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drm/i915: Release fenced GTT mapping on suspend 

... so that upon first use after resume we will reacquire the fence reg.

Reported-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-11-27 17:38:29 +00:00
parent 3619df035e
commit 7d2cb39c33
1 changed files with 9 additions and 2 deletions
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11
drivers/gpu/drm/i915/i915_gem.c
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@ -1794,8 +1794,15 @@ static void i915_gem_reset_fences(struct drm_device *dev)
for (i = 0; i < 16; i++) {
struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i];
if (reg->obj)
i915_gem_clear_fence_reg(reg->obj);
struct drm_i915_gem_object *obj = reg->obj;
if (!obj)
continue;
if (obj->tiling_mode)
i915_gem_release_mmap(obj);
i915_gem_clear_fence_reg(obj);
}
}