Save a lot of characters by making the union anonymous, with the
side-effect of ignoring unset bits when comparing views.

v2: Roll up the memcmps back into one.

Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
---
 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      | 18 ++++++++++++------
 drivers/gpu/drm/i915/intel_display.c |  2 +-
 6 files changed, 26 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 1fa86e3f6440..1281f0fa45f6 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1866,10 +1866,10 @@ 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.
@@ -1904,7 +1904,7 @@ 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 6af9311f72f5..7903a7480715 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3466,7 +3466,7 @@ 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;
 
@@ -3478,9 +3478,7 @@ 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;
@@ -3532,7 +3530,8 @@ 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 0055b8567a43..f3d71b6cc702 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 868d061e1a11..b7d7eb1540a9 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..562635c959c8 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -199,12 +199,18 @@ i915_vma_compare(struct i915_vma *vma,
        if (!view)
                return vma->ggtt_view.type;
 
-       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:
+               cmp = sizeof(view->rotated) + sizeof(view->type);
+               break;
+       case I915_GGTT_VIEW_PARTIAL:
+               cmp = sizeof(view->partial) + sizeof(view->type);
+               break;
+       default:
+               cmp = sizeof(view->type);
+               break;
+       }
+       return memcmp(&vma->ggtt_view, view, cmp);
 }
 
 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 d8effd4da034..5869efea22fa 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

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to