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drm/ttm: kill fence_lock

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No users are left, kill it off! :D
Conversion to the reservation api is next on the list, after
that the functionality can be restored with rcu.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
This commit is contained in:
Maarten Lankhorst
2014-01-21 13:07:31 +01:00
parent 7040138ff8
commit dd7cfd6412
17 changed files with 41 additions and 146 deletions
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7
drivers/gpu/drm/radeon/radeon_display.c
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@@ -476,11 +476,6 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
obj = new_radeon_fb->obj;
new_rbo = gem_to_radeon_bo(obj);
spin_lock(&new_rbo->tbo.bdev->fence_lock);
if (new_rbo->tbo.sync_obj)
work->fence = radeon_fence_ref(new_rbo->tbo.sync_obj);
spin_unlock(&new_rbo->tbo.bdev->fence_lock);
/* pin the new buffer */
DRM_DEBUG_DRIVER("flip-ioctl() cur_rbo = %p, new_rbo = %p\n",
work->old_rbo, new_rbo);
@@ -499,6 +494,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
DRM_ERROR("failed to pin new rbo buffer before flip\n");
goto cleanup;
}
work->fence = radeon_fence_ref(new_rbo->tbo.sync_obj);
radeon_bo_get_tiling_flags(new_rbo, &tiling_flags, NULL);
radeon_bo_unreserve(new_rbo);
@@ -582,7 +578,6 @@ cleanup:
drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base);
radeon_fence_unref(&work->fence);
kfree(work);
return r;
}