Re: [PATCH v3 08/12] drm: remove include of drmP.h from drm_modeset_helper.h

From: Daniel Vetter
Date: Fri Jan 11 2019 - 10:56:37 EST


On Wed, Jan 09, 2019 at 10:53:54PM +0100, Daniel Vetter wrote:
> On Tue, Jan 08, 2019 at 08:29:35PM +0100, Sam Ravnborg wrote:
> > drmP.h is an relic from the days when there was a single header file.
> > To enable the removal of drmP.h from all users drop include
> > of drmP.h from drm_modeset_helper.h.
> >
> > A few files relied on the file included in drmP.h - add explicit
> > include statements to these files.
> > Build tested with arm and x86.
> >
> > v2:
> > - Add forward declarations to drm_modeset_helper.h (Laurent Pinchart)
> >
> > Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> > Reviewed-by: Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>
> > Cc: Alexey Brodkin <abrodkin@xxxxxxxxxxxx>
> > Cc: David Airlie <airlied@xxxxxxxx>
> > Cc: Daniel Vetter <daniel@xxxxxxxx>
> > Cc: Archit Taneja <architt@xxxxxxxxxxxxxx>
> > Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> > Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> > Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
> > Cc: Sean Paul <sean@xxxxxxxxxx>
> > Cc: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
>
> This one here breaks tinydrm without the tinydrm patch first. I reorderd
> while applying. It also breaks kirin (and maybe more, I didn't check), so
> I've left this one out for now.

Note that I've just fixed up a large pile of these in i915 because I've
been rebasing a patch that removes lots of drm_modeset_helper.h includes.

Getting this all merged will be fun :-/
-Daniel

> -Daniel
>
> > ---
> > drivers/gpu/drm/arc/arcpgu_sim.c | 1 +
> > drivers/gpu/drm/bridge/cdns-dsi.c | 2 ++
> > drivers/gpu/drm/drm_modeset_helper.c | 2 ++
> > drivers/gpu/drm/rcar-du/rcar_lvds.c | 1 +
> > include/drm/drm_modeset_helper.h | 6 +++++-
> > 5 files changed, 11 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/arc/arcpgu_sim.c b/drivers/gpu/drm/arc/arcpgu_sim.c
> > index 68629e614990..3b7556f62230 100644
> > --- a/drivers/gpu/drm/arc/arcpgu_sim.c
> > +++ b/drivers/gpu/drm/arc/arcpgu_sim.c
> > @@ -14,6 +14,7 @@
> > *
> > */
> >
> > +#include <drm/drm_device.h>
> > #include <drm/drm_crtc_helper.h>
> > #include <drm/drm_atomic_helper.h>
> >
> > diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c b/drivers/gpu/drm/bridge/cdns-dsi.c
> > index ce9496d13986..4b73d0969468 100644
> > --- a/drivers/gpu/drm/bridge/cdns-dsi.c
> > +++ b/drivers/gpu/drm/bridge/cdns-dsi.c
> > @@ -8,11 +8,13 @@
> > #include <drm/drm_atomic_helper.h>
> > #include <drm/drm_bridge.h>
> > #include <drm/drm_crtc_helper.h>
> > +#include <drm/drm_drv.h>
> > #include <drm/drm_mipi_dsi.h>
> > #include <drm/drm_panel.h>
> > #include <video/mipi_display.h>
> >
> > #include <linux/clk.h>
> > +#include <linux/interrupt.h>
> > #include <linux/iopoll.h>
> > #include <linux/module.h>
> > #include <linux/of_address.h>
> > diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c
> > index 9150fa385bba..9bc1ef788c77 100644
> > --- a/drivers/gpu/drm/drm_modeset_helper.c
> > +++ b/drivers/gpu/drm/drm_modeset_helper.c
> > @@ -23,8 +23,10 @@
> > #include <drm/drm_atomic_helper.h>
> > #include <drm/drm_crtc_helper.h>
> > #include <drm/drm_fb_helper.h>
> > +#include <drm/drm_fourcc.h>
> > #include <drm/drm_modeset_helper.h>
> > #include <drm/drm_plane_helper.h>
> > +#include <drm/drm_print.h>
> >
> > /**
> > * DOC: aux kms helpers
> > diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> > index 534a128a869d..8010ed702509 100644
> > --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c
> > +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c
> > @@ -10,6 +10,7 @@
> > #include <linux/clk.h>
> > #include <linux/delay.h>
> > #include <linux/io.h>
> > +#include <linux/module.h>
> > #include <linux/of.h>
> > #include <linux/of_device.h>
> > #include <linux/of_graph.h>
> > diff --git a/include/drm/drm_modeset_helper.h b/include/drm/drm_modeset_helper.h
> > index efa337f03129..995fd981cab0 100644
> > --- a/include/drm/drm_modeset_helper.h
> > +++ b/include/drm/drm_modeset_helper.h
> > @@ -23,7 +23,11 @@
> > #ifndef __DRM_KMS_HELPER_H__
> > #define __DRM_KMS_HELPER_H__
> >
> > -#include <drm/drmP.h>
> > +struct drm_crtc;
> > +struct drm_crtc_funcs;
> > +struct drm_device;
> > +struct drm_framebuffer;
> > +struct drm_mode_fb_cmd2;
> >
> > void drm_helper_move_panel_connectors_to_head(struct drm_device *);
> >
> > --
> > 2.12.0
> >
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch