linux/drivers/gpu/drm/radeon/rv515.c
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   1/*
   2 * Copyright 2008 Advanced Micro Devices, Inc.
   3 * Copyright 2008 Red Hat Inc.
   4 * Copyright 2009 Jerome Glisse.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a
   7 * copy of this software and associated documentation files (the "Software"),
   8 * to deal in the Software without restriction, including without limitation
   9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 * and/or sell copies of the Software, and to permit persons to whom the
  11 * Software is furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 * OTHER DEALINGS IN THE SOFTWARE.
  23 *
  24 * Authors: Dave Airlie
  25 *          Alex Deucher
  26 *          Jerome Glisse
  27 */
  28#include <linux/seq_file.h>
  29#include "drmP.h"
  30#include "rv515d.h"
  31#include "radeon.h"
  32#include "atom.h"
  33#include "rv515_reg_safe.h"
  34
  35/* This files gather functions specifics to: rv515 */
  36int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
  37int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
  38void rv515_gpu_init(struct radeon_device *rdev);
  39int rv515_mc_wait_for_idle(struct radeon_device *rdev);
  40
  41void rv515_debugfs(struct radeon_device *rdev)
  42{
  43        if (r100_debugfs_rbbm_init(rdev)) {
  44                DRM_ERROR("Failed to register debugfs file for RBBM !\n");
  45        }
  46        if (rv515_debugfs_pipes_info_init(rdev)) {
  47                DRM_ERROR("Failed to register debugfs file for pipes !\n");
  48        }
  49        if (rv515_debugfs_ga_info_init(rdev)) {
  50                DRM_ERROR("Failed to register debugfs file for pipes !\n");
  51        }
  52}
  53
  54void rv515_ring_start(struct radeon_device *rdev)
  55{
  56        int r;
  57
  58        r = radeon_ring_lock(rdev, 64);
  59        if (r) {
  60                return;
  61        }
  62        radeon_ring_write(rdev, PACKET0(ISYNC_CNTL, 0));
  63        radeon_ring_write(rdev,
  64                          ISYNC_ANY2D_IDLE3D |
  65                          ISYNC_ANY3D_IDLE2D |
  66                          ISYNC_WAIT_IDLEGUI |
  67                          ISYNC_CPSCRATCH_IDLEGUI);
  68        radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0));
  69        radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
  70        radeon_ring_write(rdev, PACKET0(0x170C, 0));
  71        radeon_ring_write(rdev, 1 << 31);
  72        radeon_ring_write(rdev, PACKET0(GB_SELECT, 0));
  73        radeon_ring_write(rdev, 0);
  74        radeon_ring_write(rdev, PACKET0(GB_ENABLE, 0));
  75        radeon_ring_write(rdev, 0);
  76        radeon_ring_write(rdev, PACKET0(0x42C8, 0));
  77        radeon_ring_write(rdev, (1 << rdev->num_gb_pipes) - 1);
  78        radeon_ring_write(rdev, PACKET0(VAP_INDEX_OFFSET, 0));
  79        radeon_ring_write(rdev, 0);
  80        radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
  81        radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE);
  82        radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
  83        radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE);
  84        radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0));
  85        radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
  86        radeon_ring_write(rdev, PACKET0(GB_AA_CONFIG, 0));
  87        radeon_ring_write(rdev, 0);
  88        radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
  89        radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE);
  90        radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
  91        radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE);
  92        radeon_ring_write(rdev, PACKET0(GB_MSPOS0, 0));
  93        radeon_ring_write(rdev,
  94                          ((6 << MS_X0_SHIFT) |
  95                           (6 << MS_Y0_SHIFT) |
  96                           (6 << MS_X1_SHIFT) |
  97                           (6 << MS_Y1_SHIFT) |
  98                           (6 << MS_X2_SHIFT) |
  99                           (6 << MS_Y2_SHIFT) |
 100                           (6 << MSBD0_Y_SHIFT) |
 101                           (6 << MSBD0_X_SHIFT)));
 102        radeon_ring_write(rdev, PACKET0(GB_MSPOS1, 0));
 103        radeon_ring_write(rdev,
 104                          ((6 << MS_X3_SHIFT) |
 105                           (6 << MS_Y3_SHIFT) |
 106                           (6 << MS_X4_SHIFT) |
 107                           (6 << MS_Y4_SHIFT) |
 108                           (6 << MS_X5_SHIFT) |
 109                           (6 << MS_Y5_SHIFT) |
 110                           (6 << MSBD1_SHIFT)));
 111        radeon_ring_write(rdev, PACKET0(GA_ENHANCE, 0));
 112        radeon_ring_write(rdev, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
 113        radeon_ring_write(rdev, PACKET0(GA_POLY_MODE, 0));
 114        radeon_ring_write(rdev, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
 115        radeon_ring_write(rdev, PACKET0(GA_ROUND_MODE, 0));
 116        radeon_ring_write(rdev, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
 117        radeon_ring_write(rdev, PACKET0(0x20C8, 0));
 118        radeon_ring_write(rdev, 0);
 119        radeon_ring_unlock_commit(rdev);
 120}
 121
 122int rv515_mc_wait_for_idle(struct radeon_device *rdev)
 123{
 124        unsigned i;
 125        uint32_t tmp;
 126
 127        for (i = 0; i < rdev->usec_timeout; i++) {
 128                /* read MC_STATUS */
 129                tmp = RREG32_MC(MC_STATUS);
 130                if (tmp & MC_STATUS_IDLE) {
 131                        return 0;
 132                }
 133                DRM_UDELAY(1);
 134        }
 135        return -1;
 136}
 137
 138void rv515_vga_render_disable(struct radeon_device *rdev)
 139{
 140        WREG32(R_000300_VGA_RENDER_CONTROL,
 141                RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
 142}
 143
 144void rv515_gpu_init(struct radeon_device *rdev)
 145{
 146        unsigned pipe_select_current, gb_pipe_select, tmp;
 147
 148        r100_hdp_reset(rdev);
 149        r100_rb2d_reset(rdev);
 150
 151        if (r100_gui_wait_for_idle(rdev)) {
 152                printk(KERN_WARNING "Failed to wait GUI idle while "
 153                       "reseting GPU. Bad things might happen.\n");
 154        }
 155
 156        rv515_vga_render_disable(rdev);
 157
 158        r420_pipes_init(rdev);
 159        gb_pipe_select = RREG32(0x402C);
 160        tmp = RREG32(0x170C);
 161        pipe_select_current = (tmp >> 2) & 3;
 162        tmp = (1 << pipe_select_current) |
 163              (((gb_pipe_select >> 8) & 0xF) << 4);
 164        WREG32_PLL(0x000D, tmp);
 165        if (r100_gui_wait_for_idle(rdev)) {
 166                printk(KERN_WARNING "Failed to wait GUI idle while "
 167                       "reseting GPU. Bad things might happen.\n");
 168        }
 169        if (rv515_mc_wait_for_idle(rdev)) {
 170                printk(KERN_WARNING "Failed to wait MC idle while "
 171                       "programming pipes. Bad things might happen.\n");
 172        }
 173}
 174
 175int rv515_ga_reset(struct radeon_device *rdev)
 176{
 177        uint32_t tmp;
 178        bool reinit_cp;
 179        int i;
 180
 181        reinit_cp = rdev->cp.ready;
 182        rdev->cp.ready = false;
 183        for (i = 0; i < rdev->usec_timeout; i++) {
 184                WREG32(CP_CSQ_MODE, 0);
 185                WREG32(CP_CSQ_CNTL, 0);
 186                WREG32(RBBM_SOFT_RESET, 0x32005);
 187                (void)RREG32(RBBM_SOFT_RESET);
 188                udelay(200);
 189                WREG32(RBBM_SOFT_RESET, 0);
 190                /* Wait to prevent race in RBBM_STATUS */
 191                mdelay(1);
 192                tmp = RREG32(RBBM_STATUS);
 193                if (tmp & ((1 << 20) | (1 << 26))) {
 194                        DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)\n", tmp);
 195                        /* GA still busy soft reset it */
 196                        WREG32(0x429C, 0x200);
 197                        WREG32(VAP_PVS_STATE_FLUSH_REG, 0);
 198                        WREG32(0x43E0, 0);
 199                        WREG32(0x43E4, 0);
 200                        WREG32(0x24AC, 0);
 201                }
 202                /* Wait to prevent race in RBBM_STATUS */
 203                mdelay(1);
 204                tmp = RREG32(RBBM_STATUS);
 205                if (!(tmp & ((1 << 20) | (1 << 26)))) {
 206                        break;
 207                }
 208        }
 209        for (i = 0; i < rdev->usec_timeout; i++) {
 210                tmp = RREG32(RBBM_STATUS);
 211                if (!(tmp & ((1 << 20) | (1 << 26)))) {
 212                        DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n",
 213                                 tmp);
 214                        DRM_INFO("GA_IDLE=0x%08X\n", RREG32(0x425C));
 215                        DRM_INFO("RB3D_RESET_STATUS=0x%08X\n", RREG32(0x46f0));
 216                        DRM_INFO("ISYNC_CNTL=0x%08X\n", RREG32(0x1724));
 217                        if (reinit_cp) {
 218                                return r100_cp_init(rdev, rdev->cp.ring_size);
 219                        }
 220                        return 0;
 221                }
 222                DRM_UDELAY(1);
 223        }
 224        tmp = RREG32(RBBM_STATUS);
 225        DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp);
 226        return -1;
 227}
 228
 229int rv515_gpu_reset(struct radeon_device *rdev)
 230{
 231        uint32_t status;
 232
 233        /* reset order likely matter */
 234        status = RREG32(RBBM_STATUS);
 235        /* reset HDP */
 236        r100_hdp_reset(rdev);
 237        /* reset rb2d */
 238        if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
 239                r100_rb2d_reset(rdev);
 240        }
 241        /* reset GA */
 242        if (status & ((1 << 20) | (1 << 26))) {
 243                rv515_ga_reset(rdev);
 244        }
 245        /* reset CP */
 246        status = RREG32(RBBM_STATUS);
 247        if (status & (1 << 16)) {
 248                r100_cp_reset(rdev);
 249        }
 250        /* Check if GPU is idle */
 251        status = RREG32(RBBM_STATUS);
 252        if (status & (1 << 31)) {
 253                DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
 254                return -1;
 255        }
 256        DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
 257        return 0;
 258}
 259
 260static void rv515_vram_get_type(struct radeon_device *rdev)
 261{
 262        uint32_t tmp;
 263
 264        rdev->mc.vram_width = 128;
 265        rdev->mc.vram_is_ddr = true;
 266        tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
 267        switch (tmp) {
 268        case 0:
 269                rdev->mc.vram_width = 64;
 270                break;
 271        case 1:
 272                rdev->mc.vram_width = 128;
 273                break;
 274        default:
 275                rdev->mc.vram_width = 128;
 276                break;
 277        }
 278}
 279
 280void rv515_vram_info(struct radeon_device *rdev)
 281{
 282        fixed20_12 a;
 283
 284        rv515_vram_get_type(rdev);
 285
 286        r100_vram_init_sizes(rdev);
 287        /* FIXME: we should enforce default clock in case GPU is not in
 288         * default setup
 289         */
 290        a.full = rfixed_const(100);
 291        rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
 292        rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
 293}
 294
 295uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 296{
 297        uint32_t r;
 298
 299        WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
 300        r = RREG32(MC_IND_DATA);
 301        WREG32(MC_IND_INDEX, 0);
 302        return r;
 303}
 304
 305void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 306{
 307        WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
 308        WREG32(MC_IND_DATA, (v));
 309        WREG32(MC_IND_INDEX, 0);
 310}
 311
 312#if defined(CONFIG_DEBUG_FS)
 313static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
 314{
 315        struct drm_info_node *node = (struct drm_info_node *) m->private;
 316        struct drm_device *dev = node->minor->dev;
 317        struct radeon_device *rdev = dev->dev_private;
 318        uint32_t tmp;
 319
 320        tmp = RREG32(GB_PIPE_SELECT);
 321        seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
 322        tmp = RREG32(SU_REG_DEST);
 323        seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
 324        tmp = RREG32(GB_TILE_CONFIG);
 325        seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
 326        tmp = RREG32(DST_PIPE_CONFIG);
 327        seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
 328        return 0;
 329}
 330
 331static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
 332{
 333        struct drm_info_node *node = (struct drm_info_node *) m->private;
 334        struct drm_device *dev = node->minor->dev;
 335        struct radeon_device *rdev = dev->dev_private;
 336        uint32_t tmp;
 337
 338        tmp = RREG32(0x2140);
 339        seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
 340        radeon_gpu_reset(rdev);
 341        tmp = RREG32(0x425C);
 342        seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
 343        return 0;
 344}
 345
 346static struct drm_info_list rv515_pipes_info_list[] = {
 347        {"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
 348};
 349
 350static struct drm_info_list rv515_ga_info_list[] = {
 351        {"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
 352};
 353#endif
 354
 355int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
 356{
 357#if defined(CONFIG_DEBUG_FS)
 358        return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
 359#else
 360        return 0;
 361#endif
 362}
 363
 364int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
 365{
 366#if defined(CONFIG_DEBUG_FS)
 367        return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
 368#else
 369        return 0;
 370#endif
 371}
 372
 373void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
 374{
 375        save->d1vga_control = RREG32(R_000330_D1VGA_CONTROL);
 376        save->d2vga_control = RREG32(R_000338_D2VGA_CONTROL);
 377        save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
 378        save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
 379        save->d1crtc_control = RREG32(R_006080_D1CRTC_CONTROL);
 380        save->d2crtc_control = RREG32(R_006880_D2CRTC_CONTROL);
 381
 382        /* Stop all video */
 383        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
 384        WREG32(R_000300_VGA_RENDER_CONTROL, 0);
 385        WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
 386        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
 387        WREG32(R_006080_D1CRTC_CONTROL, 0);
 388        WREG32(R_006880_D2CRTC_CONTROL, 0);
 389        WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
 390        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
 391        WREG32(R_000330_D1VGA_CONTROL, 0);
 392        WREG32(R_000338_D2VGA_CONTROL, 0);
 393}
 394
 395void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
 396{
 397        WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
 398        WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
 399        WREG32(R_006910_D2GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
 400        WREG32(R_006918_D2GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
 401        WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, rdev->mc.vram_start);
 402        /* Unlock host access */
 403        WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
 404        mdelay(1);
 405        /* Restore video state */
 406        WREG32(R_000330_D1VGA_CONTROL, save->d1vga_control);
 407        WREG32(R_000338_D2VGA_CONTROL, save->d2vga_control);
 408        WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
 409        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
 410        WREG32(R_006080_D1CRTC_CONTROL, save->d1crtc_control);
 411        WREG32(R_006880_D2CRTC_CONTROL, save->d2crtc_control);
 412        WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
 413        WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
 414        WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
 415}
 416
 417void rv515_mc_program(struct radeon_device *rdev)
 418{
 419        struct rv515_mc_save save;
 420
 421        /* Stops all mc clients */
 422        rv515_mc_stop(rdev, &save);
 423
 424        /* Wait for mc idle */
 425        if (rv515_mc_wait_for_idle(rdev))
 426                dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 427        /* Write VRAM size in case we are limiting it */
 428        WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
 429        /* Program MC, should be a 32bits limited address space */
 430        WREG32_MC(R_000001_MC_FB_LOCATION,
 431                        S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
 432                        S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
 433        WREG32(R_000134_HDP_FB_LOCATION,
 434                S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
 435        if (rdev->flags & RADEON_IS_AGP) {
 436                WREG32_MC(R_000002_MC_AGP_LOCATION,
 437                        S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
 438                        S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
 439                WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
 440                WREG32_MC(R_000004_MC_AGP_BASE_2,
 441                        S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
 442        } else {
 443                WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
 444                WREG32_MC(R_000003_MC_AGP_BASE, 0);
 445                WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
 446        }
 447
 448        rv515_mc_resume(rdev, &save);
 449}
 450
 451void rv515_clock_startup(struct radeon_device *rdev)
 452{
 453        if (radeon_dynclks != -1 && radeon_dynclks)
 454                radeon_atom_set_clock_gating(rdev, 1);
 455        /* We need to force on some of the block */
 456        WREG32_PLL(R_00000F_CP_DYN_CNTL,
 457                RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
 458        WREG32_PLL(R_000011_E2_DYN_CNTL,
 459                RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
 460        WREG32_PLL(R_000013_IDCT_DYN_CNTL,
 461                RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
 462}
 463
 464static int rv515_startup(struct radeon_device *rdev)
 465{
 466        int r;
 467
 468        rv515_mc_program(rdev);
 469        /* Resume clock */
 470        rv515_clock_startup(rdev);
 471        /* Initialize GPU configuration (# pipes, ...) */
 472        rv515_gpu_init(rdev);
 473        /* Initialize GART (initialize after TTM so we can allocate
 474         * memory through TTM but finalize after TTM) */
 475        if (rdev->flags & RADEON_IS_PCIE) {
 476                r = rv370_pcie_gart_enable(rdev);
 477                if (r)
 478                        return r;
 479        }
 480        /* Enable IRQ */
 481        rdev->irq.sw_int = true;
 482        rs600_irq_set(rdev);
 483        /* 1M ring buffer */
 484        r = r100_cp_init(rdev, 1024 * 1024);
 485        if (r) {
 486                dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
 487                return r;
 488        }
 489        r = r100_wb_init(rdev);
 490        if (r)
 491                dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
 492        r = r100_ib_init(rdev);
 493        if (r) {
 494                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
 495                return r;
 496        }
 497        return 0;
 498}
 499
 500int rv515_resume(struct radeon_device *rdev)
 501{
 502        /* Make sur GART are not working */
 503        if (rdev->flags & RADEON_IS_PCIE)
 504                rv370_pcie_gart_disable(rdev);
 505        /* Resume clock before doing reset */
 506        rv515_clock_startup(rdev);
 507        /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 508        if (radeon_gpu_reset(rdev)) {
 509                dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 510                        RREG32(R_000E40_RBBM_STATUS),
 511                        RREG32(R_0007C0_CP_STAT));
 512        }
 513        /* post */
 514        atom_asic_init(rdev->mode_info.atom_context);
 515        /* Resume clock after posting */
 516        rv515_clock_startup(rdev);
 517        return rv515_startup(rdev);
 518}
 519
 520int rv515_suspend(struct radeon_device *rdev)
 521{
 522        r100_cp_disable(rdev);
 523        r100_wb_disable(rdev);
 524        rs600_irq_disable(rdev);
 525        if (rdev->flags & RADEON_IS_PCIE)
 526                rv370_pcie_gart_disable(rdev);
 527        return 0;
 528}
 529
 530void rv515_set_safe_registers(struct radeon_device *rdev)
 531{
 532        rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
 533        rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
 534}
 535
 536void rv515_fini(struct radeon_device *rdev)
 537{
 538        rv515_suspend(rdev);
 539        r100_cp_fini(rdev);
 540        r100_wb_fini(rdev);
 541        r100_ib_fini(rdev);
 542        radeon_gem_fini(rdev);
 543    rv370_pcie_gart_fini(rdev);
 544        radeon_agp_fini(rdev);
 545        radeon_irq_kms_fini(rdev);
 546        radeon_fence_driver_fini(rdev);
 547        radeon_object_fini(rdev);
 548        radeon_atombios_fini(rdev);
 549        kfree(rdev->bios);
 550        rdev->bios = NULL;
 551}
 552
 553int rv515_init(struct radeon_device *rdev)
 554{
 555        int r;
 556
 557        /* Initialize scratch registers */
 558        radeon_scratch_init(rdev);
 559        /* Initialize surface registers */
 560        radeon_surface_init(rdev);
 561        /* TODO: disable VGA need to use VGA request */
 562        /* BIOS*/
 563        if (!radeon_get_bios(rdev)) {
 564                if (ASIC_IS_AVIVO(rdev))
 565                        return -EINVAL;
 566        }
 567        if (rdev->is_atom_bios) {
 568                r = radeon_atombios_init(rdev);
 569                if (r)
 570                        return r;
 571        } else {
 572                dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
 573                return -EINVAL;
 574        }
 575        /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 576        if (radeon_gpu_reset(rdev)) {
 577                dev_warn(rdev->dev,
 578                        "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 579                        RREG32(R_000E40_RBBM_STATUS),
 580                        RREG32(R_0007C0_CP_STAT));
 581        }
 582        /* check if cards are posted or not */
 583        if (!radeon_card_posted(rdev) && rdev->bios) {
 584                DRM_INFO("GPU not posted. posting now...\n");
 585                atom_asic_init(rdev->mode_info.atom_context);
 586        }
 587        /* Initialize clocks */
 588        radeon_get_clock_info(rdev->ddev);
 589        /* Initialize power management */
 590        radeon_pm_init(rdev);
 591        /* Get vram informations */
 592        rv515_vram_info(rdev);
 593        /* Initialize memory controller (also test AGP) */
 594        r = r420_mc_init(rdev);
 595        if (r)
 596                return r;
 597        rv515_debugfs(rdev);
 598        /* Fence driver */
 599        r = radeon_fence_driver_init(rdev);
 600        if (r)
 601                return r;
 602        r = radeon_irq_kms_init(rdev);
 603        if (r)
 604                return r;
 605        /* Memory manager */
 606        r = radeon_object_init(rdev);
 607        if (r)
 608                return r;
 609        r = rv370_pcie_gart_init(rdev);
 610        if (r)
 611                return r;
 612        rv515_set_safe_registers(rdev);
 613        rdev->accel_working = true;
 614        r = rv515_startup(rdev);
 615        if (r) {
 616                /* Somethings want wront with the accel init stop accel */
 617                dev_err(rdev->dev, "Disabling GPU acceleration\n");
 618                rv515_suspend(rdev);
 619                r100_cp_fini(rdev);
 620                r100_wb_fini(rdev);
 621                r100_ib_fini(rdev);
 622                rv370_pcie_gart_fini(rdev);
 623                radeon_agp_fini(rdev);
 624                radeon_irq_kms_fini(rdev);
 625                rdev->accel_working = false;
 626        }
 627        return 0;
 628}
 629
 630void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
 631{
 632        int index_reg = 0x6578 + crtc->crtc_offset;
 633        int data_reg = 0x657c + crtc->crtc_offset;
 634
 635        WREG32(0x659C + crtc->crtc_offset, 0x0);
 636        WREG32(0x6594 + crtc->crtc_offset, 0x705);
 637        WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
 638        WREG32(0x65D8 + crtc->crtc_offset, 0x0);
 639        WREG32(0x65B0 + crtc->crtc_offset, 0x0);
 640        WREG32(0x65C0 + crtc->crtc_offset, 0x0);
 641        WREG32(0x65D4 + crtc->crtc_offset, 0x0);
 642        WREG32(index_reg, 0x0);
 643        WREG32(data_reg, 0x841880A8);
 644        WREG32(index_reg, 0x1);
 645        WREG32(data_reg, 0x84208680);
 646        WREG32(index_reg, 0x2);
 647        WREG32(data_reg, 0xBFF880B0);
 648        WREG32(index_reg, 0x100);
 649        WREG32(data_reg, 0x83D88088);
 650        WREG32(index_reg, 0x101);
 651        WREG32(data_reg, 0x84608680);
 652        WREG32(index_reg, 0x102);
 653        WREG32(data_reg, 0xBFF080D0);
 654        WREG32(index_reg, 0x200);
 655        WREG32(data_reg, 0x83988068);
 656        WREG32(index_reg, 0x201);
 657        WREG32(data_reg, 0x84A08680);
 658        WREG32(index_reg, 0x202);
 659        WREG32(data_reg, 0xBFF080F8);
 660        WREG32(index_reg, 0x300);
 661        WREG32(data_reg, 0x83588058);
 662        WREG32(index_reg, 0x301);
 663        WREG32(data_reg, 0x84E08660);
 664        WREG32(index_reg, 0x302);
 665        WREG32(data_reg, 0xBFF88120);
 666        WREG32(index_reg, 0x400);
 667        WREG32(data_reg, 0x83188040);
 668        WREG32(index_reg, 0x401);
 669        WREG32(data_reg, 0x85008660);
 670        WREG32(index_reg, 0x402);
 671        WREG32(data_reg, 0xBFF88150);
 672        WREG32(index_reg, 0x500);
 673        WREG32(data_reg, 0x82D88030);
 674        WREG32(index_reg, 0x501);
 675        WREG32(data_reg, 0x85408640);
 676        WREG32(index_reg, 0x502);
 677        WREG32(data_reg, 0xBFF88180);
 678        WREG32(index_reg, 0x600);
 679        WREG32(data_reg, 0x82A08018);
 680        WREG32(index_reg, 0x601);
 681        WREG32(data_reg, 0x85808620);
 682        WREG32(index_reg, 0x602);
 683        WREG32(data_reg, 0xBFF081B8);
 684        WREG32(index_reg, 0x700);
 685        WREG32(data_reg, 0x82608010);
 686        WREG32(index_reg, 0x701);
 687        WREG32(data_reg, 0x85A08600);
 688        WREG32(index_reg, 0x702);
 689        WREG32(data_reg, 0x800081F0);
 690        WREG32(index_reg, 0x800);
 691        WREG32(data_reg, 0x8228BFF8);
 692        WREG32(index_reg, 0x801);
 693        WREG32(data_reg, 0x85E085E0);
 694        WREG32(index_reg, 0x802);
 695        WREG32(data_reg, 0xBFF88228);
 696        WREG32(index_reg, 0x10000);
 697        WREG32(data_reg, 0x82A8BF00);
 698        WREG32(index_reg, 0x10001);
 699        WREG32(data_reg, 0x82A08CC0);
 700        WREG32(index_reg, 0x10002);
 701        WREG32(data_reg, 0x8008BEF8);
 702        WREG32(index_reg, 0x10100);
 703        WREG32(data_reg, 0x81F0BF28);
 704        WREG32(index_reg, 0x10101);
 705        WREG32(data_reg, 0x83608CA0);
 706        WREG32(index_reg, 0x10102);
 707        WREG32(data_reg, 0x8018BED0);
 708        WREG32(index_reg, 0x10200);
 709        WREG32(data_reg, 0x8148BF38);
 710        WREG32(index_reg, 0x10201);
 711        WREG32(data_reg, 0x84408C80);
 712        WREG32(index_reg, 0x10202);
 713        WREG32(data_reg, 0x8008BEB8);
 714        WREG32(index_reg, 0x10300);
 715        WREG32(data_reg, 0x80B0BF78);
 716        WREG32(index_reg, 0x10301);
 717        WREG32(data_reg, 0x85008C20);
 718        WREG32(index_reg, 0x10302);
 719        WREG32(data_reg, 0x8020BEA0);
 720        WREG32(index_reg, 0x10400);
 721        WREG32(data_reg, 0x8028BF90);
 722        WREG32(index_reg, 0x10401);
 723        WREG32(data_reg, 0x85E08BC0);
 724        WREG32(index_reg, 0x10402);
 725        WREG32(data_reg, 0x8018BE90);
 726        WREG32(index_reg, 0x10500);
 727        WREG32(data_reg, 0xBFB8BFB0);
 728        WREG32(index_reg, 0x10501);
 729        WREG32(data_reg, 0x86C08B40);
 730        WREG32(index_reg, 0x10502);
 731        WREG32(data_reg, 0x8010BE90);
 732        WREG32(index_reg, 0x10600);
 733        WREG32(data_reg, 0xBF58BFC8);
 734        WREG32(index_reg, 0x10601);
 735        WREG32(data_reg, 0x87A08AA0);
 736        WREG32(index_reg, 0x10602);
 737        WREG32(data_reg, 0x8010BE98);
 738        WREG32(index_reg, 0x10700);
 739        WREG32(data_reg, 0xBF10BFF0);
 740        WREG32(index_reg, 0x10701);
 741        WREG32(data_reg, 0x886089E0);
 742        WREG32(index_reg, 0x10702);
 743        WREG32(data_reg, 0x8018BEB0);
 744        WREG32(index_reg, 0x10800);
 745        WREG32(data_reg, 0xBED8BFE8);
 746        WREG32(index_reg, 0x10801);
 747        WREG32(data_reg, 0x89408940);
 748        WREG32(index_reg, 0x10802);
 749        WREG32(data_reg, 0xBFE8BED8);
 750        WREG32(index_reg, 0x20000);
 751        WREG32(data_reg, 0x80008000);
 752        WREG32(index_reg, 0x20001);
 753        WREG32(data_reg, 0x90008000);
 754        WREG32(index_reg, 0x20002);
 755        WREG32(data_reg, 0x80008000);
 756        WREG32(index_reg, 0x20003);
 757        WREG32(data_reg, 0x80008000);
 758        WREG32(index_reg, 0x20100);
 759        WREG32(data_reg, 0x80108000);
 760        WREG32(index_reg, 0x20101);
 761        WREG32(data_reg, 0x8FE0BF70);
 762        WREG32(index_reg, 0x20102);
 763        WREG32(data_reg, 0xBFE880C0);
 764        WREG32(index_reg, 0x20103);
 765        WREG32(data_reg, 0x80008000);
 766        WREG32(index_reg, 0x20200);
 767        WREG32(data_reg, 0x8018BFF8);
 768        WREG32(index_reg, 0x20201);
 769        WREG32(data_reg, 0x8F80BF08);
 770        WREG32(index_reg, 0x20202);
 771        WREG32(data_reg, 0xBFD081A0);
 772        WREG32(index_reg, 0x20203);
 773        WREG32(data_reg, 0xBFF88000);
 774        WREG32(index_reg, 0x20300);
 775        WREG32(data_reg, 0x80188000);
 776        WREG32(index_reg, 0x20301);
 777        WREG32(data_reg, 0x8EE0BEC0);
 778        WREG32(index_reg, 0x20302);
 779        WREG32(data_reg, 0xBFB082A0);
 780        WREG32(index_reg, 0x20303);
 781        WREG32(data_reg, 0x80008000);
 782        WREG32(index_reg, 0x20400);
 783        WREG32(data_reg, 0x80188000);
 784        WREG32(index_reg, 0x20401);
 785        WREG32(data_reg, 0x8E00BEA0);
 786        WREG32(index_reg, 0x20402);
 787        WREG32(data_reg, 0xBF8883C0);
 788        WREG32(index_reg, 0x20403);
 789        WREG32(data_reg, 0x80008000);
 790        WREG32(index_reg, 0x20500);
 791        WREG32(data_reg, 0x80188000);
 792        WREG32(index_reg, 0x20501);
 793        WREG32(data_reg, 0x8D00BE90);
 794        WREG32(index_reg, 0x20502);
 795        WREG32(data_reg, 0xBF588500);
 796        WREG32(index_reg, 0x20503);
 797        WREG32(data_reg, 0x80008008);
 798        WREG32(index_reg, 0x20600);
 799        WREG32(data_reg, 0x80188000);
 800        WREG32(index_reg, 0x20601);
 801        WREG32(data_reg, 0x8BC0BE98);
 802        WREG32(index_reg, 0x20602);
 803        WREG32(data_reg, 0xBF308660);
 804        WREG32(index_reg, 0x20603);
 805        WREG32(data_reg, 0x80008008);
 806        WREG32(index_reg, 0x20700);
 807        WREG32(data_reg, 0x80108000);
 808        WREG32(index_reg, 0x20701);
 809        WREG32(data_reg, 0x8A80BEB0);
 810        WREG32(index_reg, 0x20702);
 811        WREG32(data_reg, 0xBF0087C0);
 812        WREG32(index_reg, 0x20703);
 813        WREG32(data_reg, 0x80008008);
 814        WREG32(index_reg, 0x20800);
 815        WREG32(data_reg, 0x80108000);
 816        WREG32(index_reg, 0x20801);
 817        WREG32(data_reg, 0x8920BED0);
 818        WREG32(index_reg, 0x20802);
 819        WREG32(data_reg, 0xBED08920);
 820        WREG32(index_reg, 0x20803);
 821        WREG32(data_reg, 0x80008010);
 822        WREG32(index_reg, 0x30000);
 823        WREG32(data_reg, 0x90008000);
 824        WREG32(index_reg, 0x30001);
 825        WREG32(data_reg, 0x80008000);
 826        WREG32(index_reg, 0x30100);
 827        WREG32(data_reg, 0x8FE0BF90);
 828        WREG32(index_reg, 0x30101);
 829        WREG32(data_reg, 0xBFF880A0);
 830        WREG32(index_reg, 0x30200);
 831        WREG32(data_reg, 0x8F60BF40);
 832        WREG32(index_reg, 0x30201);
 833        WREG32(data_reg, 0xBFE88180);
 834        WREG32(index_reg, 0x30300);
 835        WREG32(data_reg, 0x8EC0BF00);
 836        WREG32(index_reg, 0x30301);
 837        WREG32(data_reg, 0xBFC88280);
 838        WREG32(index_reg, 0x30400);
 839        WREG32(data_reg, 0x8DE0BEE0);
 840        WREG32(index_reg, 0x30401);
 841        WREG32(data_reg, 0xBFA083A0);
 842        WREG32(index_reg, 0x30500);
 843        WREG32(data_reg, 0x8CE0BED0);
 844        WREG32(index_reg, 0x30501);
 845        WREG32(data_reg, 0xBF7884E0);
 846        WREG32(index_reg, 0x30600);
 847        WREG32(data_reg, 0x8BA0BED8);
 848        WREG32(index_reg, 0x30601);
 849        WREG32(data_reg, 0xBF508640);
 850        WREG32(index_reg, 0x30700);
 851        WREG32(data_reg, 0x8A60BEE8);
 852        WREG32(index_reg, 0x30701);
 853        WREG32(data_reg, 0xBF2087A0);
 854        WREG32(index_reg, 0x30800);
 855        WREG32(data_reg, 0x8900BF00);
 856        WREG32(index_reg, 0x30801);
 857        WREG32(data_reg, 0xBF008900);
 858}
 859
 860struct rv515_watermark {
 861        u32        lb_request_fifo_depth;
 862        fixed20_12 num_line_pair;
 863        fixed20_12 estimated_width;
 864        fixed20_12 worst_case_latency;
 865        fixed20_12 consumption_rate;
 866        fixed20_12 active_time;
 867        fixed20_12 dbpp;
 868        fixed20_12 priority_mark_max;
 869        fixed20_12 priority_mark;
 870        fixed20_12 sclk;
 871};
 872
 873void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
 874                                  struct radeon_crtc *crtc,
 875                                  struct rv515_watermark *wm)
 876{
 877        struct drm_display_mode *mode = &crtc->base.mode;
 878        fixed20_12 a, b, c;
 879        fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
 880        fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
 881
 882        if (!crtc->base.enabled) {
 883                /* FIXME: wouldn't it better to set priority mark to maximum */
 884                wm->lb_request_fifo_depth = 4;
 885                return;
 886        }
 887
 888        if (crtc->vsc.full > rfixed_const(2))
 889                wm->num_line_pair.full = rfixed_const(2);
 890        else
 891                wm->num_line_pair.full = rfixed_const(1);
 892
 893        b.full = rfixed_const(mode->crtc_hdisplay);
 894        c.full = rfixed_const(256);
 895        a.full = rfixed_mul(wm->num_line_pair, b);
 896        request_fifo_depth.full = rfixed_div(a, c);
 897        if (a.full < rfixed_const(4)) {
 898                wm->lb_request_fifo_depth = 4;
 899        } else {
 900                wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
 901        }
 902
 903        /* Determine consumption rate
 904         *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
 905         *  vtaps = number of vertical taps,
 906         *  vsc = vertical scaling ratio, defined as source/destination
 907         *  hsc = horizontal scaling ration, defined as source/destination
 908         */
 909        a.full = rfixed_const(mode->clock);
 910        b.full = rfixed_const(1000);
 911        a.full = rfixed_div(a, b);
 912        pclk.full = rfixed_div(b, a);
 913        if (crtc->rmx_type != RMX_OFF) {
 914                b.full = rfixed_const(2);
 915                if (crtc->vsc.full > b.full)
 916                        b.full = crtc->vsc.full;
 917                b.full = rfixed_mul(b, crtc->hsc);
 918                c.full = rfixed_const(2);
 919                b.full = rfixed_div(b, c);
 920                consumption_time.full = rfixed_div(pclk, b);
 921        } else {
 922                consumption_time.full = pclk.full;
 923        }
 924        a.full = rfixed_const(1);
 925        wm->consumption_rate.full = rfixed_div(a, consumption_time);
 926
 927
 928        /* Determine line time
 929         *  LineTime = total time for one line of displayhtotal
 930         *  LineTime = total number of horizontal pixels
 931         *  pclk = pixel clock period(ns)
 932         */
 933        a.full = rfixed_const(crtc->base.mode.crtc_htotal);
 934        line_time.full = rfixed_mul(a, pclk);
 935
 936        /* Determine active time
 937         *  ActiveTime = time of active region of display within one line,
 938         *  hactive = total number of horizontal active pixels
 939         *  htotal = total number of horizontal pixels
 940         */
 941        a.full = rfixed_const(crtc->base.mode.crtc_htotal);
 942        b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
 943        wm->active_time.full = rfixed_mul(line_time, b);
 944        wm->active_time.full = rfixed_div(wm->active_time, a);
 945
 946        /* Determine chunk time
 947         * ChunkTime = the time it takes the DCP to send one chunk of data
 948         * to the LB which consists of pipeline delay and inter chunk gap
 949         * sclk = system clock(Mhz)
 950         */
 951        a.full = rfixed_const(600 * 1000);
 952        chunk_time.full = rfixed_div(a, rdev->pm.sclk);
 953        read_delay_latency.full = rfixed_const(1000);
 954
 955        /* Determine the worst case latency
 956         * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
 957         * WorstCaseLatency = worst case time from urgent to when the MC starts
 958         *                    to return data
 959         * READ_DELAY_IDLE_MAX = constant of 1us
 960         * ChunkTime = time it takes the DCP to send one chunk of data to the LB
 961         *             which consists of pipeline delay and inter chunk gap
 962         */
 963        if (rfixed_trunc(wm->num_line_pair) > 1) {
 964                a.full = rfixed_const(3);
 965                wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
 966                wm->worst_case_latency.full += read_delay_latency.full;
 967        } else {
 968                wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
 969        }
 970
 971        /* Determine the tolerable latency
 972         * TolerableLatency = Any given request has only 1 line time
 973         *                    for the data to be returned
 974         * LBRequestFifoDepth = Number of chunk requests the LB can
 975         *                      put into the request FIFO for a display
 976         *  LineTime = total time for one line of display
 977         *  ChunkTime = the time it takes the DCP to send one chunk
 978         *              of data to the LB which consists of
 979         *  pipeline delay and inter chunk gap
 980         */
 981        if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
 982                tolerable_latency.full = line_time.full;
 983        } else {
 984                tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
 985                tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
 986                tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
 987                tolerable_latency.full = line_time.full - tolerable_latency.full;
 988        }
 989        /* We assume worst case 32bits (4 bytes) */
 990        wm->dbpp.full = rfixed_const(2 * 16);
 991
 992        /* Determine the maximum priority mark
 993         *  width = viewport width in pixels
 994         */
 995        a.full = rfixed_const(16);
 996        wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
 997        wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
 998
 999        /* Determine estimated width */
1000        estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1001        estimated_width.full = rfixed_div(estimated_width, consumption_time);
1002        if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1003                wm->priority_mark.full = rfixed_const(10);
1004        } else {
1005                a.full = rfixed_const(16);
1006                wm->priority_mark.full = rfixed_div(estimated_width, a);
1007                wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1008        }
1009}
1010
1011void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1012{
1013        struct drm_display_mode *mode0 = NULL;
1014        struct drm_display_mode *mode1 = NULL;
1015        struct rv515_watermark wm0;
1016        struct rv515_watermark wm1;
1017        u32 tmp;
1018        fixed20_12 priority_mark02, priority_mark12, fill_rate;
1019        fixed20_12 a, b;
1020
1021        if (rdev->mode_info.crtcs[0]->base.enabled)
1022                mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1023        if (rdev->mode_info.crtcs[1]->base.enabled)
1024                mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1025        rs690_line_buffer_adjust(rdev, mode0, mode1);
1026
1027        rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
1028        rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
1029
1030        tmp = wm0.lb_request_fifo_depth;
1031        tmp |= wm1.lb_request_fifo_depth << 16;
1032        WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1033
1034        if (mode0 && mode1) {
1035                if (rfixed_trunc(wm0.dbpp) > 64)
1036                        a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
1037                else
1038                        a.full = wm0.num_line_pair.full;
1039                if (rfixed_trunc(wm1.dbpp) > 64)
1040                        b.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
1041                else
1042                        b.full = wm1.num_line_pair.full;
1043                a.full += b.full;
1044                fill_rate.full = rfixed_div(wm0.sclk, a);
1045                if (wm0.consumption_rate.full > fill_rate.full) {
1046                        b.full = wm0.consumption_rate.full - fill_rate.full;
1047                        b.full = rfixed_mul(b, wm0.active_time);
1048                        a.full = rfixed_const(16);
1049                        b.full = rfixed_div(b, a);
1050                        a.full = rfixed_mul(wm0.worst_case_latency,
1051                                                wm0.consumption_rate);
1052                        priority_mark02.full = a.full + b.full;
1053                } else {
1054                        a.full = rfixed_mul(wm0.worst_case_latency,
1055                                                wm0.consumption_rate);
1056                        b.full = rfixed_const(16 * 1000);
1057                        priority_mark02.full = rfixed_div(a, b);
1058                }
1059                if (wm1.consumption_rate.full > fill_rate.full) {
1060                        b.full = wm1.consumption_rate.full - fill_rate.full;
1061                        b.full = rfixed_mul(b, wm1.active_time);
1062                        a.full = rfixed_const(16);
1063                        b.full = rfixed_div(b, a);
1064                        a.full = rfixed_mul(wm1.worst_case_latency,
1065                                                wm1.consumption_rate);
1066                        priority_mark12.full = a.full + b.full;
1067                } else {
1068                        a.full = rfixed_mul(wm1.worst_case_latency,
1069                                                wm1.consumption_rate);
1070                        b.full = rfixed_const(16 * 1000);
1071                        priority_mark12.full = rfixed_div(a, b);
1072                }
1073                if (wm0.priority_mark.full > priority_mark02.full)
1074                        priority_mark02.full = wm0.priority_mark.full;
1075                if (rfixed_trunc(priority_mark02) < 0)
1076                        priority_mark02.full = 0;
1077                if (wm0.priority_mark_max.full > priority_mark02.full)
1078                        priority_mark02.full = wm0.priority_mark_max.full;
1079                if (wm1.priority_mark.full > priority_mark12.full)
1080                        priority_mark12.full = wm1.priority_mark.full;
1081                if (rfixed_trunc(priority_mark12) < 0)
1082                        priority_mark12.full = 0;
1083                if (wm1.priority_mark_max.full > priority_mark12.full)
1084                        priority_mark12.full = wm1.priority_mark_max.full;
1085                WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
1086                WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
1087                WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
1088                WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
1089        } else if (mode0) {
1090                if (rfixed_trunc(wm0.dbpp) > 64)
1091                        a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
1092                else
1093                        a.full = wm0.num_line_pair.full;
1094                fill_rate.full = rfixed_div(wm0.sclk, a);
1095                if (wm0.consumption_rate.full > fill_rate.full) {
1096                        b.full = wm0.consumption_rate.full - fill_rate.full;
1097                        b.full = rfixed_mul(b, wm0.active_time);
1098                        a.full = rfixed_const(16);
1099                        b.full = rfixed_div(b, a);
1100                        a.full = rfixed_mul(wm0.worst_case_latency,
1101                                                wm0.consumption_rate);
1102                        priority_mark02.full = a.full + b.full;
1103                } else {
1104                        a.full = rfixed_mul(wm0.worst_case_latency,
1105                                                wm0.consumption_rate);
1106                        b.full = rfixed_const(16);
1107                        priority_mark02.full = rfixed_div(a, b);
1108                }
1109                if (wm0.priority_mark.full > priority_mark02.full)
1110                        priority_mark02.full = wm0.priority_mark.full;
1111                if (rfixed_trunc(priority_mark02) < 0)
1112                        priority_mark02.full = 0;
1113                if (wm0.priority_mark_max.full > priority_mark02.full)
1114                        priority_mark02.full = wm0.priority_mark_max.full;
1115                WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
1116                WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
1117                WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
1118                WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
1119        } else {
1120                if (rfixed_trunc(wm1.dbpp) > 64)
1121                        a.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
1122                else
1123                        a.full = wm1.num_line_pair.full;
1124                fill_rate.full = rfixed_div(wm1.sclk, a);
1125                if (wm1.consumption_rate.full > fill_rate.full) {
1126                        b.full = wm1.consumption_rate.full - fill_rate.full;
1127                        b.full = rfixed_mul(b, wm1.active_time);
1128                        a.full = rfixed_const(16);
1129                        b.full = rfixed_div(b, a);
1130                        a.full = rfixed_mul(wm1.worst_case_latency,
1131                                                wm1.consumption_rate);
1132                        priority_mark12.full = a.full + b.full;
1133                } else {
1134                        a.full = rfixed_mul(wm1.worst_case_latency,
1135                                                wm1.consumption_rate);
1136                        b.full = rfixed_const(16 * 1000);
1137                        priority_mark12.full = rfixed_div(a, b);
1138                }
1139                if (wm1.priority_mark.full > priority_mark12.full)
1140                        priority_mark12.full = wm1.priority_mark.full;
1141                if (rfixed_trunc(priority_mark12) < 0)
1142                        priority_mark12.full = 0;
1143                if (wm1.priority_mark_max.full > priority_mark12.full)
1144                        priority_mark12.full = wm1.priority_mark_max.full;
1145                WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
1146                WREG32(D1MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
1147                WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
1148                WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
1149        }
1150}
1151
1152void rv515_bandwidth_update(struct radeon_device *rdev)
1153{
1154        uint32_t tmp;
1155        struct drm_display_mode *mode0 = NULL;
1156        struct drm_display_mode *mode1 = NULL;
1157
1158        if (rdev->mode_info.crtcs[0]->base.enabled)
1159                mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1160        if (rdev->mode_info.crtcs[1]->base.enabled)
1161                mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1162        /*
1163         * Set display0/1 priority up in the memory controller for
1164         * modes if the user specifies HIGH for displaypriority
1165         * option.
1166         */
1167        if (rdev->disp_priority == 2) {
1168                tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1169                tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1170                tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1171                if (mode1)
1172                        tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1173                if (mode0)
1174                        tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1175                WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1176        }
1177        rv515_bandwidth_avivo_update(rdev);
1178}
1179
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