diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c deleted file mode 100644 index ed2be3489f8e..000000000000 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * - * 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 "display/intel_fbc.h" -#include "display/intel_gmbus.h" -#include "display/intel_vga.h" - -#include "i915_drv.h" -#include "i915_reg.h" -#include "i915_suspend.h" - -static void i915_save_display(struct drm_i915_private *dev_priv) -{ - /* Display arbitration control */ - if (INTEL_GEN(dev_priv) <= 4) - dev_priv->regfile.saveDSPARB = I915_READ(DSPARB); - - /* save FBC interval */ - if (HAS_FBC(dev_priv) && INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev_priv)) - dev_priv->regfile.saveFBC_CONTROL = I915_READ(FBC_CONTROL); -} - -static void i915_restore_display(struct drm_i915_private *dev_priv) -{ - /* Display arbitration */ - if (INTEL_GEN(dev_priv) <= 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_priv) && INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev_priv)) - I915_WRITE(FBC_CONTROL, dev_priv->regfile.saveFBC_CONTROL); - - intel_vga_redisable(dev_priv); -} - -int i915_save_state(struct drm_i915_private *dev_priv) -{ - struct pci_dev *pdev = dev_priv->drm.pdev; - int i; - - i915_save_display(dev_priv); - - if (IS_GEN(dev_priv, 4)) - pci_read_config_word(pdev, GCDGMBUS, - &dev_priv->regfile.saveGCDGMBUS); - - /* Cache mode state */ - if (INTEL_GEN(dev_priv) < 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_GEN(dev_priv, 2) && 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_GEN(dev_priv, 2)) { - for (i = 0; i < 7; i++) - dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i)); - } else if (HAS_GMCH(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)); - } - - return 0; -} - -int i915_restore_state(struct drm_i915_private *dev_priv) -{ - struct pci_dev *pdev = dev_priv->drm.pdev; - int i; - - if (IS_GEN(dev_priv, 4)) - pci_write_config_word(pdev, GCDGMBUS, - dev_priv->regfile.saveGCDGMBUS); - i915_restore_display(dev_priv); - - /* Cache mode state */ - if (INTEL_GEN(dev_priv) < 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_GEN(dev_priv, 2) && 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_GEN(dev_priv, 2)) { - for (i = 0; i < 7; i++) - I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]); - } else if (HAS_GMCH(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]); - } - - intel_gmbus_reset(dev_priv); - - return 0; -} |