}
 }
 
-static void __printf(3, 4)
-pipe_config_mismatch(bool fastset, const char *name, const char *format, ...)
+static void __printf(4, 5)
+pipe_config_mismatch(bool fastset, const struct intel_crtc *crtc,
+                    const char *name, const char *format, ...)
 {
        struct va_format vaf;
        va_list args;
        vaf.va = &args;
 
        if (fastset)
-               DRM_DEBUG_KMS("fastset mismatch in %s %pV\n", name, &vaf);
+               DRM_DEBUG_KMS("[CRTC:%d:%s] fastset mismatch in %s %pV\n",
+                             crtc->base.base.id, crtc->base.name, name, &vaf);
        else
-               DRM_ERROR("mismatch in %s %pV\n", name, &vaf);
+               DRM_ERROR("[CRTC:%d:%s] mismatch in %s %pV\n",
+                         crtc->base.base.id, crtc->base.name, name, &vaf);
 
        va_end(args);
 }
                          bool fastset)
 {
        struct drm_i915_private *dev_priv = to_i915(current_config->base.crtc->dev);
+       struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc);
        bool ret = true;
        u32 bp_gamma = 0;
        bool fixup_inherited = fastset &&
 
 #define PIPE_CONF_CHECK_X(name) do { \
        if (current_config->name != pipe_config->name) { \
-               pipe_config_mismatch(fastset, __stringify(name), \
+               pipe_config_mismatch(fastset, crtc, __stringify(name), \
                                     "(expected 0x%08x, found 0x%08x)", \
                                     current_config->name, \
                                     pipe_config->name); \
 
 #define PIPE_CONF_CHECK_I(name) do { \
        if (current_config->name != pipe_config->name) { \
-               pipe_config_mismatch(fastset, __stringify(name), \
+               pipe_config_mismatch(fastset, crtc, __stringify(name), \
                                     "(expected %i, found %i)", \
                                     current_config->name, \
                                     pipe_config->name); \
 
 #define PIPE_CONF_CHECK_BOOL(name) do { \
        if (current_config->name != pipe_config->name) { \
-               pipe_config_mismatch(fastset, __stringify(name), \
+               pipe_config_mismatch(fastset, crtc,  __stringify(name), \
                                     "(expected %s, found %s)", \
                                     yesno(current_config->name), \
                                     yesno(pipe_config->name)); \
        if (!fixup_inherited || (!current_config->name && !pipe_config->name)) { \
                PIPE_CONF_CHECK_BOOL(name); \
        } else { \
-               pipe_config_mismatch(fastset, __stringify(name), \
+               pipe_config_mismatch(fastset, crtc, __stringify(name), \
                                     "unable to verify whether state matches exactly, forcing modeset (expected %s, found %s)", \
                                     yesno(current_config->name), \
                                     yesno(pipe_config->name)); \
 
 #define PIPE_CONF_CHECK_P(name) do { \
        if (current_config->name != pipe_config->name) { \
-               pipe_config_mismatch(fastset, __stringify(name), \
+               pipe_config_mismatch(fastset, crtc, __stringify(name), \
                                     "(expected %p, found %p)", \
                                     current_config->name, \
                                     pipe_config->name); \
        if (!intel_compare_link_m_n(¤t_config->name, \
                                    &pipe_config->name,\
                                    !fastset)) { \
-               pipe_config_mismatch(fastset, __stringify(name), \
+               pipe_config_mismatch(fastset, crtc, __stringify(name), \
                                     "(expected tu %i gmch %i/%i link %i/%i, " \
                                     "found tu %i, gmch %i/%i link %i/%i)", \
                                     current_config->name.tu, \
                                    &pipe_config->name, !fastset) && \
            !intel_compare_link_m_n(¤t_config->alt_name, \
                                    &pipe_config->name, !fastset)) { \
-               pipe_config_mismatch(fastset, __stringify(name), \
+               pipe_config_mismatch(fastset, crtc, __stringify(name), \
                                     "(expected tu %i gmch %i/%i link %i/%i, " \
                                     "or tu %i gmch %i/%i link %i/%i, " \
                                     "found tu %i, gmch %i/%i link %i/%i)", \
 
 #define PIPE_CONF_CHECK_FLAGS(name, mask) do { \
        if ((current_config->name ^ pipe_config->name) & (mask)) { \
-               pipe_config_mismatch(fastset, __stringify(name), \
+               pipe_config_mismatch(fastset, crtc, __stringify(name), \
                                     "(%x) (expected %i, found %i)", \
                                     (mask), \
                                     current_config->name & (mask), \
 
 #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) do { \
        if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \
-               pipe_config_mismatch(fastset, __stringify(name), \
+               pipe_config_mismatch(fastset, crtc, __stringify(name), \
                                     "(expected %i, found %i)", \
                                     current_config->name, \
                                     pipe_config->name); \
 
 #define PIPE_CONF_CHECK_COLOR_LUT(name1, name2, bit_precision) do { \
        if (current_config->name1 != pipe_config->name1) { \
-               pipe_config_mismatch(fastset, __stringify(name1), \
+               pipe_config_mismatch(fastset, crtc, __stringify(name1), \
                                "(expected %i, found %i, won't compare lut values)", \
                                current_config->name1, \
                                pipe_config->name1); \
                if (!intel_color_lut_equal(current_config->name2, \
                                        pipe_config->name2, pipe_config->name1, \
                                        bit_precision)) { \
-                       pipe_config_mismatch(fastset, __stringify(name2), \
+                       pipe_config_mismatch(fastset, crtc, __stringify(name2), \
                                        "hw_state doesn't match sw_state"); \
                        ret = false; \
                } \