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| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-12-03 18:52:43 +0100 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-12-07 21:11:52 +0100 |
| commit | 85364905f9ae12d19cb34099257d493e5d9a0c4e (patch) | |
| tree | 21355931ce3f3b2ddb7c07e0d4207179d5251989 /drivers/gpu/drm/i915 | |
| parent | drm/i915: pageflip fixes (diff) | |
| download | linux-85364905f9ae12d19cb34099257d493e5d9a0c4e.tar.xz linux-85364905f9ae12d19cb34099257d493e5d9a0c4e.zip | |
drm/i915: warn if Pineview CxSR can't be enabled
If we don't detect a supported memory configuration, we can't enable
CxSR. Warn the user in this case so they can file a bug.
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 22dcd0851637..6b9dd672dd59 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4740,6 +4740,13 @@ void intel_modeset_init(struct drm_device *dev) (unsigned long)dev); intel_setup_overlay(dev); + + if (IS_IGD(dev) && !intel_get_cxsr_latency(IS_IGDG(dev), + dev_priv->fsb_freq, + dev_priv->mem_freq)) + DRM_INFO("failed to find known CxSR latency " + "(found fsb freq %d, mem freq %d), disabling CxSR\n", + dev_priv->fsb_freq, dev_priv->mem_freq); } void intel_modeset_cleanup(struct drm_device *dev) |