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Commit e158c5aa authored Jun 17, 2012 by Ben Widawsky Committed by Daniel Vetter Jun 18, 2012

drm/i915: disable contexts on old HW



This got dropped as a result of the last round of comments. I didn't
test it on unsupported HW (which this is likely the case).

Note that this prevents hw context from blowing up on any pre-gen6 hw.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=51142


[danvet: Added note and buglink.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent 39fb50f6

drivers/gpu/drm/i915/i915_gem_context.c

+3 −1

Original line number	Original line	Diff line number	Diff line
	@@ -243,8 +243,10 @@ void i915_gem_context_init(struct drm_device *dev)
	struct drm_i915_private *dev_priv = dev->dev_private;		struct drm_i915_private *dev_priv = dev->dev_private;
	uint32_t ctx_size;		uint32_t ctx_size;

	if (!HAS_HW_CONTEXTS(dev))		if (!HAS_HW_CONTEXTS(dev)) {
			dev_priv->hw_contexts_disabled = true;
	return;		return;
			}

	/* If called from reset, or thaw... we've been here already */		/* If called from reset, or thaw... we've been here already */
	if (dev_priv->hw_contexts_disabled \|\|		if (dev_priv->hw_contexts_disabled \|\|