_default.h"
+#include "vega10/vega10_enum.h"
+
+#include "soc15_common.h"
+
+u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
+{
+ u64 base = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE));
+
+ base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
+ base <<= 24;
+
+ return base;
+}
+
+int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
+{
+ u32 tmp;
+ u64 value;
+ uint64_t addr;
+ u32 i;
+
+ /* Program MC. */
+ /* Update configuration */
+ DRM_INFO("%s -- in\n", __func__);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR),
+ adev->mc.vram_start >> 18);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR),
+ adev->mc.vram_end >> 18);
+ value = adev->vram_scratch.gpu_addr - adev->mc.vram_start +
+ adev->vm_manager.vram_base_offset;
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB),
+ (u32)(value >> 12));
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB),
+ (u32)(value >> 44));
+
+ if (amdgpu_sriov_vf(adev)) {
+ /* MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are VF copy registers so
+ vbios post doesn't program them, for SRIOV driver need to program them */
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE),
+ adev->mc.vram_start >> 24);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP),
+ adev->mc.vram_end >> 24);
+ }
+
+ /* Disable AGP. */
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_BASE), 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_TOP), 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_BOT), 0x00FFFFFF);
+
+ /* GART Enable. */
+
+ /* Setup TLB control */
+ tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL));
+ tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
+ tmp = REG_SET_FIELD(tmp,
+ MC_VM_MX_L1_TLB_CNTL,
+ SYSTEM_ACCESS_MODE,
+ 3);
+ tmp = REG_SET_FIELD(tmp,
+ MC_VM_MX_L1_TLB_CNTL,
+ ENABLE_ADVANCED_DRIVER_MODEL,
+ 1);
+ tmp = REG_SET_FIELD(tmp,
+ MC_VM_MX_L1_TLB_CNTL,
+ SYSTEM_APERTURE_UNMAPPED_ACCESS,
+ 0);
+ tmp = REG_SET_FIELD(tmp,
+ MC_VM_MX_L1_TLB_CNTL,
+ ECO_BITS,
+ 0);
+ tmp = REG_SET_FIELD(tmp,
+ MC_VM_MX_L1_TLB_CNTL,
+ MTYPE,
+ MTYPE_UC);/* XXX for emulation. */
+ tmp = REG_SET_FIELD(tmp,
+ MC_VM_MX_L1_TLB_CNTL,
+ ATC_EN,
+ 1);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
+
+ /* Setup L2 cache */
+ tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL));
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
+ tmp = REG_SET_FIELD(tmp,
+ VM_L2_CNTL,
+ ENABLE_L2_FRAGMENT_PROCESSING,
+ 0);
+ tmp = REG_SET_FIELD(tmp,
+ VM_L2_CNTL,
+ L2_PDE0_CACHE_TAG_GENERATION_MODE,
+ 0);/* XXX for emulation, Refer to closed source code.*/
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 1);
+ tmp = REG_SET_FIELD(tmp,
+ VM_L2_CNTL,
+ CONTEXT1_IDENTITY_ACCESS_MODE,
+ 1);
+ tmp = REG_SET_FIELD(tmp,
+ VM_L2_CNTL,
+ IDENTITY_MODE_FRAGMENT_SIZE,
+ 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp);
+
+ tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2));
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2), tmp);
+
+ tmp = mmVM_L2_CNTL3_DEFAULT;
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), tmp);
+
+ tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4));
+ tmp = REG_SET_FIELD(tmp,
+ VM_L2_CNTL4,
+ VMC_TAP_PDE_REQUEST_PHYSICAL,
+ 0);
+ tmp = REG_SET_FIELD(tmp,
+ VM_L2_CNTL4,
+ VMC_TAP_PTE_REQUEST_PHYSICAL,
+ 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4), tmp);
+
+ /* setup context0 */
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),
+ (u32)(adev->mc.gtt_start >> 12));
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),
+ (u32)(adev->mc.gtt_start >> 44));
+
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),
+ (u32)(adev->mc.gtt_end >> 12));
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),
+ (u32)(adev->mc.gtt_end >> 44));
+
+ BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL));
+ value = adev->gart.table_addr - adev->mc.vram_start +
+ adev->vm_manager.vram_base_offset;
+ value &= 0x0000FFFFFFFFF000ULL;
+ value |= 0x1; /* valid bit */
+
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32),
+ (u32)value);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32),
+ (u32)(value >> 32));
+
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),
+ (u32)(adev->dummy_page.addr >> 12));
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32),
+ (u32)((u64)adev->dummy_page.addr >> 44));
+
+ tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2));
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
+ ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY,
+ 1);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2), tmp);
+
+ addr = SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
+ tmp = RREG32(addr);
+
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL), tmp);
+
+ tmp = RREG32(addr);
+
+ /* Disable identity aperture.*/
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32), 0XFFFFFFFF);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);
+
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);
+
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
+
+ for (i = 0; i <= 14; i++) {
+ tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL)
+ + i);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ ENABLE_CONTEXT, 1);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ PAGE_TABLE_DEPTH, adev->vm_manager.num_level);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ PAGE_TABLE_BLOCK_SIZE,
+ adev->vm_manager.block_size - 9);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL) + i, tmp);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2,
+ lower_32_bits(adev->vm_manager.max_pfn - 1));
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2,
+ upper_32_bits(adev->vm_manager.max_pfn - 1));
+ }
+
+ return 0;
+}
+
+void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
+{
+ u32 tmp;
+ u32 i;
+
+ /* Disable all tables */
+ for (i = 0; i < 16; i++)
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL) + i, 0);
+
+ /* Setup TLB control */
+ tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL));
+ tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
+ tmp = REG_SET_FIELD(tmp,
+ MC_VM_MX_L1_TLB_CNTL,
+ ENABLE_ADVANCED_DRIVER_MODEL,
+ 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL), tmp);
+
+ /* Setup L2 cache */
+ tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL));
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), 0);
+}
+
+/**
+ * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling
+ *
+ * @adev: amdgpu_device pointer
+ * @value: true redirects VM faults to the default page
+ */
+void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
+{
+ u32 tmp;
+ tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL));
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp,
+ VM_L2_PROTECTION_FAULT_CNTL,
+ TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
+ value);
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
+ EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL), tmp);
+}
+
+static int mmhub_v1_0_early_init(void *handle)
+{
+ return 0;
+}
+
+static int mmhub_v1_0_late_init(void *handle)
+{
+ return 0;
+}
+
+static int mmhub_v1_0_sw_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB];
+
+ hub->ctx0_ptb_addr_lo32 =
+ SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
+ hub->ctx0_ptb_addr_hi32 =
+ SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+ hub->vm_inv_eng0_req =
+ SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ);
+ hub->vm_inv_eng0_ack =
+ SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ACK);
+ hub->vm_context0_cntl =
+ SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
+ hub->vm_l2_pro_fault_status =
+ SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
+ hub->vm_l2_pro_fault_cntl =
+ SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
+
+ return 0;
+}
+
+static int mmhub_v1_0_sw_fini(void *handle)
+{
+ return 0;
+}
+
+static int mmhub_v1_0_hw_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ unsigned i;
+
+ for (i = 0; i < 18; ++i) {
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32) +
+ 2 * i, 0xffffffff);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32) +
+ 2 * i, 0x1f);
+ }
+
+ return 0;
+}
+
+static int mmhub_v1_0_hw_fini(void *handle)
+{
+ return 0;
+}
+
+static int mmhub_v1_0_suspend(void *handle)
+{
+ return 0;
+}
+
+static int mmhub_v1_0_resume(void *handle)
+{
+ return 0;
+}
+
+static bool mmhub_v1_0_is_idle(void *handle)
+{
+ return true;
+}
+
+static int mmhub_v1_0_wait_for_idle(void *handle)
+{
+ return 0;
+}
+
+static int mmhub_v1_0_soft_reset(void *handle)
+{
+ return 0;
+}
+
+static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t def, data, def1, data1, def2, data2;
+
+ def = data = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG));
+ def1 = data1 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2));
+ def2 = data2 = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB1_CNTL_MISC2));
+
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
+ data |= ATC_L2_MISC_CG__ENABLE_MASK;
+
+ data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+
+ data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+ } else {
+ data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
+
+ data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+
+ data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
+ }
+
+ if (def != data)
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG), data);
+
+ if (def1 != data1)
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB0_CNTL_MISC2), data1);
+
+ if (def2 != data2)
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmDAGB1_CNTL_MISC2), data2);
+}
+
+static void athub_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t def, data;
+
+ def = data = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL));
+
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
+ data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
+ else
+ data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
+
+ if (def != data)
+ WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL), data);
+}
+
+static void mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t def, data;
+
+ def = data = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG));
+
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
+ data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
+ else
+ data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
+
+ if (def != data)
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG), data);
+}
+
+static void athub_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+ bool enable)
+{
+ uint32_t def, data;
+
+ def = data = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL));
+
+ if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
+ (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
+ data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
+ else
+ data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
+
+ if(def != data)
+ WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL), data);
+}
+
+static int mmhub_v1_0_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
+ switch (adev->asic_type) {
+ case CHIP_VEGA10:
+ mmhub_v1_0_update_medium_grain_clock_gating(adev,
+ state == AMD_CG_STATE_GATE ? true : false);
+ athub_update_medium_grain_clock_gating(adev,
+ state == AMD_CG_STATE_GATE ? true : false);
+ mmhub_v1_0_update_medium_grain_light_sleep(adev,
+ state == AMD_CG_STATE_GATE ? true : false);
+ athub_update_medium_grain_light_sleep(adev,
+ state == AMD_CG_STATE_GATE ? true : false);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static void mmhub_v1_0_get_clockgating_state(void *handle, u32 *flags)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int data;
+
+ if (amdgpu_sriov_vf(adev))
+ *flags = 0;
+
+ /* AMD_CG_SUPPORT_MC_MGCG */
+ data = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATHUB_MISC_CNTL));
+ if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
+ *flags |= AMD_CG_SUPPORT_MC_MGCG;
+
+ /* AMD_CG_SUPPORT_MC_LS */
+ data = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmATC_L2_MISC_CG));
+ if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
+ *flags |= AMD_CG_SUPPORT_MC_LS;
+}
+
+static int mmhub_v1_0_set_powergating_state(void *handle,
+ enum amd_powergating_state state)
+{
+ return 0;
+}
+
+const struct amd_ip_funcs mmhub_v1_0_ip_funcs = {
+ .name = "mmhub_v1_0",
+ .early_init = mmhub_v1_0_early_init,
+ .late_init = mmhub_v1_0_late_init,
+ .sw_init = mmhub_v1_0_sw_init,
+ .sw_fini = mmhub_v1_0_sw_fini,
+ .hw_init = mmhub_v1_0_hw_init,
+ .hw_fini = mmhub_v1_0_hw_fini,
+ .suspend = mmhub_v1_0_suspend,
+ .resume = mmhub_v1_0_resume,
+ .is_idle = mmhub_v1_0_is_idle,
+ .wait_for_idle = mmhub_v1_0_wait_for_idle,
+ .soft_reset = mmhub_v1_0_soft_reset,
+ .set_clockgating_state = mmhub_v1_0_set_clockgating_state,
+ .set_powergating_state = mmhub_v1_0_set_powergating_state,
+ .get_clockgating_state = mmhub_v1_0_get_clockgating_state,
+};
+
+const struct amdgpu_ip_block_version mmhub_v1_0_ip_block =
+{
+ .type = AMD_IP_BLOCK_TYPE_MMHUB,
+ .major = 1,
+ .minor = 0,
+ .rev = 0,
+ .funcs = &mmhub_v1_0_ip_funcs,
+};