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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-07-05 23:39:50 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-07-09 16:31:49 +0200 |
| commit | aaf8a5167291b65e9116cb8736d862965b57c13a (patch) | |
| tree | 41ffcdbe75d6d0a4646320e4f5aefc502456aa1d /drivers/gpu/drm | |
| parent | 067556084a0e412013af6b0250a3143ae5afde6d (diff) | |
| download | linux-aaf8a5167291b65e9116cb8736d862965b57c13a.tar.bz2 | |
drm/i915: fix up ring cleanup for the i830/i845 CS tlb w/a
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 b45305fce5bb1abec263fcff9d81ebecd6306ede
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>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 18ca76e3e5ef..664118d8c1d6 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -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)); - cleanup_pipe_control(ring); + if (INTEL_INFO(dev)->gen >= 5) + cleanup_pipe_control(ring); + + ring->private = NULL; } static void |