Release 4.9 drivers/gpu/drm/i915/i915_suspend.c
/*
*
* 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 <drm/drmP.h>
#include <drm/i915_drm.h>
#include "intel_drv.h"
#include "i915_reg.h"
static void i915_save_display(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
/* Display arbitration control */
if (INTEL_INFO(dev)->gen <= 4)
dev_priv->regfile.saveDSPARB = I915_READ(DSPARB);
/* save FBC interval */
if (HAS_FBC(dev) && INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev))
dev_priv->regfile.saveFBC_CONTROL = I915_READ(FBC_CONTROL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| chris wilson | chris wilson | 26 | 33.33% | 2 | 14.29% |
| yakui zhao | yakui zhao | 16 | 20.51% | 3 | 21.43% |
| paulo zanoni | paulo zanoni | 11 | 14.10% | 1 | 7.14% |
| ville syrjala | ville syrjala | 9 | 11.54% | 1 | 7.14% |
| daniel vetter | daniel vetter | 7 | 8.97% | 3 | 21.43% |
| jesse barnes | jesse barnes | 6 | 7.69% | 2 | 14.29% |
| ben gamari | ben gamari | 2 | 2.56% | 1 | 7.14% |
| keith packard | keith packard | 1 | 1.28% | 1 | 7.14% |
| Total | 78 | 100.00% | 14 | 100.00% |
static void i915_restore_display(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
/* Display arbitration */
if (INTEL_INFO(dev)->gen <= 4)
I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB);
/* only restore FBC info on the platform that supports FBC*/
intel_fbc_global_disable(dev_priv);
/* restore FBC interval */
if (HAS_FBC(dev) && INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev))
I915_WRITE(FBC_CONTROL, dev_priv->regfile.saveFBC_CONTROL);
i915_redisable_vga(dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ben gamari | ben gamari | 28 | 31.46% | 1 | 6.25% |
| yakui zhao | yakui zhao | 21 | 23.60% | 3 | 18.75% |
| paulo zanoni | paulo zanoni | 13 | 14.61% | 3 | 18.75% |
| ville syrjala | ville syrjala | 9 | 10.11% | 1 | 6.25% |
| daniel vetter | daniel vetter | 6 | 6.74% | 3 | 18.75% |
| chris wilson | chris wilson | 6 | 6.74% | 2 | 12.50% |
| jesse barnes | jesse barnes | 5 | 5.62% | 2 | 12.50% |
| keith packard | keith packard | 1 | 1.12% | 1 | 6.25% |
| Total | 89 | 100.00% | 16 | 100.00% |
int i915_save_state(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
struct pci_dev *pdev = dev_priv->drm.pdev;
int i;
mutex_lock(&dev->struct_mutex);
i915_save_display(dev);
if (IS_GEN4(dev))
pci_read_config_word(pdev, GCDGMBUS,
&dev_priv->regfile.saveGCDGMBUS);
/* Cache mode state */
if (INTEL_INFO(dev)->gen < 7)
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 */
if (IS_GEN2(dev_priv) && IS_MOBILE(dev_priv)) {
for (i = 0; i < 7; i++) {
dev_priv->regfile.saveSWF0[i] = I915_READ(SWF0(i));
dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
}
for (i = 0; i < 3; i++)
dev_priv->regfile.saveSWF3[i] = I915_READ(SWF3(i));
} else if (IS_GEN2(dev_priv)) {
for (i = 0; i < 7; i++)
dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
} else if (HAS_GMCH_DISPLAY(dev_priv)) {
for (i = 0; i < 16; i++) {
dev_priv->regfile.saveSWF0[i] = I915_READ(SWF0(i));
dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
}
for (i = 0; i < 3; i++)
dev_priv->regfile.saveSWF3[i] = I915_READ(SWF3(i));
}
mutex_unlock(&dev->struct_mutex);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ville syrjala | ville syrjala | 153 | 45.40% | 1 | 9.09% |
| ben gamari | ben gamari | 92 | 27.30% | 1 | 9.09% |
| jesse barnes | jesse barnes | 33 | 9.79% | 3 | 27.27% |
| yakui zhao | yakui zhao | 17 | 5.04% | 1 | 9.09% |
| keith packard | keith packard | 16 | 4.75% | 1 | 9.09% |
| daniel vetter | daniel vetter | 12 | 3.56% | 2 | 18.18% |
| david weinehall | david weinehall | 11 | 3.26% | 1 | 9.09% |
| chris wilson | chris wilson | 3 | 0.89% | 1 | 9.09% |
| Total | 337 | 100.00% | 11 | 100.00% |
int i915_restore_state(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
struct pci_dev *pdev = dev_priv->drm.pdev;
int i;
mutex_lock(&dev->struct_mutex);
i915_gem_restore_fences(dev);
if (IS_GEN4(dev))
pci_write_config_word(pdev, GCDGMBUS,
dev_priv->regfile.saveGCDGMBUS);
i915_restore_display(dev);
/* Cache mode state */
if (INTEL_INFO(dev)->gen < 7)
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);
/* Scratch space */
if (IS_GEN2(dev_priv) && IS_MOBILE(dev_priv)) {
for (i = 0; i < 7; i++) {
I915_WRITE(SWF0(i), dev_priv->regfile.saveSWF0[i]);
I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
}
for (i = 0; i < 3; i++)
I915_WRITE(SWF3(i), dev_priv->regfile.saveSWF3[i]);
} else if (IS_GEN2(dev_priv)) {
for (i = 0; i < 7; i++)
I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
} else if (HAS_GMCH_DISPLAY(dev_priv)) {
for (i = 0; i < 16; i++) {
I915_WRITE(SWF0(i), dev_priv->regfile.saveSWF0[i]);
I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
}
for (i = 0; i < 3; i++)
I915_WRITE(SWF3(i), dev_priv->regfile.saveSWF3[i]);
}
mutex_unlock(&dev->struct_mutex);
intel_i2c_reset(dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ville syrjala | ville syrjala | 154 | 44.00% | 1 | 8.33% |
| jesse barnes | jesse barnes | 127 | 36.29% | 3 | 25.00% |
| ben gamari | ben gamari | 19 | 5.43% | 1 | 8.33% |
| keith packard | keith packard | 16 | 4.57% | 1 | 8.33% |
| david weinehall | david weinehall | 11 | 3.14% | 1 | 8.33% |
| daniel vetter | daniel vetter | 10 | 2.86% | 1 | 8.33% |
| chris wilson | chris wilson | 9 | 2.57% | 3 | 25.00% |
| eric anholt | eric anholt | 4 | 1.14% | 1 | 8.33% |
| Total | 350 | 100.00% | 12 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| ville syrjala | ville syrjala | 325 | 37.49% | 2 | 7.14% |
| jesse barnes | jesse barnes | 178 | 20.53% | 4 | 14.29% |
| ben gamari | ben gamari | 141 | 16.26% | 1 | 3.57% |
| yakui zhao | yakui zhao | 54 | 6.23% | 3 | 10.71% |
| chris wilson | chris wilson | 44 | 5.07% | 5 | 17.86% |
| daniel vetter | daniel vetter | 35 | 4.04% | 5 | 17.86% |
| keith packard | keith packard | 34 | 3.92% | 1 | 3.57% |
| paulo zanoni | paulo zanoni | 24 | 2.77% | 3 | 10.71% |
| david weinehall | david weinehall | 22 | 2.54% | 1 | 3.57% |
| eric anholt | eric anholt | 5 | 0.58% | 1 | 3.57% |
| eugeni dodonov | eugeni dodonov | 3 | 0.35% | 1 | 3.57% |
| david howells | david howells | 2 | 0.23% | 1 | 3.57% |
| Total | 867 | 100.00% | 28 | 100.00% |