[Intel-gfx] [PATCH 2/5] drm/i915: Convert i915_ggtt_view to use an anonymous union
Chris Wilson
chris at chris-wilson.co.uk
Thu Dec 22 10:56:22 UTC 2016
Save a lot of characters by making the union anonymous, with the
side-effect of ignoring unset bits when comparing views.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_gem.c | 8 ++++----
drivers/gpu/drm/i915/i915_gem_gtt.c | 9 ++++-----
drivers/gpu/drm/i915/i915_gem_gtt.h | 2 +-
drivers/gpu/drm/i915/i915_vma.c | 9 ++++-----
drivers/gpu/drm/i915/i915_vma.h | 15 ++++++++++++---
drivers/gpu/drm/i915/intel_display.c | 2 +-
6 files changed, 26 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 32da5ac29cdb..a0dc8cbc2aa4 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1865,10 +1865,10 @@ int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf)
memset(&view, 0, sizeof(view));
view.type = I915_GGTT_VIEW_PARTIAL;
- view.params.partial.offset = rounddown(page_offset, chunk_size);
- view.params.partial.size =
+ view.partial.offset = rounddown(page_offset, chunk_size);
+ view.partial.size =
min_t(unsigned int, chunk_size,
- vma_pages(area) - view.params.partial.offset);
+ vma_pages(area) - view.partial.offset);
/* If the partial covers the entire object, just create a
* normal VMA.
@@ -1903,7 +1903,7 @@ int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf)
/* Finally, remap it using the new GTT offset */
ret = remap_io_mapping(area,
- area->vm_start + (vma->ggtt_view.params.partial.offset << PAGE_SHIFT),
+ area->vm_start + (vma->ggtt_view.partial.offset << PAGE_SHIFT),
(ggtt->mappable_base + vma->node.start) >> PAGE_SHIFT,
min_t(u64, vma->size, area->vm_end - area->vm_start),
&ggtt->mappable);
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 5eda33c17abc..d6fa8f740f23 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3457,7 +3457,7 @@ intel_partial_pages(const struct i915_ggtt_view *view,
{
struct sg_table *st;
struct scatterlist *sg, *iter;
- unsigned int count = view->params.partial.size;
+ unsigned int count = view->partial.size;
unsigned int offset;
int ret = -ENOMEM;
@@ -3469,9 +3469,7 @@ intel_partial_pages(const struct i915_ggtt_view *view,
if (ret)
goto err_sg_alloc;
- iter = i915_gem_object_get_sg(obj,
- view->params.partial.offset,
- &offset);
+ iter = i915_gem_object_get_sg(obj, view->partial.offset, &offset);
GEM_BUG_ON(!iter);
sg = st->sgl;
@@ -3523,7 +3521,8 @@ i915_get_ggtt_vma_pages(struct i915_vma *vma)
vma->pages = vma->obj->mm.pages;
else if (vma->ggtt_view.type == I915_GGTT_VIEW_ROTATED)
vma->pages =
- intel_rotate_fb_obj_pages(&vma->ggtt_view.params.rotated, vma->obj);
+ intel_rotate_fb_obj_pages(&vma->ggtt_view.rotated,
+ vma->obj);
else if (vma->ggtt_view.type == I915_GGTT_VIEW_PARTIAL)
vma->pages = intel_partial_pages(&vma->ggtt_view, vma->obj);
else
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index 4c7bef07e38a..25614feccdba 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -164,7 +164,7 @@ struct i915_ggtt_view {
unsigned int size;
} partial;
struct intel_rotation_info rotated;
- } params;
+ };
};
extern const struct i915_ggtt_view i915_ggtt_view_normal;
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 3229f37eabea..4c8f545d15ff 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -96,15 +96,14 @@ __i915_vma_create(struct drm_i915_gem_object *obj,
vma->ggtt_view = *view;
if (view->type == I915_GGTT_VIEW_PARTIAL) {
GEM_BUG_ON(range_overflows_t(u64,
- view->params.partial.offset,
- view->params.partial.size,
+ view->partial.offset,
+ view->partial.size,
obj->base.size >> PAGE_SHIFT));
- vma->size = view->params.partial.size;
+ vma->size = view->partial.size;
vma->size <<= PAGE_SHIFT;
GEM_BUG_ON(vma->size >= obj->base.size);
} else if (view->type == I915_GGTT_VIEW_ROTATED) {
- vma->size =
- intel_rotation_info_size(&view->params.rotated);
+ vma->size = intel_rotation_info_size(&view->rotated);
vma->size <<= PAGE_SHIFT;
}
}
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index e3b2b3b1e056..edd8b2647eb7 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -202,9 +202,18 @@ i915_vma_compare(struct i915_vma *vma,
if (vma->ggtt_view.type != view->type)
return vma->ggtt_view.type - view->type;
- return memcmp(&vma->ggtt_view.params,
- &view->params,
- sizeof(view->params));
+ switch (view->type) {
+ case I915_GGTT_VIEW_ROTATED:
+ return memcmp(&vma->ggtt_view.rotated,
+ &view->rotated,
+ sizeof(view->rotated));
+ case I915_GGTT_VIEW_PARTIAL:
+ return memcmp(&vma->ggtt_view.partial,
+ &view->partial,
+ sizeof(view->partial));
+ default:
+ return 0;
+ }
}
int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ef5dde5ab1cf..3608787730c4 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2140,7 +2140,7 @@ intel_fill_fb_ggtt_view(struct i915_ggtt_view *view,
{
if (drm_rotation_90_or_270(rotation)) {
*view = i915_ggtt_view_rotated;
- view->params.rotated = to_intel_framebuffer(fb)->rot_info;
+ view->rotated = to_intel_framebuffer(fb)->rot_info;
} else {
*view = i915_ggtt_view_normal;
}
--
2.11.0
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