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authorAndrew Lutomirski <luto@mit.edu>2009-11-08 19:49:51 +0100
committerEric Anholt <eric@anholt.net>2009-12-08 15:32:51 +0100
commit7e8b60faea972604c315634cff62d44803731ea9 (patch)
treea9c6fb0426fd6eac03e974b4c3242218d5996f80 /drivers/gpu/drm/i915/i915_suspend.c
parentdrm/i915: Set the error code after failing to insert new offset into mm ht. (diff)
downloadlinux-7e8b60faea972604c315634cff62d44803731ea9.tar.xz
linux-7e8b60faea972604c315634cff62d44803731ea9.zip
drm/i915: restore render clock gating on resume
Rather than restoring just a few clock gating registers on resume, just reinitialize the whole thing. Signed-off-by: Andy Lutomirski <luto@mit.edu> [anholt: Fixed up for RC6 support landed since the patch was written] 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.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 402a7eb2922c..00f6d97c7cc5 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -722,10 +722,6 @@ int i915_save_state(struct drm_device *dev)
dev_priv->saveIMR = I915_READ(IMR);
}
- /* Clock gating state */
- dev_priv->saveD_STATE = I915_READ(D_STATE);
- dev_priv->saveDSPCLK_GATE_D = I915_READ(DSPCLK_GATE_D); /* Not sure about this */
-
/* Cache mode state */
dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
@@ -800,8 +796,7 @@ int i915_restore_state(struct drm_device *dev)
}
/* Clock gating state */
- I915_WRITE (D_STATE, dev_priv->saveD_STATE);
- I915_WRITE (DSPCLK_GATE_D, dev_priv->saveDSPCLK_GATE_D);
+ intel_init_clock_gating(dev);
/* Cache mode state */
I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);