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 3.14-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-3.14 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 @@ -1073,12 +1073,12 @@ 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-3.14/drm-radeon-fix-voltage-setup-on-hawaii.patch queue-3.14/drm-radeon-use-drm_mode_vrefresh-rather-than-mode-vrefresh.patch queue-3.14/drm-radeon-fix-1-rb-harvest-config-setup-for-tn-rl.patch queue-3.14/drm-radeon-only-enable-kv-kb-dpm-interrupts-once-v3.patch queue-3.14/drm-radeon-workaround-for-cp-hw-bug-on-cik.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html