drm/amdgpu: add gfx ip block for sienna_cichlid (v3)

Add support for GC 10.3.

v2: Squash in gb_addr_config fix (Alex)
v3: Add num_pkrs support (Alex)

Signed-off-by: Likun Gao <[e-mail]>
Reviewed-by: Hawking Zhang <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 	uint8_t num_banks;
 	uint8_t num_se;
 	uint8_t num_rb_per_se;
+	uint8_t num_pkrs;
 };
 
 struct amdgpu_gfx_config {

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

···
 #define mmCGTT_GS_NGG_CLK_CTRL	0x5087
 #define mmCGTT_GS_NGG_CLK_CTRL_BASE_IDX	1
 
+#define GB_ADDR_CONFIG__NUM_PKRS__SHIFT                                                                       0x8
+#define GB_ADDR_CONFIG__NUM_PKRS_MASK                                                                         0x00000700L
+
 MODULE_FIRMWARE("amdgpu/navi10_ce.bin");
 MODULE_FIRMWARE("amdgpu/navi10_pfp.bin");
 MODULE_FIRMWARE("amdgpu/navi10_me.bin");
···
 		adev->gfx.config.sc_earlyz_tile_fifo_size = 0x4C0;
 		gb_addr_config = RREG32_SOC15(GC, 0, mmGB_ADDR_CONFIG);
 		break;
+	case CHIP_SIENNA_CICHLID:
+		adev->gfx.config.max_hw_contexts = 8;
+		adev->gfx.config.sc_prim_fifo_size_frontend = 0x20;
+		adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
+		adev->gfx.config.sc_hiz_tile_fifo_size = 0;
+		adev->gfx.config.sc_earlyz_tile_fifo_size = 0x4C0;
+		gb_addr_config = RREG32_SOC15(GC, 0, mmGB_ADDR_CONFIG);
+		adev->gfx.config.gb_addr_config_fields.num_pkrs =
+			1 << REG_GET_FIELD(gb_addr_config, GB_ADDR_CONFIG, NUM_PKRS);
+		break;
 	default:
 		BUG();
 		break;
···
 	case CHIP_NAVI10:
 	case CHIP_NAVI14:
 	case CHIP_NAVI12:
+	case CHIP_SIENNA_CICHLID:
 		adev->gfx.me.num_me = 1;
 		adev->gfx.me.num_pipe_per_me = 1;
 		adev->gfx.me.num_queue_per_pipe = 1;
···
 	switch (adev->asic_type) {
 	case CHIP_NAVI10:
 	case CHIP_NAVI14:
+	case CHIP_SIENNA_CICHLID:
 		adev->gfx.rlc.funcs = &gfx_v10_0_rlc_funcs;
 		break;
 	case CHIP_NAVI12:

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

···
 		amdgpu_device_ip_block_add(adev, &nv_common_ip_block);
 		amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
 		amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
+		amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
 		break;
 	default:
 		return -EINVAL;