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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.c | |
| parent | 934f992c763ae1e5eefcce8af769c16444085df7 (diff) | |
| download | kernel_samsung_smdk4412-bee4a186c16bed0d7e91425ca9356c2e8c015f8d.zip kernel_samsung_smdk4412-bee4a186c16bed0d7e91425ca9356c2e8c015f8d.tar.gz kernel_samsung_smdk4412-bee4a186c16bed0d7e91425ca9356c2e8c015f8d.tar.bz2 | |
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.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 812b97b..cf4f74c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -140,12 +140,16 @@ void i915_gem_do_init(struct drm_device *dev, { drm_i915_private_t *dev_priv = dev->dev_private; - drm_mm_init(&dev_priv->mm.gtt_space, start, - end - start); + drm_mm_init(&dev_priv->mm.gtt_space, start, end - start); + dev_priv->mm.gtt_start = start; + dev_priv->mm.gtt_mappable_end = mappable_end; + dev_priv->mm.gtt_end = end; dev_priv->mm.gtt_total = end - start; dev_priv->mm.mappable_gtt_total = min(end, mappable_end) - start; - dev_priv->mm.gtt_mappable_end = mappable_end; + + /* Take over this portion of the GTT */ + intel_gtt_clear_range(start / PAGE_SIZE, (end-start) / PAGE_SIZE); } int |