This is a note to let you know that I've just added the patch titled
drm/radeon: fix 1 RB harvest config setup for TN/RL
to the 3.19-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-1-rb-harvest-config-setup-for-tn-rl.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From dbfb00c3e7e18439f2ebf67fe99bf7a50b5bae1e Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Thu, 19 Feb 2015 16:02:15 -0500
Subject: drm/radeon: fix 1 RB harvest config setup for TN/RL
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit dbfb00c3e7e18439f2ebf67fe99bf7a50b5bae1e upstream.
The logic was reversed from what the hw actually exposed.
Fixes graphics corruption in certain harvest configurations.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/ni.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1085,12 +1085,12 @@ static void cayman_gpu_init(struct radeo
if ((rdev->config.cayman.max_backends_per_se == 1) &&
(rdev->flags & RADEON_IS_IGP)) {
- if ((disabled_rb_mask & 3) == 1) {
- /* RB0 disabled, RB1 enabled */
- tmp = 0x11111111;
- } else {
+ if ((disabled_rb_mask & 3) == 2) {
/* RB1 disabled, RB0 enabled */
tmp = 0x00000000;
+ } else {
+ /* RB0 disabled, RB1 enabled */
+ tmp = 0x11111111;
}
} else {
tmp = gb_addr_config & NUM_PIPES_MASK;
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.19/drm-radeon-don-t-try-to-enable-write-combining-without-pat.patch
queue-3.19/drm-radeon-dp-set-edp_configuration_set-for-bridge-chips-if-necessary.patch
queue-3.19/drm-radeon-fix-voltage-setup-on-hawaii.patch
queue-3.19/drm-radeon-use-drm_mode_vrefresh-rather-than-mode-vrefresh.patch
queue-3.19/drm-radeon-fix-1-rb-harvest-config-setup-for-tn-rl.patch
queue-3.19/drm-radeon-only-enable-kv-kb-dpm-interrupts-once-v3.patch
queue-3.19/drm-radeon-enable-native-backlight-control-on-old-macs.patch
queue-3.19/reservation-remove-shadowing-local-variable-ret.patch
queue-3.19/drm-radeon-workaround-for-cp-hw-bug-on-cik.patch
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