From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 212957] [radeon] kernel NULL pointer dereference during system boot
Date: Wed, 12 May 2021 00:50:41 +0000 [thread overview]
Message-ID: <bug-212957-2300-VZCtg2RazP@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-212957-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=212957
--- Comment #3 from Dennis Foster (mail@dennisfoster.us) ---
(In reply to Alex Deucher from comment #1)
> Can you bisect?
0575ff3d33cd62123991d2a5d0d8459d72592388 is the first bad commit
commit 0575ff3d33cd62123991d2a5d0d8459d72592388
Author: Christian König <christian.koenig@amd.com>
Date: Thu Oct 8 13:01:35 2020 +0200
drm/radeon: stop using pages with drm_prime_sg_to_page_addr_arrays v2
This is deprecated.
v2: also use ttm_sg_tt_init to avoid allocating the page array.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/403832/
drivers/gpu/drm/radeon/radeon_ttm.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
I wasn't able to revert this commit on v5.12, because there's another commit
c67e62790f5c156705fb162da840c6d89d0af6e0 where it seems like that file was
changed drastically, in particular drm_prime_sg_to_page_addr_arrays() was
replaced with drm_prime_sg_to_dma_addr_array().
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next prev parent reply other threads:[~2021-05-12 0:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-05 21:17 [Bug 212957] New: [radeon] kernel NULL pointer dereference during system boot bugzilla-daemon
2021-05-05 21:54 ` [Bug 212957] " bugzilla-daemon
2021-05-08 15:45 ` bugzilla-daemon
2021-05-12 0:50 ` bugzilla-daemon [this message]
2021-05-12 1:35 ` bugzilla-daemon
2021-05-27 17:19 ` bugzilla-daemon
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