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drm/i915: kill pointless clearing of dev_priv->hws_map 

We kzalloc dev_priv, and we never use hws_map in intel_ringbuffer.c.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-04-26 23:28:14 +02:00
parent b3daeaef55
commit 627965ad3e
1 changed files with 0 additions and 5 deletions
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5
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -890,7 +890,6 @@ i915_dispatch_execbuffer(struct intel_ring_buffer *ring,
static void cleanup_status_page(struct intel_ring_buffer *ring)
{
drm_i915_private_t *dev_priv = ring->dev->dev_private;
struct drm_i915_gem_object *obj;
obj = ring->status_page.obj;
@ -901,14 +900,11 @@ static void cleanup_status_page(struct intel_ring_buffer *ring)
i915_gem_object_unpin(obj);
drm_gem_object_unreference(&obj->base);
ring->status_page.obj = NULL;
memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
}
static int init_status_page(struct intel_ring_buffer *ring)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
int ret;
@ -929,7 +925,6 @@ static int init_status_page(struct intel_ring_buffer *ring)
ring->status_page.gfx_addr = obj->gtt_offset;
ring->status_page.page_addr = kmap(obj->pages[0]);
if (ring->status_page.page_addr == NULL) {
memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
goto err_unpin;
}
ring->status_page.obj = obj;