This code will get _really_ repetive, and we'll end up with tons more
of this kind. So extract the common patterns.

This should also help when we add a lazy pipe_config compare mode for
fastboot.

Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
 drivers/gpu/drm/i915/intel_display.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 27a9ef6..7216ba5 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7930,21 +7930,19 @@ static bool
 intel_pipe_config_compare(struct intel_crtc_config *current_config,
                          struct intel_crtc_config *pipe_config)
 {
-       if (current_config->has_pch_encoder != pipe_config->has_pch_encoder) {
-               DRM_ERROR("mismatch in has_pch_encoder "
-                         "(expected %i, found %i)\n",
-                         current_config->has_pch_encoder,
-                         pipe_config->has_pch_encoder);
-               return false;
+#define PIPE_CONF_CHECK_I(name)        \
+       if (current_config->name != pipe_config->name) { \
+               DRM_ERROR("mismatch in " #name " " \
+                         "(expected %i, found %i)\n", \
+                         current_config->name, \
+                         pipe_config->name); \
+               return false; \
        }
 
-       if (current_config->fdi_lanes != pipe_config->fdi_lanes) {
-               DRM_ERROR("mismatch in fdi_lanes "
-                         "(expected %i, found %i)\n",
-                         current_config->fdi_lanes,
-                         pipe_config->fdi_lanes);
-               return false;
-       }
+       PIPE_CONF_CHECK_I(has_pch_encoder);
+       PIPE_CONF_CHECK_I(fdi_lanes);
+
+#undef PIPE_CONF_CHECK_I
 
        return true;
 }
-- 
1.7.11.7

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