@@ -563,15 +563,15 @@ static bool intel_fb_is_gen12_ccs_aux_plane(const struct drm_framebuffer *fb, in
* @fb: Framebuffer
*
* Returns:
- * Returns the index of the color clear plane for @fb, or -1 if @fb is not a
- * framebuffer using a render compression/color clear modifier.
+ * Returns the index of the color clear plane for @fb, or -EINVAL if @fb is not
+ * a framebuffer using a render compression/color clear modifier.
*/
int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb)
{
const struct intel_modifier_desc *md = lookup_modifier(fb->modifier);
if (!md->ccs.cc_planes)
- return -1;
+ return -EINVAL;
drm_WARN_ON_ONCE(fb->dev, hweight8(md->ccs.cc_planes) > 1);
Use proper negative error codes intead of magic -1. Don't set a bad example, as -1 is -EPERM. Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- drivers/gpu/drm/i915/display/intel_fb.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)