From 11ed50ec2a316928c2bacc1149bded86c6a96068 Mon Sep 17 00:00:00 2001 From: Ben Gamari Date: Mon, 14 Sep 2009 17:48:45 -0400 Subject: 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 Signed-off-by: Ben Gamari Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/i915_dma.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/gpu/drm/i915/i915_dma.c') diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 08a5048335e1..f47adb4aa59a 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); -- cgit v1.2.3