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authorStefan Brüns <stefan.bruens@rwth-aachen.de>2014-11-30 19:57:42 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-12-01 17:19:35 +0100
commitda4c07b727dd00f28840c3ee26510ad58001a6b8 (patch)
tree852601f06bd1b9aae75b04bb89c6b2d2b12264db /drivers/gpu/drm/drm_edid.c
parentdrm/edid: move drm_edid_is_zero to top, make edid argument const (diff)
downloadlinux-da4c07b727dd00f28840c3ee26510ad58001a6b8.tar.xz
linux-da4c07b727dd00f28840c3ee26510ad58001a6b8.zip
drm/edid: shorten log output in case of all zeroes edid block
There is no need to dump the whole EDID block in case it contains no information. Just print a single line stating the block is empty instead of 8 lines containing only zeroes. Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-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)
bad:
if (print_bad_edid) {
- printk(KERN_ERR "Raw EDID:\n");
- print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
+ if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
+ printk(KERN_ERR "EDID block is all zeroes\n");
+ } else {
+ printk(KERN_ERR "Raw EDID:\n");
+ print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
raw_edid, EDID_LENGTH, false);
+ }
}
return false;
}