Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2008 (c) Intel Corporation |
| 4 | * Jesse Barnes <jbarnes@virtuousgeek.org> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
| 11 | * permit persons to whom the Software is furnished to do so, subject to |
| 12 | * the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial portions |
| 16 | * of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | #include "drmP.h" |
| 28 | #include "drm.h" |
| 29 | #include "i915_drm.h" |
Eric Anholt | f0217c4 | 2009-12-01 11:56:30 -0800 | [diff] [blame] | 30 | #include "intel_drv.h" |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 31 | |
| 32 | static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) |
| 33 | { |
| 34 | struct drm_i915_private *dev_priv = dev->dev_private; |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 35 | u32 dpll_reg; |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 36 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 37 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 38 | dpll_reg = (pipe == PIPE_A) ? PCH_DPLL_A: PCH_DPLL_B; |
| 39 | } else { |
| 40 | dpll_reg = (pipe == PIPE_A) ? DPLL_A: DPLL_B; |
| 41 | } |
| 42 | |
| 43 | return (I915_READ(dpll_reg) & DPLL_VCO_ENABLE); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | static void i915_save_palette(struct drm_device *dev, enum pipe pipe) |
| 47 | { |
| 48 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 49 | unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B); |
| 50 | u32 *array; |
| 51 | int i; |
| 52 | |
| 53 | if (!i915_pipe_enabled(dev, pipe)) |
| 54 | return; |
| 55 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 56 | if (HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 57 | reg = (pipe == PIPE_A) ? LGC_PALETTE_A : LGC_PALETTE_B; |
| 58 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 59 | if (pipe == PIPE_A) |
| 60 | array = dev_priv->save_palette_a; |
| 61 | else |
| 62 | array = dev_priv->save_palette_b; |
| 63 | |
| 64 | for(i = 0; i < 256; i++) |
| 65 | array[i] = I915_READ(reg + (i << 2)); |
| 66 | } |
| 67 | |
| 68 | static void i915_restore_palette(struct drm_device *dev, enum pipe pipe) |
| 69 | { |
| 70 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 71 | unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B); |
| 72 | u32 *array; |
| 73 | int i; |
| 74 | |
| 75 | if (!i915_pipe_enabled(dev, pipe)) |
| 76 | return; |
| 77 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 78 | if (HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 79 | reg = (pipe == PIPE_A) ? LGC_PALETTE_A : LGC_PALETTE_B; |
| 80 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 81 | if (pipe == PIPE_A) |
| 82 | array = dev_priv->save_palette_a; |
| 83 | else |
| 84 | array = dev_priv->save_palette_b; |
| 85 | |
| 86 | for(i = 0; i < 256; i++) |
| 87 | I915_WRITE(reg + (i << 2), array[i]); |
| 88 | } |
| 89 | |
| 90 | static u8 i915_read_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg) |
| 91 | { |
| 92 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 93 | |
| 94 | I915_WRITE8(index_port, reg); |
| 95 | return I915_READ8(data_port); |
| 96 | } |
| 97 | |
| 98 | static u8 i915_read_ar(struct drm_device *dev, u16 st01, u8 reg, u16 palette_enable) |
| 99 | { |
| 100 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 101 | |
| 102 | I915_READ8(st01); |
| 103 | I915_WRITE8(VGA_AR_INDEX, palette_enable | reg); |
| 104 | return I915_READ8(VGA_AR_DATA_READ); |
| 105 | } |
| 106 | |
| 107 | static void i915_write_ar(struct drm_device *dev, u16 st01, u8 reg, u8 val, u16 palette_enable) |
| 108 | { |
| 109 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 110 | |
| 111 | I915_READ8(st01); |
| 112 | I915_WRITE8(VGA_AR_INDEX, palette_enable | reg); |
| 113 | I915_WRITE8(VGA_AR_DATA_WRITE, val); |
| 114 | } |
| 115 | |
| 116 | static void i915_write_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg, u8 val) |
| 117 | { |
| 118 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 119 | |
| 120 | I915_WRITE8(index_port, reg); |
| 121 | I915_WRITE8(data_port, val); |
| 122 | } |
| 123 | |
| 124 | static void i915_save_vga(struct drm_device *dev) |
| 125 | { |
| 126 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 127 | int i; |
| 128 | u16 cr_index, cr_data, st01; |
| 129 | |
| 130 | /* VGA color palette registers */ |
| 131 | dev_priv->saveDACMASK = I915_READ8(VGA_DACMASK); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 132 | |
| 133 | /* MSR bits */ |
| 134 | dev_priv->saveMSR = I915_READ8(VGA_MSR_READ); |
| 135 | if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) { |
| 136 | cr_index = VGA_CR_INDEX_CGA; |
| 137 | cr_data = VGA_CR_DATA_CGA; |
| 138 | st01 = VGA_ST01_CGA; |
| 139 | } else { |
| 140 | cr_index = VGA_CR_INDEX_MDA; |
| 141 | cr_data = VGA_CR_DATA_MDA; |
| 142 | st01 = VGA_ST01_MDA; |
| 143 | } |
| 144 | |
| 145 | /* CRT controller regs */ |
| 146 | i915_write_indexed(dev, cr_index, cr_data, 0x11, |
| 147 | i915_read_indexed(dev, cr_index, cr_data, 0x11) & |
| 148 | (~0x80)); |
| 149 | for (i = 0; i <= 0x24; i++) |
| 150 | dev_priv->saveCR[i] = |
| 151 | i915_read_indexed(dev, cr_index, cr_data, i); |
| 152 | /* Make sure we don't turn off CR group 0 writes */ |
| 153 | dev_priv->saveCR[0x11] &= ~0x80; |
| 154 | |
| 155 | /* Attribute controller registers */ |
| 156 | I915_READ8(st01); |
| 157 | dev_priv->saveAR_INDEX = I915_READ8(VGA_AR_INDEX); |
| 158 | for (i = 0; i <= 0x14; i++) |
| 159 | dev_priv->saveAR[i] = i915_read_ar(dev, st01, i, 0); |
| 160 | I915_READ8(st01); |
| 161 | I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX); |
| 162 | I915_READ8(st01); |
| 163 | |
| 164 | /* Graphics controller registers */ |
| 165 | for (i = 0; i < 9; i++) |
| 166 | dev_priv->saveGR[i] = |
| 167 | i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i); |
| 168 | |
| 169 | dev_priv->saveGR[0x10] = |
| 170 | i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10); |
| 171 | dev_priv->saveGR[0x11] = |
| 172 | i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11); |
| 173 | dev_priv->saveGR[0x18] = |
| 174 | i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18); |
| 175 | |
| 176 | /* Sequencer registers */ |
| 177 | for (i = 0; i < 8; i++) |
| 178 | dev_priv->saveSR[i] = |
| 179 | i915_read_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i); |
| 180 | } |
| 181 | |
| 182 | static void i915_restore_vga(struct drm_device *dev) |
| 183 | { |
| 184 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 185 | int i; |
| 186 | u16 cr_index, cr_data, st01; |
| 187 | |
| 188 | /* MSR bits */ |
| 189 | I915_WRITE8(VGA_MSR_WRITE, dev_priv->saveMSR); |
| 190 | if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) { |
| 191 | cr_index = VGA_CR_INDEX_CGA; |
| 192 | cr_data = VGA_CR_DATA_CGA; |
| 193 | st01 = VGA_ST01_CGA; |
| 194 | } else { |
| 195 | cr_index = VGA_CR_INDEX_MDA; |
| 196 | cr_data = VGA_CR_DATA_MDA; |
| 197 | st01 = VGA_ST01_MDA; |
| 198 | } |
| 199 | |
| 200 | /* Sequencer registers, don't write SR07 */ |
| 201 | for (i = 0; i < 7; i++) |
| 202 | i915_write_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i, |
| 203 | dev_priv->saveSR[i]); |
| 204 | |
| 205 | /* CRT controller regs */ |
| 206 | /* Enable CR group 0 writes */ |
| 207 | i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]); |
| 208 | for (i = 0; i <= 0x24; i++) |
| 209 | i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->saveCR[i]); |
| 210 | |
| 211 | /* Graphics controller regs */ |
| 212 | for (i = 0; i < 9; i++) |
| 213 | i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i, |
| 214 | dev_priv->saveGR[i]); |
| 215 | |
| 216 | i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10, |
| 217 | dev_priv->saveGR[0x10]); |
| 218 | i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11, |
| 219 | dev_priv->saveGR[0x11]); |
| 220 | i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18, |
| 221 | dev_priv->saveGR[0x18]); |
| 222 | |
| 223 | /* Attribute controller registers */ |
| 224 | I915_READ8(st01); /* switch back to index mode */ |
| 225 | for (i = 0; i <= 0x14; i++) |
| 226 | i915_write_ar(dev, st01, i, dev_priv->saveAR[i], 0); |
| 227 | I915_READ8(st01); /* switch back to index mode */ |
| 228 | I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX | 0x20); |
| 229 | I915_READ8(st01); |
| 230 | |
| 231 | /* VGA color palette registers */ |
| 232 | I915_WRITE8(VGA_DACMASK, dev_priv->saveDACMASK); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 233 | } |
| 234 | |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 235 | static void i915_save_modeset_reg(struct drm_device *dev) |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 236 | { |
| 237 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 312817a | 2010-11-22 11:50:11 +0000 | [diff] [blame] | 238 | int i; |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 239 | |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 240 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
| 241 | return; |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 242 | |
Chris Wilson | f3c91c1 | 2010-11-21 09:56:00 +0000 | [diff] [blame] | 243 | /* Cursor state */ |
| 244 | dev_priv->saveCURACNTR = I915_READ(CURACNTR); |
| 245 | dev_priv->saveCURAPOS = I915_READ(CURAPOS); |
| 246 | dev_priv->saveCURABASE = I915_READ(CURABASE); |
| 247 | dev_priv->saveCURBCNTR = I915_READ(CURBCNTR); |
| 248 | dev_priv->saveCURBPOS = I915_READ(CURBPOS); |
| 249 | dev_priv->saveCURBBASE = I915_READ(CURBBASE); |
| 250 | if (IS_GEN2(dev)) |
| 251 | dev_priv->saveCURSIZE = I915_READ(CURSIZE); |
| 252 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 253 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 254 | dev_priv->savePCH_DREF_CONTROL = I915_READ(PCH_DREF_CONTROL); |
| 255 | dev_priv->saveDISP_ARB_CTL = I915_READ(DISP_ARB_CTL); |
| 256 | } |
| 257 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 258 | /* Pipe & plane A info */ |
| 259 | dev_priv->savePIPEACONF = I915_READ(PIPEACONF); |
| 260 | dev_priv->savePIPEASRC = I915_READ(PIPEASRC); |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 261 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 262 | dev_priv->saveFPA0 = I915_READ(PCH_FPA0); |
| 263 | dev_priv->saveFPA1 = I915_READ(PCH_FPA1); |
| 264 | dev_priv->saveDPLL_A = I915_READ(PCH_DPLL_A); |
| 265 | } else { |
| 266 | dev_priv->saveFPA0 = I915_READ(FPA0); |
| 267 | dev_priv->saveFPA1 = I915_READ(FPA1); |
| 268 | dev_priv->saveDPLL_A = I915_READ(DPLL_A); |
| 269 | } |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 270 | if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 271 | dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD); |
| 272 | dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A); |
| 273 | dev_priv->saveHBLANK_A = I915_READ(HBLANK_A); |
| 274 | dev_priv->saveHSYNC_A = I915_READ(HSYNC_A); |
| 275 | dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A); |
| 276 | dev_priv->saveVBLANK_A = I915_READ(VBLANK_A); |
| 277 | dev_priv->saveVSYNC_A = I915_READ(VSYNC_A); |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 278 | if (!HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 279 | dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); |
| 280 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 281 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 282 | dev_priv->savePIPEA_DATA_M1 = I915_READ(PIPEA_DATA_M1); |
| 283 | dev_priv->savePIPEA_DATA_N1 = I915_READ(PIPEA_DATA_N1); |
| 284 | dev_priv->savePIPEA_LINK_M1 = I915_READ(PIPEA_LINK_M1); |
| 285 | dev_priv->savePIPEA_LINK_N1 = I915_READ(PIPEA_LINK_N1); |
| 286 | |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 287 | dev_priv->saveFDI_TXA_CTL = I915_READ(FDI_TXA_CTL); |
| 288 | dev_priv->saveFDI_RXA_CTL = I915_READ(FDI_RXA_CTL); |
| 289 | |
| 290 | dev_priv->savePFA_CTL_1 = I915_READ(PFA_CTL_1); |
| 291 | dev_priv->savePFA_WIN_SZ = I915_READ(PFA_WIN_SZ); |
| 292 | dev_priv->savePFA_WIN_POS = I915_READ(PFA_WIN_POS); |
| 293 | |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 294 | dev_priv->saveTRANSACONF = I915_READ(TRANSACONF); |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 295 | dev_priv->saveTRANS_HTOTAL_A = I915_READ(TRANS_HTOTAL_A); |
| 296 | dev_priv->saveTRANS_HBLANK_A = I915_READ(TRANS_HBLANK_A); |
| 297 | dev_priv->saveTRANS_HSYNC_A = I915_READ(TRANS_HSYNC_A); |
| 298 | dev_priv->saveTRANS_VTOTAL_A = I915_READ(TRANS_VTOTAL_A); |
| 299 | dev_priv->saveTRANS_VBLANK_A = I915_READ(TRANS_VBLANK_A); |
| 300 | dev_priv->saveTRANS_VSYNC_A = I915_READ(TRANS_VSYNC_A); |
| 301 | } |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 302 | |
| 303 | dev_priv->saveDSPACNTR = I915_READ(DSPACNTR); |
| 304 | dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE); |
| 305 | dev_priv->saveDSPASIZE = I915_READ(DSPASIZE); |
| 306 | dev_priv->saveDSPAPOS = I915_READ(DSPAPOS); |
| 307 | dev_priv->saveDSPAADDR = I915_READ(DSPAADDR); |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 308 | if (INTEL_INFO(dev)->gen >= 4) { |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 309 | dev_priv->saveDSPASURF = I915_READ(DSPASURF); |
| 310 | dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF); |
| 311 | } |
| 312 | i915_save_palette(dev, PIPE_A); |
| 313 | dev_priv->savePIPEASTAT = I915_READ(PIPEASTAT); |
| 314 | |
| 315 | /* Pipe & plane B info */ |
| 316 | dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF); |
| 317 | dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC); |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 318 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 319 | dev_priv->saveFPB0 = I915_READ(PCH_FPB0); |
| 320 | dev_priv->saveFPB1 = I915_READ(PCH_FPB1); |
| 321 | dev_priv->saveDPLL_B = I915_READ(PCH_DPLL_B); |
| 322 | } else { |
| 323 | dev_priv->saveFPB0 = I915_READ(FPB0); |
| 324 | dev_priv->saveFPB1 = I915_READ(FPB1); |
| 325 | dev_priv->saveDPLL_B = I915_READ(DPLL_B); |
| 326 | } |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 327 | if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 328 | dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD); |
| 329 | dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B); |
| 330 | dev_priv->saveHBLANK_B = I915_READ(HBLANK_B); |
| 331 | dev_priv->saveHSYNC_B = I915_READ(HSYNC_B); |
| 332 | dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B); |
| 333 | dev_priv->saveVBLANK_B = I915_READ(VBLANK_B); |
| 334 | dev_priv->saveVSYNC_B = I915_READ(VSYNC_B); |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 335 | if (!HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 336 | dev_priv->saveBCLRPAT_B = I915_READ(BCLRPAT_B); |
| 337 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 338 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 339 | dev_priv->savePIPEB_DATA_M1 = I915_READ(PIPEB_DATA_M1); |
| 340 | dev_priv->savePIPEB_DATA_N1 = I915_READ(PIPEB_DATA_N1); |
| 341 | dev_priv->savePIPEB_LINK_M1 = I915_READ(PIPEB_LINK_M1); |
| 342 | dev_priv->savePIPEB_LINK_N1 = I915_READ(PIPEB_LINK_N1); |
| 343 | |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 344 | dev_priv->saveFDI_TXB_CTL = I915_READ(FDI_TXB_CTL); |
| 345 | dev_priv->saveFDI_RXB_CTL = I915_READ(FDI_RXB_CTL); |
| 346 | |
| 347 | dev_priv->savePFB_CTL_1 = I915_READ(PFB_CTL_1); |
| 348 | dev_priv->savePFB_WIN_SZ = I915_READ(PFB_WIN_SZ); |
| 349 | dev_priv->savePFB_WIN_POS = I915_READ(PFB_WIN_POS); |
| 350 | |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 351 | dev_priv->saveTRANSBCONF = I915_READ(TRANSBCONF); |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 352 | dev_priv->saveTRANS_HTOTAL_B = I915_READ(TRANS_HTOTAL_B); |
| 353 | dev_priv->saveTRANS_HBLANK_B = I915_READ(TRANS_HBLANK_B); |
| 354 | dev_priv->saveTRANS_HSYNC_B = I915_READ(TRANS_HSYNC_B); |
| 355 | dev_priv->saveTRANS_VTOTAL_B = I915_READ(TRANS_VTOTAL_B); |
| 356 | dev_priv->saveTRANS_VBLANK_B = I915_READ(TRANS_VBLANK_B); |
| 357 | dev_priv->saveTRANS_VSYNC_B = I915_READ(TRANS_VSYNC_B); |
| 358 | } |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 359 | |
| 360 | dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR); |
| 361 | dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE); |
| 362 | dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE); |
| 363 | dev_priv->saveDSPBPOS = I915_READ(DSPBPOS); |
| 364 | dev_priv->saveDSPBADDR = I915_READ(DSPBADDR); |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 365 | if (INTEL_INFO(dev)->gen >= 4) { |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 366 | dev_priv->saveDSPBSURF = I915_READ(DSPBSURF); |
| 367 | dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF); |
| 368 | } |
| 369 | i915_save_palette(dev, PIPE_B); |
| 370 | dev_priv->savePIPEBSTAT = I915_READ(PIPEBSTAT); |
Chris Wilson | 312817a | 2010-11-22 11:50:11 +0000 | [diff] [blame] | 371 | |
| 372 | /* Fences */ |
| 373 | switch (INTEL_INFO(dev)->gen) { |
| 374 | case 6: |
| 375 | for (i = 0; i < 16; i++) |
| 376 | dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8)); |
| 377 | break; |
| 378 | case 5: |
| 379 | case 4: |
| 380 | for (i = 0; i < 16; i++) |
| 381 | dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8)); |
| 382 | break; |
| 383 | case 3: |
| 384 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) |
| 385 | for (i = 0; i < 8; i++) |
| 386 | dev_priv->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4)); |
| 387 | case 2: |
| 388 | for (i = 0; i < 8; i++) |
| 389 | dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4)); |
| 390 | break; |
| 391 | } |
| 392 | |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 393 | return; |
| 394 | } |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 395 | |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 396 | static void i915_restore_modeset_reg(struct drm_device *dev) |
| 397 | { |
| 398 | struct drm_i915_private *dev_priv = dev->dev_private; |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 399 | int dpll_a_reg, fpa0_reg, fpa1_reg; |
| 400 | int dpll_b_reg, fpb0_reg, fpb1_reg; |
Chris Wilson | 312817a | 2010-11-22 11:50:11 +0000 | [diff] [blame] | 401 | int i; |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 402 | |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 403 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
| 404 | return; |
| 405 | |
Chris Wilson | 312817a | 2010-11-22 11:50:11 +0000 | [diff] [blame] | 406 | /* Fences */ |
| 407 | switch (INTEL_INFO(dev)->gen) { |
| 408 | case 6: |
| 409 | for (i = 0; i < 16; i++) |
| 410 | I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->saveFENCE[i]); |
| 411 | break; |
| 412 | case 5: |
| 413 | case 4: |
| 414 | for (i = 0; i < 16; i++) |
| 415 | I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]); |
| 416 | break; |
| 417 | case 3: |
| 418 | case 2: |
| 419 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) |
| 420 | for (i = 0; i < 8; i++) |
| 421 | I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]); |
| 422 | for (i = 0; i < 8; i++) |
| 423 | I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]); |
| 424 | break; |
| 425 | } |
| 426 | |
| 427 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 428 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 429 | dpll_a_reg = PCH_DPLL_A; |
| 430 | dpll_b_reg = PCH_DPLL_B; |
| 431 | fpa0_reg = PCH_FPA0; |
| 432 | fpb0_reg = PCH_FPB0; |
| 433 | fpa1_reg = PCH_FPA1; |
| 434 | fpb1_reg = PCH_FPB1; |
| 435 | } else { |
| 436 | dpll_a_reg = DPLL_A; |
| 437 | dpll_b_reg = DPLL_B; |
| 438 | fpa0_reg = FPA0; |
| 439 | fpb0_reg = FPB0; |
| 440 | fpa1_reg = FPA1; |
| 441 | fpb1_reg = FPB1; |
| 442 | } |
| 443 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 444 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 445 | I915_WRITE(PCH_DREF_CONTROL, dev_priv->savePCH_DREF_CONTROL); |
| 446 | I915_WRITE(DISP_ARB_CTL, dev_priv->saveDISP_ARB_CTL); |
| 447 | } |
| 448 | |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 449 | /* Pipe & plane A info */ |
| 450 | /* Prime the clock */ |
| 451 | if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 452 | I915_WRITE(dpll_a_reg, dev_priv->saveDPLL_A & |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 453 | ~DPLL_VCO_ENABLE); |
Chris Wilson | 72bcb26 | 2010-08-14 14:41:22 +0100 | [diff] [blame] | 454 | POSTING_READ(dpll_a_reg); |
| 455 | udelay(150); |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 456 | } |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 457 | I915_WRITE(fpa0_reg, dev_priv->saveFPA0); |
| 458 | I915_WRITE(fpa1_reg, dev_priv->saveFPA1); |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 459 | /* Actually enable it */ |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 460 | I915_WRITE(dpll_a_reg, dev_priv->saveDPLL_A); |
Chris Wilson | 72bcb26 | 2010-08-14 14:41:22 +0100 | [diff] [blame] | 461 | POSTING_READ(dpll_a_reg); |
| 462 | udelay(150); |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 463 | if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) { |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 464 | I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD); |
Chris Wilson | 72bcb26 | 2010-08-14 14:41:22 +0100 | [diff] [blame] | 465 | POSTING_READ(DPLL_A_MD); |
| 466 | } |
| 467 | udelay(150); |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 468 | |
| 469 | /* Restore mode */ |
| 470 | I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A); |
| 471 | I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A); |
| 472 | I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A); |
| 473 | I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A); |
| 474 | I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A); |
| 475 | I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A); |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 476 | if (!HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 477 | I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A); |
| 478 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 479 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 480 | I915_WRITE(PIPEA_DATA_M1, dev_priv->savePIPEA_DATA_M1); |
| 481 | I915_WRITE(PIPEA_DATA_N1, dev_priv->savePIPEA_DATA_N1); |
| 482 | I915_WRITE(PIPEA_LINK_M1, dev_priv->savePIPEA_LINK_M1); |
| 483 | I915_WRITE(PIPEA_LINK_N1, dev_priv->savePIPEA_LINK_N1); |
| 484 | |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 485 | I915_WRITE(FDI_RXA_CTL, dev_priv->saveFDI_RXA_CTL); |
| 486 | I915_WRITE(FDI_TXA_CTL, dev_priv->saveFDI_TXA_CTL); |
| 487 | |
| 488 | I915_WRITE(PFA_CTL_1, dev_priv->savePFA_CTL_1); |
| 489 | I915_WRITE(PFA_WIN_SZ, dev_priv->savePFA_WIN_SZ); |
| 490 | I915_WRITE(PFA_WIN_POS, dev_priv->savePFA_WIN_POS); |
| 491 | |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 492 | I915_WRITE(TRANSACONF, dev_priv->saveTRANSACONF); |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 493 | I915_WRITE(TRANS_HTOTAL_A, dev_priv->saveTRANS_HTOTAL_A); |
| 494 | I915_WRITE(TRANS_HBLANK_A, dev_priv->saveTRANS_HBLANK_A); |
| 495 | I915_WRITE(TRANS_HSYNC_A, dev_priv->saveTRANS_HSYNC_A); |
| 496 | I915_WRITE(TRANS_VTOTAL_A, dev_priv->saveTRANS_VTOTAL_A); |
| 497 | I915_WRITE(TRANS_VBLANK_A, dev_priv->saveTRANS_VBLANK_A); |
| 498 | I915_WRITE(TRANS_VSYNC_A, dev_priv->saveTRANS_VSYNC_A); |
| 499 | } |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 500 | |
| 501 | /* Restore plane info */ |
| 502 | I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE); |
| 503 | I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS); |
| 504 | I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC); |
| 505 | I915_WRITE(DSPAADDR, dev_priv->saveDSPAADDR); |
| 506 | I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE); |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 507 | if (INTEL_INFO(dev)->gen >= 4) { |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 508 | I915_WRITE(DSPASURF, dev_priv->saveDSPASURF); |
| 509 | I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF); |
| 510 | } |
| 511 | |
| 512 | I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF); |
| 513 | |
| 514 | i915_restore_palette(dev, PIPE_A); |
| 515 | /* Enable the plane */ |
| 516 | I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR); |
| 517 | I915_WRITE(DSPAADDR, I915_READ(DSPAADDR)); |
| 518 | |
| 519 | /* Pipe & plane B info */ |
| 520 | if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 521 | I915_WRITE(dpll_b_reg, dev_priv->saveDPLL_B & |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 522 | ~DPLL_VCO_ENABLE); |
Chris Wilson | 72bcb26 | 2010-08-14 14:41:22 +0100 | [diff] [blame] | 523 | POSTING_READ(dpll_b_reg); |
| 524 | udelay(150); |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 525 | } |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 526 | I915_WRITE(fpb0_reg, dev_priv->saveFPB0); |
| 527 | I915_WRITE(fpb1_reg, dev_priv->saveFPB1); |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 528 | /* Actually enable it */ |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 529 | I915_WRITE(dpll_b_reg, dev_priv->saveDPLL_B); |
Chris Wilson | 72bcb26 | 2010-08-14 14:41:22 +0100 | [diff] [blame] | 530 | POSTING_READ(dpll_b_reg); |
| 531 | udelay(150); |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 532 | if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) { |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 533 | I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD); |
Chris Wilson | 72bcb26 | 2010-08-14 14:41:22 +0100 | [diff] [blame] | 534 | POSTING_READ(DPLL_B_MD); |
| 535 | } |
| 536 | udelay(150); |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 537 | |
| 538 | /* Restore mode */ |
| 539 | I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B); |
| 540 | I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B); |
| 541 | I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B); |
| 542 | I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B); |
| 543 | I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B); |
| 544 | I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B); |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 545 | if (!HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 546 | I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B); |
| 547 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 548 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 549 | I915_WRITE(PIPEB_DATA_M1, dev_priv->savePIPEB_DATA_M1); |
| 550 | I915_WRITE(PIPEB_DATA_N1, dev_priv->savePIPEB_DATA_N1); |
| 551 | I915_WRITE(PIPEB_LINK_M1, dev_priv->savePIPEB_LINK_M1); |
| 552 | I915_WRITE(PIPEB_LINK_N1, dev_priv->savePIPEB_LINK_N1); |
| 553 | |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 554 | I915_WRITE(FDI_RXB_CTL, dev_priv->saveFDI_RXB_CTL); |
| 555 | I915_WRITE(FDI_TXB_CTL, dev_priv->saveFDI_TXB_CTL); |
| 556 | |
| 557 | I915_WRITE(PFB_CTL_1, dev_priv->savePFB_CTL_1); |
| 558 | I915_WRITE(PFB_WIN_SZ, dev_priv->savePFB_WIN_SZ); |
| 559 | I915_WRITE(PFB_WIN_POS, dev_priv->savePFB_WIN_POS); |
| 560 | |
Zhenyu Wang | 5586c8b | 2009-11-06 02:13:02 +0000 | [diff] [blame] | 561 | I915_WRITE(TRANSBCONF, dev_priv->saveTRANSBCONF); |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 562 | I915_WRITE(TRANS_HTOTAL_B, dev_priv->saveTRANS_HTOTAL_B); |
| 563 | I915_WRITE(TRANS_HBLANK_B, dev_priv->saveTRANS_HBLANK_B); |
| 564 | I915_WRITE(TRANS_HSYNC_B, dev_priv->saveTRANS_HSYNC_B); |
| 565 | I915_WRITE(TRANS_VTOTAL_B, dev_priv->saveTRANS_VTOTAL_B); |
| 566 | I915_WRITE(TRANS_VBLANK_B, dev_priv->saveTRANS_VBLANK_B); |
| 567 | I915_WRITE(TRANS_VSYNC_B, dev_priv->saveTRANS_VSYNC_B); |
| 568 | } |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 569 | |
| 570 | /* Restore plane info */ |
| 571 | I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE); |
| 572 | I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS); |
| 573 | I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC); |
| 574 | I915_WRITE(DSPBADDR, dev_priv->saveDSPBADDR); |
| 575 | I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE); |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 576 | if (INTEL_INFO(dev)->gen >= 4) { |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 577 | I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF); |
| 578 | I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF); |
| 579 | } |
| 580 | |
| 581 | I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF); |
| 582 | |
| 583 | i915_restore_palette(dev, PIPE_B); |
| 584 | /* Enable the plane */ |
| 585 | I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR); |
| 586 | I915_WRITE(DSPBADDR, I915_READ(DSPBADDR)); |
| 587 | |
Chris Wilson | f3c91c1 | 2010-11-21 09:56:00 +0000 | [diff] [blame] | 588 | /* Cursor state */ |
| 589 | I915_WRITE(CURAPOS, dev_priv->saveCURAPOS); |
| 590 | I915_WRITE(CURACNTR, dev_priv->saveCURACNTR); |
| 591 | I915_WRITE(CURABASE, dev_priv->saveCURABASE); |
| 592 | I915_WRITE(CURBPOS, dev_priv->saveCURBPOS); |
| 593 | I915_WRITE(CURBCNTR, dev_priv->saveCURBCNTR); |
| 594 | I915_WRITE(CURBBASE, dev_priv->saveCURBBASE); |
| 595 | if (IS_GEN2(dev)) |
| 596 | I915_WRITE(CURSIZE, dev_priv->saveCURSIZE); |
| 597 | |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 598 | return; |
| 599 | } |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 600 | |
| 601 | void i915_save_display(struct drm_device *dev) |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 602 | { |
| 603 | struct drm_i915_private *dev_priv = dev->dev_private; |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 604 | |
| 605 | /* Display arbitration control */ |
| 606 | dev_priv->saveDSPARB = I915_READ(DSPARB); |
| 607 | |
| 608 | /* This is only meaningful in non-KMS mode */ |
| 609 | /* Don't save them in KMS mode */ |
| 610 | i915_save_modeset_reg(dev); |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 611 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 612 | /* CRT state */ |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 613 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 614 | dev_priv->saveADPA = I915_READ(PCH_ADPA); |
| 615 | } else { |
| 616 | dev_priv->saveADPA = I915_READ(ADPA); |
| 617 | } |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 618 | |
| 619 | /* LVDS state */ |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 620 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 621 | dev_priv->savePP_CONTROL = I915_READ(PCH_PP_CONTROL); |
| 622 | dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_PCH_CTL1); |
| 623 | dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_PCH_CTL2); |
| 624 | dev_priv->saveBLC_CPU_PWM_CTL = I915_READ(BLC_PWM_CPU_CTL); |
| 625 | dev_priv->saveBLC_CPU_PWM_CTL2 = I915_READ(BLC_PWM_CPU_CTL2); |
| 626 | dev_priv->saveLVDS = I915_READ(PCH_LVDS); |
| 627 | } else { |
| 628 | dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL); |
| 629 | dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); |
| 630 | dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); |
| 631 | dev_priv->saveBLC_HIST_CTL = I915_READ(BLC_HIST_CTL); |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 632 | if (INTEL_INFO(dev)->gen >= 4) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 633 | dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); |
| 634 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
| 635 | dev_priv->saveLVDS = I915_READ(LVDS); |
| 636 | } |
| 637 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 638 | if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 639 | dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL); |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 640 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 641 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 642 | dev_priv->savePP_ON_DELAYS = I915_READ(PCH_PP_ON_DELAYS); |
| 643 | dev_priv->savePP_OFF_DELAYS = I915_READ(PCH_PP_OFF_DELAYS); |
| 644 | dev_priv->savePP_DIVISOR = I915_READ(PCH_PP_DIVISOR); |
| 645 | } else { |
| 646 | dev_priv->savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS); |
| 647 | dev_priv->savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS); |
| 648 | dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR); |
| 649 | } |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 650 | |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 651 | /* Display Port state */ |
| 652 | if (SUPPORTS_INTEGRATED_DP(dev)) { |
| 653 | dev_priv->saveDP_B = I915_READ(DP_B); |
| 654 | dev_priv->saveDP_C = I915_READ(DP_C); |
| 655 | dev_priv->saveDP_D = I915_READ(DP_D); |
| 656 | dev_priv->savePIPEA_GMCH_DATA_M = I915_READ(PIPEA_GMCH_DATA_M); |
| 657 | dev_priv->savePIPEB_GMCH_DATA_M = I915_READ(PIPEB_GMCH_DATA_M); |
| 658 | dev_priv->savePIPEA_GMCH_DATA_N = I915_READ(PIPEA_GMCH_DATA_N); |
| 659 | dev_priv->savePIPEB_GMCH_DATA_N = I915_READ(PIPEB_GMCH_DATA_N); |
| 660 | dev_priv->savePIPEA_DP_LINK_M = I915_READ(PIPEA_DP_LINK_M); |
| 661 | dev_priv->savePIPEB_DP_LINK_M = I915_READ(PIPEB_DP_LINK_M); |
| 662 | dev_priv->savePIPEA_DP_LINK_N = I915_READ(PIPEA_DP_LINK_N); |
| 663 | dev_priv->savePIPEB_DP_LINK_N = I915_READ(PIPEB_DP_LINK_N); |
| 664 | } |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 665 | /* FIXME: save TV & SDVO state */ |
| 666 | |
Zhao Yakui | a2c459e | 2010-03-19 17:05:10 +0800 | [diff] [blame] | 667 | /* Only save FBC state on the platform that supports FBC */ |
| 668 | if (I915_HAS_FBC(dev)) { |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 669 | if (HAS_PCH_SPLIT(dev)) { |
Zhao Yakui | b52eb4d | 2010-06-12 14:32:27 +0800 | [diff] [blame] | 670 | dev_priv->saveDPFC_CB_BASE = I915_READ(ILK_DPFC_CB_BASE); |
| 671 | } else if (IS_GM45(dev)) { |
Zhao Yakui | a2c459e | 2010-03-19 17:05:10 +0800 | [diff] [blame] | 672 | dev_priv->saveDPFC_CB_BASE = I915_READ(DPFC_CB_BASE); |
| 673 | } else { |
| 674 | dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE); |
| 675 | dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE); |
| 676 | dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2); |
| 677 | dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL); |
| 678 | } |
Jesse Barnes | 06027f9 | 2009-10-05 13:47:26 -0700 | [diff] [blame] | 679 | } |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 680 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 681 | /* VGA state */ |
| 682 | dev_priv->saveVGA0 = I915_READ(VGA0); |
| 683 | dev_priv->saveVGA1 = I915_READ(VGA1); |
| 684 | dev_priv->saveVGA_PD = I915_READ(VGA_PD); |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 685 | if (HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 686 | dev_priv->saveVGACNTRL = I915_READ(CPU_VGACNTRL); |
| 687 | else |
| 688 | dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 689 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 690 | i915_save_vga(dev); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 691 | } |
| 692 | |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 693 | void i915_restore_display(struct drm_device *dev) |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 694 | { |
| 695 | struct drm_i915_private *dev_priv = dev->dev_private; |
Peng Li | 461cba2 | 2008-11-18 12:39:02 +0800 | [diff] [blame] | 696 | |
Keith Packard | 881ee98 | 2008-11-02 23:08:44 -0800 | [diff] [blame] | 697 | /* Display arbitration */ |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 698 | I915_WRITE(DSPARB, dev_priv->saveDSPARB); |
| 699 | |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 700 | /* Display port ratios (must be done before clock is set) */ |
| 701 | if (SUPPORTS_INTEGRATED_DP(dev)) { |
| 702 | I915_WRITE(PIPEA_GMCH_DATA_M, dev_priv->savePIPEA_GMCH_DATA_M); |
| 703 | I915_WRITE(PIPEB_GMCH_DATA_M, dev_priv->savePIPEB_GMCH_DATA_M); |
| 704 | I915_WRITE(PIPEA_GMCH_DATA_N, dev_priv->savePIPEA_GMCH_DATA_N); |
| 705 | I915_WRITE(PIPEB_GMCH_DATA_N, dev_priv->savePIPEB_GMCH_DATA_N); |
| 706 | I915_WRITE(PIPEA_DP_LINK_M, dev_priv->savePIPEA_DP_LINK_M); |
| 707 | I915_WRITE(PIPEB_DP_LINK_M, dev_priv->savePIPEB_DP_LINK_M); |
| 708 | I915_WRITE(PIPEA_DP_LINK_N, dev_priv->savePIPEA_DP_LINK_N); |
| 709 | I915_WRITE(PIPEB_DP_LINK_N, dev_priv->savePIPEB_DP_LINK_N); |
| 710 | } |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 711 | |
Zhao Yakui | fccdaba | 2009-07-08 14:13:14 +0800 | [diff] [blame] | 712 | /* This is only meaningful in non-KMS mode */ |
| 713 | /* Don't restore them in KMS mode */ |
| 714 | i915_restore_modeset_reg(dev); |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 715 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 716 | /* CRT state */ |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 717 | if (HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 718 | I915_WRITE(PCH_ADPA, dev_priv->saveADPA); |
| 719 | else |
| 720 | I915_WRITE(ADPA, dev_priv->saveADPA); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 721 | |
| 722 | /* LVDS state */ |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 723 | if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 724 | I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2); |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 725 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 726 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 727 | I915_WRITE(PCH_LVDS, dev_priv->saveLVDS); |
| 728 | } else if (IS_MOBILE(dev) && !IS_I830(dev)) |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 729 | I915_WRITE(LVDS, dev_priv->saveLVDS); |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 730 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 731 | if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 732 | I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL); |
| 733 | |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 734 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 735 | I915_WRITE(BLC_PWM_PCH_CTL1, dev_priv->saveBLC_PWM_CTL); |
| 736 | I915_WRITE(BLC_PWM_PCH_CTL2, dev_priv->saveBLC_PWM_CTL2); |
| 737 | I915_WRITE(BLC_PWM_CPU_CTL, dev_priv->saveBLC_CPU_PWM_CTL); |
| 738 | I915_WRITE(BLC_PWM_CPU_CTL2, dev_priv->saveBLC_CPU_PWM_CTL2); |
| 739 | I915_WRITE(PCH_PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); |
| 740 | I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); |
| 741 | I915_WRITE(PCH_PP_DIVISOR, dev_priv->savePP_DIVISOR); |
| 742 | I915_WRITE(PCH_PP_CONTROL, dev_priv->savePP_CONTROL); |
Jesse Barnes | 88271da | 2011-01-05 12:01:24 -0800 | [diff] [blame^] | 743 | I915_WRITE(RSTDBYCTL, |
Matthew Garrett | b5b72e8 | 2010-02-02 18:30:47 +0000 | [diff] [blame] | 744 | dev_priv->saveMCHBAR_RENDER_STANDBY); |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 745 | } else { |
| 746 | I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS); |
| 747 | I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL); |
| 748 | I915_WRITE(BLC_HIST_CTL, dev_priv->saveBLC_HIST_CTL); |
| 749 | I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); |
| 750 | I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); |
| 751 | I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR); |
| 752 | I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL); |
| 753 | } |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 754 | |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 755 | /* Display Port state */ |
| 756 | if (SUPPORTS_INTEGRATED_DP(dev)) { |
| 757 | I915_WRITE(DP_B, dev_priv->saveDP_B); |
| 758 | I915_WRITE(DP_C, dev_priv->saveDP_C); |
| 759 | I915_WRITE(DP_D, dev_priv->saveDP_D); |
| 760 | } |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 761 | /* FIXME: restore TV & SDVO state */ |
| 762 | |
Zhao Yakui | a2c459e | 2010-03-19 17:05:10 +0800 | [diff] [blame] | 763 | /* only restore FBC info on the platform that supports FBC*/ |
| 764 | if (I915_HAS_FBC(dev)) { |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 765 | if (HAS_PCH_SPLIT(dev)) { |
Zhao Yakui | b52eb4d | 2010-06-12 14:32:27 +0800 | [diff] [blame] | 766 | ironlake_disable_fbc(dev); |
| 767 | I915_WRITE(ILK_DPFC_CB_BASE, dev_priv->saveDPFC_CB_BASE); |
| 768 | } else if (IS_GM45(dev)) { |
Zhao Yakui | a2c459e | 2010-03-19 17:05:10 +0800 | [diff] [blame] | 769 | g4x_disable_fbc(dev); |
| 770 | I915_WRITE(DPFC_CB_BASE, dev_priv->saveDPFC_CB_BASE); |
| 771 | } else { |
| 772 | i8xx_disable_fbc(dev); |
| 773 | I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE); |
| 774 | I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE); |
| 775 | I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2); |
| 776 | I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL); |
| 777 | } |
Jesse Barnes | 06027f9 | 2009-10-05 13:47:26 -0700 | [diff] [blame] | 778 | } |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 779 | /* VGA state */ |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 780 | if (HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 781 | I915_WRITE(CPU_VGACNTRL, dev_priv->saveVGACNTRL); |
| 782 | else |
| 783 | I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 784 | I915_WRITE(VGA0, dev_priv->saveVGA0); |
| 785 | I915_WRITE(VGA1, dev_priv->saveVGA1); |
| 786 | I915_WRITE(VGA_PD, dev_priv->saveVGA_PD); |
Chris Wilson | 72bcb26 | 2010-08-14 14:41:22 +0100 | [diff] [blame] | 787 | POSTING_READ(VGA_PD); |
| 788 | udelay(150); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 789 | |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 790 | i915_restore_vga(dev); |
| 791 | } |
| 792 | |
| 793 | int i915_save_state(struct drm_device *dev) |
| 794 | { |
| 795 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 796 | int i; |
| 797 | |
| 798 | pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); |
| 799 | |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 800 | /* Hardware status page */ |
| 801 | dev_priv->saveHWS = I915_READ(HWS_PGA); |
| 802 | |
| 803 | i915_save_display(dev); |
| 804 | |
| 805 | /* Interrupt state */ |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 806 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 807 | dev_priv->saveDEIER = I915_READ(DEIER); |
| 808 | dev_priv->saveDEIMR = I915_READ(DEIMR); |
| 809 | dev_priv->saveGTIER = I915_READ(GTIER); |
| 810 | dev_priv->saveGTIMR = I915_READ(GTIMR); |
| 811 | dev_priv->saveFDI_RXA_IMR = I915_READ(FDI_RXA_IMR); |
| 812 | dev_priv->saveFDI_RXB_IMR = I915_READ(FDI_RXB_IMR); |
Matthew Garrett | b5b72e8 | 2010-02-02 18:30:47 +0000 | [diff] [blame] | 813 | dev_priv->saveMCHBAR_RENDER_STANDBY = |
Jesse Barnes | 88271da | 2011-01-05 12:01:24 -0800 | [diff] [blame^] | 814 | I915_READ(RSTDBYCTL); |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 815 | } else { |
| 816 | dev_priv->saveIER = I915_READ(IER); |
| 817 | dev_priv->saveIMR = I915_READ(IMR); |
| 818 | } |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 819 | |
Jesse Barnes | 3b8d8d9 | 2010-12-17 14:19:02 -0800 | [diff] [blame] | 820 | if (IS_IRONLAKE_M(dev)) |
Jesse Barnes | f97108d | 2010-01-29 11:27:07 -0800 | [diff] [blame] | 821 | ironlake_disable_drps(dev); |
Jesse Barnes | 3b8d8d9 | 2010-12-17 14:19:02 -0800 | [diff] [blame] | 822 | if (IS_GEN6(dev)) |
| 823 | gen6_disable_rps(dev); |
Jesse Barnes | f97108d | 2010-01-29 11:27:07 -0800 | [diff] [blame] | 824 | |
Chris Wilson | 5909a77 | 2010-12-20 09:45:15 +0000 | [diff] [blame] | 825 | /* XXX disabling the clock gating breaks suspend on gm45 |
Chris Wilson | 0cdab21 | 2010-12-05 17:27:06 +0000 | [diff] [blame] | 826 | intel_disable_clock_gating(dev); |
Chris Wilson | 5909a77 | 2010-12-20 09:45:15 +0000 | [diff] [blame] | 827 | */ |
Chris Wilson | 0cdab21 | 2010-12-05 17:27:06 +0000 | [diff] [blame] | 828 | |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 829 | /* Cache mode state */ |
| 830 | dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); |
| 831 | |
| 832 | /* Memory Arbitration state */ |
| 833 | dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE); |
| 834 | |
| 835 | /* Scratch space */ |
| 836 | for (i = 0; i < 16; i++) { |
| 837 | dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2)); |
| 838 | dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2)); |
| 839 | } |
| 840 | for (i = 0; i < 3; i++) |
| 841 | dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2)); |
| 842 | |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 843 | return 0; |
| 844 | } |
| 845 | |
| 846 | int i915_restore_state(struct drm_device *dev) |
| 847 | { |
| 848 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 849 | int i; |
| 850 | |
| 851 | pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB); |
| 852 | |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 853 | /* Hardware status page */ |
| 854 | I915_WRITE(HWS_PGA, dev_priv->saveHWS); |
| 855 | |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 856 | i915_restore_display(dev); |
| 857 | |
| 858 | /* Interrupt state */ |
Chris Wilson | 90eb77b | 2010-08-14 14:41:23 +0100 | [diff] [blame] | 859 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 4204878 | 2009-10-21 15:27:01 +0800 | [diff] [blame] | 860 | I915_WRITE(DEIER, dev_priv->saveDEIER); |
| 861 | I915_WRITE(DEIMR, dev_priv->saveDEIMR); |
| 862 | I915_WRITE(GTIER, dev_priv->saveGTIER); |
| 863 | I915_WRITE(GTIMR, dev_priv->saveGTIMR); |
| 864 | I915_WRITE(FDI_RXA_IMR, dev_priv->saveFDI_RXA_IMR); |
| 865 | I915_WRITE(FDI_RXB_IMR, dev_priv->saveFDI_RXB_IMR); |
| 866 | } else { |
| 867 | I915_WRITE (IER, dev_priv->saveIER); |
| 868 | I915_WRITE (IMR, dev_priv->saveIMR); |
| 869 | } |
Ben Gamari | 1341d65 | 2009-09-14 17:48:42 -0400 | [diff] [blame] | 870 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 871 | /* Clock gating state */ |
Chris Wilson | 0cdab21 | 2010-12-05 17:27:06 +0000 | [diff] [blame] | 872 | intel_enable_clock_gating(dev); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 873 | |
Jesse Barnes | 3b8d8d9 | 2010-12-17 14:19:02 -0800 | [diff] [blame] | 874 | if (IS_IRONLAKE_M(dev)) { |
Jesse Barnes | f97108d | 2010-01-29 11:27:07 -0800 | [diff] [blame] | 875 | ironlake_enable_drps(dev); |
Kyle McMartin | 48fcfc8 | 2010-11-03 16:27:57 -0400 | [diff] [blame] | 876 | intel_init_emon(dev); |
| 877 | } |
Jesse Barnes | f97108d | 2010-01-29 11:27:07 -0800 | [diff] [blame] | 878 | |
Jesse Barnes | 3b8d8d9 | 2010-12-17 14:19:02 -0800 | [diff] [blame] | 879 | if (IS_GEN6(dev)) |
| 880 | gen6_enable_rps(dev_priv); |
| 881 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 882 | /* Cache mode state */ |
| 883 | I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); |
| 884 | |
| 885 | /* Memory arbitration state */ |
| 886 | I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000); |
| 887 | |
| 888 | for (i = 0; i < 16; i++) { |
| 889 | I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]); |
Roel Kluin | 819e006 | 2009-07-26 00:50:38 +0200 | [diff] [blame] | 890 | I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i]); |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 891 | } |
| 892 | for (i = 0; i < 3; i++) |
| 893 | I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]); |
| 894 | |
Chris Wilson | f899fc6 | 2010-07-20 15:44:45 -0700 | [diff] [blame] | 895 | intel_i2c_reset(dev); |
Eric Anholt | f0217c4 | 2009-12-01 11:56:30 -0800 | [diff] [blame] | 896 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 897 | return 0; |
| 898 | } |