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authorChris Wilson <chris@chris-wilson.co.uk>2010-11-09 10:16:56 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2010-11-11 17:46:00 +0000
commite74cfed521746544e6eeee84b24bd31c1e59ffe2 (patch)
treefe7d41f0b6cf278f3b8ac1005615ac31d4cf70a8 /drivers/gpu/drm/i915/intel_ringbuffer.c
parentcae5852dcaa1139b198e13ebd3aeb7f3c065f875 (diff)
Revert "drm/i915/ringbuffer: Ignore failure to setup the ring on Sandybridge"
This reverts commit 629e894173c9de589913cf649deaadec4b0579bd.
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c32
1 files changed, 8 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 99f2c96a9c7..1db860d7989 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -180,30 +180,14 @@ static int init_ring_common(struct intel_ring_buffer *ring)
if ((I915_READ_CTL(ring) & RING_VALID) == 0 ||
I915_READ_START(ring) != obj_priv->gtt_offset ||
(I915_READ_HEAD(ring) & HEAD_ADDR) != 0) {
- if (IS_GEN6(ring->dev) && ring->dev->pdev->revision <= 8) {
- /* Early revisions of Sandybridge do not like
- * revealing the contents of the ring buffer
- * registers whilst idle. Fortunately, the
- * auto-reporting mechanism prevents most hangs,
- * but this will bite us eventually...
- */
- DRM_DEBUG("%s initialization failed "
- "ctl %08x head %08x tail %08x start %08x. Ignoring, hope for the best!\n",
- ring->name,
- I915_READ_CTL(ring),
- I915_READ_HEAD(ring),
- I915_READ_TAIL(ring),
- I915_READ_START(ring));
- } else {
- DRM_ERROR("%s initialization failed "
- "ctl %08x head %08x tail %08x start %08x\n",
- ring->name,
- I915_READ_CTL(ring),
- I915_READ_HEAD(ring),
- I915_READ_TAIL(ring),
- I915_READ_START(ring));
- return -EIO;
- }
+ DRM_ERROR("%s initialization failed "
+ "ctl %08x head %08x tail %08x start %08x\n",
+ ring->name,
+ I915_READ_CTL(ring),
+ I915_READ_HEAD(ring),
+ I915_READ_TAIL(ring),
+ I915_READ_START(ring));
+ return -EIO;
}
if (!drm_core_check_feature(ring->dev, DRIVER_MODESET))