drivers/gpu/drm/radeon/radeon_clocks.c

   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 <drm/drmP.h>
  29 #include <drm/radeon_drm.h>
  30 #include "radeon_reg.h"
  31 #include "radeon.h"
  32 #include "atom.h"
  33
  34 /* 10 khz */
  35 uint32_t radeon_legacy_get_engine_clock(struct radeon_device *rdev)
  36 {
  37         struct radeon_pll *spll = &rdev->clock.spll;
  38         uint32_t fb_div, ref_div, post_div, sclk;
  39
  40         fb_div = RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV);
  41         fb_div = (fb_div >> RADEON_SPLL_FB_DIV_SHIFT) & RADEON_SPLL_FB_DIV_MASK;
  42         fb_div <<= 1;
  43         fb_div *= spll->reference_freq;
  44
  45         ref_div =
  46             RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) & RADEON_M_SPLL_REF_DIV_MASK;
  47
  48         if (ref_div == 0)
  49                 return 0;
  50
  51         sclk = fb_div / ref_div;
  52
  53         post_div = RREG32_PLL(RADEON_SCLK_CNTL) & RADEON_SCLK_SRC_SEL_MASK;
  54         if (post_div == 2)
  55                 sclk >>= 1;
  56         else if (post_div == 3)
  57                 sclk >>= 2;
  58         else if (post_div == 4)
  59                 sclk >>= 3;
  60
  61         return sclk;
  62 }
  63
  64 /* 10 khz */
  65 uint32_t radeon_legacy_get_memory_clock(struct radeon_device *rdev)
  66 {
  67         struct radeon_pll *mpll = &rdev->clock.mpll;
  68         uint32_t fb_div, ref_div, post_div, mclk;
  69
  70         fb_div = RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV);
  71         fb_div = (fb_div >> RADEON_MPLL_FB_DIV_SHIFT) & RADEON_MPLL_FB_DIV_MASK;
  72         fb_div <<= 1;
  73         fb_div *= mpll->reference_freq;
  74
  75         ref_div =
  76             RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) & RADEON_M_SPLL_REF_DIV_MASK;
  77
  78         if (ref_div == 0)
  79                 return 0;
  80
  81         mclk = fb_div / ref_div;
  82
  83         post_div = RREG32_PLL(RADEON_MCLK_CNTL) & 0x7;
  84         if (post_div == 2)
  85                 mclk >>= 1;
  86         else if (post_div == 3)
  87                 mclk >>= 2;
  88         else if (post_div == 4)
  89                 mclk >>= 3;
  90
  91         return mclk;
  92 }
  93
  94 #ifdef CONFIG_OF
  95 /*
  96  * Read XTAL (ref clock), SCLK and MCLK from Open Firmware device
  97  * tree. Hopefully, ATI OF driver is kind enough to fill these
  98  */
  99 static bool radeon_read_clocks_OF(struct drm_device *dev)
 100 {
 101         struct radeon_device *rdev = dev->dev_private;
 102         struct device_node *dp = rdev->pdev->dev.of_node;
 103         const u32 *val;
 104         struct radeon_pll *p1pll = &rdev->clock.p1pll;
 105         struct radeon_pll *p2pll = &rdev->clock.p2pll;
 106         struct radeon_pll *spll = &rdev->clock.spll;
 107         struct radeon_pll *mpll = &rdev->clock.mpll;
 108
 109         if (dp == NULL)
 110                 return false;
 111         val = of_get_property(dp, "ATY,RefCLK", NULL);
 112         if (!val || !*val) {
 113                 printk(KERN_WARNING "radeonfb: No ATY,RefCLK property !\n");
 114                 return false;
 115         }
 116         p1pll->reference_freq = p2pll->reference_freq = (*val) / 10;
 117         p1pll->reference_div = RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
 118         if (p1pll->reference_div < 2)
 119                 p1pll->reference_div = 12;
 120         p2pll->reference_div = p1pll->reference_div;
 121
 122         /* These aren't in the device-tree */
 123         if (rdev->family >= CHIP_R420) {
 124                 p1pll->pll_in_min = 100;
 125                 p1pll->pll_in_max = 1350;
 126                 p1pll->pll_out_min = 20000;
 127                 p1pll->pll_out_max = 50000;
 128                 p2pll->pll_in_min = 100;
 129                 p2pll->pll_in_max = 1350;
 130                 p2pll->pll_out_min = 20000;
 131                 p2pll->pll_out_max = 50000;
 132         } else {
 133                 p1pll->pll_in_min = 40;
 134                 p1pll->pll_in_max = 500;
 135                 p1pll->pll_out_min = 12500;
 136                 p1pll->pll_out_max = 35000;
 137                 p2pll->pll_in_min = 40;
 138                 p2pll->pll_in_max = 500;
 139                 p2pll->pll_out_min = 12500;
 140                 p2pll->pll_out_max = 35000;
 141         }
 142         /* not sure what the max should be in all cases */
 143         rdev->clock.max_pixel_clock = 35000;
 144
 145         spll->reference_freq = mpll->reference_freq = p1pll->reference_freq;
 146         spll->reference_div = mpll->reference_div =
 147                 RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) &
 148                             RADEON_M_SPLL_REF_DIV_MASK;
 149
 150         val = of_get_property(dp, "ATY,SCLK", NULL);
 151         if (val && *val)
 152                 rdev->clock.default_sclk = (*val) / 10;
 153         else
 154                 rdev->clock.default_sclk =
 155                         radeon_legacy_get_engine_clock(rdev);
 156
 157         val = of_get_property(dp, "ATY,MCLK", NULL);
 158         if (val && *val)
 159                 rdev->clock.default_mclk = (*val) / 10;
 160         else
 161                 rdev->clock.default_mclk =
 162                         radeon_legacy_get_memory_clock(rdev);
 163
 164         DRM_INFO("Using device-tree clock info\n");
 165
 166         return true;
 167 }
 168 #else
 169 static bool radeon_read_clocks_OF(struct drm_device *dev)
 170 {
 171         return false;
 172 }
 173 #endif /* CONFIG_OF */
 174
 175 void radeon_get_clock_info(struct drm_device *dev)
 176 {
 177         struct radeon_device *rdev = dev->dev_private;
 178         struct radeon_pll *p1pll = &rdev->clock.p1pll;
 179         struct radeon_pll *p2pll = &rdev->clock.p2pll;
 180         struct radeon_pll *dcpll = &rdev->clock.dcpll;
 181         struct radeon_pll *spll = &rdev->clock.spll;
 182         struct radeon_pll *mpll = &rdev->clock.mpll;
 183         int ret;
 184
 185         if (rdev->is_atom_bios)
 186                 ret = radeon_atom_get_clock_info(dev);
 187         else
 188                 ret = radeon_combios_get_clock_info(dev);
 189         if (!ret)
 190                 ret = radeon_read_clocks_OF(dev);
 191
 192         if (ret) {
 193                 if (p1pll->reference_div < 2) {
 194                         if (!ASIC_IS_AVIVO(rdev)) {
 195                                 u32 tmp = RREG32_PLL(RADEON_PPLL_REF_DIV);
 196                                 if (ASIC_IS_R300(rdev))
 197                                         p1pll->reference_div =
 198                                                 (tmp & R300_PPLL_REF_DIV_ACC_MASK) >> R300_PPLL_REF_DIV_ACC_SHIFT;
 199                                 else
 200                                         p1pll->reference_div = tmp & RADEON_PPLL_REF_DIV_MASK;
 201                                 if (p1pll->reference_div < 2)
 202                                         p1pll->reference_div = 12;
 203                         } else
 204                                 p1pll->reference_div = 12;
 205                 }
 206                 if (p2pll->reference_div < 2)
 207                         p2pll->reference_div = 12;
 208                 if (rdev->family < CHIP_RS600) {
 209                         if (spll->reference_div < 2)
 210                                 spll->reference_div =
 211                                         RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) &
 212                                         RADEON_M_SPLL_REF_DIV_MASK;
 213                 }
 214                 if (mpll->reference_div < 2)
 215                         mpll->reference_div = spll->reference_div;
 216         } else {
 217                 if (ASIC_IS_AVIVO(rdev)) {
 218                         /* TODO FALLBACK */
 219                 } else {
 220                         DRM_INFO("Using generic clock info\n");
 221
 222                         /* may need to be per card */
 223                         rdev->clock.max_pixel_clock = 35000;
 224
 225                         if (rdev->flags & RADEON_IS_IGP) {
 226                                 p1pll->reference_freq = 1432;
 227                                 p2pll->reference_freq = 1432;
 228                                 spll->reference_freq = 1432;
 229                                 mpll->reference_freq = 1432;
 230                         } else {
 231                                 p1pll->reference_freq = 2700;
 232                                 p2pll->reference_freq = 2700;
 233                                 spll->reference_freq = 2700;
 234                                 mpll->reference_freq = 2700;
 235                         }
 236                         p1pll->reference_div =
 237                             RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
 238                         if (p1pll->reference_div < 2)
 239                                 p1pll->reference_div = 12;
 240                         p2pll->reference_div = p1pll->reference_div;
 241
 242                         if (rdev->family >= CHIP_R420) {
 243                                 p1pll->pll_in_min = 100;
 244                                 p1pll->pll_in_max = 1350;
 245                                 p1pll->pll_out_min = 20000;
 246                                 p1pll->pll_out_max = 50000;
 247                                 p2pll->pll_in_min = 100;
 248                                 p2pll->pll_in_max = 1350;
 249                                 p2pll->pll_out_min = 20000;
 250                                 p2pll->pll_out_max = 50000;
 251                         } else {
 252                                 p1pll->pll_in_min = 40;
 253                                 p1pll->pll_in_max = 500;
 254                                 p1pll->pll_out_min = 12500;
 255                                 p1pll->pll_out_max = 35000;
 256                                 p2pll->pll_in_min = 40;
 257                                 p2pll->pll_in_max = 500;
 258                                 p2pll->pll_out_min = 12500;
 259                                 p2pll->pll_out_max = 35000;
 260                         }
 261
 262                         spll->reference_div =
 263                             RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) &
 264                             RADEON_M_SPLL_REF_DIV_MASK;
 265                         mpll->reference_div = spll->reference_div;
 266                         rdev->clock.default_sclk =
 267                             radeon_legacy_get_engine_clock(rdev);
 268                         rdev->clock.default_mclk =
 269                             radeon_legacy_get_memory_clock(rdev);
 270                 }
 271         }
 272
 273         /* pixel clocks */
 274         if (ASIC_IS_AVIVO(rdev)) {
 275                 p1pll->min_post_div = 2;
 276                 p1pll->max_post_div = 0x7f;
 277                 p1pll->min_frac_feedback_div = 0;
 278                 p1pll->max_frac_feedback_div = 9;
 279                 p2pll->min_post_div = 2;
 280                 p2pll->max_post_div = 0x7f;
 281                 p2pll->min_frac_feedback_div = 0;
 282                 p2pll->max_frac_feedback_div = 9;
 283         } else {
 284                 p1pll->min_post_div = 1;
 285                 p1pll->max_post_div = 16;
 286                 p1pll->min_frac_feedback_div = 0;
 287                 p1pll->max_frac_feedback_div = 0;
 288                 p2pll->min_post_div = 1;
 289                 p2pll->max_post_div = 12;
 290                 p2pll->min_frac_feedback_div = 0;
 291                 p2pll->max_frac_feedback_div = 0;
 292         }
 293
 294         /* dcpll is DCE4 only */
 295         dcpll->min_post_div = 2;
 296         dcpll->max_post_div = 0x7f;
 297         dcpll->min_frac_feedback_div = 0;
 298         dcpll->max_frac_feedback_div = 9;
 299         dcpll->min_ref_div = 2;
 300         dcpll->max_ref_div = 0x3ff;
 301         dcpll->min_feedback_div = 4;
 302         dcpll->max_feedback_div = 0xfff;
 303         dcpll->best_vco = 0;
 304
 305         p1pll->min_ref_div = 2;
 306         p1pll->max_ref_div = 0x3ff;
 307         p1pll->min_feedback_div = 4;
 308         p1pll->max_feedback_div = 0x7ff;
 309         p1pll->best_vco = 0;
 310
 311         p2pll->min_ref_div = 2;
 312         p2pll->max_ref_div = 0x3ff;
 313         p2pll->min_feedback_div = 4;
 314         p2pll->max_feedback_div = 0x7ff;
 315         p2pll->best_vco = 0;
 316
 317         /* system clock */
 318         spll->min_post_div = 1;
 319         spll->max_post_div = 1;
 320         spll->min_ref_div = 2;
 321         spll->max_ref_div = 0xff;
 322         spll->min_feedback_div = 4;
 323         spll->max_feedback_div = 0xff;
 324         spll->best_vco = 0;
 325
 326         /* memory clock */
 327         mpll->min_post_div = 1;
 328         mpll->max_post_div = 1;
 329         mpll->min_ref_div = 2;
 330         mpll->max_ref_div = 0xff;
 331         mpll->min_feedback_div = 4;
 332         mpll->max_feedback_div = 0xff;
 333         mpll->best_vco = 0;
 334
 335         if (!rdev->clock.default_sclk)
 336                 rdev->clock.default_sclk = radeon_get_engine_clock(rdev);
 337         if ((!rdev->clock.default_mclk) && rdev->asic->pm.get_memory_clock)
 338                 rdev->clock.default_mclk = radeon_get_memory_clock(rdev);
 339
 340         rdev->pm.current_sclk = rdev->clock.default_sclk;
 341         rdev->pm.current_mclk = rdev->clock.default_mclk;
 342
 343 }
 344
 345 /* 10 khz */
 346 static uint32_t calc_eng_mem_clock(struct radeon_device *rdev,
 347                                    uint32_t req_clock,
 348                                    int *fb_div, int *post_div)
 349 {
 350         struct radeon_pll *spll = &rdev->clock.spll;
 351         int ref_div = spll->reference_div;
 352
 353         if (!ref_div)
 354                 ref_div =
 355                     RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) &
 356                     RADEON_M_SPLL_REF_DIV_MASK;
 357
 358         if (req_clock < 15000) {
 359                 *post_div = 8;
 360                 req_clock *= 8;
 361         } else if (req_clock < 30000) {
 362                 *post_div = 4;
 363                 req_clock *= 4;
 364         } else if (req_clock < 60000) {
 365                 *post_div = 2;
 366                 req_clock *= 2;
 367         } else
 368                 *post_div = 1;
 369
 370         req_clock *= ref_div;
 371         req_clock += spll->reference_freq;
 372         req_clock /= (2 * spll->reference_freq);
 373
 374         *fb_div = req_clock & 0xff;
 375
 376         req_clock = (req_clock & 0xffff) << 1;
 377         req_clock *= spll->reference_freq;
 378         req_clock /= ref_div;
 379         req_clock /= *post_div;
 380
 381         return req_clock;
 382 }
 383
 384 /* 10 khz */
 385 void radeon_legacy_set_engine_clock(struct radeon_device *rdev,
 386                                     uint32_t eng_clock)
 387 {
 388         uint32_t tmp;
 389         int fb_div, post_div;
 390
 391         /* XXX: wait for idle */
 392
 393         eng_clock = calc_eng_mem_clock(rdev, eng_clock, &fb_div, &post_div);
 394
 395         tmp = RREG32_PLL(RADEON_CLK_PIN_CNTL);
 396         tmp &= ~RADEON_DONT_USE_XTALIN;
 397         WREG32_PLL(RADEON_CLK_PIN_CNTL, tmp);
 398
 399         tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 400         tmp &= ~RADEON_SCLK_SRC_SEL_MASK;
 401         WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 402
 403         udelay(10);
 404
 405         tmp = RREG32_PLL(RADEON_SPLL_CNTL);
 406         tmp |= RADEON_SPLL_SLEEP;
 407         WREG32_PLL(RADEON_SPLL_CNTL, tmp);
 408
 409         udelay(2);
 410
 411         tmp = RREG32_PLL(RADEON_SPLL_CNTL);
 412         tmp |= RADEON_SPLL_RESET;
 413         WREG32_PLL(RADEON_SPLL_CNTL, tmp);
 414
 415         udelay(200);
 416
 417         tmp = RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV);
 418         tmp &= ~(RADEON_SPLL_FB_DIV_MASK << RADEON_SPLL_FB_DIV_SHIFT);
 419         tmp |= (fb_div & RADEON_SPLL_FB_DIV_MASK) << RADEON_SPLL_FB_DIV_SHIFT;
 420         WREG32_PLL(RADEON_M_SPLL_REF_FB_DIV, tmp);
 421
 422         /* XXX: verify on different asics */
 423         tmp = RREG32_PLL(RADEON_SPLL_CNTL);
 424         tmp &= ~RADEON_SPLL_PVG_MASK;
 425         if ((eng_clock * post_div) >= 90000)
 426                 tmp |= (0x7 << RADEON_SPLL_PVG_SHIFT);
 427         else
 428                 tmp |= (0x4 << RADEON_SPLL_PVG_SHIFT);
 429         WREG32_PLL(RADEON_SPLL_CNTL, tmp);
 430
 431         tmp = RREG32_PLL(RADEON_SPLL_CNTL);
 432         tmp &= ~RADEON_SPLL_SLEEP;
 433         WREG32_PLL(RADEON_SPLL_CNTL, tmp);
 434
 435         udelay(2);
 436
 437         tmp = RREG32_PLL(RADEON_SPLL_CNTL);
 438         tmp &= ~RADEON_SPLL_RESET;
 439         WREG32_PLL(RADEON_SPLL_CNTL, tmp);
 440
 441         udelay(200);
 442
 443         tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 444         tmp &= ~RADEON_SCLK_SRC_SEL_MASK;
 445         switch (post_div) {
 446         case 1:
 447         default:
 448                 tmp |= 1;
 449                 break;
 450         case 2:
 451                 tmp |= 2;
 452                 break;
 453         case 4:
 454                 tmp |= 3;
 455                 break;
 456         case 8:
 457                 tmp |= 4;
 458                 break;
 459         }
 460         WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 461
 462         udelay(20);
 463
 464         tmp = RREG32_PLL(RADEON_CLK_PIN_CNTL);
 465         tmp |= RADEON_DONT_USE_XTALIN;
 466         WREG32_PLL(RADEON_CLK_PIN_CNTL, tmp);
 467
 468         udelay(10);
 469 }
 470
 471 void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable)
 472 {
 473         uint32_t tmp;
 474
 475         if (enable) {
 476                 if (rdev->flags & RADEON_SINGLE_CRTC) {
 477                         tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 478                         if ((RREG32(RADEON_CONFIG_CNTL) &
 479                              RADEON_CFG_ATI_REV_ID_MASK) >
 480                             RADEON_CFG_ATI_REV_A13) {
 481                                 tmp &=
 482                                     ~(RADEON_SCLK_FORCE_CP |
 483                                       RADEON_SCLK_FORCE_RB);
 484                         }
 485                         tmp &=
 486                             ~(RADEON_SCLK_FORCE_HDP | RADEON_SCLK_FORCE_DISP1 |
 487                               RADEON_SCLK_FORCE_TOP | RADEON_SCLK_FORCE_SE |
 488                               RADEON_SCLK_FORCE_IDCT | RADEON_SCLK_FORCE_RE |
 489                               RADEON_SCLK_FORCE_PB | RADEON_SCLK_FORCE_TAM |
 490                               RADEON_SCLK_FORCE_TDM);
 491                         WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 492                 } else if (ASIC_IS_R300(rdev)) {
 493                         if ((rdev->family == CHIP_RS400) ||
 494                             (rdev->family == CHIP_RS480)) {
 495                                 tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 496                                 tmp &=
 497                                     ~(RADEON_SCLK_FORCE_DISP2 |
 498                                       RADEON_SCLK_FORCE_CP |
 499                                       RADEON_SCLK_FORCE_HDP |
 500                                       RADEON_SCLK_FORCE_DISP1 |
 501                                       RADEON_SCLK_FORCE_TOP |
 502                                       RADEON_SCLK_FORCE_E2 | R300_SCLK_FORCE_VAP
 503                                       | RADEON_SCLK_FORCE_IDCT |
 504                                       RADEON_SCLK_FORCE_VIP | R300_SCLK_FORCE_SR
 505                                       | R300_SCLK_FORCE_PX | R300_SCLK_FORCE_TX
 506                                       | R300_SCLK_FORCE_US |
 507                                       RADEON_SCLK_FORCE_TV_SCLK |
 508                                       R300_SCLK_FORCE_SU |
 509                                       RADEON_SCLK_FORCE_OV0);
 510                                 tmp |= RADEON_DYN_STOP_LAT_MASK;
 511                                 tmp |=
 512                                     RADEON_SCLK_FORCE_TOP |
 513                                     RADEON_SCLK_FORCE_VIP;
 514                                 WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 515
 516                                 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL);
 517                                 tmp &= ~RADEON_SCLK_MORE_FORCEON;
 518                                 tmp |= RADEON_SCLK_MORE_MAX_DYN_STOP_LAT;
 519                                 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp);
 520
 521                                 tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
 522                                 tmp |= (RADEON_PIXCLK_ALWAYS_ONb |
 523                                         RADEON_PIXCLK_DAC_ALWAYS_ONb);
 524                                 WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
 525
 526                                 tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL);
 527                                 tmp |= (RADEON_PIX2CLK_ALWAYS_ONb |
 528                                         RADEON_PIX2CLK_DAC_ALWAYS_ONb |
 529                                         RADEON_DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb |
 530                                         R300_DVOCLK_ALWAYS_ONb |
 531                                         RADEON_PIXCLK_BLEND_ALWAYS_ONb |
 532                                         RADEON_PIXCLK_GV_ALWAYS_ONb |
 533                                         R300_PIXCLK_DVO_ALWAYS_ONb |
 534                                         RADEON_PIXCLK_LVDS_ALWAYS_ONb |
 535                                         RADEON_PIXCLK_TMDS_ALWAYS_ONb |
 536                                         R300_PIXCLK_TRANS_ALWAYS_ONb |
 537                                         R300_PIXCLK_TVO_ALWAYS_ONb |
 538                                         R300_P2G2CLK_ALWAYS_ONb |
 539                                         R300_P2G2CLK_DAC_ALWAYS_ONb);
 540                                 WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
 541                         } else if (rdev->family >= CHIP_RV350) {
 542                                 tmp = RREG32_PLL(R300_SCLK_CNTL2);
 543                                 tmp &= ~(R300_SCLK_FORCE_TCL |
 544                                          R300_SCLK_FORCE_GA |
 545                                          R300_SCLK_FORCE_CBA);
 546                                 tmp |= (R300_SCLK_TCL_MAX_DYN_STOP_LAT |
 547                                         R300_SCLK_GA_MAX_DYN_STOP_LAT |
 548                                         R300_SCLK_CBA_MAX_DYN_STOP_LAT);
 549                                 WREG32_PLL(R300_SCLK_CNTL2, tmp);
 550
 551                                 tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 552                                 tmp &=
 553                                     ~(RADEON_SCLK_FORCE_DISP2 |
 554                                       RADEON_SCLK_FORCE_CP |
 555                                       RADEON_SCLK_FORCE_HDP |
 556                                       RADEON_SCLK_FORCE_DISP1 |
 557                                       RADEON_SCLK_FORCE_TOP |
 558                                       RADEON_SCLK_FORCE_E2 | R300_SCLK_FORCE_VAP
 559                                       | RADEON_SCLK_FORCE_IDCT |
 560                                       RADEON_SCLK_FORCE_VIP | R300_SCLK_FORCE_SR
 561                                       | R300_SCLK_FORCE_PX | R300_SCLK_FORCE_TX
 562                                       | R300_SCLK_FORCE_US |
 563                                       RADEON_SCLK_FORCE_TV_SCLK |
 564                                       R300_SCLK_FORCE_SU |
 565                                       RADEON_SCLK_FORCE_OV0);
 566                                 tmp |= RADEON_DYN_STOP_LAT_MASK;
 567                                 WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 568
 569                                 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL);
 570                                 tmp &= ~RADEON_SCLK_MORE_FORCEON;
 571                                 tmp |= RADEON_SCLK_MORE_MAX_DYN_STOP_LAT;
 572                                 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp);
 573
 574                                 tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
 575                                 tmp |= (RADEON_PIXCLK_ALWAYS_ONb |
 576                                         RADEON_PIXCLK_DAC_ALWAYS_ONb);
 577                                 WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
 578
 579                                 tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL);
 580                                 tmp |= (RADEON_PIX2CLK_ALWAYS_ONb |
 581                                         RADEON_PIX2CLK_DAC_ALWAYS_ONb |
 582                                         RADEON_DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb |
 583                                         R300_DVOCLK_ALWAYS_ONb |
 584                                         RADEON_PIXCLK_BLEND_ALWAYS_ONb |
 585                                         RADEON_PIXCLK_GV_ALWAYS_ONb |
 586                                         R300_PIXCLK_DVO_ALWAYS_ONb |
 587                                         RADEON_PIXCLK_LVDS_ALWAYS_ONb |
 588                                         RADEON_PIXCLK_TMDS_ALWAYS_ONb |
 589                                         R300_PIXCLK_TRANS_ALWAYS_ONb |
 590                                         R300_PIXCLK_TVO_ALWAYS_ONb |
 591                                         R300_P2G2CLK_ALWAYS_ONb |
 592                                         R300_P2G2CLK_DAC_ALWAYS_ONb);
 593                                 WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
 594
 595                                 tmp = RREG32_PLL(RADEON_MCLK_MISC);
 596                                 tmp |= (RADEON_MC_MCLK_DYN_ENABLE |
 597                                         RADEON_IO_MCLK_DYN_ENABLE);
 598                                 WREG32_PLL(RADEON_MCLK_MISC, tmp);
 599
 600                                 tmp = RREG32_PLL(RADEON_MCLK_CNTL);
 601                                 tmp |= (RADEON_FORCEON_MCLKA |
 602                                         RADEON_FORCEON_MCLKB);
 603
 604                                 tmp &= ~(RADEON_FORCEON_YCLKA |
 605                                          RADEON_FORCEON_YCLKB |
 606                                          RADEON_FORCEON_MC);
 607
 608                                 /* Some releases of vbios have set DISABLE_MC_MCLKA
 609                                    and DISABLE_MC_MCLKB bits in the vbios table.  Setting these
 610                                    bits will cause H/W hang when reading video memory with dynamic clocking
 611                                    enabled. */
 612                                 if ((tmp & R300_DISABLE_MC_MCLKA) &&
 613                                     (tmp & R300_DISABLE_MC_MCLKB)) {
 614                                         /* If both bits are set, then check the active channels */
 615                                         tmp = RREG32_PLL(RADEON_MCLK_CNTL);
 616                                         if (rdev->mc.vram_width == 64) {
 617                                                 if (RREG32(RADEON_MEM_CNTL) &
 618                                                     R300_MEM_USE_CD_CH_ONLY)
 619                                                         tmp &=
 620                                                             ~R300_DISABLE_MC_MCLKB;
 621                                                 else
 622                                                         tmp &=
 623                                                             ~R300_DISABLE_MC_MCLKA;
 624                                         } else {
 625                                                 tmp &= ~(R300_DISABLE_MC_MCLKA |
 626                                                          R300_DISABLE_MC_MCLKB);
 627                                         }
 628                                 }
 629
 630                                 WREG32_PLL(RADEON_MCLK_CNTL, tmp);
 631                         } else {
 632                                 tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 633                                 tmp &= ~(R300_SCLK_FORCE_VAP);
 634                                 tmp |= RADEON_SCLK_FORCE_CP;
 635                                 WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 636                                 mdelay(15);
 637
 638                                 tmp = RREG32_PLL(R300_SCLK_CNTL2);
 639                                 tmp &= ~(R300_SCLK_FORCE_TCL |
 640                                          R300_SCLK_FORCE_GA |
 641                                          R300_SCLK_FORCE_CBA);
 642                                 WREG32_PLL(R300_SCLK_CNTL2, tmp);
 643                         }
 644                 } else {
 645                         tmp = RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
 646
 647                         tmp &= ~(RADEON_ACTIVE_HILO_LAT_MASK |
 648                                  RADEON_DISP_DYN_STOP_LAT_MASK |
 649                                  RADEON_DYN_STOP_MODE_MASK);
 650
 651                         tmp |= (RADEON_ENGIN_DYNCLK_MODE |
 652                                 (0x01 << RADEON_ACTIVE_HILO_LAT_SHIFT));
 653                         WREG32_PLL(RADEON_CLK_PWRMGT_CNTL, tmp);
 654                         mdelay(15);
 655
 656                         tmp = RREG32_PLL(RADEON_CLK_PIN_CNTL);
 657                         tmp |= RADEON_SCLK_DYN_START_CNTL;
 658                         WREG32_PLL(RADEON_CLK_PIN_CNTL, tmp);
 659                         mdelay(15);
 660
 661                         /* When DRI is enabled, setting DYN_STOP_LAT to zero can cause some R200
 662                            to lockup randomly, leave them as set by BIOS.
 663                          */
 664                         tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 665                         /*tmp &= RADEON_SCLK_SRC_SEL_MASK; */
 666                         tmp &= ~RADEON_SCLK_FORCEON_MASK;
 667
 668                         /*RAGE_6::A11 A12 A12N1 A13, RV250::A11 A12, R300 */
 669                         if (((rdev->family == CHIP_RV250) &&
 670                              ((RREG32(RADEON_CONFIG_CNTL) &
 671                                RADEON_CFG_ATI_REV_ID_MASK) <
 672                               RADEON_CFG_ATI_REV_A13))
 673                             || ((rdev->family == CHIP_RV100)
 674                                 &&
 675                                 ((RREG32(RADEON_CONFIG_CNTL) &
 676                                   RADEON_CFG_ATI_REV_ID_MASK) <=
 677                                  RADEON_CFG_ATI_REV_A13))) {
 678                                 tmp |= RADEON_SCLK_FORCE_CP;
 679                                 tmp |= RADEON_SCLK_FORCE_VIP;
 680                         }
 681
 682                         WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 683
 684                         if ((rdev->family == CHIP_RV200) ||
 685                             (rdev->family == CHIP_RV250) ||
 686                             (rdev->family == CHIP_RV280)) {
 687                                 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL);
 688                                 tmp &= ~RADEON_SCLK_MORE_FORCEON;
 689
 690                                 /* RV200::A11 A12 RV250::A11 A12 */
 691                                 if (((rdev->family == CHIP_RV200) ||
 692                                      (rdev->family == CHIP_RV250)) &&
 693                                     ((RREG32(RADEON_CONFIG_CNTL) &
 694                                       RADEON_CFG_ATI_REV_ID_MASK) <
 695                                      RADEON_CFG_ATI_REV_A13)) {
 696                                         tmp |= RADEON_SCLK_MORE_FORCEON;
 697                                 }
 698                                 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp);
 699                                 mdelay(15);
 700                         }
 701
 702                         /* RV200::A11 A12, RV250::A11 A12 */
 703                         if (((rdev->family == CHIP_RV200) ||
 704                              (rdev->family == CHIP_RV250)) &&
 705                             ((RREG32(RADEON_CONFIG_CNTL) &
 706                               RADEON_CFG_ATI_REV_ID_MASK) <
 707                              RADEON_CFG_ATI_REV_A13)) {
 708                                 tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
 709                                 tmp |= RADEON_TCL_BYPASS_DISABLE;
 710                                 WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
 711                         }
 712                         mdelay(15);
 713
 714                         /*enable dynamic mode for display clocks (PIXCLK and PIX2CLK) */
 715                         tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL);
 716                         tmp |= (RADEON_PIX2CLK_ALWAYS_ONb |
 717                                 RADEON_PIX2CLK_DAC_ALWAYS_ONb |
 718                                 RADEON_PIXCLK_BLEND_ALWAYS_ONb |
 719                                 RADEON_PIXCLK_GV_ALWAYS_ONb |
 720                                 RADEON_PIXCLK_DIG_TMDS_ALWAYS_ONb |
 721                                 RADEON_PIXCLK_LVDS_ALWAYS_ONb |
 722                                 RADEON_PIXCLK_TMDS_ALWAYS_ONb);
 723
 724                         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
 725                         mdelay(15);
 726
 727                         tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
 728                         tmp |= (RADEON_PIXCLK_ALWAYS_ONb |
 729                                 RADEON_PIXCLK_DAC_ALWAYS_ONb);
 730
 731                         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
 732                         mdelay(15);
 733                 }
 734         } else {
 735                 /* Turn everything OFF (ForceON to everything) */
 736                 if (rdev->flags & RADEON_SINGLE_CRTC) {
 737                         tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 738                         tmp |= (RADEON_SCLK_FORCE_CP | RADEON_SCLK_FORCE_HDP |
 739                                 RADEON_SCLK_FORCE_DISP1 | RADEON_SCLK_FORCE_TOP
 740                                 | RADEON_SCLK_FORCE_E2 | RADEON_SCLK_FORCE_SE |
 741                                 RADEON_SCLK_FORCE_IDCT | RADEON_SCLK_FORCE_VIP |
 742                                 RADEON_SCLK_FORCE_RE | RADEON_SCLK_FORCE_PB |
 743                                 RADEON_SCLK_FORCE_TAM | RADEON_SCLK_FORCE_TDM |
 744                                 RADEON_SCLK_FORCE_RB);
 745                         WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 746                 } else if ((rdev->family == CHIP_RS400) ||
 747                            (rdev->family == CHIP_RS480)) {
 748                         tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 749                         tmp |= (RADEON_SCLK_FORCE_DISP2 | RADEON_SCLK_FORCE_CP |
 750                                 RADEON_SCLK_FORCE_HDP | RADEON_SCLK_FORCE_DISP1
 751                                 | RADEON_SCLK_FORCE_TOP | RADEON_SCLK_FORCE_E2 |
 752                                 R300_SCLK_FORCE_VAP | RADEON_SCLK_FORCE_IDCT |
 753                                 RADEON_SCLK_FORCE_VIP | R300_SCLK_FORCE_SR |
 754                                 R300_SCLK_FORCE_PX | R300_SCLK_FORCE_TX |
 755                                 R300_SCLK_FORCE_US | RADEON_SCLK_FORCE_TV_SCLK |
 756                                 R300_SCLK_FORCE_SU | RADEON_SCLK_FORCE_OV0);
 757                         WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 758
 759                         tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL);
 760                         tmp |= RADEON_SCLK_MORE_FORCEON;
 761                         WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp);
 762
 763                         tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
 764                         tmp &= ~(RADEON_PIXCLK_ALWAYS_ONb |
 765                                  RADEON_PIXCLK_DAC_ALWAYS_ONb |
 766                                  R300_DISP_DAC_PIXCLK_DAC_BLANK_OFF);
 767                         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
 768
 769                         tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL);
 770                         tmp &= ~(RADEON_PIX2CLK_ALWAYS_ONb |
 771                                  RADEON_PIX2CLK_DAC_ALWAYS_ONb |
 772                                  RADEON_DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb |
 773                                  R300_DVOCLK_ALWAYS_ONb |
 774                                  RADEON_PIXCLK_BLEND_ALWAYS_ONb |
 775                                  RADEON_PIXCLK_GV_ALWAYS_ONb |
 776                                  R300_PIXCLK_DVO_ALWAYS_ONb |
 777                                  RADEON_PIXCLK_LVDS_ALWAYS_ONb |
 778                                  RADEON_PIXCLK_TMDS_ALWAYS_ONb |
 779                                  R300_PIXCLK_TRANS_ALWAYS_ONb |
 780                                  R300_PIXCLK_TVO_ALWAYS_ONb |
 781                                  R300_P2G2CLK_ALWAYS_ONb |
 782                                  R300_P2G2CLK_DAC_ALWAYS_ONb |
 783                                  R300_DISP_DAC_PIXCLK_DAC2_BLANK_OFF);
 784                         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
 785                 } else if (rdev->family >= CHIP_RV350) {
 786                         /* for RV350/M10, no delays are required. */
 787                         tmp = RREG32_PLL(R300_SCLK_CNTL2);
 788                         tmp |= (R300_SCLK_FORCE_TCL |
 789                                 R300_SCLK_FORCE_GA | R300_SCLK_FORCE_CBA);
 790                         WREG32_PLL(R300_SCLK_CNTL2, tmp);
 791
 792                         tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 793                         tmp |= (RADEON_SCLK_FORCE_DISP2 | RADEON_SCLK_FORCE_CP |
 794                                 RADEON_SCLK_FORCE_HDP | RADEON_SCLK_FORCE_DISP1
 795                                 | RADEON_SCLK_FORCE_TOP | RADEON_SCLK_FORCE_E2 |
 796                                 R300_SCLK_FORCE_VAP | RADEON_SCLK_FORCE_IDCT |
 797                                 RADEON_SCLK_FORCE_VIP | R300_SCLK_FORCE_SR |
 798                                 R300_SCLK_FORCE_PX | R300_SCLK_FORCE_TX |
 799                                 R300_SCLK_FORCE_US | RADEON_SCLK_FORCE_TV_SCLK |
 800                                 R300_SCLK_FORCE_SU | RADEON_SCLK_FORCE_OV0);
 801                         WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 802
 803                         tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL);
 804                         tmp |= RADEON_SCLK_MORE_FORCEON;
 805                         WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp);
 806
 807                         tmp = RREG32_PLL(RADEON_MCLK_CNTL);
 808                         tmp |= (RADEON_FORCEON_MCLKA |
 809                                 RADEON_FORCEON_MCLKB |
 810                                 RADEON_FORCEON_YCLKA |
 811                                 RADEON_FORCEON_YCLKB | RADEON_FORCEON_MC);
 812                         WREG32_PLL(RADEON_MCLK_CNTL, tmp);
 813
 814                         tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
 815                         tmp &= ~(RADEON_PIXCLK_ALWAYS_ONb |
 816                                  RADEON_PIXCLK_DAC_ALWAYS_ONb |
 817                                  R300_DISP_DAC_PIXCLK_DAC_BLANK_OFF);
 818                         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
 819
 820                         tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL);
 821                         tmp &= ~(RADEON_PIX2CLK_ALWAYS_ONb |
 822                                  RADEON_PIX2CLK_DAC_ALWAYS_ONb |
 823                                  RADEON_DISP_TVOUT_PIXCLK_TV_ALWAYS_ONb |
 824                                  R300_DVOCLK_ALWAYS_ONb |
 825                                  RADEON_PIXCLK_BLEND_ALWAYS_ONb |
 826                                  RADEON_PIXCLK_GV_ALWAYS_ONb |
 827                                  R300_PIXCLK_DVO_ALWAYS_ONb |
 828                                  RADEON_PIXCLK_LVDS_ALWAYS_ONb |
 829                                  RADEON_PIXCLK_TMDS_ALWAYS_ONb |
 830                                  R300_PIXCLK_TRANS_ALWAYS_ONb |
 831                                  R300_PIXCLK_TVO_ALWAYS_ONb |
 832                                  R300_P2G2CLK_ALWAYS_ONb |
 833                                  R300_P2G2CLK_DAC_ALWAYS_ONb |
 834                                  R300_DISP_DAC_PIXCLK_DAC2_BLANK_OFF);
 835                         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
 836                 } else {
 837                         tmp = RREG32_PLL(RADEON_SCLK_CNTL);
 838                         tmp |= (RADEON_SCLK_FORCE_CP | RADEON_SCLK_FORCE_E2);
 839                         tmp |= RADEON_SCLK_FORCE_SE;
 840
 841                         if (rdev->flags & RADEON_SINGLE_CRTC) {
 842                                 tmp |= (RADEON_SCLK_FORCE_RB |
 843                                         RADEON_SCLK_FORCE_TDM |
 844                                         RADEON_SCLK_FORCE_TAM |
 845                                         RADEON_SCLK_FORCE_PB |
 846                                         RADEON_SCLK_FORCE_RE |
 847                                         RADEON_SCLK_FORCE_VIP |
 848                                         RADEON_SCLK_FORCE_IDCT |
 849                                         RADEON_SCLK_FORCE_TOP |
 850                                         RADEON_SCLK_FORCE_DISP1 |
 851                                         RADEON_SCLK_FORCE_DISP2 |
 852                                         RADEON_SCLK_FORCE_HDP);
 853                         } else if ((rdev->family == CHIP_R300) ||
 854                                    (rdev->family == CHIP_R350)) {
 855                                 tmp |= (RADEON_SCLK_FORCE_HDP |
 856                                         RADEON_SCLK_FORCE_DISP1 |
 857                                         RADEON_SCLK_FORCE_DISP2 |
 858                                         RADEON_SCLK_FORCE_TOP |
 859                                         RADEON_SCLK_FORCE_IDCT |
 860                                         RADEON_SCLK_FORCE_VIP);
 861                         }
 862                         WREG32_PLL(RADEON_SCLK_CNTL, tmp);
 863
 864                         mdelay(16);
 865
 866                         if ((rdev->family == CHIP_R300) ||
 867                             (rdev->family == CHIP_R350)) {
 868                                 tmp = RREG32_PLL(R300_SCLK_CNTL2);
 869                                 tmp |= (R300_SCLK_FORCE_TCL |
 870                                         R300_SCLK_FORCE_GA |
 871                                         R300_SCLK_FORCE_CBA);
 872                                 WREG32_PLL(R300_SCLK_CNTL2, tmp);
 873                                 mdelay(16);
 874                         }
 875
 876                         if (rdev->flags & RADEON_IS_IGP) {
 877                                 tmp = RREG32_PLL(RADEON_MCLK_CNTL);
 878                                 tmp &= ~(RADEON_FORCEON_MCLKA |
 879                                          RADEON_FORCEON_YCLKA);
 880                                 WREG32_PLL(RADEON_MCLK_CNTL, tmp);
 881                                 mdelay(16);
 882                         }
 883
 884                         if ((rdev->family == CHIP_RV200) ||
 885                             (rdev->family == CHIP_RV250) ||
 886                             (rdev->family == CHIP_RV280)) {
 887                                 tmp = RREG32_PLL(RADEON_SCLK_MORE_CNTL);
 888                                 tmp |= RADEON_SCLK_MORE_FORCEON;
 889                                 WREG32_PLL(RADEON_SCLK_MORE_CNTL, tmp);
 890                                 mdelay(16);
 891                         }
 892
 893                         tmp = RREG32_PLL(RADEON_PIXCLKS_CNTL);
 894                         tmp &= ~(RADEON_PIX2CLK_ALWAYS_ONb |
 895                                  RADEON_PIX2CLK_DAC_ALWAYS_ONb |
 896                                  RADEON_PIXCLK_BLEND_ALWAYS_ONb |
 897                                  RADEON_PIXCLK_GV_ALWAYS_ONb |
 898                                  RADEON_PIXCLK_DIG_TMDS_ALWAYS_ONb |
 899                                  RADEON_PIXCLK_LVDS_ALWAYS_ONb |
 900                                  RADEON_PIXCLK_TMDS_ALWAYS_ONb);
 901
 902                         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
 903                         mdelay(16);
 904
 905                         tmp = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
 906                         tmp &= ~(RADEON_PIXCLK_ALWAYS_ONb |
 907                                  RADEON_PIXCLK_DAC_ALWAYS_ONb);
 908                         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
 909                 }
 910         }
 911 }
 912