drm/amdgpu/virt: implement VI virt operation interfaces

VI has asic specific virt support, which including mailbox and
golden registers init.
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: shaoyunl <Shaoyun.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -34,7 +34,7 @@ amdgpu-$(CONFIG_DRM_AMDGPU_CIK)+= cik.o cik_ih.o kv_smc.o kv_dpm.o \
 amdgpu-$(CONFIG_DRM_AMDGPU_SI)+= si.o gmc_v6_0.o gfx_v6_0.o si_ih.o si_dma.o dce_v6_0.o si_dpm.o si_smc.o
 
 amdgpu-y += \
-	vi.o
+	vi.o mxgpu_vi.o
 
 # add GMC block
 amdgpu-y += \

drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h

@@ -46,6 +46,9 @@ struct amdgpu_virt {
 	uint64_t			csa_vmid0_addr;
 	uint32_t			reg_val_offs;
 	struct mutex			lock;
+	struct amdgpu_irq_src		ack_irq;
+	struct amdgpu_irq_src		rcv_irq;
+	struct delayed_work		flr_work;
 	const struct amdgpu_virt_ops	*ops;
 };
 

drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c

+/*
+ * Copyright 2017 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.
+ *
+ * Authors: Xiangliang.Yu@amd.com
+ */
+
+#include "amdgpu.h"
+#include "vi.h"
+#include "bif/bif_5_0_d.h"
+#include "bif/bif_5_0_sh_mask.h"
+#include "vid.h"
+#include "gca/gfx_8_0_d.h"
+#include "gca/gfx_8_0_sh_mask.h"
+#include "gmc_v8_0.h"
+#include "gfx_v8_0.h"
+#include "sdma_v3_0.h"
+#include "tonga_ih.h"
+#include "gmc/gmc_8_2_d.h"
+#include "gmc/gmc_8_2_sh_mask.h"
+#include "oss/oss_3_0_d.h"
+#include "oss/oss_3_0_sh_mask.h"
+#include "gca/gfx_8_0_sh_mask.h"
+#include "dce/dce_10_0_d.h"
+#include "dce/dce_10_0_sh_mask.h"
+#include "smu/smu_7_1_3_d.h"
+#include "mxgpu_vi.h"
+
+/* VI golden setting */
+static const u32 xgpu_fiji_mgcg_cgcg_init[] = {
+	mmRLC_CGTT_MGCG_OVERRIDE, 0xffffffff, 0xffffffff,
+	mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
+	mmCB_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_BCI_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_CP_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_CPC_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_CPF_CLK_CTRL, 0xffffffff, 0x40000100,
+	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
+	mmCGTT_GDS_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_IA_CLK_CTRL, 0xffffffff, 0x06000100,
+	mmCGTT_PA_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_WD_CLK_CTRL, 0xffffffff, 0x06000100,
+	mmCGTT_PC_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_RLC_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_SC_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_SPI_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_SQ_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_SQG_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL0, 0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL1, 0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL2, 0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL3, 0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL4, 0xffffffff, 0x00000100,
+	mmCGTT_TCI_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_TCP_CLK_CTRL, 0xffffffff, 0x00000100,
+	mmCGTT_VGT_CLK_CTRL, 0xffffffff, 0x06000100,
+	mmDB_CGTT_CLK_CTRL_0, 0xffffffff, 0x00000100,
+	mmTA_CGTT_CTRL, 0xffffffff, 0x00000100,
+	mmTCA_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
+	mmTCC_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
+	mmTD_CGTT_CTRL, 0xffffffff, 0x00000100,
+	mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
+	mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96e00200,
+	mmCP_RB_WPTR_POLL_CNTL, 0xffffffff, 0x00900100,
+	mmRLC_CGCG_CGLS_CTRL, 0xffffffff, 0x0020003c,
+	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
+	mmPCIE_DATA, 0x000f0000, 0x00000000,
+	mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
+	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
+	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
+	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
+	mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104,
+	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
+	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
+	mmCP_MEM_SLP_CNTL, 0x00000001, 0x00000001,
+	mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100,
+	mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100,
+};
+
+static const u32 xgpu_fiji_golden_settings_a10[] = {
+	mmCB_HW_CONTROL_3, 0x000001ff, 0x00000040,
+	mmDB_DEBUG2, 0xf00fffff, 0x00000400,
+	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
+	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
+	mmFBC_MISC, 0x1f311fff, 0x12300000,
+	mmHDMI_CONTROL, 0x31000111, 0x00000011,
+	mmPA_SC_ENHANCE, 0xffffffff, 0x20000001,
+	mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000,
+	mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007,
+	mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007,
+	mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd,
+	mmTA_CNTL_AUX, 0x000f000f, 0x000b0000,
+	mmTCC_EXE_DISABLE, 0x00000002, 0x00000002,
+	mmTCP_ADDR_CONFIG, 0x000003ff, 0x000000ff,
+	mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
+	mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
+	mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
+	mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
+	mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
+};
+
+static const u32 xgpu_fiji_golden_common_all[] = {
+	mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
+	mmPA_SC_RASTER_CONFIG, 0xffffffff, 0x3a00161a,
+	mmPA_SC_RASTER_CONFIG_1, 0xffffffff, 0x0000002e,
+	mmGB_ADDR_CONFIG, 0xffffffff, 0x22011003,
+	mmSPI_RESOURCE_RESERVE_CU_0, 0xffffffff, 0x00000800,
+	mmSPI_RESOURCE_RESERVE_CU_1, 0xffffffff, 0x00000800,
+	mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF,
+	mmSPI_RESOURCE_RESERVE_EN_CU_1, 0xffffffff, 0x00007FAF,
+	mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
+	mmSPI_CONFIG_CNTL_1, 0x0000000f, 0x00000009,
+};
+
+static const u32 xgpu_tonga_mgcg_cgcg_init[] = {
+	mmRLC_CGTT_MGCG_OVERRIDE,   0xffffffff, 0xffffffff,
+	mmGRBM_GFX_INDEX,           0xffffffff, 0xe0000000,
+	mmCB_CGTT_SCLK_CTRL,        0xffffffff, 0x00000100,
+	mmCGTT_BCI_CLK_CTRL,        0xffffffff, 0x00000100,
+	mmCGTT_CP_CLK_CTRL,         0xffffffff, 0x00000100,
+	mmCGTT_CPC_CLK_CTRL,        0xffffffff, 0x00000100,
+	mmCGTT_CPF_CLK_CTRL,        0xffffffff, 0x40000100,
+	mmCGTT_DRM_CLK_CTRL0,       0xffffffff, 0x00600100,
+	mmCGTT_GDS_CLK_CTRL,        0xffffffff, 0x00000100,
+	mmCGTT_IA_CLK_CTRL,         0xffffffff, 0x06000100,
+	mmCGTT_PA_CLK_CTRL,         0xffffffff, 0x00000100,
+	mmCGTT_WD_CLK_CTRL,         0xffffffff, 0x06000100,
+	mmCGTT_PC_CLK_CTRL,         0xffffffff, 0x00000100,
+	mmCGTT_RLC_CLK_CTRL,        0xffffffff, 0x00000100,
+	mmCGTT_SC_CLK_CTRL,         0xffffffff, 0x00000100,
+	mmCGTT_SPI_CLK_CTRL,        0xffffffff, 0x00000100,
+	mmCGTT_SQ_CLK_CTRL,         0xffffffff, 0x00000100,
+	mmCGTT_SQG_CLK_CTRL,        0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL0,        0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL1,        0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL2,        0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL3,        0xffffffff, 0x00000100,
+	mmCGTT_SX_CLK_CTRL4,        0xffffffff, 0x00000100,
+	mmCGTT_TCI_CLK_CTRL,        0xffffffff, 0x00000100,
+	mmCGTT_TCP_CLK_CTRL,        0xffffffff, 0x00000100,
+	mmCGTT_VGT_CLK_CTRL,        0xffffffff, 0x06000100,
+	mmDB_CGTT_CLK_CTRL_0,       0xffffffff, 0x00000100,
+	mmTA_CGTT_CTRL,             0xffffffff, 0x00000100,
+	mmTCA_CGTT_SCLK_CTRL,       0xffffffff, 0x00000100,
+	mmTCC_CGTT_SCLK_CTRL,       0xffffffff, 0x00000100,
+	mmTD_CGTT_CTRL,             0xffffffff, 0x00000100,
+	mmGRBM_GFX_INDEX,           0xffffffff, 0xe0000000,
+	mmCGTS_CU0_SP0_CTRL_REG,    0xffffffff, 0x00010000,
+	mmCGTS_CU0_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
+	mmCGTS_CU0_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007,
+	mmCGTS_CU0_SP1_CTRL_REG,    0xffffffff, 0x00060005,
+	mmCGTS_CU0_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
+	mmCGTS_CU1_SP0_CTRL_REG,    0xffffffff, 0x00010000,
+	mmCGTS_CU1_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
+	mmCGTS_CU1_TA_CTRL_REG,     0xffffffff, 0x00040007,
+	mmCGTS_CU1_SP1_CTRL_REG,    0xffffffff, 0x00060005,
+	mmCGTS_CU1_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
+	mmCGTS_CU2_SP0_CTRL_REG,    0xffffffff, 0x00010000,
+	mmCGTS_CU2_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
+	mmCGTS_CU2_TA_CTRL_REG,     0xffffffff, 0x00040007,
+	mmCGTS_CU2_SP1_CTRL_REG,    0xffffffff, 0x00060005,
+	mmCGTS_CU2_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
+	mmCGTS_CU3_SP0_CTRL_REG,    0xffffffff, 0x00010000,
+	mmCGTS_CU3_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
+	mmCGTS_CU3_TA_CTRL_REG,     0xffffffff, 0x00040007,
+	mmCGTS_CU3_SP1_CTRL_REG,    0xffffffff, 0x00060005,
+	mmCGTS_CU3_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
+	mmCGTS_CU4_SP0_CTRL_REG,    0xffffffff, 0x00010000,
+	mmCGTS_CU4_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
+	mmCGTS_CU4_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007,
+	mmCGTS_CU4_SP1_CTRL_REG,    0xffffffff, 0x00060005,
+	mmCGTS_CU4_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
+	mmCGTS_CU5_SP0_CTRL_REG,    0xffffffff, 0x00010000,
+	mmCGTS_CU5_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
+	mmCGTS_CU5_TA_CTRL_REG,     0xffffffff, 0x00040007,
+	mmCGTS_CU5_SP1_CTRL_REG,    0xffffffff, 0x00060005,
+	mmCGTS_CU5_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
+	mmCGTS_CU6_SP0_CTRL_REG,    0xffffffff, 0x00010000,
+	mmCGTS_CU6_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
+	mmCGTS_CU6_TA_CTRL_REG,     0xffffffff, 0x00040007,
+	mmCGTS_CU6_SP1_CTRL_REG,    0xffffffff, 0x00060005,
+	mmCGTS_CU6_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
+	mmCGTS_CU7_SP0_CTRL_REG,    0xffffffff, 0x00010000,
+	mmCGTS_CU7_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
+	mmCGTS_CU7_TA_CTRL_REG,     0xffffffff, 0x00040007,
+	mmCGTS_CU7_SP1_CTRL_REG,    0xffffffff, 0x00060005,
+	mmCGTS_CU7_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
+	mmCGTS_SM_CTRL_REG,         0xffffffff, 0x96e00200,
+	mmCP_RB_WPTR_POLL_CNTL,     0xffffffff, 0x00900100,
+	mmRLC_CGCG_CGLS_CTRL,       0xffffffff, 0x0020003c,
+	mmPCIE_INDEX,               0xffffffff, 0x0140001c,
+	mmPCIE_DATA,                0x000f0000, 0x00000000,
+	mmSMC_IND_INDEX_4,          0xffffffff, 0xC060000C,
+	mmSMC_IND_DATA_4,           0xc0000fff, 0x00000100,
+	mmXDMA_CLOCK_GATING_CNTL,   0xffffffff, 0x00000100,
+	mmXDMA_MEM_POWER_CNTL,      0x00000101, 0x00000000,
+	mmMC_MEM_POWER_LS,          0xffffffff, 0x00000104,
+	mmCGTT_DRM_CLK_CTRL0,       0xff000fff, 0x00000100,
+	mmHDP_XDP_CGTT_BLK_CTRL,    0xc0000fff, 0x00000104,
+	mmCP_MEM_SLP_CNTL,          0x00000001, 0x00000001,
+	mmSDMA0_CLK_CTRL,           0xff000ff0, 0x00000100,
+	mmSDMA1_CLK_CTRL,           0xff000ff0, 0x00000100,
+};
+
+static const u32 xgpu_tonga_golden_settings_a11[] = {
+	mmCB_HW_CONTROL, 0xfffdf3cf, 0x00007208,
+	mmCB_HW_CONTROL_3, 0x00000040, 0x00000040,
+	mmDB_DEBUG2, 0xf00fffff, 0x00000400,
+	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
+	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
+	mmFBC_MISC, 0x1f311fff, 0x12300000,
+	mmGB_GPU_ID, 0x0000000f, 0x00000000,
+	mmHDMI_CONTROL, 0x31000111, 0x00000011,
+	mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
+	mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
+	mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
+	mmPA_SC_ENHANCE, 0xffffffff, 0x20000001,
+	mmPA_SC_FIFO_DEPTH_CNTL, 0x000003ff, 0x000000fc,
+	mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000,
+	mmRLC_CGCG_CGLS_CTRL, 0x00000003, 0x0000003c,
+	mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007,
+	mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000,
+	mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007,
+	mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000,
+	mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
+	mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd,
+	mmTA_CNTL_AUX, 0x000f000f, 0x000b0000,
+	mmTCC_CTRL, 0x00100000, 0xf31fff7f,
+	mmTCC_EXE_DISABLE, 0x00000002, 0x00000002,
+	mmTCP_ADDR_CONFIG, 0x000003ff, 0x000002fb,
+	mmTCP_CHAN_STEER_HI, 0xffffffff, 0x0000543b,
+	mmTCP_CHAN_STEER_LO, 0xffffffff, 0xa9210876,
+	mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
+	mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
+	mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
+	mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
+	mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
+};
+
+static const u32 xgpu_tonga_golden_common_all[] = {
+	mmGRBM_GFX_INDEX,               0xffffffff, 0xe0000000,
+	mmPA_SC_RASTER_CONFIG,          0xffffffff, 0x16000012,
+	mmPA_SC_RASTER_CONFIG_1,        0xffffffff, 0x0000002A,
+	mmGB_ADDR_CONFIG,               0xffffffff, 0x22011002,
+	mmSPI_RESOURCE_RESERVE_CU_0,    0xffffffff, 0x00000800,
+	mmSPI_RESOURCE_RESERVE_CU_1,    0xffffffff, 0x00000800,
+	mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF,
+};
+
+void xgpu_vi_init_golden_registers(struct amdgpu_device *adev)
+{
+	switch (adev->asic_type) {
+	case CHIP_FIJI:
+		amdgpu_program_register_sequence(adev,
+						 xgpu_fiji_mgcg_cgcg_init,
+						 (const u32)ARRAY_SIZE(
+						 xgpu_fiji_mgcg_cgcg_init));
+		amdgpu_program_register_sequence(adev,
+						 xgpu_fiji_golden_settings_a10,
+						 (const u32)ARRAY_SIZE(
+						 xgpu_fiji_golden_settings_a10));
+		amdgpu_program_register_sequence(adev,
+						 xgpu_fiji_golden_common_all,
+						 (const u32)ARRAY_SIZE(
+						 xgpu_fiji_golden_common_all));
+		break;
+	case CHIP_TONGA:
+		amdgpu_program_register_sequence(adev,
+						 xgpu_tonga_mgcg_cgcg_init,
+						 (const u32)ARRAY_SIZE(
+						 xgpu_tonga_mgcg_cgcg_init));
+		amdgpu_program_register_sequence(adev,
+						 xgpu_tonga_golden_settings_a11,
+						 (const u32)ARRAY_SIZE(
+						 xgpu_tonga_golden_settings_a11));
+		amdgpu_program_register_sequence(adev,
+						 xgpu_tonga_golden_common_all,
+						 (const u32)ARRAY_SIZE(
+						 xgpu_tonga_golden_common_all));
+		break;
+	default:
+		BUG_ON("Doesn't support chip type.\n");
+		break;
+	}
+}
+
+/*
+ * Mailbox communication between GPU hypervisor and VFs
+ */
+static void xgpu_vi_mailbox_send_ack(struct amdgpu_device *adev)
+{
+	u32 reg;
+
+	reg = RREG32(mmMAILBOX_CONTROL);
+	reg = REG_SET_FIELD(reg, MAILBOX_CONTROL, RCV_MSG_ACK, 1);
+	WREG32(mmMAILBOX_CONTROL, reg);
+}
+
+static void xgpu_vi_mailbox_set_valid(struct amdgpu_device *adev, bool val)
+{
+	u32 reg;
+
+	reg = RREG32(mmMAILBOX_CONTROL);
+	reg = REG_SET_FIELD(reg, MAILBOX_CONTROL,
+			    TRN_MSG_VALID, val ? 1 : 0);
+	WREG32(mmMAILBOX_CONTROL, reg);
+}
+
+static void xgpu_vi_mailbox_trans_msg(struct amdgpu_device *adev,
+				      enum idh_event event)
+{
+	u32 reg;
+
+	reg = RREG32(mmMAILBOX_MSGBUF_TRN_DW0);
+	reg = REG_SET_FIELD(reg, MAILBOX_MSGBUF_TRN_DW0,
+			    MSGBUF_DATA, event);
+	WREG32(mmMAILBOX_MSGBUF_TRN_DW0, reg);
+
+	xgpu_vi_mailbox_set_valid(adev, true);
+}
+
+static int xgpu_vi_mailbox_rcv_msg(struct amdgpu_device *adev,
+				   enum idh_event event)
+{
+	u32 reg;
+
+	reg = RREG32(mmMAILBOX_MSGBUF_RCV_DW0);
+	if (reg != event)
+		return -ENOENT;
+
+	/* send ack to PF */
+	xgpu_vi_mailbox_send_ack(adev);
+
+	return 0;
+}
+
+static int xgpu_vi_poll_ack(struct amdgpu_device *adev)
+{
+	int r = 0, timeout = VI_MAILBOX_TIMEDOUT;
+	u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, TRN_MSG_ACK);
+	u32 reg;
+
+	reg = RREG32(mmMAILBOX_CONTROL);
+	while (!(reg & mask)) {
+		if (timeout <= 0) {
+			pr_err("Doesn't get ack from pf.\n");
+			r = -ETIME;
+			break;
+		}
+		msleep(1);
+		timeout -= 1;
+
+		reg = RREG32(mmMAILBOX_CONTROL);
+	}
+
+	return r;
+}
+
+static int xgpu_vi_poll_msg(struct amdgpu_device *adev, enum idh_event event)
+{
+	int r = 0, timeout = VI_MAILBOX_TIMEDOUT;
+
+	r = xgpu_vi_mailbox_rcv_msg(adev, event);
+	while (r) {
+		if (timeout <= 0) {
+			pr_err("Doesn't get ack from pf.\n");
+			r = -ETIME;
+			break;
+		}
+		msleep(1);
+		timeout -= 1;
+
+		r = xgpu_vi_mailbox_rcv_msg(adev, event);
+	}
+
+	return r;
+}
+
+static int xgpu_vi_send_access_requests(struct amdgpu_device *adev,
+					enum idh_request request)
+{
+	int r;
+
+	xgpu_vi_mailbox_trans_msg(adev, request);
+
+	/* start to poll ack */
+	r = xgpu_vi_poll_ack(adev);
+	if (r)
+		return r;
+
+	xgpu_vi_mailbox_set_valid(adev, false);
+
+	/* start to check msg if request is idh_req_gpu_init_access */
+	if (request == IDH_REQ_GPU_INIT_ACCESS) {
+		r = xgpu_vi_poll_msg(adev, IDH_READY_TO_ACCESS_GPU);
+		if (r)
+			return r;
+	}
+
+	return 0;
+}
+
+static int xgpu_vi_request_reset(struct amdgpu_device *adev)
+{
+	return xgpu_vi_send_access_requests(adev, IDH_REQ_GPU_RESET_ACCESS);
+}
+
+static int xgpu_vi_request_full_gpu_access(struct amdgpu_device *adev,
+					   bool init)
+{
+	enum idh_event event;
+
+	event = init ? IDH_REQ_GPU_INIT_ACCESS : IDH_REQ_GPU_FINI_ACCESS;
+	return xgpu_vi_send_access_requests(adev, event);
+}
+
+static int xgpu_vi_release_full_gpu_access(struct amdgpu_device *adev,
+					   bool init)
+{
+	enum idh_event event;
+	int r = 0;
+
+	event = init ? IDH_REL_GPU_INIT_ACCESS : IDH_REL_GPU_FINI_ACCESS;
+	r = xgpu_vi_send_access_requests(adev, event);
+
+	return r;
+}
+
+/* add support mailbox interrupts */
+static int xgpu_vi_mailbox_ack_irq(struct amdgpu_device *adev,
+				   struct amdgpu_irq_src *source,
+				   struct amdgpu_iv_entry *entry)
+{
+	DRM_DEBUG("get ack intr and do nothing.\n");
+	return 0;
+}
+
+static int xgpu_vi_set_mailbox_ack_irq(struct amdgpu_device *adev,
+				       struct amdgpu_irq_src *src,
+				       unsigned type,
+				       enum amdgpu_interrupt_state state)
+{
+	u32 tmp = RREG32(mmMAILBOX_INT_CNTL);
+
+	tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, ACK_INT_EN,
+			    (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
+	WREG32(mmMAILBOX_INT_CNTL, tmp);
+
+	return 0;
+}
+
+static void xgpu_vi_mailbox_flr_work(struct work_struct *work)
+{
+	struct amdgpu_virt *virt = container_of(work,
+					struct amdgpu_virt, flr_work.work);
+	struct amdgpu_device *adev = container_of(virt,
+					struct amdgpu_device, virt);
+	int r = 0;
+
+	r = xgpu_vi_poll_msg(adev, IDH_FLR_NOTIFICATION_CMPL);
+	if (r)
+		DRM_ERROR("failed to get flr cmpl msg from hypervior.\n");
+
+	/* TODO: need to restore gfx states */
+}
+
+static int xgpu_vi_set_mailbox_rcv_irq(struct amdgpu_device *adev,
+				       struct amdgpu_irq_src *src,
+				       unsigned type,
+				       enum amdgpu_interrupt_state state)
+{
+	u32 tmp = RREG32(mmMAILBOX_INT_CNTL);
+
+	tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, VALID_INT_EN,
+			    (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
+	WREG32(mmMAILBOX_INT_CNTL, tmp);
+
+	return 0;
+}
+
+static int xgpu_vi_mailbox_rcv_irq(struct amdgpu_device *adev,
+				   struct amdgpu_irq_src *source,
+				   struct amdgpu_iv_entry *entry)
+{
+	int r;
+
+	adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME;
+	r = xgpu_vi_mailbox_rcv_msg(adev, IDH_FLR_NOTIFICATION);
+	/* do nothing for other msg */
+	if (r)
+		return 0;
+
+	/* TODO: need to save gfx states */
+	schedule_delayed_work(&adev->virt.flr_work,
+			      msecs_to_jiffies(VI_MAILBOX_RESET_TIME));
+
+	return 0;
+}
+
+static const struct amdgpu_irq_src_funcs xgpu_vi_mailbox_ack_irq_funcs = {
+	.set = xgpu_vi_set_mailbox_ack_irq,
+	.process = xgpu_vi_mailbox_ack_irq,
+};
+
+static const struct amdgpu_irq_src_funcs xgpu_vi_mailbox_rcv_irq_funcs = {
+	.set = xgpu_vi_set_mailbox_rcv_irq,
+	.process = xgpu_vi_mailbox_rcv_irq,
+};
+
+void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev)
+{
+	adev->virt.ack_irq.num_types = 1;
+	adev->virt.ack_irq.funcs = &xgpu_vi_mailbox_ack_irq_funcs;
+	adev->virt.rcv_irq.num_types = 1;
+	adev->virt.rcv_irq.funcs = &xgpu_vi_mailbox_rcv_irq_funcs;
+}
+
+int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev)
+{
+	int r;
+
+	r = amdgpu_irq_add_id(adev, 135, &adev->virt.rcv_irq);
+	if (r)
+		return r;
+
+	r = amdgpu_irq_add_id(adev, 138, &adev->virt.ack_irq);
+	if (r) {
+		amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
+		return r;
+	}
+
+	return 0;
+}
+
+int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev)
+{
+	int r;
+
+	r = amdgpu_irq_get(adev, &adev->virt.rcv_irq, 0);
+	if (r)
+		return r;
+	r = amdgpu_irq_get(adev, &adev->virt.ack_irq, 0);
+	if (r) {
+		amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
+		return r;
+	}
+
+	INIT_DELAYED_WORK(&adev->virt.flr_work, xgpu_vi_mailbox_flr_work);
+
+	return 0;
+}
+
+void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev)
+{
+	cancel_delayed_work_sync(&adev->virt.flr_work);
+	amdgpu_irq_put(adev, &adev->virt.ack_irq, 0);
+	amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
+}
+
+const struct amdgpu_virt_ops xgpu_vi_virt_ops = {
+	.req_full_gpu		= xgpu_vi_request_full_gpu_access,
+	.rel_full_gpu		= xgpu_vi_release_full_gpu_access,
+	.reset_gpu		= xgpu_vi_request_reset,
+};

drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h

+/*
+ * Copyright 2017 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.
+ */
+
+#ifndef __MXGPU_VI_H__
+#define __MXGPU_VI_H__
+
+#define VI_MAILBOX_TIMEDOUT	150
+#define VI_MAILBOX_RESET_TIME	12
+
+/* VI mailbox messages request */
+enum idh_request {
+	IDH_REQ_GPU_INIT_ACCESS	= 1,
+	IDH_REL_GPU_INIT_ACCESS,
+	IDH_REQ_GPU_FINI_ACCESS,
+	IDH_REL_GPU_FINI_ACCESS,
+	IDH_REQ_GPU_RESET_ACCESS
+};
+
+/* VI mailbox messages data */
+enum idh_event {
+	IDH_CLR_MSG_BUF = 0,
+	IDH_READY_TO_ACCESS_GPU,
+	IDH_FLR_NOTIFICATION,
+	IDH_FLR_NOTIFICATION_CMPL,
+	IDH_EVENT_MAX
+};
+
+extern const struct amdgpu_virt_ops xgpu_vi_virt_ops;
+
+void xgpu_vi_init_golden_registers(struct amdgpu_device *adev);
+void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev);
+int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev);
+int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev);
+void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev);
+
+#endif