[Intel-gfx] [PATCH] drm/i915: disable contexts on old HW

[Ben Widawsky]

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).

Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
---
 drivers/gpu/drm/i915/i915_gem_context.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 6dc426a..8fb8cd8 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -243,8 +243,10 @@ void i915_gem_context_init(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	uint32_t ctx_size;
 
-	if (!HAS_HW_CONTEXTS(dev))
+	if (!HAS_HW_CONTEXTS(dev)) {
+		dev_priv->hw_contexts_disabled = true;
 		return;
+	}
 
 	/* If called from reset, or thaw... we've been here already */
 	if (dev_priv->hw_contexts_disabled ||
-- 
1.7.10.4