X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Famd%2Famdgpu%2Fvi.c;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Famd%2Famdgpu%2Fvi.c;h=3e9cbe398151f7a62d1177c69f16e61f09bc1a0f;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=0000000000000000000000000000000000000000;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/amd/amdgpu/vi.c b/kernel/drivers/gpu/drm/amd/amdgpu/vi.c
new file mode 100644
index 000000000..3e9cbe398
--- /dev/null
+++ b/kernel/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -0,0 +1,1547 @@
+/*
+ * Copyright 2014 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 <linux/firmware.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include "drmP.h"
+#include "amdgpu.h"
+#include "amdgpu_atombios.h"
+#include "amdgpu_ih.h"
+#include "amdgpu_uvd.h"
+#include "amdgpu_vce.h"
+#include "amdgpu_ucode.h"
+#include "atom.h"
+
+#include "gmc/gmc_8_1_d.h"
+#include "gmc/gmc_8_1_sh_mask.h"
+
+#include "oss/oss_3_0_d.h"
+#include "oss/oss_3_0_sh_mask.h"
+
+#include "bif/bif_5_0_d.h"
+#include "bif/bif_5_0_sh_mask.h"
+
+#include "gca/gfx_8_0_d.h"
+#include "gca/gfx_8_0_sh_mask.h"
+
+#include "smu/smu_7_1_1_d.h"
+#include "smu/smu_7_1_1_sh_mask.h"
+
+#include "uvd/uvd_5_0_d.h"
+#include "uvd/uvd_5_0_sh_mask.h"
+
+#include "vce/vce_3_0_d.h"
+#include "vce/vce_3_0_sh_mask.h"
+
+#include "dce/dce_10_0_d.h"
+#include "dce/dce_10_0_sh_mask.h"
+
+#include "vid.h"
+#include "vi.h"
+#include "vi_dpm.h"
+#include "gmc_v8_0.h"
+#include "gmc_v7_0.h"
+#include "gfx_v8_0.h"
+#include "sdma_v2_4.h"
+#include "sdma_v3_0.h"
+#include "dce_v10_0.h"
+#include "dce_v11_0.h"
+#include "iceland_ih.h"
+#include "tonga_ih.h"
+#include "cz_ih.h"
+#include "uvd_v5_0.h"
+#include "uvd_v6_0.h"
+#include "vce_v3_0.h"
+
+/*
+ * Indirect registers accessor
+ */
+static u32 vi_pcie_rreg(struct amdgpu_device *adev, u32 reg)
+{
+	unsigned long flags;
+	u32 r;
+
+	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
+	WREG32(mmPCIE_INDEX, reg);
+	(void)RREG32(mmPCIE_INDEX);
+	r = RREG32(mmPCIE_DATA);
+	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
+	return r;
+}
+
+static void vi_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
+	WREG32(mmPCIE_INDEX, reg);
+	(void)RREG32(mmPCIE_INDEX);
+	WREG32(mmPCIE_DATA, v);
+	(void)RREG32(mmPCIE_DATA);
+	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
+}
+
+static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg)
+{
+	unsigned long flags;
+	u32 r;
+
+	spin_lock_irqsave(&adev->smc_idx_lock, flags);
+	WREG32(mmSMC_IND_INDEX_0, (reg));
+	r = RREG32(mmSMC_IND_DATA_0);
+	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
+	return r;
+}
+
+static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&adev->smc_idx_lock, flags);
+	WREG32(mmSMC_IND_INDEX_0, (reg));
+	WREG32(mmSMC_IND_DATA_0, (v));
+	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
+}
+
+/* smu_8_0_d.h */
+#define mmMP0PUB_IND_INDEX                                                      0x180
+#define mmMP0PUB_IND_DATA                                                       0x181
+
+static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg)
+{
+	unsigned long flags;
+	u32 r;
+
+	spin_lock_irqsave(&adev->smc_idx_lock, flags);
+	WREG32(mmMP0PUB_IND_INDEX, (reg));
+	r = RREG32(mmMP0PUB_IND_DATA);
+	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
+	return r;
+}
+
+static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&adev->smc_idx_lock, flags);
+	WREG32(mmMP0PUB_IND_INDEX, (reg));
+	WREG32(mmMP0PUB_IND_DATA, (v));
+	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
+}
+
+static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
+{
+	unsigned long flags;
+	u32 r;
+
+	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+	WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
+	r = RREG32(mmUVD_CTX_DATA);
+	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+	return r;
+}
+
+static void vi_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
+	WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
+	WREG32(mmUVD_CTX_DATA, (v));
+	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
+}
+
+static u32 vi_didt_rreg(struct amdgpu_device *adev, u32 reg)
+{
+	unsigned long flags;
+	u32 r;
+
+	spin_lock_irqsave(&adev->didt_idx_lock, flags);
+	WREG32(mmDIDT_IND_INDEX, (reg));
+	r = RREG32(mmDIDT_IND_DATA);
+	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
+	return r;
+}
+
+static void vi_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&adev->didt_idx_lock, flags);
+	WREG32(mmDIDT_IND_INDEX, (reg));
+	WREG32(mmDIDT_IND_DATA, (v));
+	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
+}
+
+static const u32 tonga_mgcg_cgcg_init[] =
+{
+	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
+	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
+	mmPCIE_DATA, 0x000f0000, 0x00000000,
+	mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
+	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
+	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
+	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
+};
+
+static const u32 fiji_mgcg_cgcg_init[] =
+{
+	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
+	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
+	mmPCIE_DATA, 0x000f0000, 0x00000000,
+	mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
+	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
+	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
+	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
+};
+
+static const u32 iceland_mgcg_cgcg_init[] =
+{
+	mmPCIE_INDEX, 0xffffffff, ixPCIE_CNTL2,
+	mmPCIE_DATA, 0x000f0000, 0x00000000,
+	mmSMC_IND_INDEX_4, 0xffffffff, ixCGTT_ROM_CLK_CTRL0,
+	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
+	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
+};
+
+static const u32 cz_mgcg_cgcg_init[] =
+{
+	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
+	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
+	mmPCIE_DATA, 0x000f0000, 0x00000000,
+	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
+	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
+};
+
+static const u32 stoney_mgcg_cgcg_init[] =
+{
+	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00000100,
+	mmHDP_XDP_CGTT_BLK_CTRL, 0xffffffff, 0x00000104,
+	mmHDP_HOST_PATH_CNTL, 0xffffffff, 0x0f000027,
+};
+
+static void vi_init_golden_registers(struct amdgpu_device *adev)
+{
+	/* Some of the registers might be dependent on GRBM_GFX_INDEX */
+	mutex_lock(&adev->grbm_idx_mutex);
+
+	switch (adev->asic_type) {
+	case CHIP_TOPAZ:
+		amdgpu_program_register_sequence(adev,
+						 iceland_mgcg_cgcg_init,
+						 (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init));
+		break;
+	case CHIP_FIJI:
+		amdgpu_program_register_sequence(adev,
+						 fiji_mgcg_cgcg_init,
+						 (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init));
+		break;
+	case CHIP_TONGA:
+		amdgpu_program_register_sequence(adev,
+						 tonga_mgcg_cgcg_init,
+						 (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init));
+		break;
+	case CHIP_CARRIZO:
+		amdgpu_program_register_sequence(adev,
+						 cz_mgcg_cgcg_init,
+						 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
+		break;
+	case CHIP_STONEY:
+		amdgpu_program_register_sequence(adev,
+						 stoney_mgcg_cgcg_init,
+						 (const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init));
+		break;
+	default:
+		break;
+	}
+	mutex_unlock(&adev->grbm_idx_mutex);
+}
+
+/**
+ * vi_get_xclk - get the xclk
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Returns the reference clock used by the gfx engine
+ * (VI).
+ */
+static u32 vi_get_xclk(struct amdgpu_device *adev)
+{
+	u32 reference_clock = adev->clock.spll.reference_freq;
+	u32 tmp;
+
+	if (adev->flags & AMD_IS_APU)
+		return reference_clock;
+
+	tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
+	if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK))
+		return 1000;
+
+	tmp = RREG32_SMC(ixCG_CLKPIN_CNTL);
+	if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL, XTALIN_DIVIDE))
+		return reference_clock / 4;
+
+	return reference_clock;
+}
+
+/**
+ * vi_srbm_select - select specific register instances
+ *
+ * @adev: amdgpu_device pointer
+ * @me: selected ME (micro engine)
+ * @pipe: pipe
+ * @queue: queue
+ * @vmid: VMID
+ *
+ * Switches the currently active registers instances.  Some
+ * registers are instanced per VMID, others are instanced per
+ * me/pipe/queue combination.
+ */
+void vi_srbm_select(struct amdgpu_device *adev,
+		     u32 me, u32 pipe, u32 queue, u32 vmid)
+{
+	u32 srbm_gfx_cntl = 0;
+	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, PIPEID, pipe);
+	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, MEID, me);
+	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, VMID, vmid);
+	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, QUEUEID, queue);
+	WREG32(mmSRBM_GFX_CNTL, srbm_gfx_cntl);
+}
+
+static void vi_vga_set_state(struct amdgpu_device *adev, bool state)
+{
+	/* todo */
+}
+
+static bool vi_read_disabled_bios(struct amdgpu_device *adev)
+{
+	u32 bus_cntl;
+	u32 d1vga_control = 0;
+	u32 d2vga_control = 0;
+	u32 vga_render_control = 0;
+	u32 rom_cntl;
+	bool r;
+
+	bus_cntl = RREG32(mmBUS_CNTL);
+	if (adev->mode_info.num_crtc) {
+		d1vga_control = RREG32(mmD1VGA_CONTROL);
+		d2vga_control = RREG32(mmD2VGA_CONTROL);
+		vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
+	}
+	rom_cntl = RREG32_SMC(ixROM_CNTL);
+
+	/* enable the rom */
+	WREG32(mmBUS_CNTL, (bus_cntl & ~BUS_CNTL__BIOS_ROM_DIS_MASK));
+	if (adev->mode_info.num_crtc) {
+		/* Disable VGA mode */
+		WREG32(mmD1VGA_CONTROL,
+		       (d1vga_control & ~(D1VGA_CONTROL__D1VGA_MODE_ENABLE_MASK |
+					  D1VGA_CONTROL__D1VGA_TIMING_SELECT_MASK)));
+		WREG32(mmD2VGA_CONTROL,
+		       (d2vga_control & ~(D2VGA_CONTROL__D2VGA_MODE_ENABLE_MASK |
+					  D2VGA_CONTROL__D2VGA_TIMING_SELECT_MASK)));
+		WREG32(mmVGA_RENDER_CONTROL,
+		       (vga_render_control & ~VGA_RENDER_CONTROL__VGA_VSTATUS_CNTL_MASK));
+	}
+	WREG32_SMC(ixROM_CNTL, rom_cntl | ROM_CNTL__SCK_OVERWRITE_MASK);
+
+	r = amdgpu_read_bios(adev);
+
+	/* restore regs */
+	WREG32(mmBUS_CNTL, bus_cntl);
+	if (adev->mode_info.num_crtc) {
+		WREG32(mmD1VGA_CONTROL, d1vga_control);
+		WREG32(mmD2VGA_CONTROL, d2vga_control);
+		WREG32(mmVGA_RENDER_CONTROL, vga_render_control);
+	}
+	WREG32_SMC(ixROM_CNTL, rom_cntl);
+	return r;
+}
+static struct amdgpu_allowed_register_entry tonga_allowed_read_registers[] = {
+	{mmGB_MACROTILE_MODE7, true},
+};
+
+static struct amdgpu_allowed_register_entry cz_allowed_read_registers[] = {
+	{mmGB_TILE_MODE7, true},
+	{mmGB_TILE_MODE12, true},
+	{mmGB_TILE_MODE17, true},
+	{mmGB_TILE_MODE23, true},
+	{mmGB_MACROTILE_MODE7, true},
+};
+
+static struct amdgpu_allowed_register_entry vi_allowed_read_registers[] = {
+	{mmGRBM_STATUS, false},
+	{mmGRBM_STATUS2, false},
+	{mmGRBM_STATUS_SE0, false},
+	{mmGRBM_STATUS_SE1, false},
+	{mmGRBM_STATUS_SE2, false},
+	{mmGRBM_STATUS_SE3, false},
+	{mmSRBM_STATUS, false},
+	{mmSRBM_STATUS2, false},
+	{mmSRBM_STATUS3, false},
+	{mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET, false},
+	{mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET, false},
+	{mmCP_STAT, false},
+	{mmCP_STALLED_STAT1, false},
+	{mmCP_STALLED_STAT2, false},
+	{mmCP_STALLED_STAT3, false},
+	{mmCP_CPF_BUSY_STAT, false},
+	{mmCP_CPF_STALLED_STAT1, false},
+	{mmCP_CPF_STATUS, false},
+	{mmCP_CPC_BUSY_STAT, false},
+	{mmCP_CPC_STALLED_STAT1, false},
+	{mmCP_CPC_STATUS, false},
+	{mmGB_ADDR_CONFIG, false},
+	{mmMC_ARB_RAMCFG, false},
+	{mmGB_TILE_MODE0, false},
+	{mmGB_TILE_MODE1, false},
+	{mmGB_TILE_MODE2, false},
+	{mmGB_TILE_MODE3, false},
+	{mmGB_TILE_MODE4, false},
+	{mmGB_TILE_MODE5, false},
+	{mmGB_TILE_MODE6, false},
+	{mmGB_TILE_MODE7, false},
+	{mmGB_TILE_MODE8, false},
+	{mmGB_TILE_MODE9, false},
+	{mmGB_TILE_MODE10, false},
+	{mmGB_TILE_MODE11, false},
+	{mmGB_TILE_MODE12, false},
+	{mmGB_TILE_MODE13, false},
+	{mmGB_TILE_MODE14, false},
+	{mmGB_TILE_MODE15, false},
+	{mmGB_TILE_MODE16, false},
+	{mmGB_TILE_MODE17, false},
+	{mmGB_TILE_MODE18, false},
+	{mmGB_TILE_MODE19, false},
+	{mmGB_TILE_MODE20, false},
+	{mmGB_TILE_MODE21, false},
+	{mmGB_TILE_MODE22, false},
+	{mmGB_TILE_MODE23, false},
+	{mmGB_TILE_MODE24, false},
+	{mmGB_TILE_MODE25, false},
+	{mmGB_TILE_MODE26, false},
+	{mmGB_TILE_MODE27, false},
+	{mmGB_TILE_MODE28, false},
+	{mmGB_TILE_MODE29, false},
+	{mmGB_TILE_MODE30, false},
+	{mmGB_TILE_MODE31, false},
+	{mmGB_MACROTILE_MODE0, false},
+	{mmGB_MACROTILE_MODE1, false},
+	{mmGB_MACROTILE_MODE2, false},
+	{mmGB_MACROTILE_MODE3, false},
+	{mmGB_MACROTILE_MODE4, false},
+	{mmGB_MACROTILE_MODE5, false},
+	{mmGB_MACROTILE_MODE6, false},
+	{mmGB_MACROTILE_MODE7, false},
+	{mmGB_MACROTILE_MODE8, false},
+	{mmGB_MACROTILE_MODE9, false},
+	{mmGB_MACROTILE_MODE10, false},
+	{mmGB_MACROTILE_MODE11, false},
+	{mmGB_MACROTILE_MODE12, false},
+	{mmGB_MACROTILE_MODE13, false},
+	{mmGB_MACROTILE_MODE14, false},
+	{mmGB_MACROTILE_MODE15, false},
+	{mmCC_RB_BACKEND_DISABLE, false, true},
+	{mmGC_USER_RB_BACKEND_DISABLE, false, true},
+	{mmGB_BACKEND_MAP, false, false},
+	{mmPA_SC_RASTER_CONFIG, false, true},
+	{mmPA_SC_RASTER_CONFIG_1, false, true},
+};
+
+static uint32_t vi_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
+					 u32 sh_num, u32 reg_offset)
+{
+	uint32_t val;
+
+	mutex_lock(&adev->grbm_idx_mutex);
+	if (se_num != 0xffffffff || sh_num != 0xffffffff)
+		gfx_v8_0_select_se_sh(adev, se_num, sh_num);
+
+	val = RREG32(reg_offset);
+
+	if (se_num != 0xffffffff || sh_num != 0xffffffff)
+		gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff);
+	mutex_unlock(&adev->grbm_idx_mutex);
+	return val;
+}
+
+static int vi_read_register(struct amdgpu_device *adev, u32 se_num,
+			    u32 sh_num, u32 reg_offset, u32 *value)
+{
+	struct amdgpu_allowed_register_entry *asic_register_table = NULL;
+	struct amdgpu_allowed_register_entry *asic_register_entry;
+	uint32_t size, i;
+
+	*value = 0;
+	switch (adev->asic_type) {
+	case CHIP_TOPAZ:
+		asic_register_table = tonga_allowed_read_registers;
+		size = ARRAY_SIZE(tonga_allowed_read_registers);
+		break;
+	case CHIP_FIJI:
+	case CHIP_TONGA:
+	case CHIP_CARRIZO:
+	case CHIP_STONEY:
+		asic_register_table = cz_allowed_read_registers;
+		size = ARRAY_SIZE(cz_allowed_read_registers);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (asic_register_table) {
+		for (i = 0; i < size; i++) {
+			asic_register_entry = asic_register_table + i;
+			if (reg_offset != asic_register_entry->reg_offset)
+				continue;
+			if (!asic_register_entry->untouched)
+				*value = asic_register_entry->grbm_indexed ?
+					vi_read_indexed_register(adev, se_num,
+								 sh_num, reg_offset) :
+					RREG32(reg_offset);
+			return 0;
+		}
+	}
+
+	for (i = 0; i < ARRAY_SIZE(vi_allowed_read_registers); i++) {
+		if (reg_offset != vi_allowed_read_registers[i].reg_offset)
+			continue;
+
+		if (!vi_allowed_read_registers[i].untouched)
+			*value = vi_allowed_read_registers[i].grbm_indexed ?
+				vi_read_indexed_register(adev, se_num,
+							 sh_num, reg_offset) :
+				RREG32(reg_offset);
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static void vi_print_gpu_status_regs(struct amdgpu_device *adev)
+{
+	dev_info(adev->dev, "  GRBM_STATUS=0x%08X\n",
+		RREG32(mmGRBM_STATUS));
+	dev_info(adev->dev, "  GRBM_STATUS2=0x%08X\n",
+		RREG32(mmGRBM_STATUS2));
+	dev_info(adev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
+		RREG32(mmGRBM_STATUS_SE0));
+	dev_info(adev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
+		RREG32(mmGRBM_STATUS_SE1));
+	dev_info(adev->dev, "  GRBM_STATUS_SE2=0x%08X\n",
+		RREG32(mmGRBM_STATUS_SE2));
+	dev_info(adev->dev, "  GRBM_STATUS_SE3=0x%08X\n",
+		RREG32(mmGRBM_STATUS_SE3));
+	dev_info(adev->dev, "  SRBM_STATUS=0x%08X\n",
+		RREG32(mmSRBM_STATUS));
+	dev_info(adev->dev, "  SRBM_STATUS2=0x%08X\n",
+		RREG32(mmSRBM_STATUS2));
+	dev_info(adev->dev, "  SDMA0_STATUS_REG   = 0x%08X\n",
+		RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET));
+	if (adev->sdma.num_instances > 1) {
+		dev_info(adev->dev, "  SDMA1_STATUS_REG   = 0x%08X\n",
+			RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET));
+	}
+	dev_info(adev->dev, "  CP_STAT = 0x%08x\n", RREG32(mmCP_STAT));
+	dev_info(adev->dev, "  CP_STALLED_STAT1 = 0x%08x\n",
+		 RREG32(mmCP_STALLED_STAT1));
+	dev_info(adev->dev, "  CP_STALLED_STAT2 = 0x%08x\n",
+		 RREG32(mmCP_STALLED_STAT2));
+	dev_info(adev->dev, "  CP_STALLED_STAT3 = 0x%08x\n",
+		 RREG32(mmCP_STALLED_STAT3));
+	dev_info(adev->dev, "  CP_CPF_BUSY_STAT = 0x%08x\n",
+		 RREG32(mmCP_CPF_BUSY_STAT));
+	dev_info(adev->dev, "  CP_CPF_STALLED_STAT1 = 0x%08x\n",
+		 RREG32(mmCP_CPF_STALLED_STAT1));
+	dev_info(adev->dev, "  CP_CPF_STATUS = 0x%08x\n", RREG32(mmCP_CPF_STATUS));
+	dev_info(adev->dev, "  CP_CPC_BUSY_STAT = 0x%08x\n", RREG32(mmCP_CPC_BUSY_STAT));
+	dev_info(adev->dev, "  CP_CPC_STALLED_STAT1 = 0x%08x\n",
+		 RREG32(mmCP_CPC_STALLED_STAT1));
+	dev_info(adev->dev, "  CP_CPC_STATUS = 0x%08x\n", RREG32(mmCP_CPC_STATUS));
+}
+
+/**
+ * vi_gpu_check_soft_reset - check which blocks are busy
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Check which blocks are busy and return the relevant reset
+ * mask to be used by vi_gpu_soft_reset().
+ * Returns a mask of the blocks to be reset.
+ */
+u32 vi_gpu_check_soft_reset(struct amdgpu_device *adev)
+{
+	u32 reset_mask = 0;
+	u32 tmp;
+
+	/* GRBM_STATUS */
+	tmp = RREG32(mmGRBM_STATUS);
+	if (tmp & (GRBM_STATUS__PA_BUSY_MASK | GRBM_STATUS__SC_BUSY_MASK |
+		   GRBM_STATUS__BCI_BUSY_MASK | GRBM_STATUS__SX_BUSY_MASK |
+		   GRBM_STATUS__TA_BUSY_MASK | GRBM_STATUS__VGT_BUSY_MASK |
+		   GRBM_STATUS__DB_BUSY_MASK | GRBM_STATUS__CB_BUSY_MASK |
+		   GRBM_STATUS__GDS_BUSY_MASK | GRBM_STATUS__SPI_BUSY_MASK |
+		   GRBM_STATUS__IA_BUSY_MASK | GRBM_STATUS__IA_BUSY_NO_DMA_MASK))
+		reset_mask |= AMDGPU_RESET_GFX;
+
+	if (tmp & (GRBM_STATUS__CP_BUSY_MASK | GRBM_STATUS__CP_COHERENCY_BUSY_MASK))
+		reset_mask |= AMDGPU_RESET_CP;
+
+	/* GRBM_STATUS2 */
+	tmp = RREG32(mmGRBM_STATUS2);
+	if (tmp & GRBM_STATUS2__RLC_BUSY_MASK)
+		reset_mask |= AMDGPU_RESET_RLC;
+
+	if (tmp & (GRBM_STATUS2__CPF_BUSY_MASK |
+		   GRBM_STATUS2__CPC_BUSY_MASK |
+		   GRBM_STATUS2__CPG_BUSY_MASK))
+		reset_mask |= AMDGPU_RESET_CP;
+
+	/* SRBM_STATUS2 */
+	tmp = RREG32(mmSRBM_STATUS2);
+	if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK)
+		reset_mask |= AMDGPU_RESET_DMA;
+
+	if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK)
+		reset_mask |= AMDGPU_RESET_DMA1;
+
+	/* SRBM_STATUS */
+	tmp = RREG32(mmSRBM_STATUS);
+
+	if (tmp & SRBM_STATUS__IH_BUSY_MASK)
+		reset_mask |= AMDGPU_RESET_IH;
+
+	if (tmp & SRBM_STATUS__SEM_BUSY_MASK)
+		reset_mask |= AMDGPU_RESET_SEM;
+
+	if (tmp & SRBM_STATUS__GRBM_RQ_PENDING_MASK)
+		reset_mask |= AMDGPU_RESET_GRBM;
+
+	if (adev->asic_type != CHIP_TOPAZ) {
+		if (tmp & (SRBM_STATUS__UVD_RQ_PENDING_MASK |
+			   SRBM_STATUS__UVD_BUSY_MASK))
+			reset_mask |= AMDGPU_RESET_UVD;
+	}
+
+	if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
+		reset_mask |= AMDGPU_RESET_VMC;
+
+	if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
+		   SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK))
+		reset_mask |= AMDGPU_RESET_MC;
+
+	/* SDMA0_STATUS_REG */
+	tmp = RREG32(mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET);
+	if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
+		reset_mask |= AMDGPU_RESET_DMA;
+
+	/* SDMA1_STATUS_REG */
+	if (adev->sdma.num_instances > 1) {
+		tmp = RREG32(mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET);
+		if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
+			reset_mask |= AMDGPU_RESET_DMA1;
+	}
+#if 0
+	/* VCE_STATUS */
+	if (adev->asic_type != CHIP_TOPAZ) {
+		tmp = RREG32(mmVCE_STATUS);
+		if (tmp & VCE_STATUS__VCPU_REPORT_RB0_BUSY_MASK)
+			reset_mask |= AMDGPU_RESET_VCE;
+		if (tmp & VCE_STATUS__VCPU_REPORT_RB1_BUSY_MASK)
+			reset_mask |= AMDGPU_RESET_VCE1;
+
+	}
+
+	if (adev->asic_type != CHIP_TOPAZ) {
+		if (amdgpu_display_is_display_hung(adev))
+			reset_mask |= AMDGPU_RESET_DISPLAY;
+	}
+#endif
+
+	/* Skip MC reset as it's mostly likely not hung, just busy */
+	if (reset_mask & AMDGPU_RESET_MC) {
+		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
+		reset_mask &= ~AMDGPU_RESET_MC;
+	}
+
+	return reset_mask;
+}
+
+/**
+ * vi_gpu_soft_reset - soft reset GPU
+ *
+ * @adev: amdgpu_device pointer
+ * @reset_mask: mask of which blocks to reset
+ *
+ * Soft reset the blocks specified in @reset_mask.
+ */
+static void vi_gpu_soft_reset(struct amdgpu_device *adev, u32 reset_mask)
+{
+	struct amdgpu_mode_mc_save save;
+	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
+	u32 tmp;
+
+	if (reset_mask == 0)
+		return;
+
+	dev_info(adev->dev, "GPU softreset: 0x%08X\n", reset_mask);
+
+	vi_print_gpu_status_regs(adev);
+	dev_info(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
+		 RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR));
+	dev_info(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
+		 RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS));
+
+	/* disable CG/PG */
+
+	/* stop the rlc */
+	//XXX
+	//gfx_v8_0_rlc_stop(adev);
+
+	/* Disable GFX parsing/prefetching */
+	tmp = RREG32(mmCP_ME_CNTL);
+	tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1);
+	tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1);
+	tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1);
+	WREG32(mmCP_ME_CNTL, tmp);
+
+	/* Disable MEC parsing/prefetching */
+	tmp = RREG32(mmCP_MEC_CNTL);
+	tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME1_HALT, 1);
+	tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME2_HALT, 1);
+	WREG32(mmCP_MEC_CNTL, tmp);
+
+	if (reset_mask & AMDGPU_RESET_DMA) {
+		/* sdma0 */
+		tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET);
+		tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1);
+		WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp);
+	}
+	if (reset_mask & AMDGPU_RESET_DMA1) {
+		/* sdma1 */
+		tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET);
+		tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1);
+		WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp);
+	}
+
+	gmc_v8_0_mc_stop(adev, &save);
+	if (amdgpu_asic_wait_for_mc_idle(adev)) {
+		dev_warn(adev->dev, "Wait for MC idle timedout !\n");
+	}
+
+	if (reset_mask & (AMDGPU_RESET_GFX | AMDGPU_RESET_COMPUTE | AMDGPU_RESET_CP)) {
+		grbm_soft_reset =
+			REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP, 1);
+		grbm_soft_reset =
+			REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_GFX, 1);
+	}
+
+	if (reset_mask & AMDGPU_RESET_CP) {
+		grbm_soft_reset =
+			REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_CP, 1);
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_GRBM, 1);
+	}
+
+	if (reset_mask & AMDGPU_RESET_DMA)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA, 1);
+
+	if (reset_mask & AMDGPU_RESET_DMA1)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA1, 1);
+
+	if (reset_mask & AMDGPU_RESET_DISPLAY)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_DC, 1);
+
+	if (reset_mask & AMDGPU_RESET_RLC)
+		grbm_soft_reset =
+			REG_SET_FIELD(grbm_soft_reset, GRBM_SOFT_RESET, SOFT_RESET_RLC, 1);
+
+	if (reset_mask & AMDGPU_RESET_SEM)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SEM, 1);
+
+	if (reset_mask & AMDGPU_RESET_IH)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_IH, 1);
+
+	if (reset_mask & AMDGPU_RESET_GRBM)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_GRBM, 1);
+
+	if (reset_mask & AMDGPU_RESET_VMC)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
+
+	if (reset_mask & AMDGPU_RESET_UVD)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_UVD, 1);
+
+	if (reset_mask & AMDGPU_RESET_VCE)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1);
+
+	if (reset_mask & AMDGPU_RESET_VCE)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1);
+
+	if (!(adev->flags & AMD_IS_APU)) {
+		if (reset_mask & AMDGPU_RESET_MC)
+		srbm_soft_reset =
+			REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
+	}
+
+	if (grbm_soft_reset) {
+		tmp = RREG32(mmGRBM_SOFT_RESET);
+		tmp |= grbm_soft_reset;
+		dev_info(adev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
+		WREG32(mmGRBM_SOFT_RESET, tmp);
+		tmp = RREG32(mmGRBM_SOFT_RESET);
+
+		udelay(50);
+
+		tmp &= ~grbm_soft_reset;
+		WREG32(mmGRBM_SOFT_RESET, tmp);
+		tmp = RREG32(mmGRBM_SOFT_RESET);
+	}
+
+	if (srbm_soft_reset) {
+		tmp = RREG32(mmSRBM_SOFT_RESET);
+		tmp |= srbm_soft_reset;
+		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
+		WREG32(mmSRBM_SOFT_RESET, tmp);
+		tmp = RREG32(mmSRBM_SOFT_RESET);
+
+		udelay(50);
+
+		tmp &= ~srbm_soft_reset;
+		WREG32(mmSRBM_SOFT_RESET, tmp);
+		tmp = RREG32(mmSRBM_SOFT_RESET);
+	}
+
+	/* Wait a little for things to settle down */
+	udelay(50);
+
+	gmc_v8_0_mc_resume(adev, &save);
+	udelay(50);
+
+	vi_print_gpu_status_regs(adev);
+}
+
+static void vi_gpu_pci_config_reset(struct amdgpu_device *adev)
+{
+	struct amdgpu_mode_mc_save save;
+	u32 tmp, i;
+
+	dev_info(adev->dev, "GPU pci config reset\n");
+
+	/* disable dpm? */
+
+	/* disable cg/pg */
+
+	/* Disable GFX parsing/prefetching */
+	tmp = RREG32(mmCP_ME_CNTL);
+	tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1);
+	tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1);
+	tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1);
+	WREG32(mmCP_ME_CNTL, tmp);
+
+	/* Disable MEC parsing/prefetching */
+	tmp = RREG32(mmCP_MEC_CNTL);
+	tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME1_HALT, 1);
+	tmp = REG_SET_FIELD(tmp, CP_MEC_CNTL, MEC_ME2_HALT, 1);
+	WREG32(mmCP_MEC_CNTL, tmp);
+
+	/* Disable GFX parsing/prefetching */
+	WREG32(mmCP_ME_CNTL, CP_ME_CNTL__ME_HALT_MASK |
+		CP_ME_CNTL__PFP_HALT_MASK | CP_ME_CNTL__CE_HALT_MASK);
+
+	/* Disable MEC parsing/prefetching */
+	WREG32(mmCP_MEC_CNTL,
+			CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK);
+
+	/* sdma0 */
+	tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET);
+	tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1);
+	WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp);
+
+	/* sdma1 */
+	tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET);
+	tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 1);
+	WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp);
+
+	/* XXX other engines? */
+
+	/* halt the rlc, disable cp internal ints */
+	//XXX
+	//gfx_v8_0_rlc_stop(adev);
+
+	udelay(50);
+
+	/* disable mem access */
+	gmc_v8_0_mc_stop(adev, &save);
+	if (amdgpu_asic_wait_for_mc_idle(adev)) {
+		dev_warn(adev->dev, "Wait for MC idle timed out !\n");
+	}
+
+	/* disable BM */
+	pci_clear_master(adev->pdev);
+	/* reset */
+	amdgpu_pci_config_reset(adev);
+
+	udelay(100);
+
+	/* wait for asic to come out of reset */
+	for (i = 0; i < adev->usec_timeout; i++) {
+		if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff)
+			break;
+		udelay(1);
+	}
+
+}
+
+static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung)
+{
+	u32 tmp = RREG32(mmBIOS_SCRATCH_3);
+
+	if (hung)
+		tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
+	else
+		tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
+
+	WREG32(mmBIOS_SCRATCH_3, tmp);
+}
+
+/**
+ * vi_asic_reset - soft reset GPU
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Look up which blocks are hung and attempt
+ * to reset them.
+ * Returns 0 for success.
+ */
+static int vi_asic_reset(struct amdgpu_device *adev)
+{
+	u32 reset_mask;
+
+	reset_mask = vi_gpu_check_soft_reset(adev);
+
+	if (reset_mask)
+		vi_set_bios_scratch_engine_hung(adev, true);
+
+	/* try soft reset */
+	vi_gpu_soft_reset(adev, reset_mask);
+
+	reset_mask = vi_gpu_check_soft_reset(adev);
+
+	/* try pci config reset */
+	if (reset_mask && amdgpu_hard_reset)
+		vi_gpu_pci_config_reset(adev);
+
+	reset_mask = vi_gpu_check_soft_reset(adev);
+
+	if (!reset_mask)
+		vi_set_bios_scratch_engine_hung(adev, false);
+
+	return 0;
+}
+
+static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
+			u32 cntl_reg, u32 status_reg)
+{
+	int r, i;
+	struct atom_clock_dividers dividers;
+	uint32_t tmp;
+
+	r = amdgpu_atombios_get_clock_dividers(adev,
+					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
+					       clock, false, &dividers);
+	if (r)
+		return r;
+
+	tmp = RREG32_SMC(cntl_reg);
+	tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK |
+		CG_DCLK_CNTL__DCLK_DIVIDER_MASK);
+	tmp |= dividers.post_divider;
+	WREG32_SMC(cntl_reg, tmp);
+
+	for (i = 0; i < 100; i++) {
+		if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK)
+			break;
+		mdelay(10);
+	}
+	if (i == 100)
+		return -ETIMEDOUT;
+
+	return 0;
+}
+
+static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
+{
+	int r;
+
+	r = vi_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
+	if (r)
+		return r;
+
+	r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
+
+	return 0;
+}
+
+static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
+{
+	/* todo */
+
+	return 0;
+}
+
+static void vi_pcie_gen3_enable(struct amdgpu_device *adev)
+{
+	u32 mask;
+	int ret;
+
+	if (pci_is_root_bus(adev->pdev->bus))
+		return;
+
+	if (amdgpu_pcie_gen2 == 0)
+		return;
+
+	if (adev->flags & AMD_IS_APU)
+		return;
+
+	ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask);
+	if (ret != 0)
+		return;
+
+	if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80)))
+		return;
+
+	/* todo */
+}
+
+static void vi_program_aspm(struct amdgpu_device *adev)
+{
+
+	if (amdgpu_aspm == 0)
+		return;
+
+	/* todo */
+}
+
+static void vi_enable_doorbell_aperture(struct amdgpu_device *adev,
+					bool enable)
+{
+	u32 tmp;
+
+	/* not necessary on CZ */
+	if (adev->flags & AMD_IS_APU)
+		return;
+
+	tmp = RREG32(mmBIF_DOORBELL_APER_EN);
+	if (enable)
+		tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 1);
+	else
+		tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 0);
+
+	WREG32(mmBIF_DOORBELL_APER_EN, tmp);
+}
+
+/* topaz has no DCE, UVD, VCE */
+static const struct amdgpu_ip_block_version topaz_ip_blocks[] =
+{
+	/* ORDER MATTERS! */
+	{
+		.type = AMD_IP_BLOCK_TYPE_COMMON,
+		.major = 2,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &vi_common_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_GMC,
+		.major = 7,
+		.minor = 4,
+		.rev = 0,
+		.funcs = &gmc_v7_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_IH,
+		.major = 2,
+		.minor = 4,
+		.rev = 0,
+		.funcs = &iceland_ih_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_SMC,
+		.major = 7,
+		.minor = 1,
+		.rev = 0,
+		.funcs = &iceland_dpm_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_GFX,
+		.major = 8,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &gfx_v8_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_SDMA,
+		.major = 2,
+		.minor = 4,
+		.rev = 0,
+		.funcs = &sdma_v2_4_ip_funcs,
+	},
+};
+
+static const struct amdgpu_ip_block_version tonga_ip_blocks[] =
+{
+	/* ORDER MATTERS! */
+	{
+		.type = AMD_IP_BLOCK_TYPE_COMMON,
+		.major = 2,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &vi_common_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_GMC,
+		.major = 8,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &gmc_v8_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_IH,
+		.major = 3,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &tonga_ih_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_SMC,
+		.major = 7,
+		.minor = 1,
+		.rev = 0,
+		.funcs = &tonga_dpm_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_DCE,
+		.major = 10,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &dce_v10_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_GFX,
+		.major = 8,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &gfx_v8_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_SDMA,
+		.major = 3,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &sdma_v3_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_UVD,
+		.major = 5,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &uvd_v5_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_VCE,
+		.major = 3,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &vce_v3_0_ip_funcs,
+	},
+};
+
+static const struct amdgpu_ip_block_version fiji_ip_blocks[] =
+{
+	/* ORDER MATTERS! */
+	{
+		.type = AMD_IP_BLOCK_TYPE_COMMON,
+		.major = 2,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &vi_common_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_GMC,
+		.major = 8,
+		.minor = 5,
+		.rev = 0,
+		.funcs = &gmc_v8_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_IH,
+		.major = 3,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &tonga_ih_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_SMC,
+		.major = 7,
+		.minor = 1,
+		.rev = 0,
+		.funcs = &fiji_dpm_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_DCE,
+		.major = 10,
+		.minor = 1,
+		.rev = 0,
+		.funcs = &dce_v10_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_GFX,
+		.major = 8,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &gfx_v8_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_SDMA,
+		.major = 3,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &sdma_v3_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_UVD,
+		.major = 6,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &uvd_v6_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_VCE,
+		.major = 3,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &vce_v3_0_ip_funcs,
+	},
+};
+
+static const struct amdgpu_ip_block_version cz_ip_blocks[] =
+{
+	/* ORDER MATTERS! */
+	{
+		.type = AMD_IP_BLOCK_TYPE_COMMON,
+		.major = 2,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &vi_common_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_GMC,
+		.major = 8,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &gmc_v8_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_IH,
+		.major = 3,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &cz_ih_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_SMC,
+		.major = 8,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &cz_dpm_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_DCE,
+		.major = 11,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &dce_v11_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_GFX,
+		.major = 8,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &gfx_v8_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_SDMA,
+		.major = 3,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &sdma_v3_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_UVD,
+		.major = 6,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &uvd_v6_0_ip_funcs,
+	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_VCE,
+		.major = 3,
+		.minor = 0,
+		.rev = 0,
+		.funcs = &vce_v3_0_ip_funcs,
+	},
+};
+
+int vi_set_ip_blocks(struct amdgpu_device *adev)
+{
+	switch (adev->asic_type) {
+	case CHIP_TOPAZ:
+		adev->ip_blocks = topaz_ip_blocks;
+		adev->num_ip_blocks = ARRAY_SIZE(topaz_ip_blocks);
+		break;
+	case CHIP_FIJI:
+		adev->ip_blocks = fiji_ip_blocks;
+		adev->num_ip_blocks = ARRAY_SIZE(fiji_ip_blocks);
+		break;
+	case CHIP_TONGA:
+		adev->ip_blocks = tonga_ip_blocks;
+		adev->num_ip_blocks = ARRAY_SIZE(tonga_ip_blocks);
+		break;
+	case CHIP_CARRIZO:
+	case CHIP_STONEY:
+		adev->ip_blocks = cz_ip_blocks;
+		adev->num_ip_blocks = ARRAY_SIZE(cz_ip_blocks);
+		break;
+	default:
+		/* FIXME: not supported yet */
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+#define ATI_REV_ID_FUSE_MACRO__ADDRESS      0xC0014044
+#define ATI_REV_ID_FUSE_MACRO__SHIFT        9
+#define ATI_REV_ID_FUSE_MACRO__MASK         0x00001E00
+
+static uint32_t vi_get_rev_id(struct amdgpu_device *adev)
+{
+	if (adev->asic_type == CHIP_TOPAZ)
+		return (RREG32(mmPCIE_EFUSE4) & PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID_MASK)
+			>> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;
+	else if (adev->flags & AMD_IS_APU)
+		return (RREG32_SMC(ATI_REV_ID_FUSE_MACRO__ADDRESS) & ATI_REV_ID_FUSE_MACRO__MASK)
+			>> ATI_REV_ID_FUSE_MACRO__SHIFT;
+	else
+		return (RREG32(mmCC_DRM_ID_STRAPS) & CC_DRM_ID_STRAPS__ATI_REV_ID_MASK)
+			>> CC_DRM_ID_STRAPS__ATI_REV_ID__SHIFT;
+}
+
+static const struct amdgpu_asic_funcs vi_asic_funcs =
+{
+	.read_disabled_bios = &vi_read_disabled_bios,
+	.read_register = &vi_read_register,
+	.reset = &vi_asic_reset,
+	.set_vga_state = &vi_vga_set_state,
+	.get_xclk = &vi_get_xclk,
+	.set_uvd_clocks = &vi_set_uvd_clocks,
+	.set_vce_clocks = &vi_set_vce_clocks,
+	.get_cu_info = &gfx_v8_0_get_cu_info,
+	/* these should be moved to their own ip modules */
+	.get_gpu_clock_counter = &gfx_v8_0_get_gpu_clock_counter,
+	.wait_for_mc_idle = &gmc_v8_0_mc_wait_for_idle,
+};
+
+static int vi_common_early_init(void *handle)
+{
+	bool smc_enabled = false;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	if (adev->flags & AMD_IS_APU) {
+		adev->smc_rreg = &cz_smc_rreg;
+		adev->smc_wreg = &cz_smc_wreg;
+	} else {
+		adev->smc_rreg = &vi_smc_rreg;
+		adev->smc_wreg = &vi_smc_wreg;
+	}
+	adev->pcie_rreg = &vi_pcie_rreg;
+	adev->pcie_wreg = &vi_pcie_wreg;
+	adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg;
+	adev->uvd_ctx_wreg = &vi_uvd_ctx_wreg;
+	adev->didt_rreg = &vi_didt_rreg;
+	adev->didt_wreg = &vi_didt_wreg;
+
+	adev->asic_funcs = &vi_asic_funcs;
+
+	if (amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_SMC) &&
+		(amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_SMC)))
+		smc_enabled = true;
+
+	adev->rev_id = vi_get_rev_id(adev);
+	adev->external_rev_id = 0xFF;
+	switch (adev->asic_type) {
+	case CHIP_TOPAZ:
+		adev->has_uvd = false;
+		adev->cg_flags = 0;
+		adev->pg_flags = 0;
+		adev->external_rev_id = 0x1;
+		break;
+	case CHIP_FIJI:
+		adev->has_uvd = true;
+		adev->cg_flags = 0;
+		adev->pg_flags = 0;
+		adev->external_rev_id = adev->rev_id + 0x3c;
+		break;
+	case CHIP_TONGA:
+		adev->has_uvd = true;
+		adev->cg_flags = 0;
+		adev->pg_flags = 0;
+		adev->external_rev_id = adev->rev_id + 0x14;
+		break;
+	case CHIP_CARRIZO:
+	case CHIP_STONEY:
+		adev->has_uvd = true;
+		adev->cg_flags = 0;
+		/* Disable UVD pg */
+		adev->pg_flags = /* AMDGPU_PG_SUPPORT_UVD | */AMDGPU_PG_SUPPORT_VCE;
+		adev->external_rev_id = adev->rev_id + 0x1;
+		break;
+	default:
+		/* FIXME: not supported yet */
+		return -EINVAL;
+	}
+
+	if (amdgpu_smc_load_fw && smc_enabled)
+		adev->firmware.smu_load = true;
+
+	return 0;
+}
+
+static int vi_common_sw_init(void *handle)
+{
+	return 0;
+}
+
+static int vi_common_sw_fini(void *handle)
+{
+	return 0;
+}
+
+static int vi_common_hw_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	/* move the golden regs per IP block */
+	vi_init_golden_registers(adev);
+	/* enable pcie gen2/3 link */
+	vi_pcie_gen3_enable(adev);
+	/* enable aspm */
+	vi_program_aspm(adev);
+	/* enable the doorbell aperture */
+	vi_enable_doorbell_aperture(adev, true);
+
+	return 0;
+}
+
+static int vi_common_hw_fini(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	/* enable the doorbell aperture */
+	vi_enable_doorbell_aperture(adev, false);
+
+	return 0;
+}
+
+static int vi_common_suspend(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return vi_common_hw_fini(adev);
+}
+
+static int vi_common_resume(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return vi_common_hw_init(adev);
+}
+
+static bool vi_common_is_idle(void *handle)
+{
+	return true;
+}
+
+static int vi_common_wait_for_idle(void *handle)
+{
+	return 0;
+}
+
+static void vi_common_print_status(void *handle)
+{
+	return;
+}
+
+static int vi_common_soft_reset(void *handle)
+{
+	return 0;
+}
+
+static int vi_common_set_clockgating_state(void *handle,
+					    enum amd_clockgating_state state)
+{
+	return 0;
+}
+
+static int vi_common_set_powergating_state(void *handle,
+					    enum amd_powergating_state state)
+{
+	return 0;
+}
+
+const struct amd_ip_funcs vi_common_ip_funcs = {
+	.early_init = vi_common_early_init,
+	.late_init = NULL,
+	.sw_init = vi_common_sw_init,
+	.sw_fini = vi_common_sw_fini,
+	.hw_init = vi_common_hw_init,
+	.hw_fini = vi_common_hw_fini,
+	.suspend = vi_common_suspend,
+	.resume = vi_common_resume,
+	.is_idle = vi_common_is_idle,
+	.wait_for_idle = vi_common_wait_for_idle,
+	.soft_reset = vi_common_soft_reset,
+	.print_status = vi_common_print_status,
+	.set_clockgating_state = vi_common_set_clockgating_state,
+	.set_powergating_state = vi_common_set_powergating_state,
+};
+