All of lore.kernel.org
 help / color / mirror / Atom feed
From: zaverel <zaverel@free.fr>
To: dri-devel@lists.freedesktop.org
Subject: [Bug 38364 ] - Ignoring invalid EDID block 1 do entire edid is invalid and not just block 1
Date: Tue, 28 Jun 2011 15:33:57 +0200	[thread overview]
Message-ID: <4E09D845.2060301@free.fr> (raw)

Hello

I just change from nvidia (nouveau) to ati (radeon)
for some reasons of noise .

And it's the same probleme with wrong edid block 1.

My tweak of drm_edid.c work again whatever it's nouveau or radeon
but again , i don't know if it's safe.

--- drm_edid.c    2011-06-10 22:37:36.605848000 +0200
+++ linux/drivers/gpu/drm/drm_edid.c    2011-06-13 13:04:43.136786102 +0200
@@ -292,7 +292,7 @@
                   block + (valid_extensions + 1) * EDID_LENGTH,
                   j, EDID_LENGTH))
                 goto out;
-            if (drm_edid_block_valid(block + (valid_extensions + 1) *
EDID_LENGTH)) {
+            if (drm_edid_block_valid(block + (valid_extensions + 0) *
EDID_LENGTH)) {
                 valid_extensions++;
                 break;
             }






log with my tweak (linux-gentoo-2.6.39-r2)


...
coretemp coretemp.2: TjMax is 97 C.
coretemp coretemp.3: TjMax is 97 C.
w83627ehf: Found W83667HG chip at 0x290
[drm:drm_edid_block_valid] *ERROR* Raw EDID:
<3>00 00 00 ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
<3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
<3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
<3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
<3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
<3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
<3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
<3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................

radeon 0000:02:00.0: VGA-1: EDID invalid.
[drm:drm_edid_block_valid] *ERROR* Raw EDID:
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 7f ff ff  ................
<3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
<3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................

radeon 0000:02:00.0: VGA-1: EDID invalid.
[drm] force priority to high
[drm] force priority to high
[drm] force priority to high
EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0
[drm:drm_edid_block_valid] *ERROR* Raw EDID:
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................

radeon 0000:02:00.0: VGA-1: EDID invalid.
[drm:drm_edid_block_valid] *ERROR* Raw EDID:
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
<3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................

radeon 0000:02:00.0: VGA-1: EDID invalid.

             reply	other threads:[~2011-06-28 13:35 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-28 13:33 zaverel [this message]
  -- strict thread matches above, loose matches on Subject: below --
2011-06-16 10:50 [Bug 38364 ] - Ignoring invalid EDID block 1 do entire edid is invalid and not just block 1 zaverel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4E09D845.2060301@free.fr \
    --to=zaverel@free.fr \
    --cc=dri-devel@lists.freedesktop.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.