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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-01-21 10:54:32 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-01-24 18:26:25 +0000 |
| commit | bee4a186c16bed0d7e91425ca9356c2e8c015f8d (patch) | |
| tree | 66d01e18c48fb0dfd9970c169d0f5baa0adaa0fe /drivers/gpu/drm/i915/i915_gem_gtt.c | |
| parent | 934f992c763ae1e5eefcce8af769c16444085df7 (diff) | |
| download | blackbird-obmc-linux-bee4a186c16bed0d7e91425ca9356c2e8c015f8d.tar.gz blackbird-obmc-linux-bee4a186c16bed0d7e91425ca9356c2e8c015f8d.zip | |
drm/i915,agp/intel: Do not clear stolen entries
We can only utilize the stolen portion of the GTT if we are in sole
charge of the hardware. This is only true if using GEM and KMS,
otherwise VESA continues to access stolen memory.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Frederic Weisbecker <fweisbec@gmail.com>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Tested-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 70433ae50ac8..b0abdc64aa9f 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -34,6 +34,10 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj; + /* First fill our portion of the GTT with scratch pages */ + intel_gtt_clear_range(dev_priv->mm.gtt_start / PAGE_SIZE, + (dev_priv->mm.gtt_end - dev_priv->mm.gtt_start) / PAGE_SIZE); + list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) { i915_gem_clflush_object(obj); |
