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authorBen Gamari <bgamari.foss@gmail.com>2009-09-14 17:48:45 -0400
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-09-17 14:36:22 -0700
commit11ed50ec2a316928c2bacc1149bded86c6a96068 (patch)
treeb363e00c943a34a04c1d48ec747d0a41f920e567 /drivers/gpu/drm/i915/i915_dma.c
parentf65d94211e2bcba17faf05a6a3809af0e4217767 (diff)
downloadop-kernel-dev-11ed50ec2a316928c2bacc1149bded86c6a96068.zip
op-kernel-dev-11ed50ec2a316928c2bacc1149bded86c6a96068.tar.gz
drm/i915: Implement GPU reset on i965
This patch puts in place the machinery to attempt to reset the GPU. This will be used when attempting to recover from a GPU hang. Signed-off-by: Owain G. Ainsworth <oga@openbsd.org> Signed-off-by: Ben Gamari <bgamari.foss@gmail.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 08a5048..f47adb4 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1173,6 +1173,9 @@ static int i915_load_modeset_init(struct drm_device *dev,
drm_mm_init(&dev_priv->vram, 0, prealloc_size);
DRM_INFO("set up %ldM of stolen space\n", prealloc_size / (1024*1024));
+ /* We're off and running w/KMS */
+ dev_priv->mm.suspended = 0;
+
/* Let GEM Manage from end of prealloc space to end of aperture.
*
* However, leave one page at the end still bound to the scratch page.
@@ -1184,7 +1187,9 @@ static int i915_load_modeset_init(struct drm_device *dev,
*/
i915_gem_do_init(dev, prealloc_size, agp_size - 4096);
+ mutex_lock(&dev->struct_mutex);
ret = i915_gem_init_ringbuffer(dev);
+ mutex_unlock(&dev->struct_mutex);
if (ret)
goto out;
@@ -1433,6 +1438,9 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
return ret;
}
+ /* Start out suspended */
+ dev_priv->mm.suspended = 1;
+
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = i915_load_modeset_init(dev, prealloc_start,
prealloc_size, agp_size);
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