diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c deleted file mode 100644 index 81def10eb58f..000000000000 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ /dev/null @@ -1,124 +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_de.h" -#include "display/intel_gmbus.h" -#include "display/intel_vga.h" - -#include "i915_drv.h" -#include "i915_reg.h" -#include "i915_suspend.h" -#include "intel_pci_config.h" - -static void intel_save_swf(struct drm_i915_private *dev_priv) -{ - int i; - - /* Scratch space */ - if (GRAPHICS_VER(dev_priv) == 2 && IS_MOBILE(dev_priv)) { - for (i = 0; i < 7; i++) { - dev_priv->regfile.saveSWF0[i] = intel_de_read(dev_priv, SWF0(i)); - dev_priv->regfile.saveSWF1[i] = intel_de_read(dev_priv, SWF1(i)); - } - for (i = 0; i < 3; i++) - dev_priv->regfile.saveSWF3[i] = intel_de_read(dev_priv, SWF3(i)); - } else if (GRAPHICS_VER(dev_priv) == 2) { - for (i = 0; i < 7; i++) - dev_priv->regfile.saveSWF1[i] = intel_de_read(dev_priv, SWF1(i)); - } else if (HAS_GMCH(dev_priv)) { - for (i = 0; i < 16; i++) { - dev_priv->regfile.saveSWF0[i] = intel_de_read(dev_priv, SWF0(i)); - dev_priv->regfile.saveSWF1[i] = intel_de_read(dev_priv, SWF1(i)); - } - for (i = 0; i < 3; i++) - dev_priv->regfile.saveSWF3[i] = intel_de_read(dev_priv, SWF3(i)); - } -} - -static void intel_restore_swf(struct drm_i915_private *dev_priv) -{ - int i; - - /* Scratch space */ - if (GRAPHICS_VER(dev_priv) == 2 && IS_MOBILE(dev_priv)) { - for (i = 0; i < 7; i++) { - intel_de_write(dev_priv, SWF0(i), dev_priv->regfile.saveSWF0[i]); - intel_de_write(dev_priv, SWF1(i), dev_priv->regfile.saveSWF1[i]); - } - for (i = 0; i < 3; i++) - intel_de_write(dev_priv, SWF3(i), dev_priv->regfile.saveSWF3[i]); - } else if (GRAPHICS_VER(dev_priv) == 2) { - for (i = 0; i < 7; i++) - intel_de_write(dev_priv, SWF1(i), dev_priv->regfile.saveSWF1[i]); - } else if (HAS_GMCH(dev_priv)) { - for (i = 0; i < 16; i++) { - intel_de_write(dev_priv, SWF0(i), dev_priv->regfile.saveSWF0[i]); - intel_de_write(dev_priv, SWF1(i), dev_priv->regfile.saveSWF1[i]); - } - for (i = 0; i < 3; i++) - intel_de_write(dev_priv, SWF3(i), dev_priv->regfile.saveSWF3[i]); - } -} - -void i915_save_display(struct drm_i915_private *dev_priv) -{ - struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); - - if (!HAS_DISPLAY(dev_priv)) - return; - - /* Display arbitration control */ - if (GRAPHICS_VER(dev_priv) <= 4) - dev_priv->regfile.saveDSPARB = intel_de_read(dev_priv, DSPARB); - - if (GRAPHICS_VER(dev_priv) == 4) - pci_read_config_word(pdev, GCDGMBUS, - &dev_priv->regfile.saveGCDGMBUS); - - intel_save_swf(dev_priv); -} - -void i915_restore_display(struct drm_i915_private *dev_priv) -{ - struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); - - if (!HAS_DISPLAY(dev_priv)) - return; - - intel_restore_swf(dev_priv); - - if (GRAPHICS_VER(dev_priv) == 4) - pci_write_config_word(pdev, GCDGMBUS, - dev_priv->regfile.saveGCDGMBUS); - - /* Display arbitration */ - if (GRAPHICS_VER(dev_priv) <= 4) - intel_de_write(dev_priv, DSPARB, dev_priv->regfile.saveDSPARB); - - intel_vga_redisable(dev_priv); - - intel_gmbus_reset(dev_priv); -} |