[Intel-gfx] [PATCH 01/21] drm/i915: Account for the size of the chroma plane for the rotated gtt view

[Ville Syrjälä]

On Tue, Feb 16, 2016 at 11:40:48AM +0000, Tvrtko Ursulin wrote:
> 
> 
> On 15/02/16 20:54, ville.syrjala at linux.intel.com wrote:
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> >
> > The size of the rotated ggtt mapping ought to include the size of the
> > chroma plane as well. Not a huge deal since we don't expose NV12 (or any
> > pother planar format for that matter) yet.
> >
> > Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> > Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> > Fixes: 9e759ff1f4a0 ("drm/i915: Return correct size for rotated views")
> > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > ---
> >   drivers/gpu/drm/i915/i915_gem_gtt.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > index 9127f8f3561c..4ccc8ec7003c 100644
> > --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> > +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > @@ -3636,7 +3636,7 @@ i915_ggtt_view_size(struct drm_i915_gem_object *obj,
> >   	if (view->type == I915_GGTT_VIEW_NORMAL) {
> >   		return obj->base.size;
> >   	} else if (view->type == I915_GGTT_VIEW_ROTATED) {
> > -		return view->params.rotated.size;
> > +		return view->params.rotated.size + view->params.rotated.size_uv;
> >   	} else if (view->type == I915_GGTT_VIEW_PARTIAL) {
> >   		return view->params.partial.size << PAGE_SHIFT;
> >   	} else {
> >
> 
> Oops! But the fixes tag is not correct. NV12 was added after the 
> referenced patch in:
> 
> commit 89e3e1427629027dc33e576fc002880a02a7e50c
> Author: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Date:   Mon Sep 21 10:45:34 2015 +0100
> 
>      drm/i915: Support NV12 in rotated GGTT mapping

I stand corrected.

> 
> Anyway,
> 
> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> And no idea on what is the NV12 support status.

Not there yet. There's a patch in the end of this series that adds some
AUX_DIST stuff. Beyond that we need to resurrect Chandra's NV12 patches
eventually.

-- 
Ville Syrjälä
Intel OTC