drm/i915/guc: Print error name on CTB (de)registration failure

Instead of plain error value (%d) print more user friendly error
name (%pe).

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210926184545.1407-3-michal.wajdeczko@intel.com

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index c39abb0..b6c2f2a 100644 (file)
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -191,8 +191,8 @@ static int ct_register_buffer(struct intel_guc_ct *ct, u32 type,
        err = guc_action_register_ct_buffer(ct_to_guc(ct), type,
                                            desc_addr, buff_addr, size);
        if (unlikely(err))
-               CT_ERROR(ct, "Failed to register %s buffer (err=%d)\n",
-                        guc_ct_buffer_type_to_str(type), err);
+               CT_ERROR(ct, "Failed to register %s buffer (%pe)\n",
+                        guc_ct_buffer_type_to_str(type), ERR_PTR(err));
        return err;
 }
 
@@ -219,8 +219,8 @@ static int ct_deregister_buffer(struct intel_guc_ct *ct, u32 type)
        int err = guc_action_deregister_ct_buffer(ct_to_guc(ct), type);
 
        if (unlikely(err))
-               CT_ERROR(ct, "Failed to deregister %s buffer (err=%d)\n",
-                        guc_ct_buffer_type_to_str(type), err);
+               CT_ERROR(ct, "Failed to deregister %s buffer (%pe)\n",
+                        guc_ct_buffer_type_to_str(type), ERR_PTR(err));
        return err;
 }