kernel/drm-edid-try-harder-to-fix-up-broken-headers.patch
2011-12-16 14:11:46 +10:00

48 lines
1.4 KiB
Diff

From 115cb7ab7d3b87fe43b1fe9b05ec894b1fcfb5cf Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Wed, 7 Dec 2011 18:26:23 -0500
Subject: [PATCH] drm/edid: Try harder to fix up broken headers
There's no reason to force the first byte to be correct if we're already
scoring how correct the header is.
See also: https://bugzilla.redhat.com/show_bug.cgi?id=722909
Signed-off-by: Adam Jackson <ajax@redhat.com>
---
drivers/gpu/drm/drm_edid.c | 18 ++++++++----------
1 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 7425e5c..8b16a49 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -154,16 +154,14 @@ drm_edid_block_valid(u8 *raw_edid)
int i;
u8 csum = 0;
struct edid *edid = (struct edid *)raw_edid;
-
- if (raw_edid[0] == 0x00) {
- int score = drm_edid_header_is_valid(raw_edid);
- if (score == 8) ;
- else if (score >= 6) {
- DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
- memcpy(raw_edid, edid_header, sizeof(edid_header));
- } else {
- goto bad;
- }
+ int score = drm_edid_header_is_valid(raw_edid);
+
+ if (score == 8) ;
+ else if (score >= 6) {
+ DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
+ memcpy(raw_edid, edid_header, sizeof(edid_header));
+ } else {
+ goto bad;
}
for (i = 0; i < EDID_LENGTH; i++)
--
1.7.7.3