[PATCH 5/5] hack: more debugs

Jani Nikula jani.nikula at intel.com
Fri Dec 15 09:11:19 UTC 2023


---
 drivers/gpu/drm/drm_edid.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index a2264aee692c..4b42786909b0 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2642,8 +2642,12 @@ static bool drm_probe_displayid(struct i2c_adapter *adapter)
 	int ret;
 
 	ret = ddc_read_block(&context, block, 0, sizeof(block));
-	if (ret)
+	if (ret) {
+		DRM_DEBUG_KMS("displayid: ddc_read_block() returned %d\n", ret);
 		return false;
+	}
+
+	DRM_ERROR("displayid: We have a displayid!\n");
 
 	print_hex_dump(KERN_INFO, "displayid: ", DUMP_PREFIX_OFFSET, 16, 1,
 		       block, sizeof(block), true);
-- 
2.39.2



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