[PATCH] drm/xe/uapi: Fix documentation indentation

[Rodrigo Vivi]

On Mon, Jan 20, 2025 at 03:28:07AM +0000, Upadhyay, Tejas wrote:
> 
> 
> > -----Original Message-----
> > From: Vivi, Rodrigo <rodrigo.vivi at intel.com>
> > Sent: Saturday, January 18, 2025 1:08 AM
> > To: intel-xe at lists.freedesktop.org
> > Cc: Vivi, Rodrigo <rodrigo.vivi at intel.com>; Stephen Rothwell
> > <sfr at canb.auug.org.au>; Upadhyay, Tejas <tejas.upadhyay at intel.com>
> > Subject: [PATCH] drm/xe/uapi: Fix documentation indentation
> > 
> > Fix these issues:
> > 
> > Documentation/gpu/driver-uapi:29: include/uapi/drm/xe_drm.h:817:
> > WARNING:
> > +Bullet list ends without a blank line; unexpected unindent.
> > Documentation/gpu/driver-uapi:29: include/uapi/drm/xe_drm.h:835:
> > WARNING:
> > +Definition list ends without a blank line; unexpected unindent.
> 
> Unfortunately none of these showed up in checkpatch or with strict option as well. Nevertheless 
> Change Looks fine to me,

Yeap, my emacs' magit automatically broke the fixes tag to respect the column
limits.
I was planning to fix that while pushing the patch, but b4 automagically fixed
that for me! o.O

> 
> Reviewed-by: Tejas Upadhyay <tejas.upadhyay at intel.com>

thanks, pushed to drm-xe-next...

> 
> Tejas
> > 
> > Fixes: 75d37750a753 ("drm/xe/mmap: Add mmap support for PCI memory
> > barrier")
> > Reported-by: Stephen Rothwell <sfr at canb.auug.org.au>
> > Closes: https://lore.kernel.org/intel-
> > xe/20250117164023.3fdc00b9 at canb.auug.org.au/
> > Cc: Tejas Upadhyay <tejas.upadhyay at intel.com>
> > Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> > ---
> >  include/uapi/drm/xe_drm.h | 36 ++++++++++++++++++------------------
> >  1 file changed, 18 insertions(+), 18 deletions(-)
> > 
> > diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index
> > cac607a30f6d..e2160330ad01 100644
> > --- a/include/uapi/drm/xe_drm.h
> > +++ b/include/uapi/drm/xe_drm.h
> > @@ -814,29 +814,29 @@ struct drm_xe_gem_create {
> >   *
> >   * The @flags can be:
> >   *  - %DRM_XE_MMAP_OFFSET_FLAG_PCI_BARRIER - For user to query
> > special offset
> > - *  for use in mmap ioctl. Writing to the returned mmap address will generate
> > a
> > - *  PCI memory barrier with low overhead (avoiding IOCTL call as well as
> > writing
> > - *  to VRAM which would also add overhead), acting like an MI_MEM_FENCE
> > - *  instruction.
> > + *    for use in mmap ioctl. Writing to the returned mmap address will
> > generate a
> > + *    PCI memory barrier with low overhead (avoiding IOCTL call as well as
> > writing
> > + *    to VRAM which would also add overhead), acting like an
> > MI_MEM_FENCE
> > + *    instruction.
> >   *
> > - *  Note: The mmap size can be at most 4K, due to HW limitations. As a result
> > - *  this interface is only supported on CPU architectures that support 4K page
> > - *  size. The mmap_offset ioctl will detect this and gracefully return an
> > - *  error, where userspace is expected to have a different fallback method for
> > - *  triggering a barrier.
> > + * Note: The mmap size can be at most 4K, due to HW limitations. As a
> > + result
> > + * this interface is only supported on CPU architectures that support
> > + 4K page
> > + * size. The mmap_offset ioctl will detect this and gracefully return
> > + an
> > + * error, where userspace is expected to have a different fallback
> > + method for
> > + * triggering a barrier.
> >   *
> > - *  Roughly the usage would be as follows:
> > + * Roughly the usage would be as follows:
> >   *
> > - *  .. code-block:: C
> > + * .. code-block:: C
> >   *
> > - *  struct drm_xe_gem_mmap_offset mmo = {
> > - *	.handle = 0, // must be set to 0
> > - *	.flags = DRM_XE_MMAP_OFFSET_FLAG_PCI_BARRIER,
> > - *  };
> > + *     struct drm_xe_gem_mmap_offset mmo = {
> > + *         .handle = 0, // must be set to 0
> > + *         .flags = DRM_XE_MMAP_OFFSET_FLAG_PCI_BARRIER,
> > + *     };
> >   *
> > - *  err = ioctl(fd, DRM_IOCTL_XE_GEM_MMAP_OFFSET, &mmo);
> > - *  map = mmap(NULL, size, PROT_WRITE, MAP_SHARED, fd, mmo.offset);
> > - *  map[i] = 0xdeadbeaf; // issue barrier
> > + *     err = ioctl(fd, DRM_IOCTL_XE_GEM_MMAP_OFFSET, &mmo);
> > + *     map = mmap(NULL, size, PROT_WRITE, MAP_SHARED, fd, mmo.offset);
> > + *     map[i] = 0xdeadbeaf; // issue barrier
> >   */
> >  struct drm_xe_gem_mmap_offset {
> >  	/** @extensions: Pointer to the first extension struct, if any */
> > --
> > 2.48.1
>