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Release 4.7 drivers/gpu/drm/radeon/rs400.c

/*
 * Copyright 2008 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * 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: Dave Airlie
 *          Alex Deucher
 *          Jerome Glisse
 */
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <drm/drmP.h>
#include "radeon.h"
#include "radeon_asic.h"
#include "rs400d.h"

/* This files gather functions specifics to : rs400,rs480 */
static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev);


void rs400_gart_adjust_size(struct radeon_device *rdev) { /* Check gart size */ switch (rdev->mc.gtt_size/(1024*1024)) { case 32: case 64: case 128: case 256: case 512: case 1024: case 2048: break; default: DRM_ERROR("Unable to use IGP GART size %uM\n", (unsigned)(rdev->mc.gtt_size >> 20)); DRM_ERROR("Valid GART size for IGP are 32M,64M,128M,256M,512M,1G,2G\n"); DRM_ERROR("Forcing to 32M GART size\n"); rdev->mc.gtt_size = 32 * 1024 * 1024; return; } }

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void rs400_gart_tlb_flush(struct radeon_device *rdev) { uint32_t tmp; unsigned int timeout = rdev->usec_timeout; WREG32_MC(RS480_GART_CACHE_CNTRL, RS480_GART_CACHE_INVALIDATE); do { tmp = RREG32_MC(RS480_GART_CACHE_CNTRL); if ((tmp & RS480_GART_CACHE_INVALIDATE) == 0) break; DRM_UDELAY(1); timeout--; } while (timeout > 0); WREG32_MC(RS480_GART_CACHE_CNTRL, 0); }

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int rs400_gart_init(struct radeon_device *rdev) { int r; if (rdev->gart.ptr) { WARN(1, "RS400 GART already initialized\n"); return 0; } /* Check gart size */ switch(rdev->mc.gtt_size / (1024 * 1024)) { case 32: case 64: case 128: case 256: case 512: case 1024: case 2048: break; default: return -EINVAL; } /* Initialize common gart structure */ r = radeon_gart_init(rdev); if (r) return r; if (rs400_debugfs_pcie_gart_info_init(rdev)) DRM_ERROR("Failed to register debugfs file for RS400 GART !\n"); rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; return radeon_gart_table_ram_alloc(rdev); }

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int rs400_gart_enable(struct radeon_device *rdev) { uint32_t size_reg; uint32_t tmp; tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH); tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS; WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp); /* Check gart size */ switch(rdev->mc.gtt_size / (1024 * 1024)) { case 32: size_reg = RS480_VA_SIZE_32MB; break; case 64: size_reg = RS480_VA_SIZE_64MB; break; case 128: size_reg = RS480_VA_SIZE_128MB; break; case 256: size_reg = RS480_VA_SIZE_256MB; break; case 512: size_reg = RS480_VA_SIZE_512MB; break; case 1024: size_reg = RS480_VA_SIZE_1GB; break; case 2048: size_reg = RS480_VA_SIZE_2GB; break; default: return -EINVAL; } /* It should be fine to program it to max value */ if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) { WREG32_MC(RS690_MCCFG_AGP_BASE, 0xFFFFFFFF); WREG32_MC(RS690_MCCFG_AGP_BASE_2, 0); } else { WREG32(RADEON_AGP_BASE, 0xFFFFFFFF); WREG32(RS480_AGP_BASE_2, 0); } tmp = REG_SET(RS690_MC_AGP_TOP, rdev->mc.gtt_end >> 16); tmp |= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_start >> 16); if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) { WREG32_MC(RS690_MCCFG_AGP_LOCATION, tmp); tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS; WREG32(RADEON_BUS_CNTL, tmp); } else { WREG32(RADEON_MC_AGP_LOCATION, tmp); tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; WREG32(RADEON_BUS_CNTL, tmp); } /* Table should be in 32bits address space so ignore bits above. */ tmp = (u32)rdev->gart.table_addr & 0xfffff000; tmp |= (upper_32_bits(rdev->gart.table_addr) & 0xff) << 4; WREG32_MC(RS480_GART_BASE, tmp); /* TODO: more tweaking here */ WREG32_MC(RS480_GART_FEATURE_ID, (RS480_TLB_ENABLE | RS480_GTW_LAC_EN | RS480_1LEVEL_GART)); /* Disable snooping */ WREG32_MC(RS480_AGP_MODE_CNTL, (1 << RS480_REQ_TYPE_SNOOP_SHIFT) | RS480_REQ_TYPE_SNOOP_DIS); /* Disable AGP mode */ /* FIXME: according to doc we should set HIDE_MMCFG_BAR=0, * AGPMODE30=0 & AGP30ENHANCED=0 in NB_CNTL */ if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) { tmp = RREG32_MC(RS480_MC_MISC_CNTL); tmp |= RS480_GART_INDEX_REG_EN | RS690_BLOCK_GFX_D3_EN; WREG32_MC(RS480_MC_MISC_CNTL, tmp); } else { tmp = RREG32_MC(RS480_MC_MISC_CNTL); tmp |= RS480_GART_INDEX_REG_EN; WREG32_MC(RS480_MC_MISC_CNTL, tmp); } /* Enable gart */ WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN | size_reg)); rs400_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; }

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void rs400_gart_disable(struct radeon_device *rdev) { uint32_t tmp; tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH); tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS; WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp); WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, 0); }

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void rs400_gart_fini(struct radeon_device *rdev) { radeon_gart_fini(rdev); rs400_gart_disable(rdev); radeon_gart_table_ram_free(rdev); }

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#define RS400_PTE_UNSNOOPED (1 << 0) #define RS400_PTE_WRITEABLE (1 << 2) #define RS400_PTE_READABLE (1 << 3)
uint64_t rs400_gart_get_page_entry(uint64_t addr, uint32_t flags) { uint32_t entry; entry = (lower_32_bits(addr) & PAGE_MASK) | ((upper_32_bits(addr) & 0xff) << 4); if (flags & RADEON_GART_PAGE_READ) entry |= RS400_PTE_READABLE; if (flags & RADEON_GART_PAGE_WRITE) entry |= RS400_PTE_WRITEABLE; if (!(flags & RADEON_GART_PAGE_SNOOP)) entry |= RS400_PTE_UNSNOOPED; return entry; }

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alex deucheralex deucher11.35%116.67%
Total74100.00%6100.00%


void rs400_gart_set_page(struct radeon_device *rdev, unsigned i, uint64_t entry) { u32 *gtt = rdev->gart.ptr; gtt[i] = cpu_to_le32(lower_32_bits(entry)); }

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int rs400_mc_wait_for_idle(struct radeon_device *rdev) { unsigned i; uint32_t tmp; for (i = 0; i < rdev->usec_timeout; i++) { /* read MC_STATUS */ tmp = RREG32(RADEON_MC_STATUS); if (tmp & RADEON_MC_IDLE) { return 0; } DRM_UDELAY(1); } return -1; }

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static void rs400_gpu_init(struct radeon_device *rdev) { /* FIXME: is this correct ? */ r420_pipes_init(rdev); if (rs400_mc_wait_for_idle(rdev)) { printk(KERN_WARNING "rs400: Failed to wait MC idle while " "programming pipes. Bad things might happen. %08x\n", RREG32(RADEON_MC_STATUS)); } }

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lauri kasanenlauri kasanen12.63%120.00%
Total38100.00%5100.00%


static void rs400_mc_init(struct radeon_device *rdev) { u64 base; rs400_gart_adjust_size(rdev); rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev); /* DDR for all card after R300 & IGP */ rdev->mc.vram_is_ddr = true; rdev->mc.vram_width = 128; r100_vram_init_sizes(rdev); base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16; radeon_vram_location(rdev, &rdev->mc, base); rdev->mc.gtt_base_align = rdev->mc.gtt_size - 1; radeon_gtt_location(rdev, &rdev->mc); radeon_update_bandwidth_info(rdev); }

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uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg) { unsigned long flags; uint32_t r; spin_lock_irqsave(&rdev->mc_idx_lock, flags); WREG32(RS480_NB_MC_INDEX, reg & 0xff); r = RREG32(RS480_NB_MC_DATA); WREG32(RS480_NB_MC_INDEX, 0xff); spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); return r; }

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void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) { unsigned long flags; spin_lock_irqsave(&rdev->mc_idx_lock, flags); WREG32(RS480_NB_MC_INDEX, ((reg) & 0xff) | RS480_NB_MC_IND_WR_EN); WREG32(RS480_NB_MC_DATA, (v)); WREG32(RS480_NB_MC_INDEX, 0xff); spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); }

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#if defined(CONFIG_DEBUG_FS)
static int rs400_debugfs_gart_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct radeon_device *rdev = dev->dev_private; uint32_t tmp; tmp = RREG32(RADEON_HOST_PATH_CNTL); seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp); tmp = RREG32(RADEON_BUS_CNTL); seq_printf(m, "BUS_CNTL 0x%08x\n", tmp); tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH); seq_printf(m, "AIC_CTRL_SCRATCH 0x%08x\n", tmp); if (rdev->family == CHIP_RS690 || (rdev->family == CHIP_RS740)) { tmp = RREG32_MC(RS690_MCCFG_AGP_BASE); seq_printf(m, "MCCFG_AGP_BASE 0x%08x\n", tmp); tmp = RREG32_MC(RS690_MCCFG_AGP_BASE_2); seq_printf(m, "MCCFG_AGP_BASE_2 0x%08x\n", tmp); tmp = RREG32_MC(RS690_MCCFG_AGP_LOCATION); seq_printf(m, "MCCFG_AGP_LOCATION 0x%08x\n", tmp); tmp = RREG32_MC(RS690_MCCFG_FB_LOCATION); seq_printf(m, "MCCFG_FB_LOCATION 0x%08x\n", tmp); tmp = RREG32(RS690_HDP_FB_LOCATION); seq_printf(m, "HDP_FB_LOCATION 0x%08x\n", tmp); } else { tmp = RREG32(RADEON_AGP_BASE); seq_printf(m, "AGP_BASE 0x%08x\n", tmp); tmp = RREG32(RS480_AGP_BASE_2); seq_printf(m, "AGP_BASE_2 0x%08x\n", tmp); tmp = RREG32(RADEON_MC_AGP_LOCATION); seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp); } tmp = RREG32_MC(RS480_GART_BASE); seq_printf(m, "GART_BASE 0x%08x\n", tmp); tmp = RREG32_MC(RS480_GART_FEATURE_ID); seq_printf(m, "GART_FEATURE_ID 0x%08x\n", tmp); tmp = RREG32_MC(RS480_AGP_MODE_CNTL); seq_printf(m, "AGP_MODE_CONTROL 0x%08x\n", tmp); tmp = RREG32_MC(RS480_MC_MISC_CNTL); seq_printf(m, "MC_MISC_CNTL 0x%08x\n", tmp); tmp = RREG32_MC(0x5F); seq_printf(m, "MC_MISC_UMA_CNTL 0x%08x\n", tmp); tmp = RREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE); seq_printf(m, "AGP_ADDRESS_SPACE_SIZE 0x%08x\n", tmp); tmp = RREG32_MC(RS480_GART_CACHE_CNTRL); seq_printf(m, "GART_CACHE_CNTRL 0x%08x\n", tmp); tmp = RREG32_MC(0x3B); seq_printf(m, "MC_GART_ERROR_ADDRESS 0x%08x\n", tmp); tmp = RREG32_MC(0x3C); seq_printf(m, "MC_GART_ERROR_ADDRESS_HI 0x%08x\n", tmp); tmp = RREG32_MC(0x30); seq_printf(m, "GART_ERROR_0 0x%08x\n", tmp); tmp = RREG32_MC(0x31); seq_printf(m, "GART_ERROR_1 0x%08x\n", tmp); tmp = RREG32_MC(0x32); seq_printf(m, "GART_ERROR_2 0x%08x\n", tmp); tmp = RREG32_MC(0x33); seq_printf(m, "GART_ERROR_3 0x%08x\n", tmp); tmp = RREG32_MC(0x34); seq_printf(m, "GART_ERROR_4 0x%08x\n", tmp); tmp = RREG32_MC(0x35); seq_printf(m, "GART_ERROR_5 0x%08x\n", tmp); tmp = RREG32_MC(0x36); seq_printf(m, "GART_ERROR_6 0x%08x\n", tmp); tmp = RREG32_MC(0x37); seq_printf(m, "GART_ERROR_7 0x%08x\n", tmp); return 0; }

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static struct drm_info_list rs400_gart_info_list[] = { {"rs400_gart_info", rs400_debugfs_gart_info, 0, NULL}, }; #endif
static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev) { #if defined(CONFIG_DEBUG_FS) return radeon_debugfs_add_files(rdev, rs400_gart_info_list, 1); #else return 0; #endif }

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static void rs400_mc_program(struct radeon_device *rdev) { struct r100_mc_save save; /* Stops all mc clients */ r100_mc_stop(rdev, &save); /* Wait for mc idle */ if (rs400_mc_wait_for_idle(rdev)) dev_warn(rdev->dev, "rs400: Wait MC idle timeout before updating MC.\n"); WREG32(R_000148_MC_FB_LOCATION, S_000148_MC_FB_START(rdev->mc.vram_start >> 16) | S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16)); r100_mc_resume(rdev, &save); }

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static int rs400_startup(struct radeon_device *rdev) { int r; r100_set_common_regs(rdev); rs400_mc_program(rdev); /* Resume clock */ r300_clock_startup(rdev); /* Initialize GPU configuration (# pipes, ...) */ rs400_gpu_init(rdev); r100_enable_bm(rdev); /* Initialize GART (initialize after TTM so we can allocate * memory through TTM but finalize after TTM) */ r = rs400_gart_enable(rdev); if (r) 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; } /* Enable IRQ */ if (!rdev->irq.installed) { r = radeon_irq_kms_init(rdev); if (r) return r; } r100_irq_set(rdev); rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); /* 1M ring buffer */ r = r100_cp_init(rdev, 1024 * 1024); if (r) { dev_err(rdev->dev, "failed initializing CP (%d).\n", r); return r; } r = radeon_ib_pool_init(rdev); if (r) { dev_err(rdev->dev, "IB initialization failed (%d).\n", r); return r; } return 0; }

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paul bollepaul bolle10.49%110.00%
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int rs400_resume(struct radeon_device *rdev) { int r; /* Make sur GART are not working */ rs400_gart_disable(rdev); /* Resume clock before doing reset */ r300_clock_startup(rdev); /* setup MC before calling post tables */ rs400_mc_program(rdev); /* Reset gpu before posting otherwise ATOM will enter infinite loop */ if (radeon_asic_reset(rdev)) { dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", RREG32(R_000E40_RBBM_STATUS), RREG32(R_0007C0_CP_STAT)); } /* post */ radeon_combios_asic_init(rdev->ddev); /* Resume clock after posting */ r300_clock_startup(rdev); /* Initialize surface registers */ radeon_surface_init(rdev); rdev->accel_working = true; r = rs400_startup(rdev); if (r) { rdev->accel_working = false; } return r; }

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int rs400_suspend(struct radeon_device *rdev) { radeon_pm_suspend(rdev); r100_cp_disable(rdev); radeon_wb_disable(rdev); r100_irq_disable(rdev); rs400_gart_disable(rdev); return 0; }

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void rs400_fini(struct radeon_device *rdev) { radeon_pm_fini(rdev); r100_cp_fini(rdev); radeon_wb_fini(rdev); radeon_ib_pool_fini(rdev); radeon_gem_fini(rdev); rs400_gart_fini(rdev); radeon_irq_kms_fini(rdev); radeon_fence_driver_fini(rdev); radeon_bo_fini(rdev); radeon_atombios_fini(rdev); kfree(rdev->bios); rdev->bios = NULL; }

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int rs400_init(struct radeon_device *rdev) { int r; /* Disable VGA */ r100_vga_render_disable(rdev); /* Initialize scratch registers */ radeon_scratch_init(rdev); /* Initialize surface registers */ radeon_surface_init(rdev); /* TODO: disable VGA need to use VGA request */ /* restore some register to sane defaults */ r100_restore_sanity(rdev); /* BIOS*/ if (!radeon_get_bios(rdev)) { if (ASIC_IS_AVIVO(rdev)) return -EINVAL; } if (rdev->is_atom_bios) { dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n"); return -EINVAL; } else { r = radeon_combios_init(rdev); if (r) return r; } /* Reset gpu before posting otherwise ATOM will enter infinite loop */ if (radeon_asic_reset(rdev)) { dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", RREG32(R_000E40_RBBM_STATUS), RREG32(R_0007C0_CP_STAT)); } /* check if cards are posted or not */ if (radeon_boot_test_post_card(rdev) == false) return -EINVAL; /* Initialize clocks */ radeon_get_clock_info(rdev->ddev); /* initialize memory controller */ rs400_mc_init(rdev); /* Fence driver */ r = radeon_fence_driver_init(rdev); if (r) return r; /* Memory manager */ r = radeon_bo_init(rdev); if (r) return r; r = rs400_gart_init(rdev); if (r) return r; r300_set_reg_safe(rdev); /* Initialize power management */ radeon_pm_init(rdev); rdev->accel_working = true; r = rs400_startup(rdev); if (r) { /* Somethings want wront with the accel init stop accel */ dev_err(rdev->dev, "Disabling GPU acceleration\n"); r100_cp_fini(rdev); radeon_wb_fini(rdev); radeon_ib_pool_fini(rdev); rs400_gart_fini(rdev); radeon_irq_kms_fini(rdev); rdev->accel_working = false; } return 0; }

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christian koenigchristian koenig10.37%111.11%
Total273100.00%9100.00%


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alex deucheralex deucher1405.28%717.95%
michel danzermichel danzer742.79%37.69%
tormod voldentormod volden291.09%12.56%
adis hamzicadis hamzic250.94%12.56%
christian koenigchristian koenig160.60%12.56%
tejun heotejun heo30.11%12.56%
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daniel vetterdaniel vetter30.11%12.56%
paul bollepaul bolle10.04%12.56%
joe perchesjoe perches10.04%12.56%
Total2653100.00%39100.00%
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