drm/i915: remove intel_gtt structure
With the probe call in our dispatch table, we can now cut away the
last three remaining members in the intel_gtt shared struct and so
remove it completely.
v2: Rebased on top of Daniel's series
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: bikeshed commit message a bit.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index dee8d5c..d327416 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -406,6 +406,7 @@
unsigned int pg_start,
enum i915_cache_level cache_level);
};
+#define gtt_total_entries(gtt) ((gtt).total >> PAGE_SHIFT)
#define I915_PPGTT_PD_ENTRIES 512
#define I915_PPGTT_PT_ENTRIES 1024
@@ -696,8 +697,6 @@
};
struct i915_gem_mm {
- /** Bridge to intel-gtt-ko */
- struct intel_gtt *gtt;
/** Memory allocator for GTT stolen memory */
struct drm_mm stolen;
/** Memory allocator for GTT */
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 87249e8..f7e0018 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -182,7 +182,8 @@
/* ppgtt PDEs reside in the global gtt pagetable, which has 512*1024
* entries. For aliasing ppgtt support we just steal them at the end for
* now. */
- first_pd_entry_in_global_pt = dev_priv->mm.gtt->gtt_total_entries - I915_PPGTT_PD_ENTRIES;
+ first_pd_entry_in_global_pt =
+ gtt_total_entries(dev_priv->gtt) - I915_PPGTT_PD_ENTRIES;
ppgtt->num_pd_entries = I915_PPGTT_PD_ENTRIES;
ppgtt->clear_range = gen6_ppgtt_clear_range;
@@ -473,7 +474,7 @@
struct drm_i915_private *dev_priv = dev->dev_private;
gtt_pte_t scratch_pte;
gtt_pte_t __iomem *gtt_base = (gtt_pte_t __iomem *) dev_priv->gtt.gsm + first_entry;
- const int max_entries = dev_priv->mm.gtt->gtt_total_entries - first_entry;
+ const int max_entries = gtt_total_entries(dev_priv->gtt) - first_entry;
int i;
if (WARN(num_entries > max_entries,
@@ -634,7 +635,7 @@
unsigned long gtt_size, mappable_size;
int ret;
- gtt_size = dev_priv->mm.gtt->gtt_total_entries << PAGE_SHIFT;
+ gtt_size = dev_priv->gtt.total;
mappable_size = dev_priv->gtt.mappable_end;
if (intel_enable_ppgtt(dev) && HAS_ALIASING_PPGTT(dev)) {
@@ -778,7 +779,6 @@
struct drm_i915_private *dev_priv = dev->dev_private;
iounmap(dev_priv->gtt.gsm);
teardown_scratch_page(dev_priv->dev);
- kfree(dev_priv->mm.gtt);
}
static int i915_gmch_probe(struct drm_device *dev,
@@ -788,22 +788,13 @@
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
- /* This is a temporary hack to make the code cleaner in
- * i915_gem_gtt_init. I promise it will go away very shortly. */
- kfree(dev_priv->mm.gtt);
-
ret = intel_gmch_probe(dev_priv->bridge_dev, dev_priv->dev->pdev, NULL);
if (!ret) {
DRM_ERROR("failed to set up gmch\n");
return -EIO;
}
- dev_priv->mm.gtt = intel_gtt_get();
- if (!dev_priv->mm.gtt) {
- DRM_ERROR("Failed to initialize GTT\n");
- intel_gmch_remove();
- return -ENODEV;
- }
+ intel_gtt_get(gtt_total, stolen);
dev_priv->gtt.do_idle_maps = needs_idle_maps(dev_priv->dev);
dev_priv->gtt.gtt_clear_range = i915_ggtt_clear_range;
@@ -824,10 +815,6 @@
unsigned long gtt_size;
int ret;
- dev_priv->mm.gtt = kzalloc(sizeof(*dev_priv->mm.gtt), GFP_KERNEL);
- if (!dev_priv->mm.gtt)
- return -ENOMEM;
-
gtt->mappable_base = pci_resource_start(dev->pdev, 2);
gtt->mappable_end = pci_resource_len(dev->pdev, 2);
@@ -841,13 +828,8 @@
ret = dev_priv->gtt.gtt_probe(dev, &dev_priv->gtt.total,
&dev_priv->gtt.stolen_size);
- if (ret) {
- kfree(dev_priv->mm.gtt);
+ if (ret)
return ret;
- }
-
- dev_priv->mm.gtt->gtt_total_entries = dev_priv->gtt.total >> PAGE_SHIFT;
- dev_priv->mm.gtt->stolen_size = dev_priv->gtt.stolen_size;
gtt_size = (dev_priv->gtt.total >> PAGE_SHIFT) * sizeof(gtt_pte_t);
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index f21ae17..69d97cb 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -187,11 +187,11 @@
if (dev_priv->mm.stolen_base == 0)
return 0;
- DRM_DEBUG_KMS("found %d bytes of stolen memory at %08lx\n",
- dev_priv->mm.gtt->stolen_size, dev_priv->mm.stolen_base);
+ DRM_DEBUG_KMS("found %zd bytes of stolen memory at %08lx\n",
+ dev_priv->gtt.stolen_size, dev_priv->mm.stolen_base);
/* Basic memrange allocator for stolen space */
- drm_mm_init(&dev_priv->mm.stolen, 0, dev_priv->mm.gtt->stolen_size);
+ drm_mm_init(&dev_priv->mm.stolen, 0, dev_priv->gtt.stolen_size);
return 0;
}
@@ -205,7 +205,7 @@
struct scatterlist *sg;
DRM_DEBUG_DRIVER("offset=0x%x, size=%d\n", offset, size);
- BUG_ON(offset > dev_priv->mm.gtt->stolen_size - size);
+ BUG_ON(offset > dev_priv->gtt.stolen_size - size);
/* We hide that we have no struct page backing our stolen object
* by wrapping the contiguous physical allocation with a fake