package/kernel/linux/hotfix-gma500.patch

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   2 # T2 SDE: package/*/linux/hotfix-gma500.patch
   3 # Copyright (C) 2024 The T2 SDE Project
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   6 # more information can be found in the files COPYING and README.
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   8 # This patch file is dual-licensed. It is available under the license the
   9 # patched project is licensed under, as long as it is an OpenSource license
  10 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  11 # of the GNU General Public License version 2 as used by the T2 SDE.
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  13
  14 inf. loops on: Sony Corporation VGN-P91S/VAIO, BIOS R2073U3 01/13/2010
  15
  16 [  926.465851]  ? ioread32+0x9/0x27
  17 [  926.465862]  ? REGISTER_READ+0x10/0x12 [gma500_gfx]
  18 [  926.465904]  ? psb_intel_lvds_set_power+0x9e/0xae [gma500_gfx]
  19
  20 --- linux-6.8/drivers/gpu/drm/gma500/psb_intel_lvds.c.vanilla   2024-03-31 12:52:20.044961170 +0200
  21 +++ linux-6.8/drivers/gpu/drm/gma500/psb_intel_lvds.c   2024-03-31 12:48:45.654963758 +0200
  22 @@ -240,14 +240,16 @@
  23
  24  static void psb_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
  25  {
  26 +    if (0) {
  27         struct drm_device *dev = encoder->dev;
  28
  29         if (mode == DRM_MODE_DPMS_ON)
  30                 psb_intel_lvds_set_power(dev, true);
  31         else
  32                 psb_intel_lvds_set_power(dev, false);
  33
  34         /* XXX: We never power down the LVDS pairs. */
  35 +    }
  36  }
  37
  38  static void psb_intel_lvds_save(struct drm_connector *connector)