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drm/i915: fix up ring cleanup for the i830/i845 CS tlb w/a

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It's not a good idea to also run the pipe_control cleanup.

This regression has been introduced whith the original cs tlb w/a in

commit b45305fce5
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Mon Dec 17 16:21:27 2012 +0100

    drm/i915: Implement workaround for broken CS tlb on i830/845

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64610
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-07-05 23:39:50 +02:00
parent 067556084a
commit aaf8a51672
1 changed files with 4 additions and 5 deletions
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7
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -534,9 +534,6 @@ cleanup_pipe_control(struct intel_ring_buffer *ring)
struct pipe_control *pc = ring->private;
struct drm_i915_gem_object *obj;
if (!ring->private)
return;
obj = pc->obj;
kunmap(sg_page(obj->pages->sgl));
@ -544,7 +541,6 @@ cleanup_pipe_control(struct intel_ring_buffer *ring)
drm_gem_object_unreference(&obj->base);
kfree(pc);
ring->private = NULL;
}
static int init_render_ring(struct intel_ring_buffer *ring)
@ -617,7 +613,10 @@ static void render_ring_cleanup(struct intel_ring_buffer *ring)
if (HAS_BROKEN_CS_TLB(dev))
drm_gem_object_unreference(to_gem_object(ring->private));
if (INTEL_INFO(dev)->gen >= 5)
cleanup_pipe_control(ring);
ring->private = NULL;
}
static void