Re: [PATCH] drm/i915: Fix compilation (panel orientation x enum plane rename).

[Joonas Lahtinen <joonas.lahtinen@linux.intel.com>]

On Tue, 2017-12-05 at 09:18 +0100, Hans de Goede wrote:
> Hi,
> 
> On 05-12-17 01:58, Rodrigo Vivi wrote:
> > On Tue, Dec 05, 2017 at 12:09:35AM +0000, Michel Thierry wrote:
> > > On 12/4/2017 4:04 PM, Rodrigo Vivi wrote:
> > > > When commit '82daca297506 ("drm/i915: Add "panel orientation"
> > > > property to the panel connector, v6.")' was done and tested
> > > > by CI, commit 'ed15030d7ab0 ("drm/i915: s/enum plane/enum
> > > > i9xx_plane_id/")' wasn't there already.
> > 
> > Ops, the biggest issue now is that one patch is on drm-misc-next while
> > the other one is on drm-intel-next-queued.
> > 
> > I would just revert this from drm-misc-next and apply it to dinq
> > with a new fixed version or with this patch on top. But I'm not taking
> > any harsh decision without ack from drm-misc maintainers.
> > 
> > I will check to see if I get some ack or better ideas tonight before going
> > to bed or in a hope that someone in Europe timezone get this in the morning
> > and fix it.
> 
> Ugh, sorry, I tested that I did not break drm-misc-next compilation,
> but I did not realize this was going to break drm-tip compilation.
> 
> Just reverting the offending commit on drm-misc-next and
> adding a fixed version to dinq will not worked because the patch
> depends on the new panel-orientation member of struct drm_display_info.
> 
> So there are 2 options AFAICT:
> 
> Option 1:
> -Merge drm-misc-next into dinq
> -Add a fixup commit to dinq on top
> 
> Option 2:
> -Revert the commit from drm-misc-next
> -Merge drm-misc-next into dinq
> -Add a fixed version of the commit into dinq

Actually, what was needed (a very badly documented, with obscure
automated fixup patch naming :P) Option 3:

- Add a fixup commit to drm-rerere, so that it gets applied when
merging drm-intel-next-queued to drm-tip.

So it's basically like amending a regular GIT merge with --amend, where
the fixup diff resides in drm-rerere as a .patch file.

It's fixed now.

Regards, Joonas

> 
> Regards,
> 
> Hans
> 
> 
> 
> > > > 
> > > > On this race the second patch got merged first so the first one
> > > > broke i915 compilation. Thanks to Michel this was found quickly.
> > > > 
> > > > Cc: Michel Thierry <michel.thierry@intel.com>
> > > > Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> > > > Cc: Hans de Goede <hdegoede@redhat.com>
> > > > Suggested-by: Michel Thierry <michel.thierry@intel.com>
> > > > Fixes: 82daca297506 ("drm/i915: Add "panel orientation" property to the panel connector, v6.")
> > > > Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> > > > ---
> > > >    drivers/gpu/drm/i915/intel_dsi.c | 2 +-
> > > >    1 file changed, 1 insertion(+), 1 deletion(-)
> > > > 
> > > > diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
> > > > index 1b60df3c14a0..f67d321376e4 100644
> > > > --- a/drivers/gpu/drm/i915/intel_dsi.c
> > > > +++ b/drivers/gpu/drm/i915/intel_dsi.c
> > > > @@ -1670,7 +1670,7 @@ static int intel_dsi_get_panel_orientation(struct intel_connector *connector)
> > > >    {
> > > >    	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
> > > >    	int orientation = DRM_MODE_PANEL_ORIENTATION_NORMAL;
> > > > -	enum plane plane;
> > > > +	enum i9xx_plane_id plane;
> > > >    	u32 val;
> > > >    	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
> > > > 
> > > 
> > > Reviewed-by: Michel Thierry <michel.thierry@intel.com>
> 
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-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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