Re: [PATCH v1] drm/shmobile: drop use of drmP.h

[Sam Ravnborg <sam@xxxxxxxxxxxx>]

Hi Laurent.

Thanks for the detailed feedback.

> > If patch is OK, please apply to your tree
> > as this driver is maintained outside drm-misc.
> > 
> > I am happy to rebase on another tree, just let me know.
> 
> The shmobile driver hasn't seen changes for a long time and I don't have
> patches queued in my tree for it. If you don't mind taking this patch
> through drm-misc with the rest of the drmP.h removal series it would be
> easier for me. Otherwise please let me know and I'll handle it.
No problem, I will add to drm-misc when ready.
The motivation was alone to avoid later merge conflicts - which in this
case is a non-issue.

> > diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.h b/drivers/gpu/drm/shmobile/shmob_drm_crtc.h
> > index 9ca6920641d8..bd35fe8f9028 100644
> > --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.h
> > +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.h
> > @@ -10,7 +10,6 @@
> >  #ifndef __SHMOB_DRM_CRTC_H__
> >  #define __SHMOB_DRM_CRTC_H__
> >  
> > -#include <drm/drmP.h>
> 
> I think you should include drm/drm_connector.h here. It gets pulled
> indirectly, but it's one of the top-level headers and I think it should
> be explicitly included to avoid future breakages.
> 
> While at it a forward declaration of struct drm_pending_vblank_event and
> struct shmob_drm_format_info could also be useful to make the header
> self-contained.
Good input.
I went through all shmobile header files - now gcc is happy with them all
when used individually (self-contained).

I will post a v2 a bit later today with the below fixup included.

	Sam

diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.h b/drivers/gpu/drm/shmobile/shmob_drm_crtc.h
index bd35fe8f9028..21718843f46d 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.h
+++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.h
@@ -11,10 +11,13 @@
 #define __SHMOB_DRM_CRTC_H__
 
 #include <drm/drm_crtc.h>
+#include <drm/drm_connector.h>
 #include <drm/drm_encoder.h>
 
 struct backlight_device;
+struct drm_pending_vblank_event;
 struct shmob_drm_device;
+struct shmob_drm_format_info;
 
 struct shmob_drm_crtc {
 	struct drm_crtc crtc;
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_plane.h b/drivers/gpu/drm/shmobile/shmob_drm_plane.h
index bae67cc8c628..e72b21a4288f 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_plane.h
+++ b/drivers/gpu/drm/shmobile/shmob_drm_plane.h
@@ -10,6 +10,7 @@
 #ifndef __SHMOB_DRM_PLANE_H__
 #define __SHMOB_DRM_PLANE_H__
 
+struct drm_plane;
 struct shmob_drm_device;
 
 int shmob_drm_plane_create(struct shmob_drm_device *sdev, unsigned int index);
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_regs.h b/drivers/gpu/drm/shmobile/shmob_drm_regs.h
index 9eb0b3d01df8..058533685c4c 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_regs.h
+++ b/drivers/gpu/drm/shmobile/shmob_drm_regs.h
@@ -11,6 +11,9 @@
 #define __SHMOB_DRM_REGS_H__
 
 #include <linux/io.h>
+#include <linux/jiffies.h>
+
+#include "shmob_drm_drv.h"
 
 /* Register definitions */
 #define LDDCKPAT1R		0x400