[Intel-gfx] [PATCH 13/14] drm/i915: don't set up gem ring functions on gen5 for !kms

[Daniel Vetter]

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.

Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/intel_ringbuffer.c |   24 ++++++++++--------------
 1 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 111981a..108bfd6 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1336,21 +1336,17 @@ int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size)
 	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;
-- 
1.7.7.5