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