[Intel-gfx] [PATCH 6/7] drm/i915/bios: log about presence of DSI sequences we do not run

[Jani Nikula]

Leave behind some debugging clues in case some panels don't work
properly.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/intel_bios.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 8b68c4882fba..8cab24bb5c29 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -991,6 +991,10 @@ parse_mipi_sequence(struct drm_i915_private *dev_priv,
 			goto err;
 		}
 
+		/* Log about presence of sequences we won't run. */
+		if (seq_id == MIPI_SEQ_TEAR_ON || seq_id == MIPI_SEQ_TEAR_OFF)
+			DRM_DEBUG_KMS("Unsupported sequence %u\n", seq_id);
+
 		dev_priv->vbt.dsi.sequence[seq_id] = data + index;
 
 		if (sequence->version >= 3)
-- 
2.1.4