diff options
Diffstat (limited to 'sys/dev/drm2/i915/i915_suspend.c')
-rw-r--r-- | sys/dev/drm2/i915/i915_suspend.c | 903 |
1 files changed, 0 insertions, 903 deletions
diff --git a/sys/dev/drm2/i915/i915_suspend.c b/sys/dev/drm2/i915/i915_suspend.c deleted file mode 100644 index 4ee9749e9cfc..000000000000 --- a/sys/dev/drm2/i915/i915_suspend.c +++ /dev/null @@ -1,903 +0,0 @@ -/* - * - * Copyright 2008 (c) Intel Corporation - * Jesse Barnes <jbarnes@virtuousgeek.org> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <dev/drm2/drmP.h> -#include <dev/drm2/i915/i915_drm.h> -#include <dev/drm2/i915/intel_drv.h> -#include <dev/drm2/i915/i915_reg.h> - -static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - u32 dpll_reg; - - /* On IVB, 3rd pipe shares PLL with another one */ - if (pipe > 1) - return false; - - if (HAS_PCH_SPLIT(dev)) - dpll_reg = _PCH_DPLL(pipe); - else - dpll_reg = (pipe == PIPE_A) ? _DPLL_A : _DPLL_B; - - return (I915_READ(dpll_reg) & DPLL_VCO_ENABLE); -} - -static void i915_save_palette(struct drm_device *dev, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - unsigned long reg = (pipe == PIPE_A ? _PALETTE_A : _PALETTE_B); - u32 *array; - int i; - - if (!i915_pipe_enabled(dev, pipe)) - return; - - if (HAS_PCH_SPLIT(dev)) - reg = (pipe == PIPE_A) ? _LGC_PALETTE_A : _LGC_PALETTE_B; - - if (pipe == PIPE_A) - array = dev_priv->regfile.save_palette_a; - else - array = dev_priv->regfile.save_palette_b; - - for (i = 0; i < 256; i++) - array[i] = I915_READ(reg + (i << 2)); -} - -static void i915_restore_palette(struct drm_device *dev, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - unsigned long reg = (pipe == PIPE_A ? _PALETTE_A : _PALETTE_B); - u32 *array; - int i; - - if (!i915_pipe_enabled(dev, pipe)) - return; - - if (HAS_PCH_SPLIT(dev)) - reg = (pipe == PIPE_A) ? _LGC_PALETTE_A : _LGC_PALETTE_B; - - if (pipe == PIPE_A) - array = dev_priv->regfile.save_palette_a; - else - array = dev_priv->regfile.save_palette_b; - - for (i = 0; i < 256; i++) - I915_WRITE(reg + (i << 2), array[i]); -} - -static u8 i915_read_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - I915_WRITE8(index_port, reg); - return I915_READ8(data_port); -} - -static u8 i915_read_ar(struct drm_device *dev, u16 st01, u8 reg, u16 palette_enable) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - I915_READ8(st01); - I915_WRITE8(VGA_AR_INDEX, palette_enable | reg); - return I915_READ8(VGA_AR_DATA_READ); -} - -static void i915_write_ar(struct drm_device *dev, u16 st01, u8 reg, u8 val, u16 palette_enable) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - I915_READ8(st01); - I915_WRITE8(VGA_AR_INDEX, palette_enable | reg); - I915_WRITE8(VGA_AR_DATA_WRITE, val); -} - -static void i915_write_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg, u8 val) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - I915_WRITE8(index_port, reg); - I915_WRITE8(data_port, val); -} - -static void i915_save_vga(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - u16 cr_index, cr_data, st01; - - /* VGA color palette registers */ - dev_priv->regfile.saveDACMASK = I915_READ8(VGA_DACMASK); - - /* MSR bits */ - dev_priv->regfile.saveMSR = I915_READ8(VGA_MSR_READ); - if (dev_priv->regfile.saveMSR & VGA_MSR_CGA_MODE) { - cr_index = VGA_CR_INDEX_CGA; - cr_data = VGA_CR_DATA_CGA; - st01 = VGA_ST01_CGA; - } else { - cr_index = VGA_CR_INDEX_MDA; - cr_data = VGA_CR_DATA_MDA; - st01 = VGA_ST01_MDA; - } - - /* CRT controller regs */ - i915_write_indexed(dev, cr_index, cr_data, 0x11, - i915_read_indexed(dev, cr_index, cr_data, 0x11) & - (~0x80)); - for (i = 0; i <= 0x24; i++) - dev_priv->regfile.saveCR[i] = - i915_read_indexed(dev, cr_index, cr_data, i); - /* Make sure we don't turn off CR group 0 writes */ - dev_priv->regfile.saveCR[0x11] &= ~0x80; - - /* Attribute controller registers */ - I915_READ8(st01); - dev_priv->regfile.saveAR_INDEX = I915_READ8(VGA_AR_INDEX); - for (i = 0; i <= 0x14; i++) - dev_priv->regfile.saveAR[i] = i915_read_ar(dev, st01, i, 0); - I915_READ8(st01); - I915_WRITE8(VGA_AR_INDEX, dev_priv->regfile.saveAR_INDEX); - I915_READ8(st01); - - /* Graphics controller registers */ - for (i = 0; i < 9; i++) - dev_priv->regfile.saveGR[i] = - i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i); - - dev_priv->regfile.saveGR[0x10] = - i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10); - dev_priv->regfile.saveGR[0x11] = - i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11); - dev_priv->regfile.saveGR[0x18] = - i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18); - - /* Sequencer registers */ - for (i = 0; i < 8; i++) - dev_priv->regfile.saveSR[i] = - i915_read_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i); -} - -static void i915_restore_vga(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - u16 cr_index, cr_data, st01; - - /* MSR bits */ - I915_WRITE8(VGA_MSR_WRITE, dev_priv->regfile.saveMSR); - if (dev_priv->regfile.saveMSR & VGA_MSR_CGA_MODE) { - cr_index = VGA_CR_INDEX_CGA; - cr_data = VGA_CR_DATA_CGA; - st01 = VGA_ST01_CGA; - } else { - cr_index = VGA_CR_INDEX_MDA; - cr_data = VGA_CR_DATA_MDA; - st01 = VGA_ST01_MDA; - } - - /* Sequencer registers, don't write SR07 */ - for (i = 0; i < 7; i++) - i915_write_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i, - dev_priv->regfile.saveSR[i]); - - /* CRT controller regs */ - /* Enable CR group 0 writes */ - i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->regfile.saveCR[0x11]); - for (i = 0; i <= 0x24; i++) - i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->regfile.saveCR[i]); - - /* Graphics controller regs */ - for (i = 0; i < 9; i++) - i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i, - dev_priv->regfile.saveGR[i]); - - i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10, - dev_priv->regfile.saveGR[0x10]); - i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11, - dev_priv->regfile.saveGR[0x11]); - i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18, - dev_priv->regfile.saveGR[0x18]); - - /* Attribute controller registers */ - I915_READ8(st01); /* switch back to index mode */ - for (i = 0; i <= 0x14; i++) - i915_write_ar(dev, st01, i, dev_priv->regfile.saveAR[i], 0); - I915_READ8(st01); /* switch back to index mode */ - I915_WRITE8(VGA_AR_INDEX, dev_priv->regfile.saveAR_INDEX | 0x20); - I915_READ8(st01); - - /* VGA color palette registers */ - I915_WRITE8(VGA_DACMASK, dev_priv->regfile.saveDACMASK); -} - -static void i915_save_modeset_reg(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - - if (drm_core_check_feature(dev, DRIVER_MODESET)) - return; - - /* Cursor state */ - dev_priv->regfile.saveCURACNTR = I915_READ(_CURACNTR); - dev_priv->regfile.saveCURAPOS = I915_READ(_CURAPOS); - dev_priv->regfile.saveCURABASE = I915_READ(_CURABASE); - dev_priv->regfile.saveCURBCNTR = I915_READ(_CURBCNTR); - dev_priv->regfile.saveCURBPOS = I915_READ(_CURBPOS); - dev_priv->regfile.saveCURBBASE = I915_READ(_CURBBASE); - if (IS_GEN2(dev)) - dev_priv->regfile.saveCURSIZE = I915_READ(CURSIZE); - - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePCH_DREF_CONTROL = I915_READ(PCH_DREF_CONTROL); - dev_priv->regfile.saveDISP_ARB_CTL = I915_READ(DISP_ARB_CTL); - } - - /* Pipe & plane A info */ - dev_priv->regfile.savePIPEACONF = I915_READ(_PIPEACONF); - dev_priv->regfile.savePIPEASRC = I915_READ(_PIPEASRC); - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.saveFPA0 = I915_READ(_PCH_FPA0); - dev_priv->regfile.saveFPA1 = I915_READ(_PCH_FPA1); - dev_priv->regfile.saveDPLL_A = I915_READ(_PCH_DPLL_A); - } else { - dev_priv->regfile.saveFPA0 = I915_READ(_FPA0); - dev_priv->regfile.saveFPA1 = I915_READ(_FPA1); - dev_priv->regfile.saveDPLL_A = I915_READ(_DPLL_A); - } - if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveDPLL_A_MD = I915_READ(_DPLL_A_MD); - dev_priv->regfile.saveHTOTAL_A = I915_READ(_HTOTAL_A); - dev_priv->regfile.saveHBLANK_A = I915_READ(_HBLANK_A); - dev_priv->regfile.saveHSYNC_A = I915_READ(_HSYNC_A); - dev_priv->regfile.saveVTOTAL_A = I915_READ(_VTOTAL_A); - dev_priv->regfile.saveVBLANK_A = I915_READ(_VBLANK_A); - dev_priv->regfile.saveVSYNC_A = I915_READ(_VSYNC_A); - if (!HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveBCLRPAT_A = I915_READ(_BCLRPAT_A); - - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePIPEA_DATA_M1 = I915_READ(_PIPEA_DATA_M1); - dev_priv->regfile.savePIPEA_DATA_N1 = I915_READ(_PIPEA_DATA_N1); - dev_priv->regfile.savePIPEA_LINK_M1 = I915_READ(_PIPEA_LINK_M1); - dev_priv->regfile.savePIPEA_LINK_N1 = I915_READ(_PIPEA_LINK_N1); - - dev_priv->regfile.saveFDI_TXA_CTL = I915_READ(_FDI_TXA_CTL); - dev_priv->regfile.saveFDI_RXA_CTL = I915_READ(_FDI_RXA_CTL); - - dev_priv->regfile.savePFA_CTL_1 = I915_READ(_PFA_CTL_1); - dev_priv->regfile.savePFA_WIN_SZ = I915_READ(_PFA_WIN_SZ); - dev_priv->regfile.savePFA_WIN_POS = I915_READ(_PFA_WIN_POS); - - dev_priv->regfile.saveTRANSACONF = I915_READ(_TRANSACONF); - dev_priv->regfile.saveTRANS_HTOTAL_A = I915_READ(_TRANS_HTOTAL_A); - dev_priv->regfile.saveTRANS_HBLANK_A = I915_READ(_TRANS_HBLANK_A); - dev_priv->regfile.saveTRANS_HSYNC_A = I915_READ(_TRANS_HSYNC_A); - dev_priv->regfile.saveTRANS_VTOTAL_A = I915_READ(_TRANS_VTOTAL_A); - dev_priv->regfile.saveTRANS_VBLANK_A = I915_READ(_TRANS_VBLANK_A); - dev_priv->regfile.saveTRANS_VSYNC_A = I915_READ(_TRANS_VSYNC_A); - } - - dev_priv->regfile.saveDSPACNTR = I915_READ(_DSPACNTR); - dev_priv->regfile.saveDSPASTRIDE = I915_READ(_DSPASTRIDE); - dev_priv->regfile.saveDSPASIZE = I915_READ(_DSPASIZE); - dev_priv->regfile.saveDSPAPOS = I915_READ(_DSPAPOS); - dev_priv->regfile.saveDSPAADDR = I915_READ(_DSPAADDR); - if (INTEL_INFO(dev)->gen >= 4) { - dev_priv->regfile.saveDSPASURF = I915_READ(_DSPASURF); - dev_priv->regfile.saveDSPATILEOFF = I915_READ(_DSPATILEOFF); - } - i915_save_palette(dev, PIPE_A); - dev_priv->regfile.savePIPEASTAT = I915_READ(_PIPEASTAT); - - /* Pipe & plane B info */ - dev_priv->regfile.savePIPEBCONF = I915_READ(_PIPEBCONF); - dev_priv->regfile.savePIPEBSRC = I915_READ(_PIPEBSRC); - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.saveFPB0 = I915_READ(_PCH_FPB0); - dev_priv->regfile.saveFPB1 = I915_READ(_PCH_FPB1); - dev_priv->regfile.saveDPLL_B = I915_READ(_PCH_DPLL_B); - } else { - dev_priv->regfile.saveFPB0 = I915_READ(_FPB0); - dev_priv->regfile.saveFPB1 = I915_READ(_FPB1); - dev_priv->regfile.saveDPLL_B = I915_READ(_DPLL_B); - } - if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveDPLL_B_MD = I915_READ(_DPLL_B_MD); - dev_priv->regfile.saveHTOTAL_B = I915_READ(_HTOTAL_B); - dev_priv->regfile.saveHBLANK_B = I915_READ(_HBLANK_B); - dev_priv->regfile.saveHSYNC_B = I915_READ(_HSYNC_B); - dev_priv->regfile.saveVTOTAL_B = I915_READ(_VTOTAL_B); - dev_priv->regfile.saveVBLANK_B = I915_READ(_VBLANK_B); - dev_priv->regfile.saveVSYNC_B = I915_READ(_VSYNC_B); - if (!HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveBCLRPAT_B = I915_READ(_BCLRPAT_B); - - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePIPEB_DATA_M1 = I915_READ(_PIPEB_DATA_M1); - dev_priv->regfile.savePIPEB_DATA_N1 = I915_READ(_PIPEB_DATA_N1); - dev_priv->regfile.savePIPEB_LINK_M1 = I915_READ(_PIPEB_LINK_M1); - dev_priv->regfile.savePIPEB_LINK_N1 = I915_READ(_PIPEB_LINK_N1); - - dev_priv->regfile.saveFDI_TXB_CTL = I915_READ(_FDI_TXB_CTL); - dev_priv->regfile.saveFDI_RXB_CTL = I915_READ(_FDI_RXB_CTL); - - dev_priv->regfile.savePFB_CTL_1 = I915_READ(_PFB_CTL_1); - dev_priv->regfile.savePFB_WIN_SZ = I915_READ(_PFB_WIN_SZ); - dev_priv->regfile.savePFB_WIN_POS = I915_READ(_PFB_WIN_POS); - - dev_priv->regfile.saveTRANSBCONF = I915_READ(_TRANSBCONF); - dev_priv->regfile.saveTRANS_HTOTAL_B = I915_READ(_TRANS_HTOTAL_B); - dev_priv->regfile.saveTRANS_HBLANK_B = I915_READ(_TRANS_HBLANK_B); - dev_priv->regfile.saveTRANS_HSYNC_B = I915_READ(_TRANS_HSYNC_B); - dev_priv->regfile.saveTRANS_VTOTAL_B = I915_READ(_TRANS_VTOTAL_B); - dev_priv->regfile.saveTRANS_VBLANK_B = I915_READ(_TRANS_VBLANK_B); - dev_priv->regfile.saveTRANS_VSYNC_B = I915_READ(_TRANS_VSYNC_B); - } - - dev_priv->regfile.saveDSPBCNTR = I915_READ(_DSPBCNTR); - dev_priv->regfile.saveDSPBSTRIDE = I915_READ(_DSPBSTRIDE); - dev_priv->regfile.saveDSPBSIZE = I915_READ(_DSPBSIZE); - dev_priv->regfile.saveDSPBPOS = I915_READ(_DSPBPOS); - dev_priv->regfile.saveDSPBADDR = I915_READ(_DSPBADDR); - if (INTEL_INFO(dev)->gen >= 4) { - dev_priv->regfile.saveDSPBSURF = I915_READ(_DSPBSURF); - dev_priv->regfile.saveDSPBTILEOFF = I915_READ(_DSPBTILEOFF); - } - i915_save_palette(dev, PIPE_B); - dev_priv->regfile.savePIPEBSTAT = I915_READ(_PIPEBSTAT); - - /* Fences */ - switch (INTEL_INFO(dev)->gen) { - case 7: - case 6: - for (i = 0; i < 16; i++) - dev_priv->regfile.saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8)); - break; - case 5: - case 4: - for (i = 0; i < 16; i++) - dev_priv->regfile.saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8)); - break; - case 3: - if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) - for (i = 0; i < 8; i++) - dev_priv->regfile.saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4)); - case 2: - for (i = 0; i < 8; i++) - dev_priv->regfile.saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4)); - break; - } - - /* CRT state */ - if (HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveADPA = I915_READ(PCH_ADPA); - else - dev_priv->regfile.saveADPA = I915_READ(ADPA); - - return; -} - -static void i915_restore_modeset_reg(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int dpll_a_reg, fpa0_reg, fpa1_reg; - int dpll_b_reg, fpb0_reg, fpb1_reg; - int i; - - if (drm_core_check_feature(dev, DRIVER_MODESET)) - return; - - /* Fences */ - switch (INTEL_INFO(dev)->gen) { - case 7: - case 6: - for (i = 0; i < 16; i++) - I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->regfile.saveFENCE[i]); - break; - case 5: - case 4: - for (i = 0; i < 16; i++) - I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->regfile.saveFENCE[i]); - break; - case 3: - case 2: - if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) - for (i = 0; i < 8; i++) - I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->regfile.saveFENCE[i+8]); - for (i = 0; i < 8; i++) - I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->regfile.saveFENCE[i]); - break; - } - - - if (HAS_PCH_SPLIT(dev)) { - dpll_a_reg = _PCH_DPLL_A; - dpll_b_reg = _PCH_DPLL_B; - fpa0_reg = _PCH_FPA0; - fpb0_reg = _PCH_FPB0; - fpa1_reg = _PCH_FPA1; - fpb1_reg = _PCH_FPB1; - } else { - dpll_a_reg = _DPLL_A; - dpll_b_reg = _DPLL_B; - fpa0_reg = _FPA0; - fpb0_reg = _FPB0; - fpa1_reg = _FPA1; - fpb1_reg = _FPB1; - } - - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(PCH_DREF_CONTROL, dev_priv->regfile.savePCH_DREF_CONTROL); - I915_WRITE(DISP_ARB_CTL, dev_priv->regfile.saveDISP_ARB_CTL); - } - - /* Pipe & plane A info */ - /* Prime the clock */ - if (dev_priv->regfile.saveDPLL_A & DPLL_VCO_ENABLE) { - I915_WRITE(dpll_a_reg, dev_priv->regfile.saveDPLL_A & - ~DPLL_VCO_ENABLE); - POSTING_READ(dpll_a_reg); - udelay(150); - } - I915_WRITE(fpa0_reg, dev_priv->regfile.saveFPA0); - I915_WRITE(fpa1_reg, dev_priv->regfile.saveFPA1); - /* Actually enable it */ - I915_WRITE(dpll_a_reg, dev_priv->regfile.saveDPLL_A); - POSTING_READ(dpll_a_reg); - udelay(150); - if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) { - I915_WRITE(_DPLL_A_MD, dev_priv->regfile.saveDPLL_A_MD); - POSTING_READ(_DPLL_A_MD); - } - udelay(150); - - /* Restore mode */ - I915_WRITE(_HTOTAL_A, dev_priv->regfile.saveHTOTAL_A); - I915_WRITE(_HBLANK_A, dev_priv->regfile.saveHBLANK_A); - I915_WRITE(_HSYNC_A, dev_priv->regfile.saveHSYNC_A); - I915_WRITE(_VTOTAL_A, dev_priv->regfile.saveVTOTAL_A); - I915_WRITE(_VBLANK_A, dev_priv->regfile.saveVBLANK_A); - I915_WRITE(_VSYNC_A, dev_priv->regfile.saveVSYNC_A); - if (!HAS_PCH_SPLIT(dev)) - I915_WRITE(_BCLRPAT_A, dev_priv->regfile.saveBCLRPAT_A); - - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(_PIPEA_DATA_M1, dev_priv->regfile.savePIPEA_DATA_M1); - I915_WRITE(_PIPEA_DATA_N1, dev_priv->regfile.savePIPEA_DATA_N1); - I915_WRITE(_PIPEA_LINK_M1, dev_priv->regfile.savePIPEA_LINK_M1); - I915_WRITE(_PIPEA_LINK_N1, dev_priv->regfile.savePIPEA_LINK_N1); - - I915_WRITE(_FDI_RXA_CTL, dev_priv->regfile.saveFDI_RXA_CTL); - I915_WRITE(_FDI_TXA_CTL, dev_priv->regfile.saveFDI_TXA_CTL); - - I915_WRITE(_PFA_CTL_1, dev_priv->regfile.savePFA_CTL_1); - I915_WRITE(_PFA_WIN_SZ, dev_priv->regfile.savePFA_WIN_SZ); - I915_WRITE(_PFA_WIN_POS, dev_priv->regfile.savePFA_WIN_POS); - - I915_WRITE(_TRANSACONF, dev_priv->regfile.saveTRANSACONF); - I915_WRITE(_TRANS_HTOTAL_A, dev_priv->regfile.saveTRANS_HTOTAL_A); - I915_WRITE(_TRANS_HBLANK_A, dev_priv->regfile.saveTRANS_HBLANK_A); - I915_WRITE(_TRANS_HSYNC_A, dev_priv->regfile.saveTRANS_HSYNC_A); - I915_WRITE(_TRANS_VTOTAL_A, dev_priv->regfile.saveTRANS_VTOTAL_A); - I915_WRITE(_TRANS_VBLANK_A, dev_priv->regfile.saveTRANS_VBLANK_A); - I915_WRITE(_TRANS_VSYNC_A, dev_priv->regfile.saveTRANS_VSYNC_A); - } - - /* Restore plane info */ - I915_WRITE(_DSPASIZE, dev_priv->regfile.saveDSPASIZE); - I915_WRITE(_DSPAPOS, dev_priv->regfile.saveDSPAPOS); - I915_WRITE(_PIPEASRC, dev_priv->regfile.savePIPEASRC); - I915_WRITE(_DSPAADDR, dev_priv->regfile.saveDSPAADDR); - I915_WRITE(_DSPASTRIDE, dev_priv->regfile.saveDSPASTRIDE); - if (INTEL_INFO(dev)->gen >= 4) { - I915_WRITE(_DSPASURF, dev_priv->regfile.saveDSPASURF); - I915_WRITE(_DSPATILEOFF, dev_priv->regfile.saveDSPATILEOFF); - } - - I915_WRITE(_PIPEACONF, dev_priv->regfile.savePIPEACONF); - - i915_restore_palette(dev, PIPE_A); - /* Enable the plane */ - I915_WRITE(_DSPACNTR, dev_priv->regfile.saveDSPACNTR); - I915_WRITE(_DSPAADDR, I915_READ(_DSPAADDR)); - - /* Pipe & plane B info */ - if (dev_priv->regfile.saveDPLL_B & DPLL_VCO_ENABLE) { - I915_WRITE(dpll_b_reg, dev_priv->regfile.saveDPLL_B & - ~DPLL_VCO_ENABLE); - POSTING_READ(dpll_b_reg); - udelay(150); - } - I915_WRITE(fpb0_reg, dev_priv->regfile.saveFPB0); - I915_WRITE(fpb1_reg, dev_priv->regfile.saveFPB1); - /* Actually enable it */ - I915_WRITE(dpll_b_reg, dev_priv->regfile.saveDPLL_B); - POSTING_READ(dpll_b_reg); - udelay(150); - if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) { - I915_WRITE(_DPLL_B_MD, dev_priv->regfile.saveDPLL_B_MD); - POSTING_READ(_DPLL_B_MD); - } - udelay(150); - - /* Restore mode */ - I915_WRITE(_HTOTAL_B, dev_priv->regfile.saveHTOTAL_B); - I915_WRITE(_HBLANK_B, dev_priv->regfile.saveHBLANK_B); - I915_WRITE(_HSYNC_B, dev_priv->regfile.saveHSYNC_B); - I915_WRITE(_VTOTAL_B, dev_priv->regfile.saveVTOTAL_B); - I915_WRITE(_VBLANK_B, dev_priv->regfile.saveVBLANK_B); - I915_WRITE(_VSYNC_B, dev_priv->regfile.saveVSYNC_B); - if (!HAS_PCH_SPLIT(dev)) - I915_WRITE(_BCLRPAT_B, dev_priv->regfile.saveBCLRPAT_B); - - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(_PIPEB_DATA_M1, dev_priv->regfile.savePIPEB_DATA_M1); - I915_WRITE(_PIPEB_DATA_N1, dev_priv->regfile.savePIPEB_DATA_N1); - I915_WRITE(_PIPEB_LINK_M1, dev_priv->regfile.savePIPEB_LINK_M1); - I915_WRITE(_PIPEB_LINK_N1, dev_priv->regfile.savePIPEB_LINK_N1); - - I915_WRITE(_FDI_RXB_CTL, dev_priv->regfile.saveFDI_RXB_CTL); - I915_WRITE(_FDI_TXB_CTL, dev_priv->regfile.saveFDI_TXB_CTL); - - I915_WRITE(_PFB_CTL_1, dev_priv->regfile.savePFB_CTL_1); - I915_WRITE(_PFB_WIN_SZ, dev_priv->regfile.savePFB_WIN_SZ); - I915_WRITE(_PFB_WIN_POS, dev_priv->regfile.savePFB_WIN_POS); - - I915_WRITE(_TRANSBCONF, dev_priv->regfile.saveTRANSBCONF); - I915_WRITE(_TRANS_HTOTAL_B, dev_priv->regfile.saveTRANS_HTOTAL_B); - I915_WRITE(_TRANS_HBLANK_B, dev_priv->regfile.saveTRANS_HBLANK_B); - I915_WRITE(_TRANS_HSYNC_B, dev_priv->regfile.saveTRANS_HSYNC_B); - I915_WRITE(_TRANS_VTOTAL_B, dev_priv->regfile.saveTRANS_VTOTAL_B); - I915_WRITE(_TRANS_VBLANK_B, dev_priv->regfile.saveTRANS_VBLANK_B); - I915_WRITE(_TRANS_VSYNC_B, dev_priv->regfile.saveTRANS_VSYNC_B); - } - - /* Restore plane info */ - I915_WRITE(_DSPBSIZE, dev_priv->regfile.saveDSPBSIZE); - I915_WRITE(_DSPBPOS, dev_priv->regfile.saveDSPBPOS); - I915_WRITE(_PIPEBSRC, dev_priv->regfile.savePIPEBSRC); - I915_WRITE(_DSPBADDR, dev_priv->regfile.saveDSPBADDR); - I915_WRITE(_DSPBSTRIDE, dev_priv->regfile.saveDSPBSTRIDE); - if (INTEL_INFO(dev)->gen >= 4) { - I915_WRITE(_DSPBSURF, dev_priv->regfile.saveDSPBSURF); - I915_WRITE(_DSPBTILEOFF, dev_priv->regfile.saveDSPBTILEOFF); - } - - I915_WRITE(_PIPEBCONF, dev_priv->regfile.savePIPEBCONF); - - i915_restore_palette(dev, PIPE_B); - /* Enable the plane */ - I915_WRITE(_DSPBCNTR, dev_priv->regfile.saveDSPBCNTR); - I915_WRITE(_DSPBADDR, I915_READ(_DSPBADDR)); - - /* Cursor state */ - I915_WRITE(_CURAPOS, dev_priv->regfile.saveCURAPOS); - I915_WRITE(_CURACNTR, dev_priv->regfile.saveCURACNTR); - I915_WRITE(_CURABASE, dev_priv->regfile.saveCURABASE); - I915_WRITE(_CURBPOS, dev_priv->regfile.saveCURBPOS); - I915_WRITE(_CURBCNTR, dev_priv->regfile.saveCURBCNTR); - I915_WRITE(_CURBBASE, dev_priv->regfile.saveCURBBASE); - if (IS_GEN2(dev)) - I915_WRITE(CURSIZE, dev_priv->regfile.saveCURSIZE); - - /* CRT state */ - if (HAS_PCH_SPLIT(dev)) - I915_WRITE(PCH_ADPA, dev_priv->regfile.saveADPA); - else - I915_WRITE(ADPA, dev_priv->regfile.saveADPA); - - return; -} - -static void i915_save_display(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - /* Display arbitration control */ - dev_priv->regfile.saveDSPARB = I915_READ(DSPARB); - - /* This is only meaningful in non-KMS mode */ - /* Don't regfile.save them in KMS mode */ - i915_save_modeset_reg(dev); - - /* LVDS state */ - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePP_CONTROL = I915_READ(PCH_PP_CONTROL); - dev_priv->regfile.saveBLC_PWM_CTL = I915_READ(BLC_PWM_PCH_CTL1); - dev_priv->regfile.saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_PCH_CTL2); - dev_priv->regfile.saveBLC_CPU_PWM_CTL = I915_READ(BLC_PWM_CPU_CTL); - dev_priv->regfile.saveBLC_CPU_PWM_CTL2 = I915_READ(BLC_PWM_CPU_CTL2); - dev_priv->regfile.saveLVDS = I915_READ(PCH_LVDS); - } else { - dev_priv->regfile.savePP_CONTROL = I915_READ(PP_CONTROL); - dev_priv->regfile.savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); - dev_priv->regfile.saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); - dev_priv->regfile.saveBLC_HIST_CTL = I915_READ(BLC_HIST_CTL); - if (INTEL_INFO(dev)->gen >= 4) - dev_priv->regfile.saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); - if (IS_MOBILE(dev) && !IS_I830(dev)) - dev_priv->regfile.saveLVDS = I915_READ(LVDS); - } - - if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) - dev_priv->regfile.savePFIT_CONTROL = I915_READ(PFIT_CONTROL); - - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PCH_PP_ON_DELAYS); - dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PCH_PP_OFF_DELAYS); - dev_priv->regfile.savePP_DIVISOR = I915_READ(PCH_PP_DIVISOR); - } else { - dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS); - dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS); - dev_priv->regfile.savePP_DIVISOR = I915_READ(PP_DIVISOR); - } - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Display Port state */ - if (SUPPORTS_INTEGRATED_DP(dev)) { - dev_priv->regfile.saveDP_B = I915_READ(DP_B); - dev_priv->regfile.saveDP_C = I915_READ(DP_C); - dev_priv->regfile.saveDP_D = I915_READ(DP_D); - dev_priv->regfile.savePIPEA_GMCH_DATA_M = I915_READ(_PIPEA_GMCH_DATA_M); - dev_priv->regfile.savePIPEB_GMCH_DATA_M = I915_READ(_PIPEB_GMCH_DATA_M); - dev_priv->regfile.savePIPEA_GMCH_DATA_N = I915_READ(_PIPEA_GMCH_DATA_N); - dev_priv->regfile.savePIPEB_GMCH_DATA_N = I915_READ(_PIPEB_GMCH_DATA_N); - dev_priv->regfile.savePIPEA_DP_LINK_M = I915_READ(_PIPEA_DP_LINK_M); - dev_priv->regfile.savePIPEB_DP_LINK_M = I915_READ(_PIPEB_DP_LINK_M); - dev_priv->regfile.savePIPEA_DP_LINK_N = I915_READ(_PIPEA_DP_LINK_N); - dev_priv->regfile.savePIPEB_DP_LINK_N = I915_READ(_PIPEB_DP_LINK_N); - } - /* FIXME: regfile.save TV & SDVO state */ - } - - /* Only regfile.save FBC state on the platform that supports FBC */ - if (I915_HAS_FBC(dev)) { - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.saveDPFC_CB_BASE = I915_READ(ILK_DPFC_CB_BASE); - } else if (IS_GM45(dev)) { - dev_priv->regfile.saveDPFC_CB_BASE = I915_READ(DPFC_CB_BASE); - } else { - dev_priv->regfile.saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE); - dev_priv->regfile.saveFBC_LL_BASE = I915_READ(FBC_LL_BASE); - dev_priv->regfile.saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2); - dev_priv->regfile.saveFBC_CONTROL = I915_READ(FBC_CONTROL); - } - } - - /* VGA state */ - dev_priv->regfile.saveVGA0 = I915_READ(VGA0); - dev_priv->regfile.saveVGA1 = I915_READ(VGA1); - dev_priv->regfile.saveVGA_PD = I915_READ(VGA_PD); - if (HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveVGACNTRL = I915_READ(CPU_VGACNTRL); - else - dev_priv->regfile.saveVGACNTRL = I915_READ(VGACNTRL); - - i915_save_vga(dev); -} - -static void i915_restore_display(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - /* Display arbitration */ - I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB); - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Display port ratios (must be done before clock is set) */ - if (SUPPORTS_INTEGRATED_DP(dev)) { - I915_WRITE(_PIPEA_GMCH_DATA_M, dev_priv->regfile.savePIPEA_GMCH_DATA_M); - I915_WRITE(_PIPEB_GMCH_DATA_M, dev_priv->regfile.savePIPEB_GMCH_DATA_M); - I915_WRITE(_PIPEA_GMCH_DATA_N, dev_priv->regfile.savePIPEA_GMCH_DATA_N); - I915_WRITE(_PIPEB_GMCH_DATA_N, dev_priv->regfile.savePIPEB_GMCH_DATA_N); - I915_WRITE(_PIPEA_DP_LINK_M, dev_priv->regfile.savePIPEA_DP_LINK_M); - I915_WRITE(_PIPEB_DP_LINK_M, dev_priv->regfile.savePIPEB_DP_LINK_M); - I915_WRITE(_PIPEA_DP_LINK_N, dev_priv->regfile.savePIPEA_DP_LINK_N); - I915_WRITE(_PIPEB_DP_LINK_N, dev_priv->regfile.savePIPEB_DP_LINK_N); - } - } - - /* This is only meaningful in non-KMS mode */ - /* Don't restore them in KMS mode */ - i915_restore_modeset_reg(dev); - - /* LVDS state */ - if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) - I915_WRITE(BLC_PWM_CTL2, dev_priv->regfile.saveBLC_PWM_CTL2); - - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(PCH_LVDS, dev_priv->regfile.saveLVDS); - } else if (IS_MOBILE(dev) && !IS_I830(dev)) - I915_WRITE(LVDS, dev_priv->regfile.saveLVDS); - - if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) - I915_WRITE(PFIT_CONTROL, dev_priv->regfile.savePFIT_CONTROL); - - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(BLC_PWM_PCH_CTL1, dev_priv->regfile.saveBLC_PWM_CTL); - I915_WRITE(BLC_PWM_PCH_CTL2, dev_priv->regfile.saveBLC_PWM_CTL2); - /* NOTE: BLC_PWM_CPU_CTL must be written after BLC_PWM_CPU_CTL2; - * otherwise we get blank eDP screen after S3 on some machines - */ - I915_WRITE(BLC_PWM_CPU_CTL2, dev_priv->regfile.saveBLC_CPU_PWM_CTL2); - I915_WRITE(BLC_PWM_CPU_CTL, dev_priv->regfile.saveBLC_CPU_PWM_CTL); - I915_WRITE(PCH_PP_ON_DELAYS, dev_priv->regfile.savePP_ON_DELAYS); - I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->regfile.savePP_OFF_DELAYS); - I915_WRITE(PCH_PP_DIVISOR, dev_priv->regfile.savePP_DIVISOR); - I915_WRITE(PCH_PP_CONTROL, dev_priv->regfile.savePP_CONTROL); - I915_WRITE(RSTDBYCTL, - dev_priv->regfile.saveMCHBAR_RENDER_STANDBY); - } else { - I915_WRITE(PFIT_PGM_RATIOS, dev_priv->regfile.savePFIT_PGM_RATIOS); - I915_WRITE(BLC_PWM_CTL, dev_priv->regfile.saveBLC_PWM_CTL); - I915_WRITE(BLC_HIST_CTL, dev_priv->regfile.saveBLC_HIST_CTL); - I915_WRITE(PP_ON_DELAYS, dev_priv->regfile.savePP_ON_DELAYS); - I915_WRITE(PP_OFF_DELAYS, dev_priv->regfile.savePP_OFF_DELAYS); - I915_WRITE(PP_DIVISOR, dev_priv->regfile.savePP_DIVISOR); - I915_WRITE(PP_CONTROL, dev_priv->regfile.savePP_CONTROL); - } - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Display Port state */ - if (SUPPORTS_INTEGRATED_DP(dev)) { - I915_WRITE(DP_B, dev_priv->regfile.saveDP_B); - I915_WRITE(DP_C, dev_priv->regfile.saveDP_C); - I915_WRITE(DP_D, dev_priv->regfile.saveDP_D); - } - /* FIXME: restore TV & SDVO state */ - } - - /* only restore FBC info on the platform that supports FBC*/ - intel_disable_fbc(dev); - if (I915_HAS_FBC(dev)) { - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(ILK_DPFC_CB_BASE, dev_priv->regfile.saveDPFC_CB_BASE); - } else if (IS_GM45(dev)) { - I915_WRITE(DPFC_CB_BASE, dev_priv->regfile.saveDPFC_CB_BASE); - } else { - I915_WRITE(FBC_CFB_BASE, dev_priv->regfile.saveFBC_CFB_BASE); - I915_WRITE(FBC_LL_BASE, dev_priv->regfile.saveFBC_LL_BASE); - I915_WRITE(FBC_CONTROL2, dev_priv->regfile.saveFBC_CONTROL2); - I915_WRITE(FBC_CONTROL, dev_priv->regfile.saveFBC_CONTROL); - } - } - /* VGA state */ - if (HAS_PCH_SPLIT(dev)) - I915_WRITE(CPU_VGACNTRL, dev_priv->regfile.saveVGACNTRL); - else - I915_WRITE(VGACNTRL, dev_priv->regfile.saveVGACNTRL); - - I915_WRITE(VGA0, dev_priv->regfile.saveVGA0); - I915_WRITE(VGA1, dev_priv->regfile.saveVGA1); - I915_WRITE(VGA_PD, dev_priv->regfile.saveVGA_PD); - POSTING_READ(VGA_PD); - udelay(150); - - i915_restore_vga(dev); -} - -int i915_save_state(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - - pci_read_config_byte(dev->dev, LBB, &dev_priv->regfile.saveLBB); - - DRM_LOCK(dev); - - i915_save_display(dev); - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Interrupt state */ - if (HAS_PCH_SPLIT(dev)) { - dev_priv->regfile.saveDEIER = I915_READ(DEIER); - dev_priv->regfile.saveDEIMR = I915_READ(DEIMR); - dev_priv->regfile.saveGTIER = I915_READ(GTIER); - dev_priv->regfile.saveGTIMR = I915_READ(GTIMR); - dev_priv->regfile.saveFDI_RXA_IMR = I915_READ(_FDI_RXA_IMR); - dev_priv->regfile.saveFDI_RXB_IMR = I915_READ(_FDI_RXB_IMR); - dev_priv->regfile.saveMCHBAR_RENDER_STANDBY = - I915_READ(RSTDBYCTL); - dev_priv->regfile.savePCH_PORT_HOTPLUG = I915_READ(PCH_PORT_HOTPLUG); - } else { - dev_priv->regfile.saveIER = I915_READ(IER); - dev_priv->regfile.saveIMR = I915_READ(IMR); - } - } - - intel_disable_gt_powersave(dev); - - /* Cache mode state */ - dev_priv->regfile.saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); - - /* Memory Arbitration state */ - dev_priv->regfile.saveMI_ARB_STATE = I915_READ(MI_ARB_STATE); - - /* Scratch space */ - for (i = 0; i < 16; i++) { - dev_priv->regfile.saveSWF0[i] = I915_READ(SWF00 + (i << 2)); - dev_priv->regfile.saveSWF1[i] = I915_READ(SWF10 + (i << 2)); - } - for (i = 0; i < 3; i++) - dev_priv->regfile.saveSWF2[i] = I915_READ(SWF30 + (i << 2)); - - DRM_UNLOCK(dev); - - return 0; -} - -int i915_restore_state(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - - pci_write_config_byte(dev->dev, LBB, dev_priv->regfile.saveLBB); - - DRM_LOCK(dev); - - i915_restore_display(dev); - - if (!drm_core_check_feature(dev, DRIVER_MODESET)) { - /* Interrupt state */ - if (HAS_PCH_SPLIT(dev)) { - I915_WRITE(DEIER, dev_priv->regfile.saveDEIER); - I915_WRITE(DEIMR, dev_priv->regfile.saveDEIMR); - I915_WRITE(GTIER, dev_priv->regfile.saveGTIER); - I915_WRITE(GTIMR, dev_priv->regfile.saveGTIMR); - I915_WRITE(_FDI_RXA_IMR, dev_priv->regfile.saveFDI_RXA_IMR); - I915_WRITE(_FDI_RXB_IMR, dev_priv->regfile.saveFDI_RXB_IMR); - I915_WRITE(PCH_PORT_HOTPLUG, dev_priv->regfile.savePCH_PORT_HOTPLUG); - } else { - I915_WRITE(IER, dev_priv->regfile.saveIER); - I915_WRITE(IMR, dev_priv->regfile.saveIMR); - } - } - - /* Cache mode state */ - I915_WRITE(CACHE_MODE_0, dev_priv->regfile.saveCACHE_MODE_0 | 0xffff0000); - - /* Memory arbitration state */ - I915_WRITE(MI_ARB_STATE, dev_priv->regfile.saveMI_ARB_STATE | 0xffff0000); - - for (i = 0; i < 16; i++) { - I915_WRITE(SWF00 + (i << 2), dev_priv->regfile.saveSWF0[i]); - I915_WRITE(SWF10 + (i << 2), dev_priv->regfile.saveSWF1[i]); - } - for (i = 0; i < 3; i++) - I915_WRITE(SWF30 + (i << 2), dev_priv->regfile.saveSWF2[i]); - - DRM_UNLOCK(dev); - - intel_i2c_reset(dev); - - return 0; -} |