This is a note to let you know that I've just added the patch titled
drm/radeon: fix sad_count check for dce3
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-fix-sad_count-check-for-dce3.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5665c3ebe5ee8a2c516925461f7214ba59c2e6d7 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Tue, 9 Dec 2014 10:04:01 -0500
Subject: drm/radeon: fix sad_count check for dce3
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 5665c3ebe5ee8a2c516925461f7214ba59c2e6d7 upstream.
Make it consistent with the sad code for other asics to deal
with monitors that don't report sads.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=89461
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/dce3_1_afmt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/dce3_1_afmt.c
+++ b/drivers/gpu/drm/radeon/dce3_1_afmt.c
@@ -103,7 +103,7 @@ static void dce3_2_afmt_write_sad_regs(s
}
sad_count = drm_edid_to_sad(radeon_connector->edid, &sads);
- if (sad_count < 0) {
+ if (sad_count <= 0) {
DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
return;
}
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.18/drm-radeon-fix-typo-in-ci-dpm-disable.patch
queue-3.18/drm-radeon-check-the-right-ring-in-radeon_evict_flags.patch
queue-3.18/drm-dp-retry-aux-transactions-32-times-v1.1.patch
queue-3.18/drm-radeon-kv-has-three-pplls-v2.patch
queue-3.18/drm-radeon-adjust-default-bapm-settings-for-kv.patch
queue-3.18/drm-radeon-properly-filter-dp1.2-4k-modes-on-non-dp1.2-hw.patch
queue-3.18/drm-radeon-fix-sad_count-check-for-dce3.patch
queue-3.18/drm-radeon-work-around-a-hw-bug-in-mgcg-on-cik.patch
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