drm/i915: don't set up gem ring functions on gen5 for !kms
We already disallow initialition of gem in this case in the
corresponding ioctl, so don't bother setting up the gem support ring
functions in the legacy dri render ring init.
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index ac05c74..6b3ff37 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1342,21 +1342,17 @@
if (INTEL_INFO(dev)->gen >= 6) {
/* non-kms not supported on gen6+ */
return -ENODEV;
- } else if (IS_GEN5(dev)) {
- ring->add_request = pc_render_add_request;
- ring->flush = render_ring_flush;
- ring->get_seqno = pc_render_get_seqno;
- ring->irq_get = gen5_ring_get_irq;
- ring->irq_put = gen5_ring_put_irq;
- ring->irq_enable_mask = GT_USER_INTERRUPT | GT_PIPE_NOTIFY;
- } else {
- ring->add_request = i9xx_add_request;
- ring->flush = render_ring_flush;
- ring->get_seqno = ring_get_seqno;
- ring->irq_get = i9xx_ring_get_irq;
- ring->irq_put = i9xx_ring_put_irq;
- ring->irq_enable_mask = I915_USER_INTERRUPT;
}
+
+ /* Note: gem is not supported on gen5/ilk without kms (the corresponding
+ * gem_init ioctl returns with -ENODEV). Hence we do not need to set up
+ * the special gen5 functions. */
+ ring->add_request = i9xx_add_request;
+ ring->flush = render_ring_flush;
+ ring->get_seqno = ring_get_seqno;
+ ring->irq_get = i9xx_ring_get_irq;
+ ring->irq_put = i9xx_ring_put_irq;
+ ring->irq_enable_mask = I915_USER_INTERRUPT;
ring->write_tail = ring_write_tail;
if (INTEL_INFO(dev)->gen >= 4)
ring->dispatch_execbuffer = i965_dispatch_execbuffer;