aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/i915_suspend.c
diff options
context:
space:
mode:
authorAndrew Lutomirski <luto@mit.edu>2009-12-21 10:10:22 -0500
committerEric Anholt <eric@anholt.net>2010-01-06 09:39:53 -0800
commit1d3c36ad4122651018599d4e3c9be0cccfbfb939 (patch)
treec7505143a7b2a1459d8a87c680461692927aec0f /drivers/gpu/drm/i915/i915_suspend.c
parentdrm/i915: execbuf2 support (diff)
downloadlinux-dev-1d3c36ad4122651018599d4e3c9be0cccfbfb939.tar.xz
linux-dev-1d3c36ad4122651018599d4e3c9be0cccfbfb939.zip
drm/i915: Fix RC6 suspend/resume
We restored RC6 twice on resume, even with modesetting off. Instead, only restore it once and skip RC6 initialization entirely in non-KMS mode. Signed-off-by: Andy Lutomirski <luto@mit.edu> Tested-by: Jeff Chua <jeff.chua.linux@gmail.com> Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index d5ebb00a9d49..a3b90c9561dc 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -732,12 +732,6 @@ int i915_save_state(struct drm_device *dev)
pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
- /* Render Standby */
- if (I915_HAS_RC6(dev)) {
- dev_priv->saveRENDERSTANDBY = I915_READ(MCHBAR_RENDER_STANDBY);
- dev_priv->savePWRCTXA = I915_READ(PWRCTXA);
- }
-
/* Hardware status page */
dev_priv->saveHWS = I915_READ(HWS_PGA);
@@ -793,12 +787,6 @@ int i915_restore_state(struct drm_device *dev)
pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
- /* Render Standby */
- if (I915_HAS_RC6(dev)) {
- I915_WRITE(MCHBAR_RENDER_STANDBY, dev_priv->saveRENDERSTANDBY);
- I915_WRITE(PWRCTXA, dev_priv->savePWRCTXA);
- }
-
/* Hardware status page */
I915_WRITE(HWS_PGA, dev_priv->saveHWS);