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| author |   Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-01-05 11:25:06 +0800 |
|---|---|---|
| committer |   Eric Anholt <eric@anholt.net> | 2010-01-15 14:50:14 -0800 |
| commit | 9b974cc17166d31afed2638d56bdbf9829afbfaa (patch) | |
| tree | 3c129919c69d932282b7c5fb7c712914547bf9fa /drivers/gpu/drm/i915/i915_dma.c | |
| parent | drm/i915: fix eDP pipe mask (diff) | |
| download | linux-dev-9b974cc17166d31afed2638d56bdbf9829afbfaa.tar.xz linux-dev-9b974cc17166d31afed2638d56bdbf9829afbfaa.zip | |
drm/i915: enable 36bit physical address for hardware status page
This enables possible 36bit address mask on 965G that use physical
address for hw status page.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index bbe47812e4b6..e660ac07f3b2 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -134,6 +134,10 @@ static int i915_init_phys_hws(struct drm_device *dev) memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + if (IS_I965G(dev)) + dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) & + 0xf0; + I915_WRITE(HWS_PGA, dev_priv->dma_status_page); DRM_DEBUG_DRIVER("Enabled hardware status page\n"); return 0; |