drm/amdgpu: query aldebaran gfx_config through atomfirmware i/f

For ASICs that don't support ip discovery feature, query
gfx configuration through atomfirmware interface, rather
than gpu_info firmware.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -501,6 +501,7 @@ int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
 
 union gfx_info {
 	struct atom_gfx_info_v2_4 v24;
+	struct atom_gfx_info_v2_7 v27;
 };
 
 int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
@@ -535,6 +536,22 @@ int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
 			adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v24.gc_max_scratch_slots_per_cu;
 			adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v24.gc_lds_size);
 			return 0;
+		case 7:
+			adev->gfx.config.max_shader_engines = gfx_info->v27.max_shader_engines;
+			adev->gfx.config.max_cu_per_sh = gfx_info->v27.max_cu_per_sh;
+			adev->gfx.config.max_sh_per_se = gfx_info->v27.max_sh_per_se;
+			adev->gfx.config.max_backends_per_se = gfx_info->v27.max_backends_per_se;
+			adev->gfx.config.max_texture_channel_caches = gfx_info->v27.max_texture_channel_caches;
+			adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v27.gc_num_gprs);
+			adev->gfx.config.max_gs_threads = gfx_info->v27.gc_num_max_gs_thds;
+			adev->gfx.config.gs_vgt_table_depth = gfx_info->v27.gc_gs_table_depth;
+			adev->gfx.config.gs_prim_buffer_depth = le16_to_cpu(gfx_info->v27.gc_gsprim_buff_depth);
+			adev->gfx.config.double_offchip_lds_buf = gfx_info->v27.gc_double_offchip_lds_buffer;
+			adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v27.gc_wave_size);
+			adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v27.gc_max_waves_per_simd);
+			adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v27.gc_max_scratch_slots_per_cu;
+			adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v27.gc_lds_size);
+			return 0;
 		default:
 			return -EINVAL;
 		}

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

@@ -2188,6 +2188,10 @@ static int gfx_v9_0_gpu_early_init(struct amdgpu_device *adev)
 		gb_addr_config = RREG32_SOC15(GC, 0, mmGB_ADDR_CONFIG);
 		gb_addr_config &= ~0xf3e777ff;
 		gb_addr_config |= 0x22014042;
+		/* check vbios table if gpu info is not available */
+		err = amdgpu_atomfirmware_get_gfx_info(adev);
+		if (err)
+			return err;
 		break;
 	default:
 		BUG();

drivers/gpu/drm/amd/include/atomfirmware.h

@@ -1531,6 +1531,47 @@ struct  atom_gfx_info_v2_4
   uint32_t sram_custom_rm_fuses_val;
 };
 
+struct atom_gfx_info_v2_7 {
+	struct atom_common_table_header table_header;
+	uint8_t gfxip_min_ver;
+	uint8_t gfxip_max_ver;
+	uint8_t max_shader_engines;
+	uint8_t reserved;
+	uint8_t max_cu_per_sh;
+	uint8_t max_sh_per_se;
+	uint8_t max_backends_per_se;
+	uint8_t max_texture_channel_caches;
+	uint32_t regaddr_cp_dma_src_addr;
+	uint32_t regaddr_cp_dma_src_addr_hi;
+	uint32_t regaddr_cp_dma_dst_addr;
+	uint32_t regaddr_cp_dma_dst_addr_hi;
+	uint32_t regaddr_cp_dma_command;
+	uint32_t regaddr_cp_status;
+	uint32_t regaddr_rlc_gpu_clock_32;
+	uint32_t rlc_gpu_timer_refclk;
+	uint8_t active_cu_per_sh;
+	uint8_t active_rb_per_se;
+	uint16_t gcgoldenoffset;
+	uint16_t gc_num_gprs;
+	uint16_t gc_gsprim_buff_depth;
+	uint16_t gc_parameter_cache_depth;
+	uint16_t gc_wave_size;
+	uint16_t gc_max_waves_per_simd;
+	uint16_t gc_lds_size;
+	uint8_t gc_num_max_gs_thds;
+	uint8_t gc_gs_table_depth;
+	uint8_t gc_double_offchip_lds_buffer;
+	uint8_t gc_max_scratch_slots_per_cu;
+	uint32_t sram_rm_fuses_val;
+	uint32_t sram_custom_rm_fuses_val;
+	uint8_t cut_cu;
+	uint8_t active_cu_total;
+	uint8_t cu_reserved[2];
+	uint32_t gc_config;
+	uint8_t inactive_cu_per_se[8];
+	uint32_t reserved2[6];
+};
+
 /* 
   ***************************************************************************
     Data Table smu_info  structure