diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/Makefile | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 462 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 509 |
4 files changed, 524 insertions, 461 deletions
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index b032808d9c1..c4bbda662e2 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -3,7 +3,8 @@ # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. ccflags-y := -Iinclude/drm -i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_opregion.o +i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_opregion.o \ + i915_suspend.o i915-$(CONFIG_COMPAT) += i915_ioc32.o diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index d95eca2bc45..eff66ed3e58 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -38,211 +38,9 @@ static struct pci_device_id pciidlist[] = { i915_PCI_IDS }; -enum pipe { - PIPE_A = 0, - PIPE_B, -}; - -static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - if (pipe == PIPE_A) - return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE); - else - return (I915_READ(DPLL_B) & 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 (pipe == PIPE_A) - array = dev_priv->save_palette_a; - else - array = dev_priv->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 (pipe == PIPE_A) - array = dev_priv->save_palette_a; - else - array = dev_priv->save_palette_b; - - for(i = 0; i < 256; i++) - I915_WRITE(reg + (i << 2), array[i]); -} - -static u8 i915_read_indexed(u16 index_port, u16 data_port, u8 reg) -{ - outb(reg, index_port); - return inb(data_port); -} - -static u8 i915_read_ar(u16 st01, u8 reg, u16 palette_enable) -{ - inb(st01); - outb(palette_enable | reg, VGA_AR_INDEX); - return inb(VGA_AR_DATA_READ); -} - -static void i915_write_ar(u8 st01, u8 reg, u8 val, u16 palette_enable) -{ - inb(st01); - outb(palette_enable | reg, VGA_AR_INDEX); - outb(val, VGA_AR_DATA_WRITE); -} - -static void i915_write_indexed(u16 index_port, u16 data_port, u8 reg, u8 val) -{ - outb(reg, index_port); - outb(val, data_port); -} - -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->saveDACMASK = inb(VGA_DACMASK); - /* DACCRX automatically increments during read */ - outb(0, VGA_DACRX); - /* Read 3 bytes of color data from each index */ - for (i = 0; i < 256 * 3; i++) - dev_priv->saveDACDATA[i] = inb(VGA_DACDATA); - - /* MSR bits */ - dev_priv->saveMSR = inb(VGA_MSR_READ); - if (dev_priv->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(cr_index, cr_data, 0x11, - i915_read_indexed(cr_index, cr_data, 0x11) & - (~0x80)); - for (i = 0; i <= 0x24; i++) - dev_priv->saveCR[i] = - i915_read_indexed(cr_index, cr_data, i); - /* Make sure we don't turn off CR group 0 writes */ - dev_priv->saveCR[0x11] &= ~0x80; - - /* Attribute controller registers */ - inb(st01); - dev_priv->saveAR_INDEX = inb(VGA_AR_INDEX); - for (i = 0; i <= 0x14; i++) - dev_priv->saveAR[i] = i915_read_ar(st01, i, 0); - inb(st01); - outb(dev_priv->saveAR_INDEX, VGA_AR_INDEX); - inb(st01); - - /* Graphics controller registers */ - for (i = 0; i < 9; i++) - dev_priv->saveGR[i] = - i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, i); - - dev_priv->saveGR[0x10] = - i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10); - dev_priv->saveGR[0x11] = - i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11); - dev_priv->saveGR[0x18] = - i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18); - - /* Sequencer registers */ - for (i = 0; i < 8; i++) - dev_priv->saveSR[i] = - i915_read_indexed(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 */ - outb(dev_priv->saveMSR, VGA_MSR_WRITE); - if (dev_priv->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(VGA_SR_INDEX, VGA_SR_DATA, i, - dev_priv->saveSR[i]); - - /* CRT controller regs */ - /* Enable CR group 0 writes */ - i915_write_indexed(cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]); - for (i = 0; i <= 0x24; i++) - i915_write_indexed(cr_index, cr_data, i, dev_priv->saveCR[i]); - - /* Graphics controller regs */ - for (i = 0; i < 9; i++) - i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, i, - dev_priv->saveGR[i]); - - i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10, - dev_priv->saveGR[0x10]); - i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11, - dev_priv->saveGR[0x11]); - i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18, - dev_priv->saveGR[0x18]); - - /* Attribute controller registers */ - inb(st01); - for (i = 0; i <= 0x14; i++) - i915_write_ar(st01, i, dev_priv->saveAR[i], 0); - inb(st01); /* switch back to index mode */ - outb(dev_priv->saveAR_INDEX | 0x20, VGA_AR_INDEX); - inb(st01); - - /* VGA color palette registers */ - outb(dev_priv->saveDACMASK, VGA_DACMASK); - /* DACCRX automatically increments during read */ - outb(0, VGA_DACWX); - /* Read 3 bytes of color data from each index */ - for (i = 0; i < 256 * 3; i++) - outb(dev_priv->saveDACDATA[i], VGA_DACDATA); - -} - static int i915_suspend(struct drm_device *dev, pm_message_t state) { struct drm_i915_private *dev_priv = dev->dev_private; - int i; if (!dev || !dev_priv) { printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv); @@ -254,122 +52,8 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state) return 0; pci_save_state(dev->pdev); - pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); - - /* Display arbitration control */ - dev_priv->saveDSPARB = I915_READ(DSPARB); - - /* 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); - } - i915_save_palette(dev, PIPE_A); - 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_IGD_GM(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); - - /* 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)); - - i915_save_vga(dev); + i915_save_state(dev); intel_opregion_free(dev); @@ -384,155 +68,13 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state) static int i915_resume(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - pci_set_power_state(dev->pdev, PCI_D0); pci_restore_state(dev->pdev); if (pci_enable_device(dev->pdev)) return -1; pci_set_master(dev->pdev); - pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB); - - 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 & - ~DPLL_VCO_ENABLE); - udelay(150); - } - I915_WRITE(FPA0, dev_priv->saveFPA0); - I915_WRITE(FPA1, dev_priv->saveFPA1); - /* Actually enable it */ - I915_WRITE(DPLL_A, dev_priv->saveDPLL_A); - udelay(150); - if (IS_I965G(dev)) - I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD); - 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); - - /* 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(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)); - - /* Pipe & plane B info */ - if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) { - I915_WRITE(DPLL_B, dev_priv->saveDPLL_B & - ~DPLL_VCO_ENABLE); - udelay(150); - } - I915_WRITE(FPB0, dev_priv->saveFPB0); - I915_WRITE(FPB1, dev_priv->saveFPB1); - /* Actually enable it */ - I915_WRITE(DPLL_B, dev_priv->saveDPLL_B); - udelay(150); - if (IS_I965G(dev)) - I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD); - 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); - - /* 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(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)); - - /* CRT state */ - I915_WRITE(ADPA, dev_priv->saveADPA); - - /* LVDS state */ - if (IS_I965G(dev)) - I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2); - 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); - - /* 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); - - /* VGA state */ - 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); - udelay(150); - - /* Clock gating state */ - I915_WRITE (D_STATE, dev_priv->saveD_STATE); - I915_WRITE(CG_2D_DIS, dev_priv->saveCG_2D_DIS); - - /* Cache mode state */ - 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); - - for (i = 0; i < 16; i++) { - I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]); - I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]); - } - for (i = 0; i < 3; i++) - I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]); - - i915_restore_vga(dev); + i915_restore_state(dev); intel_opregion_init(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index e4bd01c511a..a82b487de7b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -41,6 +41,11 @@ #define DRIVER_DESC "Intel Graphics" #define DRIVER_DATE "20060119" +enum pipe { + PIPE_A = 0, + PIPE_B, +}; + /* Interface history: * * 1.1: Original. @@ -269,6 +274,10 @@ extern void i915_mem_takedown(struct mem_block **heap); extern void i915_mem_release(struct drm_device * dev, struct drm_file *file_priv, struct mem_block *heap); +/* i915_suspend.c */ +extern int i915_save_state(struct drm_device *dev); +extern int i915_restore_state(struct drm_device *dev); + /* i915_opregion.c */ extern int intel_opregion_init(struct drm_device *dev); extern void intel_opregion_free(struct drm_device *dev); @@ -279,6 +288,8 @@ extern void opregion_enable_asle(struct drm_device *dev); #define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val)) #define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg)) #define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val)) +#define I915_READ8(reg) DRM_READ8(dev_priv->mmio_map, (reg)) +#define I915_WRITE8(reg,val) DRM_WRITE8(dev_priv->mmio_map, (reg), (val)) #define I915_VERBOSE 0 diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c new file mode 100644 index 00000000000..e0c1fe4d1b8 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -0,0 +1,509 @@ +/* + * + * 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 "drmP.h" +#include "drm.h" +#include "i915_drm.h" +#include "i915_drv.h" + +static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + if (pipe == PIPE_A) + return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE); + else + return (I915_READ(DPLL_B) & 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 (pipe == PIPE_A) + array = dev_priv->save_palette_a; + else + array = dev_priv->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 (pipe == PIPE_A) + array = dev_priv->save_palette_a; + else + array = dev_priv->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->saveDACMASK = I915_READ8(VGA_DACMASK); + /* DACCRX automatically increments during read */ + I915_WRITE8(VGA_DACRX, 0); + /* Read 3 bytes of color data from each index */ + for (i = 0; i < 256 * 3; i++) + dev_priv->saveDACDATA[i] = I915_READ8(VGA_DACDATA); + + /* MSR bits */ + dev_priv->saveMSR = I915_READ8(VGA_MSR_READ); + if (dev_priv->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->saveCR[i] = + i915_read_indexed(dev, cr_index, cr_data, i); + /* Make sure we don't turn off CR group 0 writes */ + dev_priv->saveCR[0x11] &= ~0x80; + + /* Attribute controller registers */ + I915_READ8(st01); + dev_priv->saveAR_INDEX = I915_READ8(VGA_AR_INDEX); + for (i = 0; i <= 0x14; i++) + dev_priv->saveAR[i] = i915_read_ar(dev, st01, i, 0); + I915_READ8(st01); + I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX); + I915_READ8(st01); + + /* Graphics controller registers */ + for (i = 0; i < 9; i++) + dev_priv->saveGR[i] = + i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i); + + dev_priv->saveGR[0x10] = + i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10); + dev_priv->saveGR[0x11] = + i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11); + dev_priv->saveGR[0x18] = + i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18); + + /* Sequencer registers */ + for (i = 0; i < 8; i++) + dev_priv->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->saveMSR); + if (dev_priv->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->saveSR[i]); + + /* CRT controller regs */ + /* Enable CR group 0 writes */ + i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]); + for (i = 0; i <= 0x24; i++) + i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->saveCR[i]); + + /* Graphics controller regs */ + for (i = 0; i < 9; i++) + i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i, + dev_priv->saveGR[i]); + + i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10, + dev_priv->saveGR[0x10]); + i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11, + dev_priv->saveGR[0x11]); + i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18, + dev_priv->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->saveAR[i], 0); + I915_READ8(st01); /* switch back to index mode */ + I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX | 0x20); + I915_READ8(st01); + + /* VGA color palette registers */ + I915_WRITE8(VGA_DACMASK, dev_priv->saveDACMASK); + /* DACCRX automatically increments during read */ + I915_WRITE8(VGA_DACWX, 0); + /* Read 3 bytes of color data from each index */ + for (i = 0; i < 256 * 3; i++) + I915_WRITE8(VGA_DACDATA, dev_priv->saveDACDATA[i]); + +} + +int i915_save_state(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + int i; + + pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); + + /* Display arbitration control */ + dev_priv->saveDSPARB = I915_READ(DSPARB); + + /* 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); + } + i915_save_palette(dev, PIPE_A); + 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_IGD_GM(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); + + /* 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)); + + i915_save_vga(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->pdev, LBB, dev_priv->saveLBB); + + 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 & + ~DPLL_VCO_ENABLE); + DRM_UDELAY(150); + } + I915_WRITE(FPA0, dev_priv->saveFPA0); + I915_WRITE(FPA1, dev_priv->saveFPA1); + /* Actually enable it */ + 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); + 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); + + /* 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(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)); + + /* Pipe & plane B info */ + if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) { + I915_WRITE(DPLL_B, dev_priv->saveDPLL_B & + ~DPLL_VCO_ENABLE); + DRM_UDELAY(150); + } + I915_WRITE(FPB0, dev_priv->saveFPB0); + I915_WRITE(FPB1, dev_priv->saveFPB1); + /* Actually enable it */ + I915_WRITE(DPLL_B, dev_priv->saveDPLL_B); + DRM_UDELAY(150); + if (IS_I965G(dev)) + I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_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); + + /* 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(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)); + + /* CRT state */ + I915_WRITE(ADPA, dev_priv->saveADPA); + + /* LVDS state */ + if (IS_I965G(dev)) + I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2); + 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); + + /* 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); + + /* VGA state */ + 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); + DRM_UDELAY(150); + + /* Clock gating state */ + I915_WRITE (D_STATE, dev_priv->saveD_STATE); + I915_WRITE (CG_2D_DIS, dev_priv->saveCG_2D_DIS); + + /* Cache mode state */ + 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); + + for (i = 0; i < 16; i++) { + I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]); + I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]); + } + for (i = 0; i < 3; i++) + I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]); + + i915_restore_vga(dev); + + return 0; +} + |