This is a note to let you know that I've just added the patch titled
drm/radeon: disable ss on DP for DCE3.x
to the 3.13-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-disable-ss-on-dp-for-dce3.x.patch
and it can be found in the queue-3.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d8e24525094200601236fa64a54cf73e3d682f2e Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Mon, 13 Jan 2014 16:47:05 -0500
Subject: drm/radeon: disable ss on DP for DCE3.x
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit d8e24525094200601236fa64a54cf73e3d682f2e upstream.
Seems to cause problems with certain DP monitors.
Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=40699
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -938,11 +938,14 @@ static bool atombios_crtc_prepare_pll(st
radeon_atombios_get_ppll_ss_info(rdev,
&radeon_crtc->ss,
ATOM_DP_SS_ID1);
- } else
+ } else {
radeon_crtc->ss_enabled =
radeon_atombios_get_ppll_ss_info(rdev,
&radeon_crtc->ss,
ATOM_DP_SS_ID1);
+ }
+ /* disable spread spectrum on DCE3 DP */
+ radeon_crtc->ss_enabled = false;
}
break;
case ATOM_ENCODER_MODE_LVDS:
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.13/drm-radeon-skip-colorbuffer-checking-if-color_info.format-is-set-to-invalid.patch
queue-3.13/drm-radeon-dce4-clear-bios-scratch-dpms-bit-v2.patch
queue-3.13/drm-radeon-warn-users-when-hw_i2c-is-enabled-v2.patch
queue-3.13/drm-radeon-add-uvd-support-for-oland.patch
queue-3.13/drm-radeon-dce8-workaround-for-atom-blankcrtc-table.patch
queue-3.13/radeon-pm-guard-access-to-rdev-pm.power_state-array.patch
queue-3.13/drm-radeon-disable-dpm-on-btc.patch
queue-3.13/drm-radeon-set-si_notify_smc_display_change-properly.patch
queue-3.13/drm-radeon-fix-surface-sync-in-fence-on-cayman-v2.patch
queue-3.13/drm-radeon-runpm-don-t-runtime-suspend-non-px-cards.patch
queue-3.13/drm-radeon-set-the-full-cache-bit-for-fences-on-r7xx.patch
queue-3.13/drm-radeon-fix-dac-interrupt-handling-on-dce5.patch
queue-3.13/drm-radeon-disable-ss-on-dp-for-dce3.x.patch
queue-3.13/drm-radeon-dpm-disable-mclk-switching-on-desktop-rv770.patch
queue-3.13/revert-drm-radeon-disable-cik-cp-semaphores-for-now.patch
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