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-rw-r--r--drivers/gpu/drm/drm_edid.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index f8fb327407cd..a71ed935f1c4 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1088,9 +1088,13 @@ bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid)
1088 1088
1089bad: 1089bad:
1090 if (print_bad_edid) { 1090 if (print_bad_edid) {
1091 printk(KERN_ERR "Raw EDID:\n"); 1091 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1092 print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1, 1092 printk(KERN_ERR "EDID block is all zeroes\n");
1093 } else {
1094 printk(KERN_ERR "Raw EDID:\n");
1095 print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
1093 raw_edid, EDID_LENGTH, false); 1096 raw_edid, EDID_LENGTH, false);
1097 }
1094 } 1098 }
1095 return false; 1099 return false;
1096} 1100}