On Wed, Oct 14, 2015 at 07:29:06PM +0300, [email protected] wrote:
> From: Ville Syrjälä <[email protected]>
> 
> In case we have multiple different rotated views into the same object,
> each one may need its own vma due to being of different sizes. So don't
> treat all rotated views as equal.
> 
> Signed-off-by: Ville Syrjälä <[email protected]>
> ---
>  drivers/gpu/drm/i915/i915_gem_gtt.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h 
> b/drivers/gpu/drm/i915/i915_gem_gtt.h
> index caa182f..68de734 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.h
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
> @@ -553,6 +553,8 @@ i915_ggtt_view_equal(const struct i915_ggtt_view *a,
>  
>       if (a->type != b->type)
>               return false;
> +     if (a->type == I915_GGTT_VIEW_ROTATED)
> +             return !memcmp(&a->rotated, &b->rotated, sizeof(a->rotated));

We should take my "[PATCH 3/3] drm/i915: Fix i915_ggtt_view_equal to
handle rotation correctly" instead since being more strict here means
intel_plane_obj_offset won't find the prepared view any more.

Another reasons to just track the vma in the plane_state.
-Daniel
>       if (a->type == I915_GGTT_VIEW_PARTIAL)
>               return !memcmp(&a->partial, &b->partial, sizeof(a->partial));
>       return true;
> -- 
> 2.4.9
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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