On Mon, Feb 15, 2021 at 03:41:14PM +0200, Andy Shevchenko wrote:
...
> > diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > index ca41e8c00ad7..a5c9fe2e56b3 100644
> > --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> > @@ -771,21 +771,21 @@ static void intel_plane_uapi_info(struct seq_file *m,
> > struct intel_plane *plane)
> > const struct intel_plane_state *plane_state =
> > to_intel_plane_state(plane->base.state);
> > const struct drm_framebuffer *fb = plane_state->uapi.fb;
> > - struct drm_format_name_buf format_name;
> > struct drm_rect src, dst;
> > char rot_str[48];
> >
> > src = drm_plane_state_src(&plane_state->uapi);
> > dst = drm_plane_state_dest(&plane_state->uapi);
> >
> > - if (fb)
> > - drm_get_format_name(fb->format->format, &format_name);
> > -
> > plane_rotation(rot_str, sizeof(rot_str),
> > plane_state->uapi.rotation);
> >
> > - seq_printf(m, "\t\tuapi: [FB:%d] %s,0x%llx,%dx%d, visible=%s, src="
> > DRM_RECT_FP_FMT ", dst=" DRM_RECT_FMT ", rotation=%s\n",
> > - fb ? fb->base.id : 0, fb ? format_name.str : "n/a",
> > + seq_printf(m, "\t\tuapi: [FB:%d] ", fb ? fb->base.id : 0);
> > + if (fb)
> > + seq_printf(m, "%p4cc", &fb->format->format);
> > + else
> > + seq_puts(m, "n/a");
>
> > + seq_printf(m, ",0x%llx,%dx%d, visible=%s, src=" DRM_RECT_FP_FMT ",
> > dst=" DRM_RECT_FMT ", rotation=%s\n",
>
> Why not to keep two seq_printf() calls?
>
> if (fb) {
> seq_printf();
> } else {
> seq_printf();
> }
>
> ?
I could, but it'd repeat a lot of the same format string that is very
complicated right now. Therefore I thought it's better to split.
Or do you mean seq_printf() vs. seq_puts()? checkpatch.pl (rightly) warns
about it.
>
> > fb ? fb->modifier : 0,
> > fb ? fb->width : 0, fb ? fb->height : 0,
> > plane_visibility(plane_state),
--
Sakari Ailus
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