[PATCH v3 6/7] drm/i915: Eliminate superfluous i915_ggtt_view_rotated

Chris Wilson
2017-01-13T10:33:25Z

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(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 06cfd6951a5e..46e04676e011 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -106,9 +106,6 @@ 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,
-};

static void gen6_ggtt_invalidate(struct drm_i915_private *dev_priv)
{
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index 560fd8ddaf2c..2a8b25742d72 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -183,7 +183,6 @@ 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 f4be20f0198a..f523256ef77c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2137,11 +2137,10 @@ 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;
}
}

--
2.11.0