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[07/10] drm/i915: Eliminate superfluous i915_ggtt_view_rotated

Message ID 20161223145804.6605-7-chris@chris-wilson.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Chris Wilson Dec. 23, 2016, 2:58 p.m. UTC 
It is only being used to clear a struct and set the type, after which it
is overwritten. Since we no longer check the unset bits of the union,
skipping the clear is permissible.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c  | 3 ---
 drivers/gpu/drm/i915/i915_gem_gtt.h  | 1 -
 drivers/gpu/drm/i915/intel_display.c | 5 ++---
 3 files changed, 2 insertions(+), 7 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 7903a7480715..f60665459802 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -102,9 +102,6 @@  i915_get_ggtt_vma_pages(struct i915_vma *vma);
 const struct i915_ggtt_view i915_ggtt_view_normal = {
 	.type = I915_GGTT_VIEW_NORMAL,
 };
-const struct i915_ggtt_view i915_ggtt_view_rotated = {
-	.type = I915_GGTT_VIEW_ROTATED,
-};
 
 int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
 			       	int enable_ppgtt)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index f3d71b6cc702..513fe4db7899 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -168,7 +168,6 @@  struct i915_ggtt_view {
 };
 
 extern const struct i915_ggtt_view i915_ggtt_view_normal;
-extern const struct i915_ggtt_view i915_ggtt_view_rotated;
 
 enum i915_cache_level;
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5869efea22fa..26c0947fdc6e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2138,11 +2138,10 @@  intel_fill_fb_ggtt_view(struct i915_ggtt_view *view,
 			const struct drm_framebuffer *fb,
 			unsigned int rotation)
 {
+	view->type = I915_GGTT_VIEW_NORMAL;
 	if (drm_rotation_90_or_270(rotation)) {
-		*view = i915_ggtt_view_rotated;
+		view->type = I915_GGTT_VIEW_ROTATED;
 		view->rotated = to_intel_framebuffer(fb)->rot_info;
-	} else {
-		*view = i915_ggtt_view_normal;
 	}
 }