aboutsummaryrefslogtreecommitdiff
path: root/shared-core
diff options
context:
space:
mode:
authorRobert Noland <rnoland@wombat.2hip.net>2008-06-03 21:15:54 -0400
committerRobert Noland <rnoland@wombat.2hip.net>2008-06-08 13:56:14 -0400
commit116870a908edd8da02381d23694b321e8878f92e (patch)
treebd1d66f3d71bbf028bc9acc352e01311c07d0670 /shared-core
parentd43f3cb0974b635c1a31b839807e5a691c44b4c6 (diff)
I915 suspend/resume for FreeBSD
Diffstat (limited to 'shared-core')
-rw-r--r--shared-core/i915_dma.c2
-rw-r--r--shared-core/i915_drv.h11
-rw-r--r--shared-core/i915_suspend.c525
3 files changed, 537 insertions, 1 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index 60b405d4..3f4fd1b2 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -1008,7 +1008,7 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
int i915_driver_load(struct drm_device *dev, unsigned long flags)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv;
unsigned long base, size;
int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1;
diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h
index 6421f689..427c49fe 100644
--- a/shared-core/i915_drv.h
+++ b/shared-core/i915_drv.h
@@ -307,6 +307,11 @@ 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);
+
#ifdef I915_HAVE_FENCE
/* i915_fence.c */
extern void i915_fence_handler(struct drm_device *dev);
@@ -343,6 +348,12 @@ extern void intel_fini_chipset_flush_compat(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))
+
+#if defined(__FreeBSD__)
+typedef boolean_t bool;
+#endif
#define I915_VERBOSE 0
diff --git a/shared-core/i915_suspend.c b/shared-core/i915_suspend.c
new file mode 100644
index 00000000..27c82b48
--- /dev/null
+++ b/shared-core/i915_suspend.c
@@ -0,0 +1,525 @@
+/* i915_suspend.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
+ */
+/*
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * 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"
+
+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(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;
+
+#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
+
+ /* 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->saveDSPABASE = I915_READ(DSPABASE);
+ 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(I915REG_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->saveDSPBBASE = I915_READ(DSPBBASE);
+ 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(I915REG_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->saveLVDSPP_ON = I915_READ(LVDSPP_ON);
+ dev_priv->saveLVDSPP_OFF = I915_READ(LVDSPP_OFF);
+ dev_priv->savePP_CYCLE = I915_READ(PP_CYCLE);
+
+ /* 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(I915REG_INT_IDENTITY_R);
+ dev_priv->saveIER = I915_READ(I915REG_INT_ENABLE_R);
+ dev_priv->saveIMR = I915_READ(I915REG_INT_MASK_R);
+
+ /* VGA state */
+ dev_priv->saveVCLK_DIVISOR_VGA0 = I915_READ(VCLK_DIVISOR_VGA0);
+ dev_priv->saveVCLK_DIVISOR_VGA1 = I915_READ(VCLK_DIVISOR_VGA1);
+ dev_priv->saveVCLK_POST_DIV = I915_READ(VCLK_POST_DIV);
+ dev_priv->saveVGACNTRL = I915_READ(VGACNTRL);
+
+ /* Clock gating state */
+ dev_priv->saveD_STATE = I915_READ(D_STATE);
+ dev_priv->saveDSPCLK_GATE_D = I915_READ(DSPCLK_GATE_D);
+
+ /* 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(SWF0 + (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;
+
+#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
+
+ 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(DSPABASE, dev_priv->saveDSPABASE);
+ 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(DSPABASE, I915_READ(DSPABASE));
+
+ /* 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(DSPBBASE, dev_priv->saveDSPBBASE);
+ 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(DSPBBASE, I915_READ(DSPBBASE));
+
+ /* 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(LVDSPP_ON, dev_priv->saveLVDSPP_ON);
+ I915_WRITE(LVDSPP_OFF, dev_priv->saveLVDSPP_OFF);
+ I915_WRITE(PP_CYCLE, dev_priv->savePP_CYCLE);
+ 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(VCLK_DIVISOR_VGA0, dev_priv->saveVCLK_DIVISOR_VGA0);
+ I915_WRITE(VCLK_DIVISOR_VGA1, dev_priv->saveVCLK_DIVISOR_VGA1);
+ I915_WRITE(VCLK_POST_DIV, dev_priv->saveVCLK_POST_DIV);
+ DRM_UDELAY(150);
+
+ /* Clock gating state */
+ I915_WRITE (D_STATE, dev_priv->saveD_STATE);
+ I915_WRITE (DSPCLK_GATE_D, dev_priv->saveDSPCLK_GATE_D);
+
+ /* 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(SWF0 + (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;
+}
+