/* $OpenBSD: ni.c,v 1.10 2015/04/18 14:47:35 jsg Exp $ */ /* * Copyright 2010 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: Alex Deucher */ #include #include "radeon.h" #include "radeon_asic.h" #include #include "nid.h" #include "atom.h" #include "ni_reg.h" #include "cayman_blit_shaders.h" extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save); extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save); extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev); extern void evergreen_mc_program(struct radeon_device *rdev); extern void evergreen_irq_suspend(struct radeon_device *rdev); extern int evergreen_mc_init(struct radeon_device *rdev); extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev); extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev); extern void si_rlc_fini(struct radeon_device *rdev); extern int si_rlc_init(struct radeon_device *rdev); #define EVERGREEN_PFP_UCODE_SIZE 1120 #define EVERGREEN_PM4_UCODE_SIZE 1376 #define EVERGREEN_RLC_UCODE_SIZE 768 #define BTC_MC_UCODE_SIZE 6024 #define CAYMAN_PFP_UCODE_SIZE 2176 #define CAYMAN_PM4_UCODE_SIZE 2176 #define CAYMAN_RLC_UCODE_SIZE 1024 #define CAYMAN_MC_UCODE_SIZE 6037 #define ARUBA_RLC_UCODE_SIZE 1536 /* Firmware Names */ MODULE_FIRMWARE("radeon/BARTS_pfp.bin"); MODULE_FIRMWARE("radeon/BARTS_me.bin"); MODULE_FIRMWARE("radeon/BARTS_mc.bin"); MODULE_FIRMWARE("radeon/BTC_rlc.bin"); MODULE_FIRMWARE("radeon/TURKS_pfp.bin"); MODULE_FIRMWARE("radeon/TURKS_me.bin"); MODULE_FIRMWARE("radeon/TURKS_mc.bin"); MODULE_FIRMWARE("radeon/CAICOS_pfp.bin"); MODULE_FIRMWARE("radeon/CAICOS_me.bin"); MODULE_FIRMWARE("radeon/CAICOS_mc.bin"); MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin"); MODULE_FIRMWARE("radeon/CAYMAN_me.bin"); MODULE_FIRMWARE("radeon/CAYMAN_mc.bin"); MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin"); MODULE_FIRMWARE("radeon/ARUBA_pfp.bin"); MODULE_FIRMWARE("radeon/ARUBA_me.bin"); MODULE_FIRMWARE("radeon/ARUBA_rlc.bin"); #define BTC_IO_MC_REGS_SIZE 29 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { {0x00000077, 0xff010100}, {0x00000078, 0x00000000}, {0x00000079, 0x00001434}, {0x0000007a, 0xcc08ec08}, {0x0000007b, 0x00040000}, {0x0000007c, 0x000080c0}, {0x0000007d, 0x09000000}, {0x0000007e, 0x00210404}, {0x00000081, 0x08a8e800}, {0x00000082, 0x00030444}, {0x00000083, 0x00000000}, {0x00000085, 0x00000001}, {0x00000086, 0x00000002}, {0x00000087, 0x48490000}, {0x00000088, 0x20244647}, {0x00000089, 0x00000005}, {0x0000008b, 0x66030000}, {0x0000008c, 0x00006603}, {0x0000008d, 0x00000100}, {0x0000008f, 0x00001c0a}, {0x00000090, 0xff000001}, {0x00000094, 0x00101101}, {0x00000095, 0x00000fff}, {0x00000096, 0x00116fff}, {0x00000097, 0x60010000}, {0x00000098, 0x10010000}, {0x00000099, 0x00006000}, {0x0000009a, 0x00001000}, {0x0000009f, 0x00946a00} }; static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { {0x00000077, 0xff010100}, {0x00000078, 0x00000000}, {0x00000079, 0x00001434}, {0x0000007a, 0xcc08ec08}, {0x0000007b, 0x00040000}, {0x0000007c, 0x000080c0}, {0x0000007d, 0x09000000}, {0x0000007e, 0x00210404}, {0x00000081, 0x08a8e800}, {0x00000082, 0x00030444}, {0x00000083, 0x00000000}, {0x00000085, 0x00000001}, {0x00000086, 0x00000002}, {0x00000087, 0x48490000}, {0x00000088, 0x20244647}, {0x00000089, 0x00000005}, {0x0000008b, 0x66030000}, {0x0000008c, 0x00006603}, {0x0000008d, 0x00000100}, {0x0000008f, 0x00001c0a}, {0x00000090, 0xff000001}, {0x00000094, 0x00101101}, {0x00000095, 0x00000fff}, {0x00000096, 0x00116fff}, {0x00000097, 0x60010000}, {0x00000098, 0x10010000}, {0x00000099, 0x00006000}, {0x0000009a, 0x00001000}, {0x0000009f, 0x00936a00} }; static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { {0x00000077, 0xff010100}, {0x00000078, 0x00000000}, {0x00000079, 0x00001434}, {0x0000007a, 0xcc08ec08}, {0x0000007b, 0x00040000}, {0x0000007c, 0x000080c0}, {0x0000007d, 0x09000000}, {0x0000007e, 0x00210404}, {0x00000081, 0x08a8e800}, {0x00000082, 0x00030444}, {0x00000083, 0x00000000}, {0x00000085, 0x00000001}, {0x00000086, 0x00000002}, {0x00000087, 0x48490000}, {0x00000088, 0x20244647}, {0x00000089, 0x00000005}, {0x0000008b, 0x66030000}, {0x0000008c, 0x00006603}, {0x0000008d, 0x00000100}, {0x0000008f, 0x00001c0a}, {0x00000090, 0xff000001}, {0x00000094, 0x00101101}, {0x00000095, 0x00000fff}, {0x00000096, 0x00116fff}, {0x00000097, 0x60010000}, {0x00000098, 0x10010000}, {0x00000099, 0x00006000}, {0x0000009a, 0x00001000}, {0x0000009f, 0x00916a00} }; static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { {0x00000077, 0xff010100}, {0x00000078, 0x00000000}, {0x00000079, 0x00001434}, {0x0000007a, 0xcc08ec08}, {0x0000007b, 0x00040000}, {0x0000007c, 0x000080c0}, {0x0000007d, 0x09000000}, {0x0000007e, 0x00210404}, {0x00000081, 0x08a8e800}, {0x00000082, 0x00030444}, {0x00000083, 0x00000000}, {0x00000085, 0x00000001}, {0x00000086, 0x00000002}, {0x00000087, 0x48490000}, {0x00000088, 0x20244647}, {0x00000089, 0x00000005}, {0x0000008b, 0x66030000}, {0x0000008c, 0x00006603}, {0x0000008d, 0x00000100}, {0x0000008f, 0x00001c0a}, {0x00000090, 0xff000001}, {0x00000094, 0x00101101}, {0x00000095, 0x00000fff}, {0x00000096, 0x00116fff}, {0x00000097, 0x60010000}, {0x00000098, 0x10010000}, {0x00000099, 0x00006000}, {0x0000009a, 0x00001000}, {0x0000009f, 0x00976b00} }; int ni_mc_load_microcode(struct radeon_device *rdev) { const __be32 *fw_data; u32 mem_type, running, blackout = 0; u32 *io_mc_regs; int i, ucode_size, regs_size; if (!rdev->mc_fw) return -EINVAL; switch (rdev->family) { case CHIP_BARTS: io_mc_regs = (u32 *)&barts_io_mc_regs; ucode_size = BTC_MC_UCODE_SIZE; regs_size = BTC_IO_MC_REGS_SIZE; break; case CHIP_TURKS: io_mc_regs = (u32 *)&turks_io_mc_regs; ucode_size = BTC_MC_UCODE_SIZE; regs_size = BTC_IO_MC_REGS_SIZE; break; case CHIP_CAICOS: default: io_mc_regs = (u32 *)&caicos_io_mc_regs; ucode_size = BTC_MC_UCODE_SIZE; regs_size = BTC_IO_MC_REGS_SIZE; break; case CHIP_CAYMAN: io_mc_regs = (u32 *)&cayman_io_mc_regs; ucode_size = CAYMAN_MC_UCODE_SIZE; regs_size = BTC_IO_MC_REGS_SIZE; break; } mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT; running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK; if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) { if (running) { blackout = RREG32(MC_SHARED_BLACKOUT_CNTL); WREG32(MC_SHARED_BLACKOUT_CNTL, 1); } /* reset the engine and set to writable */ WREG32(MC_SEQ_SUP_CNTL, 0x00000008); WREG32(MC_SEQ_SUP_CNTL, 0x00000010); /* load mc io regs */ for (i = 0; i < regs_size; i++) { WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]); WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]); } /* load the MC ucode */ fw_data = (const __be32 *)rdev->mc_fw; for (i = 0; i < ucode_size; i++) WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++)); /* put the engine back into the active state */ WREG32(MC_SEQ_SUP_CNTL, 0x00000008); WREG32(MC_SEQ_SUP_CNTL, 0x00000004); WREG32(MC_SEQ_SUP_CNTL, 0x00000001); /* wait for training to complete */ for (i = 0; i < rdev->usec_timeout; i++) { if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD) break; udelay(1); } if (running) WREG32(MC_SHARED_BLACKOUT_CNTL, blackout); } return 0; } int ni_init_microcode(struct radeon_device *rdev) { const char *chip_name; const char *rlc_chip_name; size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size; char fw_name[30]; int err; DRM_DEBUG("\n"); switch (rdev->family) { case CHIP_BARTS: chip_name = "barts"; rlc_chip_name = "btc"; pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; mc_req_size = BTC_MC_UCODE_SIZE * 4; break; case CHIP_TURKS: chip_name = "turks"; rlc_chip_name = "btc"; pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; mc_req_size = BTC_MC_UCODE_SIZE * 4; break; case CHIP_CAICOS: chip_name = "caicos"; rlc_chip_name = "btc"; pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; mc_req_size = BTC_MC_UCODE_SIZE * 4; break; case CHIP_CAYMAN: chip_name = "cayman"; rlc_chip_name = "cayman"; pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4; me_req_size = CAYMAN_PM4_UCODE_SIZE * 4; rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4; mc_req_size = CAYMAN_MC_UCODE_SIZE * 4; break; case CHIP_ARUBA: chip_name = "aruba"; rlc_chip_name = "aruba"; /* pfp/me same size as CAYMAN */ pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4; me_req_size = CAYMAN_PM4_UCODE_SIZE * 4; rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4; mc_req_size = 0; break; default: BUG(); } DRM_INFO("Loading %s Microcode\n", chip_name); snprintf(fw_name, sizeof(fw_name), "radeon-%s_pfp", chip_name); err = loadfirmware(fw_name, &rdev->pfp_fw, &rdev->pfp_fw_size); if (err) goto out; if (rdev->pfp_fw_size != pfp_req_size) { DRM_ERROR( "ni_cp: Bogus length %zu in firmware \"%s\"\n", rdev->pfp_fw_size, fw_name); err = -EINVAL; goto out; } snprintf(fw_name, sizeof(fw_name), "radeon-%s_me", chip_name); err = loadfirmware(fw_name, &rdev->me_fw, &rdev->me_fw_size); if (err) goto out; if (rdev->me_fw_size != me_req_size) { DRM_ERROR( "ni_cp: Bogus length %zu in firmware \"%s\"\n", rdev->me_fw_size, fw_name); err = -EINVAL; } snprintf(fw_name, sizeof(fw_name), "radeon-%s_rlc", rlc_chip_name); err = loadfirmware(fw_name, &rdev->rlc_fw, &rdev->rlc_fw_size); if (err) goto out; if (rdev->rlc_fw_size != rlc_req_size) { DRM_ERROR( "ni_rlc: Bogus length %zu in firmware \"%s\"\n", rdev->rlc_fw_size, fw_name); err = -EINVAL; } /* no MC ucode on TN */ if (!(rdev->flags & RADEON_IS_IGP)) { snprintf(fw_name, sizeof(fw_name), "radeon-%s_mc", chip_name); err = loadfirmware(fw_name, &rdev->mc_fw, &rdev->mc_fw_size); if (err) goto out; if (rdev->mc_fw_size != mc_req_size) { DRM_ERROR( "ni_mc: Bogus length %zu in firmware \"%s\"\n", rdev->mc_fw_size, fw_name); err = -EINVAL; } } out: if (err) { if (err != -EINVAL) DRM_ERROR( "ni_cp: Failed to load firmware \"%s\"\n", fw_name); if (rdev->pfp_fw) { free(rdev->pfp_fw, M_DEVBUF, 0); rdev->pfp_fw = NULL; } if (rdev->me_fw) { free(rdev->me_fw, M_DEVBUF, 0); rdev->me_fw = NULL; } if (rdev->rlc_fw) { free(rdev->rlc_fw, M_DEVBUF, 0); rdev->rlc_fw = NULL; } if (rdev->mc_fw) { free(rdev->mc_fw, M_DEVBUF, 0); rdev->mc_fw = NULL; } } return err; } /* * Core functions */ static void cayman_gpu_init(struct radeon_device *rdev) { u32 gb_addr_config = 0; u32 mc_shared_chmap, mc_arb_ramcfg; u32 cgts_tcc_disable; u32 sx_debug_1; u32 smx_dc_ctl0; u32 cgts_sm_ctrl_reg; u32 hdp_host_path_cntl; u32 tmp; u32 disabled_rb_mask; int i, j; switch (rdev->family) { case CHIP_CAYMAN: rdev->config.cayman.max_shader_engines = 2; rdev->config.cayman.max_pipes_per_simd = 4; rdev->config.cayman.max_tile_pipes = 8; rdev->config.cayman.max_simds_per_se = 12; rdev->config.cayman.max_backends_per_se = 4; rdev->config.cayman.max_texture_channel_caches = 8; rdev->config.cayman.max_gprs = 256; rdev->config.cayman.max_threads = 256; rdev->config.cayman.max_gs_threads = 32; rdev->config.cayman.max_stack_entries = 512; rdev->config.cayman.sx_num_of_sets = 8; rdev->config.cayman.sx_max_export_size = 256; rdev->config.cayman.sx_max_export_pos_size = 64; rdev->config.cayman.sx_max_export_smx_size = 192; rdev->config.cayman.max_hw_contexts = 8; rdev->config.cayman.sq_num_cf_insts = 2; rdev->config.cayman.sc_prim_fifo_size = 0x100; rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30; rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130; gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN; break; case CHIP_ARUBA: default: rdev->config.cayman.max_shader_engines = 1; rdev->config.cayman.max_pipes_per_simd = 4; rdev->config.cayman.max_tile_pipes = 2; if ((rdev->pdev->device == 0x9900) || (rdev->pdev->device == 0x9901) || (rdev->pdev->device == 0x9905) || (rdev->pdev->device == 0x9906) || (rdev->pdev->device == 0x9907) || (rdev->pdev->device == 0x9908) || (rdev->pdev->device == 0x9909) || (rdev->pdev->device == 0x990B) || (rdev->pdev->device == 0x990C) || (rdev->pdev->device == 0x990F) || (rdev->pdev->device == 0x9910) || (rdev->pdev->device == 0x9917) || (rdev->pdev->device == 0x9999) || (rdev->pdev->device == 0x999C)) { rdev->config.cayman.max_simds_per_se = 6; rdev->config.cayman.max_backends_per_se = 2; rdev->config.cayman.max_hw_contexts = 8; rdev->config.cayman.sx_max_export_size = 256; rdev->config.cayman.sx_max_export_pos_size = 64; rdev->config.cayman.sx_max_export_smx_size = 192; } else if ((rdev->pdev->device == 0x9903) || (rdev->pdev->device == 0x9904) || (rdev->pdev->device == 0x990A) || (rdev->pdev->device == 0x990D) || (rdev->pdev->device == 0x990E) || (rdev->pdev->device == 0x9913) || (rdev->pdev->device == 0x9918) || (rdev->pdev->device == 0x999D)) { rdev->config.cayman.max_simds_per_se = 4; rdev->config.cayman.max_backends_per_se = 2; rdev->config.cayman.max_hw_contexts = 8; rdev->config.cayman.sx_max_export_size = 256; rdev->config.cayman.sx_max_export_pos_size = 64; rdev->config.cayman.sx_max_export_smx_size = 192; } else if ((rdev->pdev->device == 0x9919) || (rdev->pdev->device == 0x9990) || (rdev->pdev->device == 0x9991) || (rdev->pdev->device == 0x9994) || (rdev->pdev->device == 0x9995) || (rdev->pdev->device == 0x9996) || (rdev->pdev->device == 0x999A) || (rdev->pdev->device == 0x99A0)) { rdev->config.cayman.max_simds_per_se = 3; rdev->config.cayman.max_backends_per_se = 1; rdev->config.cayman.max_hw_contexts = 4; rdev->config.cayman.sx_max_export_size = 128; rdev->config.cayman.sx_max_export_pos_size = 32; rdev->config.cayman.sx_max_export_smx_size = 96; } else { rdev->config.cayman.max_simds_per_se = 2; rdev->config.cayman.max_backends_per_se = 1; rdev->config.cayman.max_hw_contexts = 4; rdev->config.cayman.sx_max_export_size = 128; rdev->config.cayman.sx_max_export_pos_size = 32; rdev->config.cayman.sx_max_export_smx_size = 96; } rdev->config.cayman.max_texture_channel_caches = 2; rdev->config.cayman.max_gprs = 256; rdev->config.cayman.max_threads = 256; rdev->config.cayman.max_gs_threads = 32; rdev->config.cayman.max_stack_entries = 512; rdev->config.cayman.sx_num_of_sets = 8; rdev->config.cayman.sq_num_cf_insts = 2; rdev->config.cayman.sc_prim_fifo_size = 0x40; rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30; rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130; gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN; break; } /* Initialize HDP */ for (i = 0, j = 0; i < 32; i++, j += 0x18) { WREG32((0x2c14 + j), 0x00000000); WREG32((0x2c18 + j), 0x00000000); WREG32((0x2c1c + j), 0x00000000); WREG32((0x2c20 + j), 0x00000000); WREG32((0x2c24 + j), 0x00000000); } WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); evergreen_fix_pci_max_read_req_size(rdev); mc_shared_chmap = RREG32(MC_SHARED_CHMAP); mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT; rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024; if (rdev->config.cayman.mem_row_size_in_kb > 4) rdev->config.cayman.mem_row_size_in_kb = 4; /* XXX use MC settings? */ rdev->config.cayman.shader_engine_tile_size = 32; rdev->config.cayman.num_gpus = 1; rdev->config.cayman.multi_gpu_tile_size = 64; tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT; rdev->config.cayman.num_tile_pipes = (1 << tmp); tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT; rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256; tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT; rdev->config.cayman.num_shader_engines = tmp + 1; tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT; rdev->config.cayman.num_gpus = tmp + 1; tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT; rdev->config.cayman.multi_gpu_tile_size = 1 << tmp; tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT; rdev->config.cayman.mem_row_size_in_kb = 1 << tmp; /* setup tiling info dword. gb_addr_config is not adequate since it does * not have bank info, so create a custom tiling dword. * bits 3:0 num_pipes * bits 7:4 num_banks * bits 11:8 group_size * bits 15:12 row_size */ rdev->config.cayman.tile_config = 0; switch (rdev->config.cayman.num_tile_pipes) { case 1: default: rdev->config.cayman.tile_config |= (0 << 0); break; case 2: rdev->config.cayman.tile_config |= (1 << 0); break; case 4: rdev->config.cayman.tile_config |= (2 << 0); break; case 8: rdev->config.cayman.tile_config |= (3 << 0); break; } /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */ if (rdev->flags & RADEON_IS_IGP) rdev->config.cayman.tile_config |= 1 << 4; else { switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { case 0: /* four banks */ rdev->config.cayman.tile_config |= 0 << 4; break; case 1: /* eight banks */ rdev->config.cayman.tile_config |= 1 << 4; break; case 2: /* sixteen banks */ default: rdev->config.cayman.tile_config |= 2 << 4; break; } } rdev->config.cayman.tile_config |= ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; rdev->config.cayman.tile_config |= ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12; tmp = 0; for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) { u32 rb_disable_bitmap; WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i)); rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16; tmp <<= 4; tmp |= rb_disable_bitmap; } /* enabled rb are just the one not disabled :) */ disabled_rb_mask = tmp; WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES); WREG32(GB_ADDR_CONFIG, gb_addr_config); WREG32(DMIF_ADDR_CONFIG, gb_addr_config); if (ASIC_IS_DCE6(rdev)) WREG32(DMIF_ADDR_CALC, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config); WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config); if ((rdev->config.cayman.max_backends_per_se == 1) && (rdev->flags & RADEON_IS_IGP)) { if ((disabled_rb_mask & 3) == 1) { /* RB0 disabled, RB1 enabled */ tmp = 0x11111111; } else { /* RB1 disabled, RB0 enabled */ tmp = 0x00000000; } } else { tmp = gb_addr_config & NUM_PIPES_MASK; tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines, CAYMAN_MAX_BACKENDS, disabled_rb_mask); } WREG32(GB_BACKEND_MAP, tmp); cgts_tcc_disable = 0xffff0000; for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++) cgts_tcc_disable &= ~(1 << (16 + i)); WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable); WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable); WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable); WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable); /* reprogram the shader complex */ cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG); for (i = 0; i < 16; i++) WREG32(CGTS_SM_CTRL_REG, OVERRIDE); WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg); /* set HW defaults for 3D engine */ WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60)); sx_debug_1 = RREG32(SX_DEBUG_1); sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS; WREG32(SX_DEBUG_1, sx_debug_1); smx_dc_ctl0 = RREG32(SMX_DC_CTL0); smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff); smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets); WREG32(SMX_DC_CTL0, smx_dc_ctl0); WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE); /* need to be explicitly zero-ed */ WREG32(VGT_OFFCHIP_LDS_BASE, 0); WREG32(SQ_LSTMP_RING_BASE, 0); WREG32(SQ_HSTMP_RING_BASE, 0); WREG32(SQ_ESTMP_RING_BASE, 0); WREG32(SQ_GSTMP_RING_BASE, 0); WREG32(SQ_VSTMP_RING_BASE, 0); WREG32(SQ_PSTMP_RING_BASE, 0); WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO); WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) | POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) | SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1))); WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) | SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) | SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size))); WREG32(VGT_NUM_INSTANCES, 1); WREG32(CP_PERFMON_CNTL, 0); WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) | FETCH_FIFO_HIWATER(0x4) | DONE_FIFO_HIWATER(0xe0) | ALU_UPDATE_FIFO_HIWATER(0x8))); WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4)); WREG32(SQ_CONFIG, (VC_ENABLE | EXPORT_SRC_C | GFX_PRIO(0) | CS1_PRIO(0) | CS2_PRIO(1))); WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE); WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) | FORCE_EOV_MAX_REZ_CNT(255))); WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) | AUTO_INVLD_EN(ES_AND_GS_AUTO)); WREG32(VGT_GS_VERTEX_REUSE, 16); WREG32(PA_SC_LINE_STIPPLE_STATE, 0); WREG32(CB_PERF_CTR0_SEL_0, 0); WREG32(CB_PERF_CTR0_SEL_1, 0); WREG32(CB_PERF_CTR1_SEL_0, 0); WREG32(CB_PERF_CTR1_SEL_1, 0); WREG32(CB_PERF_CTR2_SEL_0, 0); WREG32(CB_PERF_CTR2_SEL_1, 0); WREG32(CB_PERF_CTR3_SEL_0, 0); WREG32(CB_PERF_CTR3_SEL_1, 0); tmp = RREG32(HDP_MISC_CNTL); tmp |= HDP_FLUSH_INVALIDATE_CACHE; WREG32(HDP_MISC_CNTL, tmp); hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); udelay(50); } /* * GART */ void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev) { /* flush hdp cache */ WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); /* bits 0-7 are the VM contexts0-7 */ WREG32(VM_INVALIDATE_REQUEST, 1); } static int cayman_pcie_gart_enable(struct radeon_device *rdev) { int i, r; if (rdev->gart.robj == NULL) { dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); return -EINVAL; } r = radeon_gart_table_vram_pin(rdev); if (r) return r; radeon_gart_restore(rdev); /* Setup TLB control */ WREG32(MC_VM_MX_L1_TLB_CNTL, (0xA << 7) | ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | SYSTEM_ACCESS_MODE_NOT_IN_SYS | ENABLE_ADVANCED_DRIVER_MODEL | SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); /* Setup L2 cache */ WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | EFFECTIVE_L2_QUEUE_SIZE(7) | CONTEXT1_IDENTITY_ACCESS_MODE(1)); WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE); WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | L2_CACHE_BIGK_FRAGMENT_SIZE(6)); /* setup context0 */ WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(rdev->dummy_page.addr >> 12)); WREG32(VM_CONTEXT0_CNTL2, 0); WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); WREG32(0x15D4, 0); WREG32(0x15D8, 0); WREG32(0x15DC, 0); /* empty context1-7 */ /* Assign the pt base to something valid for now; the pts used for * the VMs are determined by the application and setup and assigned * on the fly in the vm part of radeon_gart.c */ for (i = 1; i < 8; i++) { WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0); WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn); WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2), rdev->gart.table_addr >> 12); } /* enable context1-7 */ WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(rdev->dummy_page.addr >> 12)); WREG32(VM_CONTEXT1_CNTL2, 4); WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) | RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT | RANGE_PROTECTION_FAULT_ENABLE_DEFAULT | DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT | DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT | PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT | PDE0_PROTECTION_FAULT_ENABLE_DEFAULT | VALID_PROTECTION_FAULT_ENABLE_INTERRUPT | VALID_PROTECTION_FAULT_ENABLE_DEFAULT | READ_PROTECTION_FAULT_ENABLE_INTERRUPT | READ_PROTECTION_FAULT_ENABLE_DEFAULT | WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT | WRITE_PROTECTION_FAULT_ENABLE_DEFAULT); cayman_pcie_gart_tlb_flush(rdev); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", (unsigned)(rdev->mc.gtt_size >> 20), (unsigned long long)rdev->gart.table_addr); rdev->gart.ready = true; return 0; } static void cayman_pcie_gart_disable(struct radeon_device *rdev) { /* Disable all tables */ WREG32(VM_CONTEXT0_CNTL, 0); WREG32(VM_CONTEXT1_CNTL, 0); /* Setup TLB control */ WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING | SYSTEM_ACCESS_MODE_NOT_IN_SYS | SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); /* Setup L2 cache */ WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | EFFECTIVE_L2_QUEUE_SIZE(7) | CONTEXT1_IDENTITY_ACCESS_MODE(1)); WREG32(VM_L2_CNTL2, 0); WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | L2_CACHE_BIGK_FRAGMENT_SIZE(6)); radeon_gart_table_vram_unpin(rdev); } static void cayman_pcie_gart_fini(struct radeon_device *rdev) { cayman_pcie_gart_disable(rdev); radeon_gart_table_vram_free(rdev); radeon_gart_fini(rdev); } void cayman_cp_int_cntl_setup(struct radeon_device *rdev, int ring, u32 cp_int_cntl) { u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3; WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3)); WREG32(CP_INT_CNTL, cp_int_cntl); } /* * CP. */ void cayman_fence_ring_emit(struct radeon_device *rdev, struct radeon_fence *fence) { struct radeon_ring *ring = &rdev->ring[fence->ring]; u64 addr = rdev->fence_drv[fence->ring].gpu_addr; u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA; /* flush read cache over gart for this vmid */ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); radeon_ring_write(ring, 10); /* poll interval */ /* EVENT_WRITE_EOP - flush caches, send int */ radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); radeon_ring_write(ring, addr & 0xffffffff); radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); radeon_ring_write(ring, fence->seq); radeon_ring_write(ring, 0); } void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) { struct radeon_ring *ring = &rdev->ring[ib->ring]; u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA; /* set to DX10/11 mode */ radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0)); radeon_ring_write(ring, 1); if (ring->rptr_save_reg) { uint32_t next_rptr = ring->wptr + 3 + 4 + 8; radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); radeon_ring_write(ring, ((ring->rptr_save_reg - PACKET3_SET_CONFIG_REG_START) >> 2)); radeon_ring_write(ring, next_rptr); } radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); radeon_ring_write(ring, #ifdef __BIG_ENDIAN (2 << 0) | #endif (ib->gpu_addr & 0xFFFFFFFC)); radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); radeon_ring_write(ring, ib->length_dw | (ib->vm ? (ib->vm->id << 24) : 0)); /* flush read cache over gart for this vmid */ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); radeon_ring_write(ring, ((ib->vm ? ib->vm->id : 0) << 24) | 10); /* poll interval */ } static void cayman_cp_enable(struct radeon_device *rdev, bool enable) { if (enable) WREG32(CP_ME_CNTL, 0); else { radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT)); WREG32(SCRATCH_UMSK, 0); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; } } static int cayman_cp_load_microcode(struct radeon_device *rdev) { const __be32 *fw_data; int i; if (!rdev->me_fw || !rdev->pfp_fw) return -EINVAL; cayman_cp_enable(rdev, false); fw_data = (const __be32 *)rdev->pfp_fw; WREG32(CP_PFP_UCODE_ADDR, 0); for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++) WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); WREG32(CP_PFP_UCODE_ADDR, 0); fw_data = (const __be32 *)rdev->me_fw; WREG32(CP_ME_RAM_WADDR, 0); for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++) WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); WREG32(CP_PFP_UCODE_ADDR, 0); WREG32(CP_ME_RAM_WADDR, 0); WREG32(CP_ME_RAM_RADDR, 0); return 0; } static int cayman_cp_start(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; int r, i; r = radeon_ring_lock(rdev, ring, 7); if (r) { DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); return r; } radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); radeon_ring_write(ring, 0x1); radeon_ring_write(ring, 0x0); radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1); radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); radeon_ring_write(ring, 0); radeon_ring_write(ring, 0); radeon_ring_unlock_commit(rdev, ring); cayman_cp_enable(rdev, true); r = radeon_ring_lock(rdev, ring, cayman_default_size + 19); if (r) { DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); return r; } /* setup clear context state */ radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE); for (i = 0; i < cayman_default_size; i++) radeon_ring_write(ring, cayman_default_state[i]); radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE); /* set clear context state */ radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0)); radeon_ring_write(ring, 0); /* SQ_VTX_BASE_VTX_LOC */ radeon_ring_write(ring, 0xc0026f00); radeon_ring_write(ring, 0x00000000); radeon_ring_write(ring, 0x00000000); radeon_ring_write(ring, 0x00000000); /* Clear consts */ radeon_ring_write(ring, 0xc0036f00); radeon_ring_write(ring, 0x00000bc4); radeon_ring_write(ring, 0xffffffff); radeon_ring_write(ring, 0xffffffff); radeon_ring_write(ring, 0xffffffff); radeon_ring_write(ring, 0xc0026900); radeon_ring_write(ring, 0x00000316); radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */ radeon_ring_write(ring, 0x00000010); /* */ radeon_ring_unlock_commit(rdev, ring); /* XXX init other rings */ return 0; } static void cayman_cp_fini(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; cayman_cp_enable(rdev, false); radeon_ring_fini(rdev, ring); radeon_scratch_free(rdev, ring->rptr_save_reg); } static int cayman_cp_resume(struct radeon_device *rdev) { static const int ridx[] = { RADEON_RING_TYPE_GFX_INDEX, CAYMAN_RING_TYPE_CP1_INDEX, CAYMAN_RING_TYPE_CP2_INDEX }; static const unsigned cp_rb_cntl[] = { CP_RB0_CNTL, CP_RB1_CNTL, CP_RB2_CNTL, }; static const unsigned cp_rb_rptr_addr[] = { CP_RB0_RPTR_ADDR, CP_RB1_RPTR_ADDR, CP_RB2_RPTR_ADDR }; static const unsigned cp_rb_rptr_addr_hi[] = { CP_RB0_RPTR_ADDR_HI, CP_RB1_RPTR_ADDR_HI, CP_RB2_RPTR_ADDR_HI }; static const unsigned cp_rb_base[] = { CP_RB0_BASE, CP_RB1_BASE, CP_RB2_BASE }; struct radeon_ring *ring; int i, r; /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */ WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP | SOFT_RESET_PA | SOFT_RESET_SH | SOFT_RESET_VGT | SOFT_RESET_SPI | SOFT_RESET_SX)); RREG32(GRBM_SOFT_RESET); mdelay(15); WREG32(GRBM_SOFT_RESET, 0); RREG32(GRBM_SOFT_RESET); WREG32(CP_SEM_WAIT_TIMER, 0x0); WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0); /* Set the write pointer delay */ WREG32(CP_RB_WPTR_DELAY, 0); WREG32(CP_DEBUG, (1 << 27)); /* set the wb address whether it's enabled or not */ WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); WREG32(SCRATCH_UMSK, 0xff); for (i = 0; i < 3; ++i) { uint32_t rb_cntl; uint64_t addr; /* Set ring buffer size */ ring = &rdev->ring[ridx[i]]; rb_cntl = drm_order(ring->ring_size / 8); rb_cntl |= drm_order(RADEON_GPU_PAGE_SIZE/8) << 8; #ifdef __BIG_ENDIAN rb_cntl |= BUF_SWAP_32BIT; #endif WREG32(cp_rb_cntl[i], rb_cntl); /* set the wb address whether it's enabled or not */ addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET; WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC); WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF); } /* set the rb base addr, this causes an internal reset of ALL rings */ for (i = 0; i < 3; ++i) { ring = &rdev->ring[ridx[i]]; WREG32(cp_rb_base[i], ring->gpu_addr >> 8); } for (i = 0; i < 3; ++i) { /* Initialize the ring buffer's read and write pointers */ ring = &rdev->ring[ridx[i]]; WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA); ring->rptr = ring->wptr = 0; WREG32(ring->rptr_reg, ring->rptr); WREG32(ring->wptr_reg, ring->wptr); mdelay(1); WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA); } /* start the rings */ cayman_cp_start(rdev); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true; rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; /* this only test cp0 */ r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); if (r) { rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false; rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false; return r; } return 0; } /* * DMA * Starting with R600, the GPU has an asynchronous * DMA engine. The programming model is very similar * to the 3D engine (ring buffer, IBs, etc.), but the * DMA controller has it's own packet format that is * different form the PM4 format used by the 3D engine. * It supports copying data, writing embedded data, * solid fills, and a number of other things. It also * has support for tiling/detiling of buffers. * Cayman and newer support two asynchronous DMA engines. */ /** * cayman_dma_ring_ib_execute - Schedule an IB on the DMA engine * * @rdev: radeon_device pointer * @ib: IB object to schedule * * Schedule an IB in the DMA ring (cayman-SI). */ void cayman_dma_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) { struct radeon_ring *ring = &rdev->ring[ib->ring]; if (rdev->wb.enabled) { u32 next_rptr = ring->wptr + 4; while ((next_rptr & 7) != 5) next_rptr++; next_rptr += 3; radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1)); radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff); radeon_ring_write(ring, next_rptr); } /* The indirect buffer packet must end on an 8 DW boundary in the DMA ring. * Pad as necessary with NOPs. */ while ((ring->wptr & 7) != 5) radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); radeon_ring_write(ring, DMA_IB_PACKET(DMA_PACKET_INDIRECT_BUFFER, ib->vm ? ib->vm->id : 0, 0)); radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0)); radeon_ring_write(ring, (ib->length_dw << 12) | (upper_32_bits(ib->gpu_addr) & 0xFF)); } /** * cayman_dma_stop - stop the async dma engines * * @rdev: radeon_device pointer * * Stop the async dma engines (cayman-SI). */ void cayman_dma_stop(struct radeon_device *rdev) { u32 rb_cntl; radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); /* dma0 */ rb_cntl = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); rb_cntl &= ~DMA_RB_ENABLE; WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, rb_cntl); /* dma1 */ rb_cntl = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); rb_cntl &= ~DMA_RB_ENABLE; WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, rb_cntl); rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false; rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready = false; } /** * cayman_dma_resume - setup and start the async dma engines * * @rdev: radeon_device pointer * * Set up the DMA ring buffers and enable them. (cayman-SI). * Returns 0 for success, error for failure. */ int cayman_dma_resume(struct radeon_device *rdev) { struct radeon_ring *ring; u32 rb_cntl, dma_cntl, ib_cntl; u32 rb_bufsz; u32 reg_offset, wb_offset; int i, r; /* Reset dma */ WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); RREG32(SRBM_SOFT_RESET); udelay(50); WREG32(SRBM_SOFT_RESET, 0); for (i = 0; i < 2; i++) { if (i == 0) { ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; reg_offset = DMA0_REGISTER_OFFSET; wb_offset = R600_WB_DMA_RPTR_OFFSET; } else { ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; reg_offset = DMA1_REGISTER_OFFSET; wb_offset = CAYMAN_WB_DMA1_RPTR_OFFSET; } WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL + reg_offset, 0); WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL + reg_offset, 0); /* Set ring buffer size in dwords */ rb_bufsz = drm_order(ring->ring_size / 4); rb_cntl = rb_bufsz << 1; #ifdef __BIG_ENDIAN rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE; #endif WREG32(DMA_RB_CNTL + reg_offset, rb_cntl); /* Initialize the ring buffer's read and write pointers */ WREG32(DMA_RB_RPTR + reg_offset, 0); WREG32(DMA_RB_WPTR + reg_offset, 0); /* set the wb address whether it's enabled or not */ WREG32(DMA_RB_RPTR_ADDR_HI + reg_offset, upper_32_bits(rdev->wb.gpu_addr + wb_offset) & 0xFF); WREG32(DMA_RB_RPTR_ADDR_LO + reg_offset, ((rdev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC)); if (rdev->wb.enabled) rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE; WREG32(DMA_RB_BASE + reg_offset, ring->gpu_addr >> 8); /* enable DMA IBs */ ib_cntl = DMA_IB_ENABLE | CMD_VMID_FORCE; #ifdef __BIG_ENDIAN ib_cntl |= DMA_IB_SWAP_ENABLE; #endif WREG32(DMA_IB_CNTL + reg_offset, ib_cntl); dma_cntl = RREG32(DMA_CNTL + reg_offset); dma_cntl &= ~CTXEMPTY_INT_ENABLE; WREG32(DMA_CNTL + reg_offset, dma_cntl); ring->wptr = 0; WREG32(DMA_RB_WPTR + reg_offset, ring->wptr << 2); ring->rptr = RREG32(DMA_RB_RPTR + reg_offset) >> 2; WREG32(DMA_RB_CNTL + reg_offset, rb_cntl | DMA_RB_ENABLE); ring->ready = true; r = radeon_ring_test(rdev, ring->idx, ring); if (r) { ring->ready = false; return r; } } radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); return 0; } /** * cayman_dma_fini - tear down the async dma engines * * @rdev: radeon_device pointer * * Stop the async dma engines and free the rings (cayman-SI). */ void cayman_dma_fini(struct radeon_device *rdev) { cayman_dma_stop(rdev); radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]); radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]); } static void cayman_gpu_soft_reset_gfx(struct radeon_device *rdev) { u32 grbm_reset = 0; if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) return; dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", RREG32(GRBM_STATUS_SE0)); dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n", RREG32(GRBM_STATUS_SE1)); dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n", RREG32(SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", RREG32(CP_STALLED_STAT1)); dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", RREG32(CP_STALLED_STAT2)); dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); /* reset all the gfx blocks */ grbm_reset = (SOFT_RESET_CP | SOFT_RESET_CB | SOFT_RESET_DB | SOFT_RESET_GDS | SOFT_RESET_PA | SOFT_RESET_SC | SOFT_RESET_SPI | SOFT_RESET_SH | SOFT_RESET_SX | SOFT_RESET_TC | SOFT_RESET_TA | SOFT_RESET_VGT | SOFT_RESET_IA); dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset); WREG32(GRBM_SOFT_RESET, grbm_reset); (void)RREG32(GRBM_SOFT_RESET); udelay(50); WREG32(GRBM_SOFT_RESET, 0); (void)RREG32(GRBM_SOFT_RESET); dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n", RREG32(GRBM_STATUS_SE0)); dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n", RREG32(GRBM_STATUS_SE1)); dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n", RREG32(SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", RREG32(CP_STALLED_STAT1)); dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", RREG32(CP_STALLED_STAT2)); dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", RREG32(CP_STAT)); } static void cayman_gpu_soft_reset_dma(struct radeon_device *rdev) { u32 tmp; if (RREG32(DMA_STATUS_REG) & DMA_IDLE) return; dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", RREG32(DMA_STATUS_REG)); /* dma0 */ tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); tmp &= ~DMA_RB_ENABLE; WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); /* dma1 */ tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); tmp &= ~DMA_RB_ENABLE; WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); /* Reset dma */ WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1); RREG32(SRBM_SOFT_RESET); udelay(50); WREG32(SRBM_SOFT_RESET, 0); dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", RREG32(DMA_STATUS_REG)); } static int cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) { struct evergreen_mc_save save; if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE); if (RREG32(DMA_STATUS_REG) & DMA_IDLE) reset_mask &= ~RADEON_RESET_DMA; if (reset_mask == 0) return 0; dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n", RREG32(0x14F8)); dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(0x14D8)); dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", RREG32(0x14FC)); dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(0x14DC)); evergreen_mc_stop(rdev, &save); if (evergreen_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) cayman_gpu_soft_reset_gfx(rdev); if (reset_mask & RADEON_RESET_DMA) cayman_gpu_soft_reset_dma(rdev); /* Wait a little for things to settle down */ udelay(50); evergreen_mc_resume(rdev, &save); return 0; } int cayman_asic_reset(struct radeon_device *rdev) { return cayman_gpu_soft_reset(rdev, (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_DMA)); } /** * cayman_dma_is_lockup - Check if the DMA engine is locked up * * @rdev: radeon_device pointer * @ring: radeon_ring structure holding ring information * * Check if the async DMA engine is locked up (cayman-SI). * Returns true if the engine appears to be locked up, false if not. */ bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) { u32 dma_status_reg; if (ring->idx == R600_RING_TYPE_DMA_INDEX) dma_status_reg = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET); else dma_status_reg = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET); if (dma_status_reg & DMA_IDLE) { radeon_ring_lockup_update(ring); return false; } /* force ring activities */ radeon_ring_force_activity(rdev, ring); return radeon_ring_test_lockup(rdev, ring); } static int cayman_startup(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; int r; /* enable pcie gen2 link */ evergreen_pcie_gen2_enable(rdev); evergreen_mc_program(rdev); if (rdev->flags & RADEON_IS_IGP) { if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = ni_init_microcode(rdev); if (r) { DRM_ERROR("Failed to load firmware!\n"); return r; } } } else { if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { r = ni_init_microcode(rdev); if (r) { DRM_ERROR("Failed to load firmware!\n"); return r; } } r = ni_mc_load_microcode(rdev); if (r) { DRM_ERROR("Failed to load MC firmware!\n"); return r; } } r = r600_vram_scratch_init(rdev); if (r) return r; r = cayman_pcie_gart_enable(rdev); if (r) return r; cayman_gpu_init(rdev); r = evergreen_blit_init(rdev); if (r) { r600_blit_fini(rdev); rdev->asic->copy.copy = NULL; dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); } /* allocate rlc buffers */ if (rdev->flags & RADEON_IS_IGP) { r = si_rlc_init(rdev); if (r) { DRM_ERROR("Failed to init rlc BOs!\n"); return r; } } /* allocate wb buffer */ r = radeon_wb_init(rdev); if (r) return r; r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); if (r) { dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); return r; } r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX); if (r) { dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); return r; } r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX); if (r) { dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); return r; } r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX); if (r) { dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); return r; } r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX); if (r) { dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r); return r; } /* Enable IRQ */ if (!rdev->irq.installed) { r = radeon_irq_kms_init(rdev); if (r) return r; } r = r600_irq_init(rdev); if (r) { DRM_ERROR("radeon: IH init failed (%d).\n", r); radeon_irq_kms_fini(rdev); return r; } evergreen_irq_set(rdev); r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, CP_RB0_RPTR, CP_RB0_WPTR, 0, 0xfffff, RADEON_CP_PACKET2); if (r) return r; ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, DMA_RB_RPTR + DMA0_REGISTER_OFFSET, DMA_RB_WPTR + DMA0_REGISTER_OFFSET, 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); if (r) return r; ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET, DMA_RB_RPTR + DMA1_REGISTER_OFFSET, DMA_RB_WPTR + DMA1_REGISTER_OFFSET, 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); if (r) return r; r = cayman_cp_load_microcode(rdev); if (r) return r; r = cayman_cp_resume(rdev); if (r) return r; r = cayman_dma_resume(rdev); if (r) return r; r = radeon_ib_pool_init(rdev); if (r) { dev_err(rdev->dev, "IB initialization failed (%d).\n", r); return r; } r = radeon_vm_manager_init(rdev); if (r) { dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r); return r; } r = r600_audio_init(rdev); if (r) return r; return 0; } int cayman_resume(struct radeon_device *rdev) { int r; /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, * posting will perform necessary task to bring back GPU into good * shape. */ /* post card */ atom_asic_init(rdev->mode_info.atom_context); rdev->accel_working = true; r = cayman_startup(rdev); if (r) { DRM_ERROR("cayman startup failed on resume\n"); rdev->accel_working = false; return r; } return r; } int cayman_suspend(struct radeon_device *rdev) { r600_audio_fini(rdev); radeon_vm_manager_fini(rdev); cayman_cp_enable(rdev, false); cayman_dma_stop(rdev); evergreen_irq_suspend(rdev); radeon_wb_disable(rdev); cayman_pcie_gart_disable(rdev); return 0; } /* Plan is to move initialization in that function and use * helper function so that radeon_device_init pretty much * do nothing more than calling asic specific function. This * should also allow to remove a bunch of callback function * like vram_info. */ int cayman_init(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; int r; /* Read BIOS */ if (!radeon_get_bios(rdev)) { if (ASIC_IS_AVIVO(rdev)) return -EINVAL; } /* Must be an ATOMBIOS */ if (!rdev->is_atom_bios) { dev_err(rdev->dev, "Expecting atombios for cayman GPU\n"); return -EINVAL; } r = radeon_atombios_init(rdev); if (r) return r; /* Post card if necessary */ if (!radeon_card_posted(rdev)) { if (!rdev->bios) { dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); return -EINVAL; } DRM_INFO("GPU not posted. posting now...\n"); atom_asic_init(rdev->mode_info.atom_context); } /* Initialize scratch registers */ r600_scratch_init(rdev); /* Initialize surface registers */ radeon_surface_init(rdev); /* Initialize clocks */ radeon_get_clock_info(rdev->ddev); /* Fence driver */ r = radeon_fence_driver_init(rdev); if (r) return r; /* initialize memory controller */ r = evergreen_mc_init(rdev); if (r) return r; /* Memory manager */ r = radeon_bo_init(rdev); if (r) return r; ring->ring_obj = NULL; r600_ring_init(rdev, ring, 1024 * 1024); ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; ring->ring_obj = NULL; r600_ring_init(rdev, ring, 64 * 1024); ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; ring->ring_obj = NULL; r600_ring_init(rdev, ring, 64 * 1024); rdev->ih.ring_obj = NULL; r600_ih_ring_init(rdev, 64 * 1024); r = r600_pcie_gart_init(rdev); if (r) return r; rdev->accel_working = true; r = cayman_startup(rdev); if (r) { dev_err(rdev->dev, "disabling GPU acceleration\n"); cayman_cp_fini(rdev); cayman_dma_fini(rdev); r600_irq_fini(rdev); if (rdev->flags & RADEON_IS_IGP) si_rlc_fini(rdev); radeon_wb_fini(rdev); radeon_ib_pool_fini(rdev); radeon_vm_manager_fini(rdev); radeon_irq_kms_fini(rdev); cayman_pcie_gart_fini(rdev); rdev->accel_working = false; } /* Don't start up if the MC ucode is missing. * The default clocks and voltages before the MC ucode * is loaded are not suffient for advanced operations. * * We can skip this check for TN, because there is no MC * ucode. */ if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) { DRM_ERROR("radeon: MC ucode required for NI+.\n"); return -EINVAL; } return 0; } void cayman_fini(struct radeon_device *rdev) { r600_blit_fini(rdev); cayman_cp_fini(rdev); cayman_dma_fini(rdev); r600_irq_fini(rdev); if (rdev->flags & RADEON_IS_IGP) si_rlc_fini(rdev); radeon_wb_fini(rdev); radeon_vm_manager_fini(rdev); radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); cayman_pcie_gart_fini(rdev); r600_vram_scratch_fini(rdev); radeon_gem_fini(rdev); radeon_fence_driver_fini(rdev); radeon_bo_fini(rdev); radeon_atombios_fini(rdev); kfree(rdev->bios); rdev->bios = NULL; } /* * vm */ int cayman_vm_init(struct radeon_device *rdev) { /* number of VMs */ rdev->vm_manager.nvm = 8; /* base offset of vram pages */ if (rdev->flags & RADEON_IS_IGP) { u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET); tmp <<= 22; rdev->vm_manager.vram_base_offset = tmp; } else rdev->vm_manager.vram_base_offset = 0; return 0; } void cayman_vm_fini(struct radeon_device *rdev) { } #define R600_ENTRY_VALID (1 << 0) #define R600_PTE_SYSTEM (1 << 1) #define R600_PTE_SNOOPED (1 << 2) #define R600_PTE_READABLE (1 << 5) #define R600_PTE_WRITEABLE (1 << 6) uint32_t cayman_vm_page_flags(struct radeon_device *rdev, uint32_t flags) { uint32_t r600_flags = 0; r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_ENTRY_VALID : 0; r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0; r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0; if (flags & RADEON_VM_PAGE_SYSTEM) { r600_flags |= R600_PTE_SYSTEM; r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0; } return r600_flags; } /** * cayman_vm_set_page - update the page tables using the CP * * @rdev: radeon_device pointer * @pe: addr of the page entry * @addr: dst addr to write into pe * @count: number of page entries to update * @incr: increase next addr by incr bytes * @flags: access flags * * Update the page tables using the CP (cayman-si). */ void cayman_vm_set_page(struct radeon_device *rdev, uint64_t pe, uint64_t addr, unsigned count, uint32_t incr, uint32_t flags) { struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index]; uint32_t r600_flags = cayman_vm_page_flags(rdev, flags); uint64_t value; unsigned ndw; if (rdev->asic->vm.pt_ring_index == RADEON_RING_TYPE_GFX_INDEX) { while (count) { ndw = 1 + count * 2; if (ndw > 0x3FFF) ndw = 0x3FFF; radeon_ring_write(ring, PACKET3(PACKET3_ME_WRITE, ndw)); radeon_ring_write(ring, pe); radeon_ring_write(ring, upper_32_bits(pe) & 0xff); for (; ndw > 1; ndw -= 2, --count, pe += 8) { if (flags & RADEON_VM_PAGE_SYSTEM) { value = radeon_vm_map_gart(rdev, addr); value &= 0xFFFFFFFFFFFFF000ULL; } else if (flags & RADEON_VM_PAGE_VALID) { value = addr; } else { value = 0; } addr += incr; value |= r600_flags; radeon_ring_write(ring, value); radeon_ring_write(ring, upper_32_bits(value)); } } } else { while (count) { ndw = count * 2; if (ndw > 0xFFFFE) ndw = 0xFFFFE; /* for non-physically contiguous pages (system) */ radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, ndw)); radeon_ring_write(ring, pe); radeon_ring_write(ring, upper_32_bits(pe) & 0xff); for (; ndw > 0; ndw -= 2, --count, pe += 8) { if (flags & RADEON_VM_PAGE_SYSTEM) { value = radeon_vm_map_gart(rdev, addr); value &= 0xFFFFFFFFFFFFF000ULL; } else if (flags & RADEON_VM_PAGE_VALID) { value = addr; } else { value = 0; } addr += incr; value |= r600_flags; radeon_ring_write(ring, value); radeon_ring_write(ring, upper_32_bits(value)); } } } } /** * cayman_vm_flush - vm flush using the CP * * @rdev: radeon_device pointer * * Update the page table base and flush the VM TLB * using the CP (cayman-si). */ void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) { struct radeon_ring *ring = &rdev->ring[ridx]; if (vm == NULL) return; radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0)); radeon_ring_write(ring, vm->pd_gpu_addr >> 12); /* flush hdp cache */ radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0)); radeon_ring_write(ring, 0x1); /* bits 0-7 are the VM contexts0-7 */ radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0)); radeon_ring_write(ring, 1 << vm->id); /* sync PFP to ME, otherwise we might get invalid PFP reads */ radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0)); radeon_ring_write(ring, 0x0); } void cayman_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm) { struct radeon_ring *ring = &rdev->ring[ridx]; if (vm == NULL) return; radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2)); radeon_ring_write(ring, vm->pd_gpu_addr >> 12); /* flush hdp cache */ radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2)); radeon_ring_write(ring, 1); /* bits 0-7 are the VM contexts0-7 */ radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2)); radeon_ring_write(ring, 1 << vm->id); }