[PATCH 5/7] drm/vmwgfx: Stop updating plane->fb

[Ville Syrjälä]

On Fri, Apr 06, 2018 at 07:14:51PM +0000, Deepak Singh Rawat wrote:
> This makes sense once we got rid of plane->fb
> 
> Will this go to drm-next?

The plan is to push to drm-misc-next once we get all
the ducks in a row.

> Could you please CC
> me so that I can do some testing myself. Thanks.

Here's a branch if you want a head start:
git://github.com/vsyrjala/linux.git plane_fb_crtc_nuke_2

I'd definitely appreciate some testing of this stuff. Wouldn't
want to break you stuff accidentally.

> 
> Reviewed-by: Deepak Rawat <drawat at vmware.com>
> 
> 
> > 
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > 
> > We want to get rid of plane->fb on atomic drivers. Stop setting it.
> > 
> > Cc: Thomas Hellstrom <thellstrom at vmware.com>
> > Cc: Sinclair Yeh <syeh at vmware.com>
> > Cc: VMware Graphics <linux-graphics-maintainer at vmware.com>
> > Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > ---
> >  drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 2 --
> >  drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 2 --
> >  2 files changed, 4 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> > b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> > index 648f8127f65a..bbd3f19b1a0b 100644
> > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> > @@ -525,8 +525,6 @@ vmw_sou_primary_plane_atomic_update(struct
> > drm_plane *plane,
> >  		 */
> >  		if (ret != 0)
> >  			DRM_ERROR("Failed to update screen.\n");
> > -
> > -		crtc->primary->fb = plane->state->fb;
> >  	} else {
> >  		/*
> >  		 * When disabling a plane, CRTC and FB should always be
> > NULL
> > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
> > b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
> > index 67331f01ef32..90445bc590cb 100644
> > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
> > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
> > @@ -1285,8 +1285,6 @@ vmw_stdu_primary_plane_atomic_update(struct
> > drm_plane *plane,
> >  							 1, 1, NULL, crtc);
> >  		if (ret)
> >  			DRM_ERROR("Failed to update STDU.\n");
> > -
> > -		crtc->primary->fb = plane->state->fb;
> >  	} else {
> >  		crtc = old_state->crtc;
> >  		stdu = vmw_crtc_to_stdu(crtc);
> > --
> > 2.16.1

-- 
Ville Syrjälä
Intel OTC