mirror of https://gitee.com/openkylin/linux.git
901 lines
31 KiB
C
901 lines
31 KiB
C
/*
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*
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* Copyright 2008 (c) Intel Corporation
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* Jesse Barnes <jbarnes@virtuousgeek.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <drm/drmP.h>
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#include <drm/i915_drm.h>
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#include "intel_drv.h"
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#include "i915_reg.h"
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static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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u32 dpll_reg;
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/* On IVB, 3rd pipe shares PLL with another one */
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if (pipe > 1)
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return false;
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if (HAS_PCH_SPLIT(dev))
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dpll_reg = _PCH_DPLL(pipe);
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else
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dpll_reg = (pipe == PIPE_A) ? _DPLL_A : _DPLL_B;
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return (I915_READ(dpll_reg) & DPLL_VCO_ENABLE);
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}
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static void i915_save_palette(struct drm_device *dev, enum pipe pipe)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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unsigned long reg = (pipe == PIPE_A ? _PALETTE_A : _PALETTE_B);
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u32 *array;
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int i;
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if (!i915_pipe_enabled(dev, pipe))
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return;
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if (HAS_PCH_SPLIT(dev))
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reg = (pipe == PIPE_A) ? _LGC_PALETTE_A : _LGC_PALETTE_B;
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if (pipe == PIPE_A)
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array = dev_priv->regfile.save_palette_a;
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else
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array = dev_priv->regfile.save_palette_b;
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for (i = 0; i < 256; i++)
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array[i] = I915_READ(reg + (i << 2));
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}
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static void i915_restore_palette(struct drm_device *dev, enum pipe pipe)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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unsigned long reg = (pipe == PIPE_A ? _PALETTE_A : _PALETTE_B);
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u32 *array;
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int i;
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if (!i915_pipe_enabled(dev, pipe))
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return;
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if (HAS_PCH_SPLIT(dev))
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reg = (pipe == PIPE_A) ? _LGC_PALETTE_A : _LGC_PALETTE_B;
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if (pipe == PIPE_A)
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array = dev_priv->regfile.save_palette_a;
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else
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array = dev_priv->regfile.save_palette_b;
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for (i = 0; i < 256; i++)
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I915_WRITE(reg + (i << 2), array[i]);
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}
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static u8 i915_read_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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I915_WRITE8(index_port, reg);
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return I915_READ8(data_port);
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}
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static u8 i915_read_ar(struct drm_device *dev, u16 st01, u8 reg, u16 palette_enable)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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I915_READ8(st01);
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I915_WRITE8(VGA_AR_INDEX, palette_enable | reg);
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return I915_READ8(VGA_AR_DATA_READ);
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}
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static void i915_write_ar(struct drm_device *dev, u16 st01, u8 reg, u8 val, u16 palette_enable)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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I915_READ8(st01);
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I915_WRITE8(VGA_AR_INDEX, palette_enable | reg);
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I915_WRITE8(VGA_AR_DATA_WRITE, val);
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}
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static void i915_write_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg, u8 val)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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I915_WRITE8(index_port, reg);
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I915_WRITE8(data_port, val);
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}
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static void i915_save_vga(struct drm_device *dev)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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int i;
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u16 cr_index, cr_data, st01;
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/* VGA color palette registers */
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dev_priv->regfile.saveDACMASK = I915_READ8(VGA_DACMASK);
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/* MSR bits */
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dev_priv->regfile.saveMSR = I915_READ8(VGA_MSR_READ);
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if (dev_priv->regfile.saveMSR & VGA_MSR_CGA_MODE) {
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cr_index = VGA_CR_INDEX_CGA;
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cr_data = VGA_CR_DATA_CGA;
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st01 = VGA_ST01_CGA;
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} else {
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cr_index = VGA_CR_INDEX_MDA;
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cr_data = VGA_CR_DATA_MDA;
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st01 = VGA_ST01_MDA;
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}
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/* CRT controller regs */
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i915_write_indexed(dev, cr_index, cr_data, 0x11,
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i915_read_indexed(dev, cr_index, cr_data, 0x11) &
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(~0x80));
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for (i = 0; i <= 0x24; i++)
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dev_priv->regfile.saveCR[i] =
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i915_read_indexed(dev, cr_index, cr_data, i);
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/* Make sure we don't turn off CR group 0 writes */
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dev_priv->regfile.saveCR[0x11] &= ~0x80;
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/* Attribute controller registers */
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I915_READ8(st01);
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dev_priv->regfile.saveAR_INDEX = I915_READ8(VGA_AR_INDEX);
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for (i = 0; i <= 0x14; i++)
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dev_priv->regfile.saveAR[i] = i915_read_ar(dev, st01, i, 0);
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I915_READ8(st01);
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I915_WRITE8(VGA_AR_INDEX, dev_priv->regfile.saveAR_INDEX);
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I915_READ8(st01);
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/* Graphics controller registers */
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for (i = 0; i < 9; i++)
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dev_priv->regfile.saveGR[i] =
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i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i);
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dev_priv->regfile.saveGR[0x10] =
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i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10);
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dev_priv->regfile.saveGR[0x11] =
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i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11);
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dev_priv->regfile.saveGR[0x18] =
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i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18);
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/* Sequencer registers */
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for (i = 0; i < 8; i++)
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dev_priv->regfile.saveSR[i] =
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i915_read_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i);
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}
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static void i915_restore_vga(struct drm_device *dev)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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int i;
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u16 cr_index, cr_data, st01;
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/* MSR bits */
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I915_WRITE8(VGA_MSR_WRITE, dev_priv->regfile.saveMSR);
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if (dev_priv->regfile.saveMSR & VGA_MSR_CGA_MODE) {
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cr_index = VGA_CR_INDEX_CGA;
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cr_data = VGA_CR_DATA_CGA;
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st01 = VGA_ST01_CGA;
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} else {
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cr_index = VGA_CR_INDEX_MDA;
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cr_data = VGA_CR_DATA_MDA;
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st01 = VGA_ST01_MDA;
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}
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/* Sequencer registers, don't write SR07 */
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for (i = 0; i < 7; i++)
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i915_write_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i,
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dev_priv->regfile.saveSR[i]);
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/* CRT controller regs */
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/* Enable CR group 0 writes */
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i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->regfile.saveCR[0x11]);
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for (i = 0; i <= 0x24; i++)
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i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->regfile.saveCR[i]);
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/* Graphics controller regs */
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for (i = 0; i < 9; i++)
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i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i,
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dev_priv->regfile.saveGR[i]);
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i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10,
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dev_priv->regfile.saveGR[0x10]);
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i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11,
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dev_priv->regfile.saveGR[0x11]);
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i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18,
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dev_priv->regfile.saveGR[0x18]);
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/* Attribute controller registers */
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I915_READ8(st01); /* switch back to index mode */
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for (i = 0; i <= 0x14; i++)
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i915_write_ar(dev, st01, i, dev_priv->regfile.saveAR[i], 0);
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I915_READ8(st01); /* switch back to index mode */
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I915_WRITE8(VGA_AR_INDEX, dev_priv->regfile.saveAR_INDEX | 0x20);
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I915_READ8(st01);
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/* VGA color palette registers */
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I915_WRITE8(VGA_DACMASK, dev_priv->regfile.saveDACMASK);
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}
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static void i915_save_modeset_reg(struct drm_device *dev)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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int i;
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if (drm_core_check_feature(dev, DRIVER_MODESET))
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return;
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/* Cursor state */
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dev_priv->regfile.saveCURACNTR = I915_READ(_CURACNTR);
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dev_priv->regfile.saveCURAPOS = I915_READ(_CURAPOS);
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dev_priv->regfile.saveCURABASE = I915_READ(_CURABASE);
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dev_priv->regfile.saveCURBCNTR = I915_READ(_CURBCNTR);
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dev_priv->regfile.saveCURBPOS = I915_READ(_CURBPOS);
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dev_priv->regfile.saveCURBBASE = I915_READ(_CURBBASE);
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if (IS_GEN2(dev))
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dev_priv->regfile.saveCURSIZE = I915_READ(CURSIZE);
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if (HAS_PCH_SPLIT(dev)) {
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dev_priv->regfile.savePCH_DREF_CONTROL = I915_READ(PCH_DREF_CONTROL);
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dev_priv->regfile.saveDISP_ARB_CTL = I915_READ(DISP_ARB_CTL);
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}
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/* Pipe & plane A info */
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dev_priv->regfile.savePIPEACONF = I915_READ(_PIPEACONF);
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dev_priv->regfile.savePIPEASRC = I915_READ(_PIPEASRC);
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if (HAS_PCH_SPLIT(dev)) {
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dev_priv->regfile.saveFPA0 = I915_READ(_PCH_FPA0);
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dev_priv->regfile.saveFPA1 = I915_READ(_PCH_FPA1);
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dev_priv->regfile.saveDPLL_A = I915_READ(_PCH_DPLL_A);
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} else {
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dev_priv->regfile.saveFPA0 = I915_READ(_FPA0);
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dev_priv->regfile.saveFPA1 = I915_READ(_FPA1);
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dev_priv->regfile.saveDPLL_A = I915_READ(_DPLL_A);
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}
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if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev))
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dev_priv->regfile.saveDPLL_A_MD = I915_READ(_DPLL_A_MD);
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dev_priv->regfile.saveHTOTAL_A = I915_READ(_HTOTAL_A);
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dev_priv->regfile.saveHBLANK_A = I915_READ(_HBLANK_A);
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dev_priv->regfile.saveHSYNC_A = I915_READ(_HSYNC_A);
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dev_priv->regfile.saveVTOTAL_A = I915_READ(_VTOTAL_A);
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dev_priv->regfile.saveVBLANK_A = I915_READ(_VBLANK_A);
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dev_priv->regfile.saveVSYNC_A = I915_READ(_VSYNC_A);
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if (!HAS_PCH_SPLIT(dev))
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dev_priv->regfile.saveBCLRPAT_A = I915_READ(_BCLRPAT_A);
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if (HAS_PCH_SPLIT(dev)) {
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dev_priv->regfile.savePIPEA_DATA_M1 = I915_READ(_PIPEA_DATA_M1);
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dev_priv->regfile.savePIPEA_DATA_N1 = I915_READ(_PIPEA_DATA_N1);
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dev_priv->regfile.savePIPEA_LINK_M1 = I915_READ(_PIPEA_LINK_M1);
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dev_priv->regfile.savePIPEA_LINK_N1 = I915_READ(_PIPEA_LINK_N1);
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dev_priv->regfile.saveFDI_TXA_CTL = I915_READ(_FDI_TXA_CTL);
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dev_priv->regfile.saveFDI_RXA_CTL = I915_READ(_FDI_RXA_CTL);
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dev_priv->regfile.savePFA_CTL_1 = I915_READ(_PFA_CTL_1);
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dev_priv->regfile.savePFA_WIN_SZ = I915_READ(_PFA_WIN_SZ);
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dev_priv->regfile.savePFA_WIN_POS = I915_READ(_PFA_WIN_POS);
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dev_priv->regfile.saveTRANSACONF = I915_READ(_TRANSACONF);
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dev_priv->regfile.saveTRANS_HTOTAL_A = I915_READ(_TRANS_HTOTAL_A);
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dev_priv->regfile.saveTRANS_HBLANK_A = I915_READ(_TRANS_HBLANK_A);
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dev_priv->regfile.saveTRANS_HSYNC_A = I915_READ(_TRANS_HSYNC_A);
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dev_priv->regfile.saveTRANS_VTOTAL_A = I915_READ(_TRANS_VTOTAL_A);
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dev_priv->regfile.saveTRANS_VBLANK_A = I915_READ(_TRANS_VBLANK_A);
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dev_priv->regfile.saveTRANS_VSYNC_A = I915_READ(_TRANS_VSYNC_A);
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}
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dev_priv->regfile.saveDSPACNTR = I915_READ(_DSPACNTR);
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dev_priv->regfile.saveDSPASTRIDE = I915_READ(_DSPASTRIDE);
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dev_priv->regfile.saveDSPASIZE = I915_READ(_DSPASIZE);
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dev_priv->regfile.saveDSPAPOS = I915_READ(_DSPAPOS);
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dev_priv->regfile.saveDSPAADDR = I915_READ(_DSPAADDR);
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if (INTEL_INFO(dev)->gen >= 4) {
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dev_priv->regfile.saveDSPASURF = I915_READ(_DSPASURF);
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dev_priv->regfile.saveDSPATILEOFF = I915_READ(_DSPATILEOFF);
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}
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i915_save_palette(dev, PIPE_A);
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dev_priv->regfile.savePIPEASTAT = I915_READ(_PIPEASTAT);
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/* Pipe & plane B info */
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dev_priv->regfile.savePIPEBCONF = I915_READ(_PIPEBCONF);
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dev_priv->regfile.savePIPEBSRC = I915_READ(_PIPEBSRC);
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if (HAS_PCH_SPLIT(dev)) {
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dev_priv->regfile.saveFPB0 = I915_READ(_PCH_FPB0);
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dev_priv->regfile.saveFPB1 = I915_READ(_PCH_FPB1);
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dev_priv->regfile.saveDPLL_B = I915_READ(_PCH_DPLL_B);
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} else {
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dev_priv->regfile.saveFPB0 = I915_READ(_FPB0);
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dev_priv->regfile.saveFPB1 = I915_READ(_FPB1);
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dev_priv->regfile.saveDPLL_B = I915_READ(_DPLL_B);
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}
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if (INTEL_INFO(dev)->gen >= 4 && !HAS_PCH_SPLIT(dev))
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dev_priv->regfile.saveDPLL_B_MD = I915_READ(_DPLL_B_MD);
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dev_priv->regfile.saveHTOTAL_B = I915_READ(_HTOTAL_B);
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dev_priv->regfile.saveHBLANK_B = I915_READ(_HBLANK_B);
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dev_priv->regfile.saveHSYNC_B = I915_READ(_HSYNC_B);
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dev_priv->regfile.saveVTOTAL_B = I915_READ(_VTOTAL_B);
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dev_priv->regfile.saveVBLANK_B = I915_READ(_VBLANK_B);
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dev_priv->regfile.saveVSYNC_B = I915_READ(_VSYNC_B);
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if (!HAS_PCH_SPLIT(dev))
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dev_priv->regfile.saveBCLRPAT_B = I915_READ(_BCLRPAT_B);
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if (HAS_PCH_SPLIT(dev)) {
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dev_priv->regfile.savePIPEB_DATA_M1 = I915_READ(_PIPEB_DATA_M1);
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dev_priv->regfile.savePIPEB_DATA_N1 = I915_READ(_PIPEB_DATA_N1);
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dev_priv->regfile.savePIPEB_LINK_M1 = I915_READ(_PIPEB_LINK_M1);
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dev_priv->regfile.savePIPEB_LINK_N1 = I915_READ(_PIPEB_LINK_N1);
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dev_priv->regfile.saveFDI_TXB_CTL = I915_READ(_FDI_TXB_CTL);
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dev_priv->regfile.saveFDI_RXB_CTL = I915_READ(_FDI_RXB_CTL);
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dev_priv->regfile.savePFB_CTL_1 = I915_READ(_PFB_CTL_1);
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dev_priv->regfile.savePFB_WIN_SZ = I915_READ(_PFB_WIN_SZ);
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dev_priv->regfile.savePFB_WIN_POS = I915_READ(_PFB_WIN_POS);
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dev_priv->regfile.saveTRANSBCONF = I915_READ(_TRANSBCONF);
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dev_priv->regfile.saveTRANS_HTOTAL_B = I915_READ(_TRANS_HTOTAL_B);
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dev_priv->regfile.saveTRANS_HBLANK_B = I915_READ(_TRANS_HBLANK_B);
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dev_priv->regfile.saveTRANS_HSYNC_B = I915_READ(_TRANS_HSYNC_B);
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dev_priv->regfile.saveTRANS_VTOTAL_B = I915_READ(_TRANS_VTOTAL_B);
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dev_priv->regfile.saveTRANS_VBLANK_B = I915_READ(_TRANS_VBLANK_B);
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dev_priv->regfile.saveTRANS_VSYNC_B = I915_READ(_TRANS_VSYNC_B);
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}
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dev_priv->regfile.saveDSPBCNTR = I915_READ(_DSPBCNTR);
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dev_priv->regfile.saveDSPBSTRIDE = I915_READ(_DSPBSTRIDE);
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dev_priv->regfile.saveDSPBSIZE = I915_READ(_DSPBSIZE);
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dev_priv->regfile.saveDSPBPOS = I915_READ(_DSPBPOS);
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dev_priv->regfile.saveDSPBADDR = I915_READ(_DSPBADDR);
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if (INTEL_INFO(dev)->gen >= 4) {
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dev_priv->regfile.saveDSPBSURF = I915_READ(_DSPBSURF);
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dev_priv->regfile.saveDSPBTILEOFF = I915_READ(_DSPBTILEOFF);
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}
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i915_save_palette(dev, PIPE_B);
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dev_priv->regfile.savePIPEBSTAT = I915_READ(_PIPEBSTAT);
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/* Fences */
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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->pdev, LBB, &dev_priv->regfile.saveLBB);
|
|
|
|
mutex_lock(&dev->struct_mutex);
|
|
|
|
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));
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
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->regfile.saveLBB);
|
|
|
|
mutex_lock(&dev->struct_mutex);
|
|
|
|
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]);
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
intel_i2c_reset(dev);
|
|
|
|
return 0;
|
|
}
|