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drm/i915: Move legacy breadcrumb out of the reserved status page area

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Addresses in the hardware status page below index 0x20 are reserved for use
by the hardware. The legacy breadcrumb was sitting at index 5. Move it to
index 0x21, and make sure everyone uses the defined value instead of
hard-coded constants.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Keith Packard
2008-11-08 11:44:14 +10:00
committed by Dave Airlie
parent afa21e0584
commit 0baf823a10
3 changed files with 8 additions and 11 deletions
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10
drivers/gpu/drm/i915/i915_dma.c
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@@ -445,7 +445,7 @@ static void i915_emit_breadcrumb(struct drm_device *dev)
BEGIN_LP_RING(4);
OUT_RING(MI_STORE_DWORD_INDEX);
OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT);
OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
OUT_RING(dev_priv->counter);
OUT_RING(0);
ADVANCE_LP_RING();
@@ -576,7 +576,7 @@ static int i915_dispatch_flip(struct drm_device * dev)
BEGIN_LP_RING(4);
OUT_RING(MI_STORE_DWORD_INDEX);
OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT);
OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
OUT_RING(dev_priv->counter);
OUT_RING(0);
ADVANCE_LP_RING();
@@ -611,7 +611,6 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 *hw_status = dev_priv->hw_status_page;
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
dev_priv->sarea_priv;
drm_i915_batchbuffer_t *batch = data;
@@ -637,7 +636,7 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
mutex_unlock(&dev->struct_mutex);
if (sarea_priv)
sarea_priv->last_dispatch = (int)hw_status[5];
sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
return ret;
}
@@ -645,7 +644,6 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 *hw_status = dev_priv->hw_status_page;
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
dev_priv->sarea_priv;
drm_i915_cmdbuffer_t *cmdbuf = data;
@@ -673,7 +671,7 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
}
if (sarea_priv)
sarea_priv->last_dispatch = (int)hw_status[5];
sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
return 0;
}