--- sys/dev/drm/i915_suspend.c.orig 2012-01-13 01:01:04.000000000 -0200 +++ sys/dev/drm/i915_suspend.c 2012-01-13 11:18:07.000000000 -0200 @@ -1,7 +1,4 @@ -/* i915_suspend.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*- - */ -/* - * +/*- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * @@ -28,58 +25,72 @@ */ #include -__FBSDID("$FreeBSD: head/sys/dev/drm/i915_suspend.c 190164 2009-03-20 17:51:26Z rnoland $"); - #include "dev/drm/drmP.h" #include "dev/drm/drm.h" #include "dev/drm/i915_drm.h" -#include "dev/drm/i915_drv.h" +#include "dev/drm/intel_drv.h" +#include "dev/drm/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; + + if (pipe > 1) + return false; if (pipe == PIPE_A) - return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE); + return (I915_READ(_DPLL_A) & DPLL_VCO_ENABLE); + if (HAS_PCH_SPLIT(dev)) + dpll_reg = PCH_DPLL(pipe); else - return (I915_READ(DPLL_B) & DPLL_VCO_ENABLE); + 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); + 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->save_palette_a; else array = dev_priv->save_palette_b; - for(i = 0; i < 256; i++) + 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); + 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->save_palette_a; else array = dev_priv->save_palette_b; - for(i = 0; i < 256; i++) + for (i = 0; i < 256; i++) I915_WRITE(reg + (i << 2), array[i]); } @@ -228,290 +239,667 @@ I915_WRITE8(VGA_DACMASK, dev_priv->saveDACMASK); } -int i915_save_state(struct drm_device *dev) +static void i915_save_modeset_reg(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int i; -#if defined(__FreeBSD__) - dev_priv->saveLBB = (u8) pci_read_config(dev->device, LBB, 1); -#else - pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); -#endif - - /* Render Standby */ - if (IS_I965G(dev) && IS_MOBILE(dev)) - dev_priv->saveRENDERSTANDBY = I915_READ(MCHBAR_RENDER_STANDBY); - - /* Hardware status page */ - dev_priv->saveHWS = I915_READ(HWS_PGA); + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return; - /* Display arbitration control */ - dev_priv->saveDSPARB = I915_READ(DSPARB); + /* Cursor state */ + dev_priv->saveCURACNTR = I915_READ(_CURACNTR); + dev_priv->saveCURAPOS = I915_READ(_CURAPOS); + dev_priv->saveCURABASE = I915_READ(_CURABASE); + dev_priv->saveCURBCNTR = I915_READ(_CURBCNTR); + dev_priv->saveCURBPOS = I915_READ(_CURBPOS); + dev_priv->saveCURBBASE = I915_READ(_CURBBASE); + if (IS_GEN2(dev)) + dev_priv->saveCURSIZE = I915_READ(CURSIZE); + + if (HAS_PCH_SPLIT(dev)) { + dev_priv->savePCH_DREF_CONTROL = I915_READ(PCH_DREF_CONTROL); + dev_priv->saveDISP_ARB_CTL = I915_READ(DISP_ARB_CTL); + } /* Pipe & plane A info */ - dev_priv->savePIPEACONF = I915_READ(PIPEACONF); - dev_priv->savePIPEASRC = I915_READ(PIPEASRC); - dev_priv->saveFPA0 = I915_READ(FPA0); - dev_priv->saveFPA1 = I915_READ(FPA1); - dev_priv->saveDPLL_A = I915_READ(DPLL_A); - if (IS_I965G(dev)) - dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD); - dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A); - dev_priv->saveHBLANK_A = I915_READ(HBLANK_A); - dev_priv->saveHSYNC_A = I915_READ(HSYNC_A); - dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A); - dev_priv->saveVBLANK_A = I915_READ(VBLANK_A); - dev_priv->saveVSYNC_A = I915_READ(VSYNC_A); - dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); - - dev_priv->saveDSPACNTR = I915_READ(DSPACNTR); - dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE); - dev_priv->saveDSPASIZE = I915_READ(DSPASIZE); - dev_priv->saveDSPAPOS = I915_READ(DSPAPOS); - dev_priv->saveDSPAADDR = I915_READ(DSPAADDR); - if (IS_I965G(dev)) { - dev_priv->saveDSPASURF = I915_READ(DSPASURF); - dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF); + dev_priv->savePIPEACONF = I915_READ(_PIPEACONF); + dev_priv->savePIPEASRC = I915_READ(_PIPEASRC); + if (HAS_PCH_SPLIT(dev)) { + dev_priv->saveFPA0 = I915_READ(_PCH_FPA0); + dev_priv->saveFPA1 = I915_READ(_PCH_FPA1); + dev_priv->saveDPLL_A = I915_READ(_PCH_DPLL_A); + } else { + dev_priv->saveFPA0 = I915_READ(_FPA0); + dev_priv->saveFPA1 = I915_READ(_FPA1); + dev_priv->saveDPLL_A = I915_READ(_DPLL_A); + } + if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) + dev_priv->saveDPLL_A_MD = I915_READ(_DPLL_A_MD); + dev_priv->saveHTOTAL_A = I915_READ(_HTOTAL_A); + dev_priv->saveHBLANK_A = I915_READ(_HBLANK_A); + dev_priv->saveHSYNC_A = I915_READ(_HSYNC_A); + dev_priv->saveVTOTAL_A = I915_READ(_VTOTAL_A); + dev_priv->saveVBLANK_A = I915_READ(_VBLANK_A); + dev_priv->saveVSYNC_A = I915_READ(_VSYNC_A); + if (!HAS_PCH_SPLIT(dev)) + dev_priv->saveBCLRPAT_A = I915_READ(_BCLRPAT_A); + + if (HAS_PCH_SPLIT(dev)) { + dev_priv->savePIPEA_DATA_M1 = I915_READ(_PIPEA_DATA_M1); + dev_priv->savePIPEA_DATA_N1 = I915_READ(_PIPEA_DATA_N1); + dev_priv->savePIPEA_LINK_M1 = I915_READ(_PIPEA_LINK_M1); + dev_priv->savePIPEA_LINK_N1 = I915_READ(_PIPEA_LINK_N1); + + dev_priv->saveFDI_TXA_CTL = I915_READ(_FDI_TXA_CTL); + dev_priv->saveFDI_RXA_CTL = I915_READ(_FDI_RXA_CTL); + + dev_priv->savePFA_CTL_1 = I915_READ(_PFA_CTL_1); + dev_priv->savePFA_WIN_SZ = I915_READ(_PFA_WIN_SZ); + dev_priv->savePFA_WIN_POS = I915_READ(_PFA_WIN_POS); + + dev_priv->saveTRANSACONF = I915_READ(_TRANSACONF); + dev_priv->saveTRANS_HTOTAL_A = I915_READ(_TRANS_HTOTAL_A); + dev_priv->saveTRANS_HBLANK_A = I915_READ(_TRANS_HBLANK_A); + dev_priv->saveTRANS_HSYNC_A = I915_READ(_TRANS_HSYNC_A); + dev_priv->saveTRANS_VTOTAL_A = I915_READ(_TRANS_VTOTAL_A); + dev_priv->saveTRANS_VBLANK_A = I915_READ(_TRANS_VBLANK_A); + dev_priv->saveTRANS_VSYNC_A = I915_READ(_TRANS_VSYNC_A); + } + + dev_priv->saveDSPACNTR = I915_READ(_DSPACNTR); + dev_priv->saveDSPASTRIDE = I915_READ(_DSPASTRIDE); + dev_priv->saveDSPASIZE = I915_READ(_DSPASIZE); + dev_priv->saveDSPAPOS = I915_READ(_DSPAPOS); + dev_priv->saveDSPAADDR = I915_READ(_DSPAADDR); + if (INTEL_INFO(dev)->gen >= 4) { + dev_priv->saveDSPASURF = I915_READ(_DSPASURF); + dev_priv->saveDSPATILEOFF = I915_READ(_DSPATILEOFF); } i915_save_palette(dev, PIPE_A); - dev_priv->savePIPEASTAT = I915_READ(PIPEASTAT); + dev_priv->savePIPEASTAT = I915_READ(_PIPEASTAT); /* Pipe & plane B info */ - dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF); - dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC); - dev_priv->saveFPB0 = I915_READ(FPB0); - dev_priv->saveFPB1 = I915_READ(FPB1); - dev_priv->saveDPLL_B = I915_READ(DPLL_B); - if (IS_I965G(dev)) - dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD); - dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B); - dev_priv->saveHBLANK_B = I915_READ(HBLANK_B); - dev_priv->saveHSYNC_B = I915_READ(HSYNC_B); - dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B); - dev_priv->saveVBLANK_B = I915_READ(VBLANK_B); - dev_priv->saveVSYNC_B = I915_READ(VSYNC_B); - dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); - - dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR); - dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE); - dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE); - dev_priv->saveDSPBPOS = I915_READ(DSPBPOS); - dev_priv->saveDSPBADDR = I915_READ(DSPBADDR); - if (IS_I965GM(dev) || IS_GM45(dev)) { - dev_priv->saveDSPBSURF = I915_READ(DSPBSURF); - dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF); - } - i915_save_palette(dev, PIPE_B); - dev_priv->savePIPEBSTAT = I915_READ(PIPEBSTAT); - - /* CRT state */ - dev_priv->saveADPA = I915_READ(ADPA); - - /* LVDS state */ - dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL); - dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); - dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); - if (IS_I965G(dev)) - dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); - if (IS_MOBILE(dev) && !IS_I830(dev)) - dev_priv->saveLVDS = I915_READ(LVDS); - if (!IS_I830(dev) && !IS_845G(dev)) - dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL); - dev_priv->savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS); - dev_priv->savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS); - dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR); - - /* FIXME: save TV & SDVO state */ - - /* FBC state */ - dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE); - dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE); - dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2); - dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL); - - /* Interrupt state */ - dev_priv->saveIIR = I915_READ(IIR); - dev_priv->saveIER = I915_READ(IER); - dev_priv->saveIMR = I915_READ(IMR); - - /* VGA state */ - dev_priv->saveVGA0 = I915_READ(VGA0); - dev_priv->saveVGA1 = I915_READ(VGA1); - dev_priv->saveVGA_PD = I915_READ(VGA_PD); - dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); - - /* Clock gating state */ - dev_priv->saveD_STATE = I915_READ(D_STATE); - dev_priv->saveCG_2D_DIS = I915_READ(CG_2D_DIS); + dev_priv->savePIPEBCONF = I915_READ(_PIPEBCONF); + dev_priv->savePIPEBSRC = I915_READ(_PIPEBSRC); + if (HAS_PCH_SPLIT(dev)) { + dev_priv->saveFPB0 = I915_READ(_PCH_FPB0); + dev_priv->saveFPB1 = I915_READ(_PCH_FPB1); + dev_priv->saveDPLL_B = I915_READ(_PCH_DPLL_B); + } else { + dev_priv->saveFPB0 = I915_READ(_FPB0); + dev_priv->saveFPB1 = I915_READ(_FPB1); + dev_priv->saveDPLL_B = I915_READ(_DPLL_B); - /* Cache mode state */ - dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); - - /* Memory Arbitration state */ - dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE); - - /* Scratch space */ - for (i = 0; i < 16; i++) { - dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2)); - dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2)); } - for (i = 0; i < 3; i++) - dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2)); + if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) + dev_priv->saveDPLL_B_MD = I915_READ(_DPLL_B_MD); + dev_priv->saveHTOTAL_B = I915_READ(_HTOTAL_B); + dev_priv->saveHBLANK_B = I915_READ(_HBLANK_B); + dev_priv->saveHSYNC_B = I915_READ(_HSYNC_B); + dev_priv->saveVTOTAL_B = I915_READ(_VTOTAL_B); + dev_priv->saveVBLANK_B = I915_READ(_VBLANK_B); + dev_priv->saveVSYNC_B = I915_READ(_VSYNC_B); + if (!HAS_PCH_SPLIT(dev)) + dev_priv->saveBCLRPAT_B = I915_READ(_BCLRPAT_B); + + if (HAS_PCH_SPLIT(dev)) { + dev_priv->savePIPEB_DATA_M1 = I915_READ(_PIPEB_DATA_M1); + dev_priv->savePIPEB_DATA_N1 = I915_READ(_PIPEB_DATA_N1); + dev_priv->savePIPEB_LINK_M1 = I915_READ(_PIPEB_LINK_M1); + dev_priv->savePIPEB_LINK_N1 = I915_READ(_PIPEB_LINK_N1); + + dev_priv->saveFDI_TXB_CTL = I915_READ(_FDI_TXB_CTL); + dev_priv->saveFDI_RXB_CTL = I915_READ(_FDI_RXB_CTL); + + dev_priv->savePFB_CTL_1 = I915_READ(_PFB_CTL_1); + dev_priv->savePFB_WIN_SZ = I915_READ(_PFB_WIN_SZ); + dev_priv->savePFB_WIN_POS = I915_READ(_PFB_WIN_POS); + + dev_priv->saveTRANSBCONF = I915_READ(_TRANSBCONF); + dev_priv->saveTRANS_HTOTAL_B = I915_READ(_TRANS_HTOTAL_B); + dev_priv->saveTRANS_HBLANK_B = I915_READ(_TRANS_HBLANK_B); + dev_priv->saveTRANS_HSYNC_B = I915_READ(_TRANS_HSYNC_B); + dev_priv->saveTRANS_VTOTAL_B = I915_READ(_TRANS_VTOTAL_B); + dev_priv->saveTRANS_VBLANK_B = I915_READ(_TRANS_VBLANK_B); + dev_priv->saveTRANS_VSYNC_B = I915_READ(_TRANS_VSYNC_B); + } - i915_save_vga(dev); + dev_priv->saveDSPBCNTR = I915_READ(_DSPBCNTR); + dev_priv->saveDSPBSTRIDE = I915_READ(_DSPBSTRIDE); + dev_priv->saveDSPBSIZE = I915_READ(_DSPBSIZE); + dev_priv->saveDSPBPOS = I915_READ(_DSPBPOS); + dev_priv->saveDSPBADDR = I915_READ(_DSPBADDR); + if (INTEL_INFO(dev)->gen >= 4) { + dev_priv->saveDSPBSURF = I915_READ(_DSPBSURF); + dev_priv->saveDSPBTILEOFF = I915_READ(_DSPBTILEOFF); + } + i915_save_palette(dev, PIPE_B); + dev_priv->savePIPEBSTAT = I915_READ(_PIPEBSTAT); + + /* Fences */ + switch (INTEL_INFO(dev)->gen) { + case 7: + case 6: + for (i = 0; i < 16; i++) + dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8)); + break; + case 5: + case 4: + for (i = 0; i < 16; i++) + dev_priv->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->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4)); + case 2: + for (i = 0; i < 8; i++) + dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4)); + break; + } - return 0; + return; } -int i915_restore_state(struct drm_device *dev) +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 defined(__FreeBSD__) - pci_write_config(dev->device, LBB, dev_priv->saveLBB, 1); -#else - pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB); -#endif - - /* Render Standby */ - if (IS_I965G(dev) && IS_MOBILE(dev)) - I915_WRITE(MCHBAR_RENDER_STANDBY, dev_priv->saveRENDERSTANDBY); + 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->saveFENCE[i]); + break; + case 5: + case 4: + for (i = 0; i < 16; i++) + I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->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->saveFENCE[i+8]); + for (i = 0; i < 8; i++) + I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]); + break; + } - /* Hardware status page */ - I915_WRITE(HWS_PGA, dev_priv->saveHWS); + 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->savePCH_DREF_CONTROL); + I915_WRITE(DISP_ARB_CTL, dev_priv->saveDISP_ARB_CTL); + } - /* Display arbitration */ - I915_WRITE(DSPARB, dev_priv->saveDSPARB); /* Pipe & plane A info */ /* Prime the clock */ if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) { - I915_WRITE(DPLL_A, dev_priv->saveDPLL_A & + I915_WRITE(dpll_a_reg, dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE); + POSTING_READ(dpll_a_reg); DRM_UDELAY(150); } - I915_WRITE(FPA0, dev_priv->saveFPA0); - I915_WRITE(FPA1, dev_priv->saveFPA1); + I915_WRITE(fpa0_reg, dev_priv->saveFPA0); + I915_WRITE(fpa1_reg, dev_priv->saveFPA1); /* Actually enable it */ - I915_WRITE(DPLL_A, dev_priv->saveDPLL_A); + I915_WRITE(_DPLL_A, dev_priv->saveDPLL_A); DRM_UDELAY(150); - if (IS_I965G(dev)) - I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD); + if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) { + I915_WRITE(_DPLL_A_MD, dev_priv->saveDPLL_A_MD); + POSTING_READ(_DPLL_A_MD); + } DRM_UDELAY(150); /* Restore mode */ - I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A); - I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A); - I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A); - I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A); - I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A); - I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A); - I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A); + I915_WRITE(_HTOTAL_A, dev_priv->saveHTOTAL_A); + I915_WRITE(_HBLANK_A, dev_priv->saveHBLANK_A); + I915_WRITE(_HSYNC_A, dev_priv->saveHSYNC_A); + I915_WRITE(_VTOTAL_A, dev_priv->saveVTOTAL_A); + I915_WRITE(_VBLANK_A, dev_priv->saveVBLANK_A); + I915_WRITE(_VSYNC_A, dev_priv->saveVSYNC_A); + if (!HAS_PCH_SPLIT(dev)) + I915_WRITE(_BCLRPAT_A, dev_priv->saveBCLRPAT_A); + + if (HAS_PCH_SPLIT(dev)) { + I915_WRITE(_PIPEA_DATA_M1, dev_priv->savePIPEA_DATA_M1); + I915_WRITE(_PIPEA_DATA_N1, dev_priv->savePIPEA_DATA_N1); + I915_WRITE(_PIPEA_LINK_M1, dev_priv->savePIPEA_LINK_M1); + I915_WRITE(_PIPEA_LINK_N1, dev_priv->savePIPEA_LINK_N1); + + I915_WRITE(_FDI_RXA_CTL, dev_priv->saveFDI_RXA_CTL); + I915_WRITE(_FDI_TXA_CTL, dev_priv->saveFDI_TXA_CTL); + + I915_WRITE(_PFA_CTL_1, dev_priv->savePFA_CTL_1); + I915_WRITE(_PFA_WIN_SZ, dev_priv->savePFA_WIN_SZ); + I915_WRITE(_PFA_WIN_POS, dev_priv->savePFA_WIN_POS); + + I915_WRITE(_TRANSACONF, dev_priv->saveTRANSACONF); + I915_WRITE(_TRANS_HTOTAL_A, dev_priv->saveTRANS_HTOTAL_A); + I915_WRITE(_TRANS_HBLANK_A, dev_priv->saveTRANS_HBLANK_A); + I915_WRITE(_TRANS_HSYNC_A, dev_priv->saveTRANS_HSYNC_A); + I915_WRITE(_TRANS_VTOTAL_A, dev_priv->saveTRANS_VTOTAL_A); + I915_WRITE(_TRANS_VBLANK_A, dev_priv->saveTRANS_VBLANK_A); + I915_WRITE(_TRANS_VSYNC_A, dev_priv->saveTRANS_VSYNC_A); + } /* Restore plane info */ - I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE); - I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS); - I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC); - I915_WRITE(DSPAADDR, dev_priv->saveDSPAADDR); - I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE); - if (IS_I965G(dev)) { - I915_WRITE(DSPASURF, dev_priv->saveDSPASURF); - I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF); + I915_WRITE(_DSPASIZE, dev_priv->saveDSPASIZE); + I915_WRITE(_DSPAPOS, dev_priv->saveDSPAPOS); + I915_WRITE(_PIPEASRC, dev_priv->savePIPEASRC); + I915_WRITE(_DSPAADDR, dev_priv->saveDSPAADDR); + I915_WRITE(_DSPASTRIDE, dev_priv->saveDSPASTRIDE); + if (INTEL_INFO(dev)->gen >= 4) { + I915_WRITE(_DSPASURF, dev_priv->saveDSPASURF); + I915_WRITE(_DSPATILEOFF, dev_priv->saveDSPATILEOFF); } - I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF); + I915_WRITE(_PIPEACONF, dev_priv->savePIPEACONF); i915_restore_palette(dev, PIPE_A); /* Enable the plane */ - I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR); - I915_WRITE(DSPAADDR, I915_READ(DSPAADDR)); + I915_WRITE(_DSPACNTR, dev_priv->saveDSPACNTR); + I915_WRITE(_DSPAADDR, I915_READ(_DSPAADDR)); /* Pipe & plane B info */ if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) { - I915_WRITE(DPLL_B, dev_priv->saveDPLL_B & + I915_WRITE(dpll_b_reg, dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE); + POSTING_READ(dpll_b_reg); DRM_UDELAY(150); } - I915_WRITE(FPB0, dev_priv->saveFPB0); - I915_WRITE(FPB1, dev_priv->saveFPB1); + I915_WRITE(fpb0_reg, dev_priv->saveFPB0); + I915_WRITE(fpb1_reg, dev_priv->saveFPB1); + /* Actually enable it */ - I915_WRITE(DPLL_B, dev_priv->saveDPLL_B); + I915_WRITE(dpll_b_reg, dev_priv->saveDPLL_B); + POSTING_READ(dpll_b_reg); DRM_UDELAY(150); - if (IS_I965G(dev)) - I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD); + if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) { + I915_WRITE(_DPLL_B_MD, dev_priv->saveDPLL_B_MD); + POSTING_READ(_DPLL_B_MD); + } DRM_UDELAY(150); /* Restore mode */ - I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B); - I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B); - I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B); - I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B); - I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B); - I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B); - I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B); + I915_WRITE(_HTOTAL_B, dev_priv->saveHTOTAL_B); + I915_WRITE(_HBLANK_B, dev_priv->saveHBLANK_B); + I915_WRITE(_HSYNC_B, dev_priv->saveHSYNC_B); + I915_WRITE(_VTOTAL_B, dev_priv->saveVTOTAL_B); + I915_WRITE(_VBLANK_B, dev_priv->saveVBLANK_B); + I915_WRITE(_VSYNC_B, dev_priv->saveVSYNC_B); + if (!HAS_PCH_SPLIT(dev)) + I915_WRITE(_BCLRPAT_B, dev_priv->saveBCLRPAT_B); + + if (HAS_PCH_SPLIT(dev)) { + I915_WRITE(_PIPEB_DATA_M1, dev_priv->savePIPEB_DATA_M1); + I915_WRITE(_PIPEB_DATA_N1, dev_priv->savePIPEB_DATA_N1); + I915_WRITE(_PIPEB_LINK_M1, dev_priv->savePIPEB_LINK_M1); + I915_WRITE(_PIPEB_LINK_N1, dev_priv->savePIPEB_LINK_N1); + + I915_WRITE(_FDI_RXB_CTL, dev_priv->saveFDI_RXB_CTL); + I915_WRITE(_FDI_TXB_CTL, dev_priv->saveFDI_TXB_CTL); + + I915_WRITE(_PFB_CTL_1, dev_priv->savePFB_CTL_1); + I915_WRITE(_PFB_WIN_SZ, dev_priv->savePFB_WIN_SZ); + I915_WRITE(_PFB_WIN_POS, dev_priv->savePFB_WIN_POS); + + I915_WRITE(_TRANSBCONF, dev_priv->saveTRANSBCONF); + I915_WRITE(_TRANS_HTOTAL_B, dev_priv->saveTRANS_HTOTAL_B); + I915_WRITE(_TRANS_HBLANK_B, dev_priv->saveTRANS_HBLANK_B); + I915_WRITE(_TRANS_HSYNC_B, dev_priv->saveTRANS_HSYNC_B); + I915_WRITE(_TRANS_VTOTAL_B, dev_priv->saveTRANS_VTOTAL_B); + I915_WRITE(_TRANS_VBLANK_B, dev_priv->saveTRANS_VBLANK_B); + I915_WRITE(_TRANS_VSYNC_B, dev_priv->saveTRANS_VSYNC_B); + } /* Restore plane info */ - I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE); - I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS); - I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC); - I915_WRITE(DSPBADDR, dev_priv->saveDSPBADDR); - I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE); - if (IS_I965G(dev)) { - I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF); - I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF); + I915_WRITE(_DSPBSIZE, dev_priv->saveDSPBSIZE); + I915_WRITE(_DSPBPOS, dev_priv->saveDSPBPOS); + I915_WRITE(_PIPEBSRC, dev_priv->savePIPEBSRC); + I915_WRITE(_DSPBADDR, dev_priv->saveDSPBADDR); + I915_WRITE(_DSPBSTRIDE, dev_priv->saveDSPBSTRIDE); + if (INTEL_INFO(dev)->gen >= 4) { + I915_WRITE(_DSPBSURF, dev_priv->saveDSPBSURF); + I915_WRITE(_DSPBTILEOFF, dev_priv->saveDSPBTILEOFF); } - I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF); + I915_WRITE(_PIPEBCONF, dev_priv->savePIPEBCONF); i915_restore_palette(dev, PIPE_B); /* Enable the plane */ - I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR); - I915_WRITE(DSPBADDR, I915_READ(DSPBADDR)); + I915_WRITE(_DSPBCNTR, dev_priv->saveDSPBCNTR); + I915_WRITE(_DSPBADDR, I915_READ(_DSPBADDR)); + + /* Cursor state */ + I915_WRITE(_CURAPOS, dev_priv->saveCURAPOS); + I915_WRITE(_CURACNTR, dev_priv->saveCURACNTR); + I915_WRITE(_CURABASE, dev_priv->saveCURABASE); + I915_WRITE(_CURBPOS, dev_priv->saveCURBPOS); + I915_WRITE(_CURBCNTR, dev_priv->saveCURBCNTR); + I915_WRITE(_CURBBASE, dev_priv->saveCURBBASE); + if (IS_GEN2(dev)) + I915_WRITE(CURSIZE, dev_priv->saveCURSIZE); + + return; + } + + static void i915_save_display(struct drm_device *dev) + { + struct drm_i915_private *dev_priv = dev->dev_private; + + /* Display arbitration control */ + dev_priv->saveDSPARB = I915_READ(DSPARB); + + /* This is only meaningful in non-KMS mode */ + /* Don't save them in KMS mode */ + i915_save_modeset_reg(dev); + + /* CRT state */ + if (HAS_PCH_SPLIT(dev)) { + dev_priv->saveADPA = I915_READ(PCH_ADPA); + } else { + dev_priv->saveADPA = I915_READ(ADPA); + } + + /* LVDS state */ + if (HAS_PCH_SPLIT(dev)) { + dev_priv->savePP_CONTROL = I915_READ(PCH_PP_CONTROL); + dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_PCH_CTL1); + dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_PCH_CTL2); + dev_priv->saveBLC_CPU_PWM_CTL = I915_READ(BLC_PWM_CPU_CTL); + dev_priv->saveBLC_CPU_PWM_CTL2 = I915_READ(BLC_PWM_CPU_CTL2); + dev_priv->saveLVDS = I915_READ(PCH_LVDS); + } else { + + dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL); + dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); + dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); + dev_priv->saveBLC_HIST_CTL = I915_READ(BLC_HIST_CTL); + if (INTEL_INFO(dev)->gen >= 4) + dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); + if (IS_MOBILE(dev) && !IS_I830(dev)) + dev_priv->saveLVDS = I915_READ(LVDS); + } + + if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) + dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL); + + if (HAS_PCH_SPLIT(dev)) { + dev_priv->savePP_ON_DELAYS = I915_READ(PCH_PP_ON_DELAYS); + dev_priv->savePP_OFF_DELAYS = I915_READ(PCH_PP_OFF_DELAYS); + dev_priv->savePP_DIVISOR = I915_READ(PCH_PP_DIVISOR); + } else { + dev_priv->savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS); + dev_priv->savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS); + dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR); + } + + /* Display Port state */ + if (SUPPORTS_INTEGRATED_DP(dev)) { + dev_priv->saveDP_B = I915_READ(DP_B); + dev_priv->saveDP_C = I915_READ(DP_C); + dev_priv->saveDP_D = I915_READ(DP_D); + dev_priv->savePIPEA_GMCH_DATA_M = I915_READ(_PIPEA_GMCH_DATA_M); + dev_priv->savePIPEB_GMCH_DATA_M = I915_READ(_PIPEB_GMCH_DATA_M); + dev_priv->savePIPEA_GMCH_DATA_N = I915_READ(_PIPEA_GMCH_DATA_N); + dev_priv->savePIPEB_GMCH_DATA_N = I915_READ(_PIPEB_GMCH_DATA_N); + dev_priv->savePIPEA_DP_LINK_M = I915_READ(_PIPEA_DP_LINK_M); + dev_priv->savePIPEB_DP_LINK_M = I915_READ(_PIPEB_DP_LINK_M); + dev_priv->savePIPEA_DP_LINK_N = I915_READ(_PIPEA_DP_LINK_N); + dev_priv->savePIPEB_DP_LINK_N = I915_READ(_PIPEB_DP_LINK_N); + } + /* FIXME: save TV & SDVO state */ + + /* Only save FBC state on the platform that supports FBC */ + if (I915_HAS_FBC(dev)) { + if (HAS_PCH_SPLIT(dev)) { + dev_priv->saveDPFC_CB_BASE = I915_READ(ILK_DPFC_CB_BASE); + } else if (IS_GM45(dev)) { + dev_priv->saveDPFC_CB_BASE = I915_READ(DPFC_CB_BASE); + } else { + dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE); + dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE); + dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2); + dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL); + } + } + + /* VGA state */ + dev_priv->saveVGA0 = I915_READ(VGA0); + dev_priv->saveVGA1 = I915_READ(VGA1); + dev_priv->saveVGA_PD = I915_READ(VGA_PD); + if (HAS_PCH_SPLIT(dev)) + dev_priv->saveVGACNTRL = I915_READ(CPU_VGACNTRL); + else + dev_priv->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->saveDSPARB); + + /* Display port ratios (must be done before clock is set) */ + if (SUPPORTS_INTEGRATED_DP(dev)) { + I915_WRITE(_PIPEA_GMCH_DATA_M, dev_priv->savePIPEA_GMCH_DATA_M); + I915_WRITE(_PIPEB_GMCH_DATA_M, dev_priv->savePIPEB_GMCH_DATA_M); + I915_WRITE(_PIPEA_GMCH_DATA_N, dev_priv->savePIPEA_GMCH_DATA_N); + I915_WRITE(_PIPEB_GMCH_DATA_N, dev_priv->savePIPEB_GMCH_DATA_N); + I915_WRITE(_PIPEA_DP_LINK_M, dev_priv->savePIPEA_DP_LINK_M); + I915_WRITE(_PIPEB_DP_LINK_M, dev_priv->savePIPEB_DP_LINK_M); + I915_WRITE(_PIPEA_DP_LINK_N, dev_priv->savePIPEA_DP_LINK_N); + I915_WRITE(_PIPEB_DP_LINK_N, dev_priv->savePIPEB_DP_LINK_N); + } + + /* This is only meaningful in non-KMS mode */ + /* Don't restore them in KMS mode */ + i915_restore_modeset_reg(dev); /* CRT state */ - I915_WRITE(ADPA, dev_priv->saveADPA); + if (HAS_PCH_SPLIT(dev)) + I915_WRITE(PCH_ADPA, dev_priv->saveADPA); + else + I915_WRITE(ADPA, dev_priv->saveADPA); /* LVDS state */ - if (IS_I965G(dev)) + if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev)) I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2); - if (IS_MOBILE(dev) && !IS_I830(dev)) + + if (HAS_PCH_SPLIT(dev)) { + I915_WRITE(PCH_LVDS, dev_priv->saveLVDS); + } else if (IS_MOBILE(dev) && !IS_I830(dev)) I915_WRITE(LVDS, dev_priv->saveLVDS); - if (!IS_I830(dev) && !IS_845G(dev)) - I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL); - I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS); - I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL); - I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); - I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); - I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR); - I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL); + if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) + I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL); + + if (HAS_PCH_SPLIT(dev)) { + I915_WRITE(BLC_PWM_PCH_CTL1, dev_priv->saveBLC_PWM_CTL); + I915_WRITE(BLC_PWM_PCH_CTL2, dev_priv->saveBLC_PWM_CTL2); + I915_WRITE(BLC_PWM_CPU_CTL, dev_priv->saveBLC_CPU_PWM_CTL); + I915_WRITE(BLC_PWM_CPU_CTL2, dev_priv->saveBLC_CPU_PWM_CTL2); + I915_WRITE(PCH_PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); + I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); + I915_WRITE(PCH_PP_DIVISOR, dev_priv->savePP_DIVISOR); + I915_WRITE(PCH_PP_CONTROL, dev_priv->savePP_CONTROL); + I915_WRITE(RSTDBYCTL, + dev_priv->saveMCHBAR_RENDER_STANDBY); + } else { + I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS); + I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL); + I915_WRITE(BLC_HIST_CTL, dev_priv->saveBLC_HIST_CTL); + I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); + I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); + I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR); + I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL); + } + + /* Display Port state */ + if (SUPPORTS_INTEGRATED_DP(dev)) { + I915_WRITE(DP_B, dev_priv->saveDP_B); + I915_WRITE(DP_C, dev_priv->saveDP_C); + I915_WRITE(DP_D, dev_priv->saveDP_D); + } /* FIXME: restore TV & SDVO state */ - /* FBC info */ - I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE); - I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE); - I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2); - I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL); + /* 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->saveDPFC_CB_BASE); + } else if (IS_GM45(dev)) { + I915_WRITE(DPFC_CB_BASE, dev_priv->saveDPFC_CB_BASE); + } else { + I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE); + I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE); + I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2); + I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL); + } + } /* VGA state */ - I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL); + if (HAS_PCH_SPLIT(dev)) + I915_WRITE(CPU_VGACNTRL, dev_priv->saveVGACNTRL); + else + I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL); I915_WRITE(VGA0, dev_priv->saveVGA0); I915_WRITE(VGA1, dev_priv->saveVGA1); I915_WRITE(VGA_PD, dev_priv->saveVGA_PD); + POSTING_READ(VGA_PD); DRM_UDELAY(150); - /* Clock gating state */ - I915_WRITE (D_STATE, dev_priv->saveD_STATE); - I915_WRITE (CG_2D_DIS, dev_priv->saveCG_2D_DIS); + i915_restore_vga(dev); + } + + int i915_save_state(struct drm_device *dev) + { + struct drm_i915_private *dev_priv = dev->dev_private; + int i; + + dev_priv->saveLBB = pci_read_config(dev->device, LBB, 1); + + /* Hardware status page */ + dev_priv->saveHWS = I915_READ(HWS_PGA); + + i915_save_display(dev); + + /* Interrupt state */ + if (HAS_PCH_SPLIT(dev)) { + dev_priv->saveDEIER = I915_READ(DEIER); + dev_priv->saveDEIMR = I915_READ(DEIMR); + dev_priv->saveGTIER = I915_READ(GTIER); + dev_priv->saveGTIMR = I915_READ(GTIMR); + dev_priv->saveFDI_RXA_IMR = I915_READ(_FDI_RXA_IMR); + dev_priv->saveFDI_RXB_IMR = I915_READ(_FDI_RXB_IMR); + dev_priv->saveMCHBAR_RENDER_STANDBY = + I915_READ(RSTDBYCTL); + dev_priv->savePCH_PORT_HOTPLUG = I915_READ(PCH_PORT_HOTPLUG); + } else { + dev_priv->saveIER = I915_READ(IER); + dev_priv->saveIMR = I915_READ(IMR); + } + + if (IS_IRONLAKE_M(dev)) + ironlake_disable_drps(dev); + if (IS_GEN6(dev)) + gen6_disable_rps(dev); + + /* Cache mode state */ + dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); + + /* Memory Arbitration state */ + dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE); + + /* Scratch space */ + for (i = 0; i < 16; i++) { + dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2)); + dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2)); + } + for (i = 0; i < 3; i++) + dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2)); + + return 0; + } + + int i915_restore_state(struct drm_device *dev) + { + struct drm_i915_private *dev_priv = dev->dev_private; + int i; + + pci_write_config(dev->device, LBB, dev_priv->saveLBB, 1); + + + /* Hardware status page */ + I915_WRITE(HWS_PGA, dev_priv->saveHWS); + + i915_restore_display(dev); + + /* Interrupt state */ + if (HAS_PCH_SPLIT(dev)) { + I915_WRITE(DEIER, dev_priv->saveDEIER); + I915_WRITE(DEIMR, dev_priv->saveDEIMR); + I915_WRITE(GTIER, dev_priv->saveGTIER); + I915_WRITE(GTIMR, dev_priv->saveGTIMR); + I915_WRITE(_FDI_RXA_IMR, dev_priv->saveFDI_RXA_IMR); + I915_WRITE(_FDI_RXB_IMR, dev_priv->saveFDI_RXB_IMR); + I915_WRITE(PCH_PORT_HOTPLUG, dev_priv->savePCH_PORT_HOTPLUG); + } else { + I915_WRITE(IER, dev_priv->saveIER); + I915_WRITE(IMR, dev_priv->saveIMR); + } + DRM_UNLOCK(); + + if (drm_core_check_feature(dev, DRIVER_MODESET)) + intel_init_clock_gating(dev); + + if (IS_IRONLAKE_M(dev)) { + ironlake_enable_drps(dev); + intel_init_emon(dev); + } + if (IS_GEN6(dev)) { + gen6_enable_rps(dev_priv); + gen6_update_ring_freq(dev_priv); + } + + DRM_LOCK(); /* Cache mode state */ - I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); + I915_WRITE(CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); + /* Memory arbitration state */ - I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000); + I915_WRITE(MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000); + for (i = 0; i < 16; i++) { I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]); @@ -520,8 +908,7 @@ for (i = 0; i < 3; i++) I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]); - i915_restore_vga(dev); + intel_iic_reset(dev); return 0; } -